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 | 1,191 | 4:10:17 | 4:37:42 | 4:53:43 | 5:16:59 | 5:57:32 | 3:46:13 |
| MPRO | 20 | 3:46:13 | 3:46:13 | 3:56:00 | 3:58:52 | 4:12:24 | 3:46:13 |
| M18-24 | 49 | 4:14:33 | 4:52:16 | 4:55:51 | 5:13:52 | 5:44:31 | 4:14:33 |
| M25-29 | 127 | 4:22:41 | 4:44:44 | 4:56:01 | 5:24:04 | 5:54:08 | 4:18:27 |
| M30-34 | 190 | 4:16:58 | 4:37:39 | 4:49:29 | 5:06:39 | 5:53:03 | 4:01:05 |
| M35-39 | 201 | 4:11:18 | 4:33:41 | 4:45:04 | 5:10:09 | 5:59:24 | 3:56:09 |
| M40-44 | 242 | 4:30:15 | 4:49:46 | 5:00:52 | 5:21:49 | 6:01:39 | 4:25:42 |
| M45-49 | 175 | 4:33:05 | 4:50:17 | 4:58:24 | 5:18:10 | 5:51:50 | 4:26:01 |
| M50-54 | 103 | 4:42:43 | 4:51:58 | 5:09:38 | 5:24:46 | 6:11:50 | 4:31:55 |
| M55-59 | 47 | 4:44:32 | 5:04:20 | 5:19:51 | 5:39:34 | 6:12:33 | 4:44:32 |
| M60-64 | 27 | 5:04:23 | 5:15:40 | 5:29:41 | 5:38:09 | 6:21:34 | 5:04:23 |
| M65-69 | 7 | 6:36:59 | 6:36:59 | 6:36:59 | 6:39:49 | 7:04:58 | 6:36:59 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 530 | 4:40:29 | 5:13:41 | 5:29:13 | 5:48:06 | 6:28:12 | 4:18:17 |
| FPRO | 6 | 4:18:17 | 4:18:17 | 4:18:17 | 4:25:26 | 4:29:38 | 4:18:17 |
| F18-24 | 27 | 5:10:25 | 5:10:56 | 5:11:04 | 5:41:28 | 6:35:14 | 5:10:25 |
| F25-29 | 74 | 4:44:38 | 5:22:05 | 5:35:26 | 5:43:30 | 6:24:57 | 4:44:38 |
| F30-34 | 96 | 4:50:48 | 5:08:57 | 5:25:19 | 5:48:41 | 6:18:38 | 4:50:48 |
| F35-39 | 94 | 4:48:56 | 5:13:47 | 5:29:13 | 5:39:08 | 6:23:22 | 4:48:56 |
| F40-44 | 97 | 5:06:40 | 5:20:36 | 5:33:23 | 5:56:46 | 6:36:08 | 5:06:40 |
| F45-49 | 62 | 5:00:44 | 5:13:41 | 5:26:11 | 5:42:34 | 6:35:54 | 5:00:44 |
| F50-54 | 45 | 5:18:07 | 5:30:59 | 5:45:18 | 5:59:29 | 6:28:12 | 5:18:07 |
| F55-59 | 24 | 5:08:50 | 5:30:10 | 5:33:33 | 6:04:34 | 6:39:49 | 5:08:50 |
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.