DOUBLES TEAM
Sierra Isaac & Si Zhou
🇺🇸 USA 1 race Best time 1:40:55
Finished top 90% of Pro Doubles at HYROX Washington DC 2026; 1 race, best 1:40:55.
Race insights
Sierra Isaac & Si Zhou's best finish relative to the field was 2026 Washington DC: 1:40:55, rank 444 of 497 in Pro Doubles (top 90%). The division median that day was 1:15:25.
Race history
| Event | Division | Finish | Time |
|---|---|---|---|
| 2026 Washington DC | Pro Doubles | #444 of 497(top 90%) | 1:40:55 |
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 Sierra Isaac & Si Zhou
At 2026 Washington DC, Pro Doubles:
- #439 Olivia Dupre & Ary Lougher — 1:39:35
- #440 Francesca Caramante & Danielle Delgado — 1:40:11
- #441 Daniel Chou & Li-Che Hsu — 1:40:31
- #442 Sydney Leppa & Alyssa Capper — 1:40:31
- #443 Shane Cothran & Dylan Cothran — 1:40:55
- #445 Xavier Velez-Rivera & Samuel Hayward — 1:40:57
- #446 Naomy Hilario & Vanessa Felice — 1:40:57
- #447 Akia Jones & Pearson Chambers — 1:41:20
- #448 Nadirah Abdus-Sabur & Cristela Garcia — 1:41:51
- #449 Paige Stewart & Julie Nichols — 1:41:52