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 | 1,531 | 4:31:24 | 4:49:42 | 5:02:25 | 5:21:04 | 6:05:11 | 4:11:48 |
| M18-24 | 42 | 4:11:48 | 4:29:25 | 4:48:44 | 4:57:03 | 5:38:14 | 4:11:48 |
| M25-29 | 164 | 4:15:39 | 4:34:31 | 4:50:33 | 5:05:07 | 5:58:51 | 4:14:47 |
| M30-34 | 266 | 4:31:24 | 4:46:26 | 4:53:33 | 5:13:00 | 5:51:03 | 4:27:04 |
| M35-39 | 261 | 4:28:42 | 4:51:45 | 5:03:14 | 5:15:20 | 5:51:56 | 4:19:35 |
| M40-44 | 238 | 4:35:03 | 4:54:16 | 5:02:25 | 5:17:58 | 6:00:07 | 4:17:34 |
| M45-49 | 220 | 4:38:08 | 4:52:37 | 5:13:08 | 5:32:39 | 6:08:47 | 4:26:34 |
| M50-54 | 177 | 4:44:42 | 5:07:15 | 5:15:11 | 5:39:13 | 6:17:35 | 4:43:48 |
| M55-59 | 109 | 4:55:50 | 5:12:45 | 5:33:04 | 5:44:50 | 6:31:13 | 4:51:44 |
| M60-64 | 44 | 5:28:26 | 5:41:45 | 5:53:28 | 6:09:20 | 6:44:18 | 5:28:26 |
| M65-69 | 8 | 6:20:59 | 6:20:59 | 6:20:59 | 6:24:35 | 6:48:44 | 6:20:59 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 338 | 4:34:19 | 5:06:19 | 5:25:26 | 5:40:23 | 6:23:59 | 4:17:43 |
| FPRO | 9 | 4:17:43 | 4:17:43 | 4:17:43 | 4:25:07 | 4:37:11 | 4:17:43 |
| F18-24 | 7 | 4:50:50 | 4:50:50 | 4:50:50 | 5:33:55 | 6:18:20 | 4:50:50 |
| F25-29 | 53 | 4:41:48 | 5:00:36 | 5:19:40 | 5:32:49 | 6:09:18 | 4:41:48 |
| F30-34 | 53 | 5:05:37 | 5:11:42 | 5:24:45 | 5:34:14 | 6:09:41 | 5:05:37 |
| F35-39 | 48 | 4:55:23 | 5:06:19 | 5:12:40 | 5:27:55 | 6:03:08 | 4:55:23 |
| F40-44 | 50 | 5:05:02 | 5:28:14 | 5:36:10 | 5:50:34 | 6:26:22 | 5:05:02 |
| F45-49 | 49 | 5:20:36 | 5:35:14 | 5:50:33 | 6:04:12 | 6:48:44 | 5:20:36 |
| F50-54 | 38 | 5:15:43 | 5:31:36 | 5:44:26 | 6:15:27 | 6:59:29 | 5:15:43 |
| F55-59 | 24 | 5:28:20 | 5:58:19 | 6:04:54 | 6:09:34 | 6:41:27 | 5:28:20 |
| F60-64 | 6 | 6:37:40 | 6:37:40 | 6:37:40 | 6:39:12 | 6:44:58 | 6:37:40 |
Source: Seffrin A., Nikolaidis P.T., Andrade M.S., Villiger E., Rosemann T., Weiss K., Ferreira D., Knechtle B. (2026). A dataset of 3.6 million IRONMAN triathlon records with transition times (2002-2026), v4.0.0. Zenodo. CC BY 4.0. doi:10.5281/zenodo.23421027.