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Careth Arnold is the 9th ranked woman for 2025. She became the first American to win TDS at UTMB, completing the challenging 95-mile course through the Italian and French Alps in just under 23 hours. Following her TDS victory, Arnold won the Hurricane 100k in West Virginia just 10 days later. Earlier in the summer, she placed second at the High Lonesome 100 in Colorado and also competed at the Canyons 100k, finishing fifth.
Arnold lives in Paonia, Colorado.
Photo: Altra
2025 Race Results
| Event | Result | GP | OP |
|---|---|---|---|
| The Canyons by UTMB | 10:05:08 | 5 | 22 |
| Twisted Fork | 6:37:19 | 1 | 10 |
| Dead Horse | 3:56:14 | 1 | 9 |
| Way Too Cool | 4:09:58 | 3 | 19 |
| High Lonesome | 23:16:33 | 2 | 7 |
| Hurricane | 9:35:34 | 1 | 6 |
| TDS (ITA) | 22:58:52 | 1 | 31 |
| HOKA Chiang Mai Thailand | 24:33:35 | 2 | 14 |