ATHLETE PROFILE
Masako Shirai
🇯🇵 JPN 1 race Best time 1:39:51
Finished top 60% of Pro Women at HYROX Chiba 2026; 1 race, best 1:39:51.
Race insights
Masako Shirai's best finish relative to the field was 2026 Chiba: 1:39:51, rank 56 of 94 in Pro Women (top 60%). The division median that day was 1:32:59.
Race history
| Event | Division | Finish | Time |
|---|---|---|---|
| 2026 Chiba | Pro Women | #56 of 94(top 60%) | 1:39:51 |
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 Masako Shirai
At 2026 Chiba, Pro Women:
- #51 Hyelan Wada — 1:35:50
- #52 Kazusa Manabe — 1:36:45
- #53 Megumi Marumoto — 1:37:16
- #54 川口 美与子 — 1:37:25
- #55 Kaya Santos — 1:38:37
- #57 Mayu Kusano — 1:40:01
- #58 Amu Yanagisawa — 1:40:27
- #59 井上 遥風 — 1:41:46
- #60 Tomoko Shakuno — 1:41:54
- #61 Tomoko Shindo — 1:41:57