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 | 2,185 | 3:56:16 | 4:31:27 | 4:42:41 | 4:56:31 | 5:26:06 | 3:37:13 |
| MPRO | 30 | 3:37:13 | 3:41:09 | 3:42:24 | 3:43:48 | 3:50:17 | 3:37:13 |
| M18-24 | 96 | 4:15:46 | 4:21:16 | 4:33:55 | 4:40:21 | 5:03:59 | 4:15:46 |
| M25-29 | 195 | 4:12:57 | 4:28:31 | 4:33:13 | 4:43:36 | 5:08:17 | 4:11:20 |
| M30-34 | 288 | 4:11:36 | 4:24:12 | 4:32:15 | 4:48:14 | 5:13:38 | 3:59:23 |
| M35-39 | 300 | 4:15:22 | 4:29:25 | 4:35:05 | 4:47:03 | 5:13:11 | 4:03:52 |
| M40-44 | 350 | 4:22:40 | 4:38:46 | 4:42:46 | 4:51:53 | 5:12:32 | 4:08:32 |
| M45-49 | 297 | 4:27:09 | 4:53:41 | 5:00:41 | 5:13:12 | 5:33:02 | 4:20:31 |
| M50-54 | 268 | 4:43:02 | 5:00:07 | 5:09:21 | 5:17:14 | 5:43:32 | 4:39:53 |
| M55-59 | 201 | 5:00:56 | 5:08:30 | 5:18:06 | 5:30:14 | 5:56:17 | 4:56:01 |
| M60-64 | 92 | 5:02:13 | 5:20:22 | 5:26:04 | 5:44:21 | 6:15:27 | 5:02:13 |
| M65-69 | 47 | 5:23:34 | 5:41:19 | 5:50:33 | 6:02:23 | 6:24:47 | 5:23:34 |
| M70-74 | 13 | 5:52:04 | 5:52:04 | 5:55:44 | 6:39:18 | 7:48:37 | 5:52:04 |
| M75-79 | 7 | 6:54:06 | 6:54:06 | 6:54:06 | 7:04:52 | 7:58:41 | 6:54:06 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 1,254 | 4:19:16 | 5:02:47 | 5:17:36 | 5:34:24 | 6:06:51 | 4:00:20 |
| FPRO | 27 | 4:00:20 | 4:08:39 | 4:08:50 | 4:12:50 | 4:21:12 | 4:00:20 |
| F18-24 | 48 | 4:32:47 | 4:53:39 | 5:13:36 | 5:17:30 | 5:42:07 | 4:32:47 |
| F25-29 | 109 | 4:40:55 | 5:00:32 | 5:02:47 | 5:19:35 | 5:43:07 | 4:34:01 |
| F30-34 | 169 | 4:52:19 | 5:03:48 | 5:11:03 | 5:18:45 | 5:45:35 | 4:41:24 |
| F35-39 | 169 | 4:52:49 | 5:05:58 | 5:15:12 | 5:30:43 | 5:54:38 | 4:46:52 |
| F40-44 | 225 | 5:00:29 | 5:17:23 | 5:29:00 | 5:39:50 | 6:08:50 | 4:57:17 |
| F45-49 | 175 | 4:54:32 | 5:23:34 | 5:35:44 | 5:49:33 | 6:11:11 | 4:51:08 |
| F50-54 | 148 | 5:02:43 | 5:31:59 | 5:45:32 | 5:59:01 | 6:31:48 | 4:58:54 |
| F55-59 | 100 | 5:10:33 | 5:46:04 | 5:49:43 | 6:01:12 | 6:25:51 | 5:10:33 |
| F60-64 | 51 | 5:28:38 | 5:45:15 | 6:00:10 | 6:20:47 | 6:47:32 | 5:28:38 |
| F65-69 | 25 | 6:19:48 | 6:41:35 | 6:53:14 | 6:58:18 | 7:24:43 | 6:19:48 |
| F70-74 | 7 | 6:51:45 | 6:51:45 | 6:51:45 | 7:39:06 | 7:47:23 | 6:51:45 |
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.