Ironman
70.3 (1.9 / 90 / 21.1 km) · N. America
Official website: ironman.com/races/im703-world-championship
Ironman 70.3 World Championship is a 70.3 (half-distance) triathlon in United States, part of the Ironman calendar. The next edition is on 28 August 2027. The course is 1.9 km of swimming, 90 km on the bike and 21.098 km of running.
The 2025 championship results cover 5479 finishers across 24 age groups, men and women. As a world championship it awards no qualifying slots, so the table below shows fastest and median times only.
Open the Race Lab to simulate this course with your own swim, bike and run paces. Registration and official details are on the organiser's website.
| Age group | Finishers | Fastest | Median |
|---|---|---|---|
| M18-24 | 178 | 4:06:14 | 4:59:54 |
| M25-29 | 379 | 4:11:55 | 4:56:47 |
| M30-34 | 431 | 4:08:18 | 4:57:08 |
| M35-39 | 493 | 4:17:40 | 5:02:28 |
| M40-44 | 492 | 4:15:56 | 5:07:33 |
| M45-49 | 402 | 4:18:57 | 5:21:16 |
| M50-54 | 342 | 4:33:05 | 5:26:24 |
| M55-59 | 244 | 4:41:41 | 5:41:59 |
| M60-64 | 157 | 4:51:59 | 5:55:29 |
| M65-69 | 89 | 5:09:20 | 6:17:48 |
| M70-74 | 55 | 5:48:23 | 6:59:04 |
| M75-79 | 7 | 6:34:43 | 7:29:33 |
| M80-84 | 1 | 7:33:08 | 7:33:08 |
| F18-24 | 161 | 4:55:22 | 5:58:05 |
| F25-29 | 282 | 4:54:15 | 5:52:48 |
| F30-34 | 354 | 4:58:13 | 5:53:54 |
| F35-39 | 282 | 4:59:30 | 6:02:53 |
| F40-44 | 300 | 4:59:30 | 6:12:51 |
| F45-49 | 292 | 4:52:35 | 6:22:33 |
| F50-54 | 218 | 5:20:34 | 6:30:56 |
| F55-59 | 166 | 5:25:36 | 6:49:03 |
| F60-64 | 104 | 5:55:12 | 7:06:34 |
| F65-69 | 43 | 6:11:37 | 7:33:06 |
| F70-74 | 7 | 7:17:28 | 7:54:06 |
Also in United States
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