25 Horses → Fastest 3

Interactive walkthrough of why only 7 races are needed, with no stopwatch and at most 5 horses per race.
Horses25
Per race5
GoalTop 3

A
🐎 A1
🐎 A2
🐎 A3
🐎 A4
🐎 A5
B
🐎 B1
🐎 B2
🐎 B3
🐎 B4
🐎 B5
C
🐎 C1
🐎 C2
🐎 C3
🐎 C4
🐎 C5
D
🐎 D1
🐎 D2
🐎 D3
🐎 D4
🐎 D5
E
🐎 E1
🐎 E2
🐎 E3
🐎 E4
🐎 E5