Guillaume Costes
2 of 4 monuments. Still to go: Western States and Hardrock.
- Monuments
- 2/4
- Monument finishes
- 3
UTMB
760th
Best time 38:36:04
1 finish since 2026
Diagonale des Fous
574th
Best time 45:53:56
2 finishes since 2023
Western States
–
Hardrock
–
All results
| Year | Race | Overall | Men | Time | Vs. winner |
|---|---|---|---|---|---|
| 2023 | Diagonale des Fous | 1078 | 985 | 49:38:56 | ×2.13 |
| 2025 | Diagonale des Fous | 619 | 574 | 45:53:56 | ×1.95 |
| 2026 | UTMB | 891 | 760 | 38:36:04 | ×2.11 |
The last column compares with the winner’s time for that edition: ×1.50 means one and a half times as long.
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