ATHLETE PROFILE
Sean O'Brien
🇺🇸 USA 4 races Best time 1:21:54
Finished top 28% of Open Men at HYROX Ottawa 2026; 4 races, best 1:21:54.
Race insights
Sean O'Brien's best finish relative to the field was 2026 Ottawa: 1:21:54, rank 420 of 1,503 in Open Men (top 28%). The division median that day was 1:32:13.
At 2024 Dublin, running made up 53% of Sean O'Brien's 1:28:45 (division median 50%): run time was 5 min 39 sec slower than the median run time, while the workout stations were 1 min 52 sec slower than the median workout time (Open Men).
From 2024 Dublin (1:28:45) to 2026 Ottawa (1:21:54), Sean O'Brien got faster by 6 min 51 sec in Open.
Race history
| Event | Division | Finish | Time | Run | Workout |
|---|---|---|---|---|---|
| 2026 Ottawa | Open Men | #420 of 1,503(top 28%) | 1:21:54 | — | — |
| 2026 Hong Kong | Pro Men | #207 of 301(top 69%) | 1:37:57 | — | — |
| 2025 Anaheim | Open Men | #529 of 688(top 77%) | 1:45:09 | 55:24 | 40:06 |
| 2024 Dublin | Open Men | #687 of 994(top 70%) | 1:28:45 | 46:49 | 37:19 |
Times come from official HYROX results. Finish shows the rank within the division at that event, with the top percentage of the field in brackets.
Finished alongside Sean O'Brien
At 2026 Ottawa, Open Men:
- #415 Marc-Olivier Hardy — 1:21:45
- #416 Ryan Smith — 1:21:47
- #417 Blake Barnard — 1:21:49
- #418 Dan Pham — 1:21:51
- #419 Boyd Liski — 1:21:53
- #421 Daniel Chung — 1:21:55
- #422 Regan Huang — 1:21:55
- #423 Luis Cabrera — 1:21:56
- #424 Ryan Favretto — 1:21:56
- #425 Nicolas Fonti — 1:22:03