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 | 1,332 | 4:03:03 | 4:18:40 | 4:29:14 | 4:49:41 | 5:31:24 | 3:55:57 |
| MPRO | 20 | 3:57:35 | 3:57:35 | 3:58:43 | 4:01:31 | 4:06:04 | 3:57:35 |
| M18-24 | 24 | 4:12:06 | 4:17:34 | 4:21:04 | 4:24:46 | 4:46:05 | 4:12:06 |
| M25-29 | 72 | 3:56:05 | 4:05:32 | 4:12:51 | 4:23:39 | 5:22:05 | 3:56:05 |
| M30-34 | 158 | 4:00:29 | 4:06:07 | 4:19:20 | 4:31:56 | 5:20:58 | 3:57:02 |
| M35-39 | 196 | 4:02:18 | 4:26:00 | 4:33:24 | 4:43:02 | 5:19:20 | 3:55:57 |
| M40-44 | 238 | 4:14:20 | 4:21:57 | 4:34:31 | 4:54:21 | 5:24:11 | 4:06:46 |
| M45-49 | 253 | 4:10:55 | 4:27:33 | 4:39:59 | 5:00:32 | 5:40:33 | 4:09:48 |
| M50-54 | 179 | 4:17:28 | 4:28:32 | 4:37:23 | 5:02:04 | 5:43:06 | 4:11:16 |
| M55-59 | 94 | 4:27:11 | 4:43:30 | 4:53:05 | 5:03:23 | 5:37:25 | 4:27:11 |
| M60-64 | 65 | 4:18:27 | 4:56:20 | 5:05:30 | 5:17:37 | 6:07:15 | 4:18:27 |
| M65-69 | 21 | 4:59:27 | 5:13:40 | 5:22:47 | 5:34:01 | 6:17:14 | 4:59:27 |
| M70-74 | 8 | 5:16:42 | 5:16:42 | 5:16:42 | 5:36:13 | 6:08:49 | 5:16:42 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 771 | 4:25:39 | 4:38:56 | 4:50:04 | 5:08:03 | 5:52:48 | 4:15:20 |
| FPRO | 19 | 4:15:20 | 4:15:20 | 4:17:25 | 4:22:06 | 4:34:06 | 4:15:20 |
| F18-24 | 17 | 4:48:32 | 4:48:32 | 5:15:30 | 5:30:42 | 6:03:44 | 4:48:32 |
| F25-29 | 64 | 4:25:39 | 4:39:15 | 4:41:58 | 4:51:30 | 5:32:39 | 4:25:39 |
| F30-34 | 76 | 4:29:26 | 4:50:27 | 4:53:57 | 5:18:25 | 5:56:36 | 4:29:26 |
| F35-39 | 141 | 4:28:07 | 4:35:58 | 4:45:20 | 5:05:45 | 5:55:42 | 4:26:00 |
| F40-44 | 144 | 4:23:59 | 4:41:05 | 4:48:08 | 5:04:47 | 5:50:04 | 4:23:41 |
| F45-49 | 129 | 4:29:17 | 4:43:05 | 4:54:54 | 5:15:03 | 5:52:48 | 4:27:08 |
| F50-54 | 98 | 4:43:33 | 4:49:18 | 4:55:11 | 5:07:24 | 5:54:03 | 4:43:33 |
| F55-59 | 47 | 4:51:35 | 4:59:34 | 5:08:56 | 5:32:08 | 6:19:07 | 4:51:35 |
| F60-64 | 30 | 4:58:52 | 5:20:30 | 5:40:36 | 5:50:22 | 6:41:47 | 4:58:52 |
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.