How to read it: in each row, the time under "Top 10%" is the time of the slowest athlete who still made the fastest 10% of the age group. Beat that time and you are in. Age groups with fewer than 5 finishers are omitted. Finishers only.
Men
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 1,001 | 4:01:26 | 4:20:16 | 4:32:47 | 4:50:13 | 5:26:39 | 3:51:19 |
| M18-24 | 12 | 4:00:07 | 4:00:07 | 4:22:54 | 4:49:50 | 5:24:54 | 4:00:07 |
| M25-29 | 60 | 3:51:19 | 3:57:56 | 4:12:54 | 4:23:24 | 5:01:01 | 3:51:19 |
| M30-34 | 129 | 4:01:26 | 4:12:08 | 4:26:23 | 4:44:50 | 5:20:24 | 3:55:34 |
| M35-39 | 244 | 4:02:16 | 4:14:11 | 4:28:13 | 4:46:02 | 5:21:43 | 3:59:45 |
| M40-44 | 251 | 4:06:06 | 4:26:10 | 4:35:45 | 4:50:40 | 5:28:47 | 3:53:29 |
| M45-49 | 142 | 4:07:51 | 4:23:46 | 4:37:19 | 4:52:19 | 5:24:57 | 4:03:49 |
| M50-54 | 85 | 4:13:45 | 4:39:16 | 4:46:30 | 4:57:42 | 5:34:18 | 4:13:45 |
| M55-59 | 29 | 4:25:01 | 4:33:58 | 4:38:34 | 4:49:10 | 5:44:53 | 4:25:01 |
| M60-64 | 29 | 4:44:30 | 4:54:39 | 4:56:22 | 5:14:10 | 5:31:10 | 4:44:30 |
| M65-69 | 12 | 5:08:34 | 5:08:34 | 5:12:33 | 5:18:17 | 5:33:46 | 5:08:34 |
| M70-74 | 5 | 5:43:54 | 5:43:54 | 5:43:54 | 5:43:54 | 6:15:41 | 5:43:54 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 210 | 4:39:38 | 4:47:53 | 5:02:13 | 5:20:04 | 5:57:45 | 4:33:28 |
| F25-29 | 19 | 4:46:44 | 4:46:44 | 4:48:02 | 5:18:01 | 5:39:40 | 4:46:44 |
| F30-34 | 38 | 4:39:38 | 4:40:09 | 4:55:07 | 5:07:22 | 5:54:47 | 4:39:38 |
| F35-39 | 49 | 4:33:28 | 4:44:50 | 4:52:50 | 5:24:03 | 5:59:32 | 4:33:28 |
| F40-44 | 45 | 4:58:42 | 5:10:04 | 5:19:48 | 5:32:09 | 6:04:46 | 4:58:42 |
| F45-49 | 33 | 4:41:24 | 4:47:53 | 5:10:20 | 5:32:50 | 6:02:13 | 4:41:24 |
| F50-54 | 13 | 5:06:22 | 5:06:22 | 5:10:28 | 5:12:06 | 6:05:46 | 5:06:22 |
Source: Seffrin A., Nikolaidis P.T., Andrade M.S., Villiger E., Rosemann T., Weiss K., Ferreira D., Knechtle B. (2026). A dataset of 2.7 million IRONMAN triathlon records with transition times (2002-2026), v3.0.0. Zenodo. CC BY 4.0. doi:10.5281/zenodo.22097794.