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 | 1,210 | 4:24:57 | 4:40:50 | 4:49:22 | 5:03:21 | 5:34:06 | 3:58:08 |
| MPRO | 11 | 3:58:08 | 3:58:08 | 4:10:50 | 4:12:33 | 4:15:02 | 3:58:08 |
| M18-24 | 39 | 4:29:15 | 4:29:41 | 4:43:09 | 4:58:13 | 5:27:28 | 4:29:15 |
| M25-29 | 81 | 4:24:57 | 4:39:22 | 4:42:47 | 4:59:56 | 5:21:28 | 4:24:57 |
| M30-34 | 134 | 4:31:29 | 4:36:07 | 4:47:05 | 4:55:19 | 5:28:06 | 4:27:34 |
| M35-39 | 207 | 4:25:58 | 4:41:18 | 4:46:43 | 4:58:28 | 5:26:00 | 4:21:27 |
| M40-44 | 283 | 4:28:23 | 4:42:09 | 4:50:10 | 5:01:37 | 5:27:38 | 4:24:21 |
| M45-49 | 194 | 4:36:34 | 4:45:43 | 4:58:12 | 5:10:14 | 5:41:56 | 4:25:08 |
| M50-54 | 161 | 4:35:49 | 4:48:08 | 4:57:38 | 5:15:22 | 5:44:10 | 4:32:15 |
| M55-59 | 69 | 4:49:37 | 4:59:52 | 5:14:43 | 5:33:08 | 6:01:38 | 4:49:37 |
| M60-64 | 21 | 5:03:31 | 5:07:07 | 5:26:13 | 5:35:26 | 6:08:38 | 5:03:31 |
| M65-69 | 9 | 5:36:33 | 5:36:33 | 5:36:33 | 6:14:21 | 7:08:58 | 5:36:33 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 455 | 4:41:42 | 5:00:10 | 5:10:07 | 5:28:50 | 6:00:58 | 4:23:30 |
| FPRO | 11 | 4:23:30 | 4:23:30 | 4:38:41 | 4:39:52 | 4:43:34 | 4:23:30 |
| F18-24 | 7 | 5:01:51 | 5:01:51 | 5:01:51 | 5:49:40 | 5:59:44 | 5:01:51 |
| F25-29 | 38 | 4:58:07 | 4:58:32 | 5:04:43 | 5:18:32 | 5:43:13 | 4:58:07 |
| F30-34 | 81 | 4:54:00 | 5:03:19 | 5:08:23 | 5:23:58 | 5:51:16 | 4:54:00 |
| F35-39 | 75 | 4:45:12 | 5:00:56 | 5:12:30 | 5:29:58 | 5:58:47 | 4:45:12 |
| F40-44 | 91 | 4:51:03 | 5:09:44 | 5:21:24 | 5:26:44 | 6:08:57 | 4:51:03 |
| F45-49 | 76 | 4:55:20 | 5:16:37 | 5:27:32 | 5:35:16 | 6:05:36 | 4:55:20 |
| F50-54 | 52 | 5:08:05 | 5:15:51 | 5:34:41 | 5:46:53 | 6:12:07 | 5:08:05 |
| F55-59 | 18 | 5:51:40 | 5:51:40 | 5:54:15 | 6:08:53 | 6:37:05 | 5:51:40 |
| F60-64 | 6 | 5:43:54 | 5:43:54 | 5:43:54 | 5:48:54 | 5:49:20 | 5:43:54 |
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.