About
Agnes Tachyon [Tach-nology] is a 1-star character card in Umamusume: Pretty Derby. It runs best on turf (A) over medium (A) distances as a pace chaser (A). It grows +20% Speed and +10% Guts, has the unique skill U=ma2 and comes with 3 innate skills and 2 event skills.
Support cards (3)
![[Experimental Studies on Subject A]](/api/v1/images/support-cards/20012/icon.png){kind=icon}
![[Tracen Academy]](/api/v1/images/support-cards/10036/icon.png){kind=icon}
![[Q≠0]](/api/v1/images/support-cards/30101/icon.png){kind=icon}
Character Info
“A mad scientist who fears no law. Weaknesses of the flesh can be overcome!”
Japanese name
アグネスタキオン
Birthday
Apr 13
Released (EN)
Jun 26, 2025
Height
159 cm
Weight
Refused measurement
Sex
Female
Class
Senior Division
Dorm
Ritto Dormitory
Shoe size
Left and right: 22.5cm
Voice
Sumire Uesaka
Profile
Self-introduction
I'm Agnes Tachyon. You wouldn't be interested in finding out just how fast an Umamusume can run, would you? I just so happen to be looking for a guinea pig...
Likes
Research, eating sweets with tea
Dislikes
Research interruptions, bitter things
Ears
Never, ever touch her ears or forehead
Tail
The hairs stand on end when she gets an idea
Family
The oddball of a famous racing family
Aptitudes
Track
Turf
Dirt
Distance
Sprint
Mile
Medium
Long
Style
Front
Pace
Late
End
Stat Bonuses
Speed+20%
Stamina-
Power-
Guts+10%
Wit-Career events
17 eventsEvent chain
1Expression of Conviction
+20
2Obtain Data!
+20
3Tachyon the Spoiled Child
+20
Career story
Report: Uncertain Promises
+5
Report: Will
+5
Report: Change of Course
+5
Report: Confession
+5
Report: The Final Factor
+5
Secret events
Report: A Clear Gaze
2+5
The Triple Crown Champion That Was
2
Random events
At Tachyon's Pace
+10
The Strongest Collaborator?!
+25
Boredom is Excruciating
The Pressure of Justice?
1
Rumored Microbes
3+25
Midnight Pool
3+25
Energetic Brain Cells
3+25
Innate Skills
Standard Distance ○
Preferred Position
Tether
Medium Straightaways ○
Dominator
Medium Corners ○
Race Planner
