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 | 1,637 | 9:18:43 | 10:00:25 | 10:33:48 | 11:29:09 | 13:05:37 | 8:32:33 |
| M18-24 | 28 | 9:21:57 | 9:49:45 | 10:03:27 | 10:40:51 | 11:59:37 | 9:21:57 |
| M25-29 | 100 | 8:53:40 | 9:32:39 | 9:47:05 | 10:33:48 | 12:36:20 | 8:53:40 |
| M30-34 | 200 | 9:03:30 | 9:55:07 | 10:12:31 | 10:58:46 | 12:40:52 | 8:39:08 |
| M35-39 | 238 | 8:59:27 | 9:32:32 | 10:24:53 | 11:07:03 | 12:30:59 | 8:32:33 |
| M40-44 | 320 | 9:29:50 | 10:06:13 | 10:30:56 | 11:19:00 | 12:51:05 | 9:11:51 |
| M45-49 | 315 | 9:25:43 | 10:02:47 | 10:36:51 | 11:26:39 | 13:03:00 | 9:15:14 |
| M50-54 | 228 | 9:49:13 | 10:08:19 | 11:06:20 | 11:53:37 | 13:30:13 | 9:37:02 |
| M55-59 | 128 | 9:57:30 | 11:02:15 | 11:44:09 | 12:23:53 | 14:04:32 | 9:50:50 |
| M60-64 | 52 | 11:17:20 | 11:57:03 | 12:16:02 | 13:13:33 | 14:14:46 | 11:17:20 |
| M65-69 | 21 | 11:04:41 | 12:06:57 | 12:28:26 | 13:27:39 | 14:37:21 | 11:04:41 |
| M70-74 | 6 | 12:52:23 | 12:52:23 | 12:52:23 | 15:21:15 | 15:38:46 | 12:52:23 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 544 | 10:07:57 | 10:47:36 | 11:25:04 | 12:13:39 | 13:54:55 | 9:39:51 |
| F18-24 | 8 | 11:48:00 | 11:48:00 | 11:48:00 | 12:05:29 | 12:48:45 | 11:48:00 |
| F25-29 | 49 | 10:00:18 | 10:10:07 | 10:40:46 | 11:25:13 | 13:08:36 | 10:00:18 |
| F30-34 | 71 | 9:39:51 | 10:33:16 | 10:45:10 | 11:35:36 | 13:28:03 | 9:39:51 |
| F35-39 | 83 | 9:41:56 | 11:09:06 | 11:35:15 | 12:29:44 | 14:06:25 | 9:41:56 |
| F40-44 | 98 | 10:11:10 | 10:46:25 | 11:26:36 | 11:55:48 | 13:32:32 | 10:11:10 |
| F45-49 | 97 | 10:02:48 | 10:42:51 | 11:34:16 | 12:35:02 | 13:57:21 | 10:02:48 |
| F50-54 | 83 | 10:38:41 | 11:20:10 | 11:36:38 | 13:07:56 | 14:27:29 | 10:38:41 |
| F55-59 | 37 | 11:03:31 | 11:20:47 | 11:49:52 | 13:02:45 | 14:31:14 | 11:03:31 |
| F60-64 | 13 | 11:16:55 | 11:16:55 | 11:23:07 | 13:30:34 | 15:12:26 | 11:16:55 |
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.