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This is a build guide for【pf. Winning Equation...】 Biwa Hayahide in Umamusume: Pretty Derby. Find out how to build Biwa Hayahide, her preferred tracks, distances, and style, as well as her basic character information, here!
| Biwa Hayahide Related Guides | |
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List of Contents
| Biwa Hayahide (pf. Winning Equation...) | |||||||||||||||||||
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| Overall | Ease | T.Trials | CM8 | ||||||||||||||||
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| Track Aptitude | |||||||||||||||||||
| Turf: A | Dirt: F | ||||||||||||||||||
| Distance Aptitude | |||||||||||||||||||
| Sprint: F | Mile: C | Med: A | Long: A | ||||||||||||||||
| Pace Aptitude | |||||||||||||||||||
| Front: E | Pace: A | Late: B | End: E | ||||||||||||||||
| Stat Growth | |||||||||||||||||||
| SPD: 0% | STA: 0% | POW: 0% | GUT: 10% | WIT: 20% | |||||||||||||||
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Increase velocity by deriving the winning equation when passing another runner toward the front on the final corner or later. |
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During the balance adjustments last November 2025, numerous changes were added to the game, including to Biwa Hayahide's unique skill.
This skill gives a boost in velocity after Biwa Hayahide overtakes another runner on the final corner or beyond, and is positioned 4th place or better in the race.
| All Innate Skills |
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| Skill Per Potential Level |
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| Potential 2: Potential 3: Potential 4: Potential 5: |
| All Career Event Skills |
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Biwa Hayahide is a Medium and Long, and is designed with multiple Skill activations in mind thanks to her increased Wit stat growth. Not only that, but her Unique Skill helps her quickly catch up to the front, which works well with her Pace Chaser style.
Although she is a strong Trainee, players already have easy access to other Long and Medium runners such as Gold Ship and Nice Nature.
As such, only pull for Biwa Hayahide if you desperately need another Medium or Long racer, or if you like her character.
| Training Tips |
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When training Biwa Hayahide, use the brand new Unity Cup scenario to take advantage of the new Spirit Burst mechanic. This not only lets you gain more stats than normal, but can also provide useful Skill Hints.
Biwa Hayahide is an Umamusume who has an A aptitude on the Pace Chaser running style which means this is the easiest running style to run for her. It is best to use this running style when on races as this is her best style.
Reach Potenial Level 5 with Biwa Hayahide to unlock the skill Cooldown, which will be a useful recovery skill when you run the Long races in her career. Alternatively, you can also get Calm and Collected as a stamina skill. However, if you don't have enough Monies or materials to upgrade, you can take Deep Breaths instead.
We highly recommend upgrading Biwa Hayahide's Long aptitude from A to S especially if you want to use her for Team Trials. She also has a few Medium races in her career but it is not required to increase her aptitude as she already has an A rank in Medium.
Legacy and Sparks Guide: Inheritance Explained
| 1200 | 900 | 800 | 400 | 400 |
As Biwa Hayahide will be in your Long team in Team Trials, she will need as much Speed and Stamina as possible. Throw in some Power afterwards, as she will need it to overtake those in front of her.
If you are only planning to clear a career run with Biwa Hayahide, then you can aim for lower stat numbers, as the stats above are for Team Trials. However, Biwa Hayahide has three Long races in her career, so reaching a baseline Stamina is still important to clear these races:
For Support cards, we recommend a 3 Speed, 2 Stamina, 1 Pal deck, since she has both Medium and Long races in her career, she will need a good amount of Stamina. If she is having a hard time breaking out of the pack during the race, you can try a 3 Speed, 2 Power, 1 Pal setup. The preferred Pal card for this build is Riko Kashimoto.
This deck is for players who are starting out and are still trying to get a feel of the game's mechanics and intricacies. This deck can help you get the needed stats to clear the career, while also providing important skills.
Take advantage of the game's borrowing feature to borrow a powerful MLB SSR, like Kitasan Black. Additionally, if you do not have an MLB copy of Riko Kashimoto (Tracen Academy), it would be better to use another SR Stamina card instead.
| Recommended Alternative Support Cards | |
|---|---|
| Speed | |
| Stamina | |
| Power |
These cards will help Biwa Hayahide level her needed Stats (especially with Rainbow/Friendship Training), as well as provide some needed skills.
These stats are enough to clear the URA Finale easily, as they provide enough Speed, Stamina, and Power for all of Biwa Hayahide's career races, especially when partnered with the correct skills.
As for the deck, you can run a 3 Speed, 2 Stamina, 1 Power setup to account for the Long and Medium races in her career.
| Recommended | |
|---|---|
| 9★ Stamina 9★ Power |
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| 3★ Pace Chaser 3★ Long |
Stamina and Power sparks are great for Biwa Hayahide as she will be running both Medium and Long races. Obtain Pace Chaser and Long sparks as well to improve her aptitude with them and get bonus stats.
You can use either your own Veterans, or borrow the ones from your friends. If you do not have Veterans with full sparks, you can go with whatever you have access to.
Stamina skills are important for Biwa Hayahide. As such try to get Swinging Maestro and Cooldown to maintain her Stamina, especially during Long races. Another option for a recovery skill is Calm and Collected, which you can obtain immediately from Biwa Hayahide's unlocked skills.
For Speed skills, getting Uma Stan and Professor Curvature are good for helping her pick up speed.
Prepared to Pass is a decent skill that allows her to break out of packs easier on the final corner. Skill hints for this can be obtained as a random reward from Biwa Hayahide's hidden event if she wins Takarazuka Kinen during her Senior Year.
For unique skills to inherit, Triumphant Pulse is always reliable to have and helps in putting a gap between you and the pack during the last 200m of the race.
If you cannot get the recommended skills, you can replace them with similar skills that you have access to. You will just need to make sure that Biwa Hayahide can activate said skills in a race.
| Choice | Outcome |
|---|---|
|
Choice 1
(Why don't you put your own twist on things?) |
・ 20 Power |
|
Choice 2
(Why don't you make it a study group activity?) |
・ 20 Guts |
| Choice | Outcome |
|---|---|
| Choice 1 (Random 1) |
・ 20 Wit ・ Hot Topic (Random) |
| Choice 1 (Random 2) |
・ 20 Stamina ・ Hot Topic (Random) |
| Choice 2 |
・ 20 Wit ・ Practice Perfect ◯ (Random) and/or Hot Topic (Random) |
| Choice | Outcome |
|---|---|
|
Choice 1
(That's your secret weapon!) |
・ 20 Wit |
|
Choice 2
(Why don't you try stopping your note-taking for a while?) |
・ 10 Stamina ・ 10 Power |
| Choice | Outcome |
|---|---|
| Choice 1 | ・ 10 Wit |
| Choice 2 | ・ 10 Power |
| Choice 3 | ・ 10 Stamina |
| Choice | Outcome |
|---|---|
|
Choice 1
(How about a famous puzzle game?) |
・ 10 Wit |
|
Choice 2
(How about a hardcore racing game?) |
・ 10 Power |
| Choice | Outcome |
|---|---|
| Choice 1 | ・ 10 Guts |
| Choice 2 | ・ 10 Speed |
| Choice | Outcome |
|---|---|
|
Choice 1
(That does sound nice.) |
・ 10 Stamina |
|
Choice 2
(Can you recommend any other places?) |
・ 10 Speed |
| Choice | Outcome |
|---|---|
| Choice 1 | ・ 10 Wit |
| Choice 2 | ・ 10 Guts |
| Choice | Outcome |
|---|---|
|
Choice 1
(Sweep sounds easier to pin down.) |
・ 10 Speed |
|
Choice 2
(Marvelous could be anywhere, so let's try to find her.) |
・ 10 Stamina |
| Choice | Outcome |
|---|---|
|
Choice 1
(C'mon, snap out of it, Banana Fiend.) |
・ 10 Energy ・ 5 Skill Pts |
|
Choice 2
(Success)
(Your brain must need bananas!) |
・ 30 Energy ・ 10 Skill Pts |
|
Choice 2
(Fail)
(Your brain must need bananas!) |
・ 30 Energy ・ -5 Speed ・ 5 Power ・ 10 Skill Pts ・ Slow Metabolism |
| Choice | Outcome |
|---|---|
|
Choice 1
(I think a place nearby would suffice.) |
・ 5 Power ・ 10 Guts |
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Choice 2
(Well, maybe we can just go next time we're in Kansai?) |
・ Hanshin Racecourse ◯ Skill Hint |
| Choice | Outcome |
|---|---|
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Choice 1
(Why don't you ask her?) |
・ 10 Speed |
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Choice 2
(Why don't you try dancing with her?) |
・ 10 Guts |
| Choice | Outcome |
|---|---|
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Choice 1
(A nutritious curry to give her strength.) |
・ 10 Power |
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Choice 2
(A thick hamburger steak to boost her stamina.) |
・ 5 Stamina ・ 5 Wit |
| Choice | Outcome |
|---|---|
|
Choice 1
(All right, time to enter aerobic hell!) |
・ 10 Power |
|
Choice 2
(Let's add a forty-kilometer marathon to your plate.) |
・ 10 Guts |
| Choice | Outcome |
|---|---|
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Choice 1
(Theory.) |
・ 10 Wit |
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Choice 2
(Nutrition.) |
・ 20 Energy |
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Choice 3
(Technique) |
・ 20 Skill Pts |
| Choice | Outcome |
|---|---|
|
Choice 1
(For you to be healthy.) |
・ 30 Energy |
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Choice 2
(For us to improve your abilities so you can win.) |
・ 5 All Stats |
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Choice 3
(For us to polish up your technique.) |
・ 30 Skill Pts |
| Choice | Outcome |
|---|---|
| Choice 1 |
・ 10 Energy ・ -2 Mood ・ Last trained stat and two other random stat -10 ・ Practice Poor (random) |
| Choice 2 (Success) | ・ Practice Perfect ◯ |
| Choice 2 (Fail) |
・ -3 Mood ・ 3 Random stat -10 ・ Practice Poor |
| Choice | Outcome |
|---|---|
|
Choice 1
(Sure. I'll help.) |
・ -5 Energy ・ Last trained stat +5 ・ 5 Friendship with Director |
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Choice 2
(You should have more faith in your rival.) |
・ 5 Energy |
| Choice | Outcome |
|---|---|
| Choice 1 |
・ -1 Mood ・ Last trained stat -5 ・ Practice Poor (random) |
| Choice 2 (Success) | ・ Practice Perfect ◯ |
| Choice 2 (Fail) |
・ -1 Mood ・ Last trained stat -10 ・ Practice Poor (random) |
| Choice | Outcome |
|---|---|
|
Choice 1
(You can figure this out. I'm sure of it.) |
・ -25 Energy ・ 25 Skill Pts ・ Random Stat +4 |
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Choice 2
(Success)
(Your head's going to burst from overthinking!) |
・ -15 Energy ・ 25 Skill Pts ・ Random Stat +4 |
|
Choice 2
(Fail)
(Your head's going to burst from overthinking!) |
・ -35 Energy ・ 25 Skill Pts ・ Random Stat +4 |
| Choice | Outcome |
|---|---|
|
Choice 1
(You can figure this out. I'm sure of it.) |
・ -25 Energy ・ 20 Skill Pts ・ Random Stat +3 |
|
Choice 2
(Success)
(Your head's going to burst from overthinking!) |
・ -15 Energy ・ 20 Skill Pts ・ Random Stat +3 |
|
Choice 2
(Fail)
(Your head's going to burst from overthinking!) |
・ -35 Energy ・ 20 Skill Pts ・ Random Stat +3 |
| Choice | Outcome |
|---|---|
|
Choice 1
(You can figure this out. I'm sure of it.) |
・ -25 Energy ・ 20 Skill Pts ・ Random Stat +3 |
|
Choice 2
(Success)
(Your head's going to burst from overthinking!) |
・ -15 Energy ・ 20 Skill Pts ・ Random Stat +3 |
|
Choice 2
(Fail)
(Your head's going to burst from overthinking!) |
・ -35 Energy ・ 20 Skill Pts ・ Random Stat +3 |
| Choice | Outcome |
|---|---|
|
Choice 1
(You can figure this out. I'm sure of it.) |
・ -25 Energy ・ 10 Skill Pts |
|
Choice 2
(Success)
(Your head's going to burst from overthinking!) |
・ -15 Energy ・ 10 Skill Pts |
|
Choice 2
(Fail)
(Your head's going to burst from overthinking!) |
・ -35 Energy ・ 10 Skill Pts |
| Choice | Outcome |
|---|---|
|
Choice 1
(Some of it is good!) |
・ -20 Energy ・ 45 Skill Pts ・ Random Stat +8 |
|
Choice 2
(Success)
(I think you're right.) |
・ -10 Energy ・ 45 Skill Pts ・ Random Stat +8 |
|
Choice 2
(Fail)
(I think you're right.) |
・ -30 Energy ・ 45 Skill Pts ・ Random Stat +8 |
| Choice | Outcome |
|---|---|
|
Choice 1
(Some of it is good!) |
・ -20 Energy ・ 35 Skill Pts ・ Random Stat +5 |
|
Choice 2
(Success)
(I think you're right.) |
・ -10 Energy ・ 35 Skill Pts ・ Random Stat +5 |
|
Choice 2
(Fail)
(I think you're right.) |
・ -30 Energy ・ 35 Skill Pts ・ Random Stat +5 |
| Choice | Outcome |
|---|---|
|
Choice 1
(Some of it is good!) |
・ -20 Energy ・ 35 Skill Pts ・ Random Stat +5 |
|
Choice 2
(Success)
(I think you're right.) |
・ -10 Energy ・ 35 Skill Pts ・ Random Stat +5 |
|
Choice 2
(Fail)
(I think you're right.) |
・ -30 Energy ・ 35 Skill Pts ・ Random Stat +5 |
| Choice | Outcome |
|---|---|
|
Choice 1
(Some of it is good!) |
・ -20 Energy ・ 30 Skill Pts ・ Random Stat +3 |
|
Choice 2
(Success)
(I think you're right.) |
・ -10 Energy ・ 30 Skill Pts ・ Random Stat +3 |
|
Choice 2
(Fail)
(I think you're right.) |
・ -30 Energy ・ 30 Skill Pts ・ Random Stat +3 |
| Choice | Outcome |
|---|---|
|
Choice 1
(Congratulations!) |
・ -15 Energy ・ 45 Skill Pts ・ Random Stat +10 |
|
Choice 2
(Success)
(Gotta keep your eye on the prize, though.) |
・ -5 Energy ・ 45 Skill Pts ・ Random Stat +10 |
|
Choice 2
(Fail)
(Gotta keep your eye on the prize, though.) |
・ -20 Energy ・ 45 Skill Pts ・ Random Stat +10 |
| Choice | Outcome |
|---|---|
|
Choice 1
(Congratulations!) |
・ -15 Energy ・ 35 Skill Pts ・ Random Stat +8 |
|
Choice 2
(Success)
(Gotta keep your eye on the prize, though.) |
・ -5 Energy ・ 35 Skill Pts ・ Random Stat +8 |
|
Choice 2
(Fail)
(Gotta keep your eye on the prize, though.) |
・ -20 Energy ・ 35 Skill Pts ・ Random Stat +8 |
| Choice | Outcome |
|---|---|
|
Choice 1
(Congratulations!) |
・ -15 Energy ・ 35 Skill Pts ・ Random Stat +8 |
|
Choice 2
(Success)
(Gotta keep your eye on the prize, though.) |
・ -5 Energy ・ 35 Skill Pts ・ Random Stat +8 |
|
Choice 2
(Fail)
(Gotta keep your eye on the prize, though.) |
・ -20 Energy ・ 35 Skill Pts ・ Random Stat +8 |
| Choice | Outcome |
|---|---|
|
Choice 1
(Congratulations!) |
・ -15 Energy ・ 30 Skill Pts ・ Random Stat +5 |
|
Choice 2
(Success)
(Gotta keep your eye on the prize, though.) |
・ -5 Energy ・ 30 Skill Pts ・ Random Stat +5 |
|
Choice 2
(Fail)
(Gotta keep your eye on the prize, though.) |
・ -20 Energy ・ 30 Skill Pts ・ Random Stat +5 |
| Condition | Win the Satsuki Sho, Japanese Derby, and Kikuka Sho. |
|---|---|
| Event Time | Early December, Senior Year |
| Event Rewards | If successful: ・
・
・ Skill points +10・ Straightaway Acceleration +1 If failed: ・
・ |
| Race(s) to Win | |
| Satsuki Sho (Classic Year) | 2000m (Medium)
Early April, Classic Year Japanese Derby (Classic Year) | 2400m (Medium) Late May, Classic Year Kikuka Sho (Classic Year) | 3000m (Long) Late Oct, Classic Year |
|
Biwa Hayahide's secret event, Our Method, requires her to win the Triple Crown during her career. To do so, she must win the Satsuki Sho, Japanese Derby, and Kikuka Sho. Once she has achieved the Triple Crown, she will encounter this secret event during Senior Year, Early December.
Take note that winning the Triple Crown may be difficult, as you will encounter Winning Ticket and Narita Taishin during the Triple Crown races, both of which have higher stats than normal. Because of this, make sure to prepare well for the Triple Crown Races. In particular, make sure to have around 400 Stamina before the Kikuka Sho to help you survive the race.
| Condition | Win the Takarazuka Kinen |
|---|---|
| Event Time | Senior Year Late Jun |
| Event Rewards |
・ All stats +3 ・ Skill points +45 ・ Yayoi Akikawa +4 ・ Prepared to Pass +1 (random) |
| Race(s) to Win | |
|
Takarazuka Kinen (Senior Year)
| 2200m (Medium)
Late June, Classic/Senior Year |
|
For this event, the skill hints for Prepared to Pass is a random reward and will not always appear, even if you won the required race.
| Condition | Trigger the Battle With a Raging Dragon training event, then win any race on the Hanshin racetrack. |
|---|---|
| Event Time | Random |
| Event Rewards |
・ Energy +20 ・ Hanshin Racecourse +2 |
The Battle With a Raging Dragon is a random event you can encounter during Biwa Hayahide's career. Once you encounter it, enter and win any race held in the Hanshin racetrack to experience the Unruly Equation hidden event.
| Goal | Race/Goal |
|---|---|
| Run in Junior Make Debut | Junior Make Debut |
| Place top 5 in Asahi Hai F.S, |
Asahi Hai Futurity Stakes
(Mile - 1600m) Junior Year Early Dec |
| Place top 5 in Satsuki Sho |
Satsuki Sho
(Medium - 2000m) Classic Year Early Apr |
| Place top 5 in Japenese Derby |
Japanese Derby (Tokyo Yushun)
(Medium - 2400m) Classic Year Late May |
| Place top 3 in Kikuka Sho |
Kikuka Sho
(Long - 3000m) Classic Year Late Oct |
| Place top 3 in Tenno Sho (Spring) |
Tenno Sho (Spring)
(Long - 3200m) Senior Year Late Apr |
| Place 1st in Takarazuka Kinen |
Takarazuka Kinen
(Medium - 2200m) Senior Year Late Jun |
| Place top 3 in Tenno Sho (Autumm) |
Tenno Sho (Autumn)
(Medium - 2000m) Senior Year Late Oct |
| Place 1st in Arima Kinen |
Arima Kinen
(Long - 2500m) Senior Year Late Dec |
Biwa Hayahide"This... is how you derive victory!" | Voice Actress | Yui Kondo |
|---|---|---|
| Height | 171cm / 5'7" | |
| Weight | No change | |
| Birthday | Mar 10 | |
| Three Sizes | B 93 | W 61 | H 88 | |
| A theorist through and through, she breaks down any problem systematically. Theory-driven as she is, she values practical application, so her methods never end up as just talk. She has honed her ability to compete with the overwhelming talent of her sister, Narita Brian. She is good friends with schoolmates Narita Taishin and Winning Ticket. | ||
| Uniform | Racewear | Alternate 1 |
|---|---|---|
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pf. Winning Equation... |
Rouge Caroler |

| Height and Weight | Voice Actors | Three Sizes | List of Birthdays |
| 3-Star Characters | 2-Star Characters | 1-Star Characters |
Biwa Hayahide (pf. Winning Equation...) Build Guide and Character Info

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Can RIce Shower SSR Power card work with her? I think the power boost and swinging maestro will be good for her