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 | 1,225 | 4:15:46 | 4:51:42 | 5:11:47 | 5:35:07 | 6:17:49 | 3:39:18 |
| MPRO | 12 | 3:39:18 | 3:39:18 | 3:46:34 | 3:48:56 | 3:56:04 | 3:39:18 |
| M18-24 | 154 | 4:41:22 | 4:56:07 | 5:11:39 | 5:25:52 | 5:59:00 | 4:29:11 |
| M25-29 | 210 | 4:23:35 | 5:05:12 | 5:16:26 | 5:37:04 | 6:14:06 | 4:17:59 |
| M30-34 | 225 | 4:27:50 | 4:51:54 | 5:12:17 | 5:38:41 | 6:17:37 | 4:04:57 |
| M35-39 | 188 | 4:26:20 | 4:41:25 | 5:02:23 | 5:25:30 | 6:10:12 | 4:17:04 |
| M40-44 | 142 | 4:36:36 | 5:11:16 | 5:21:23 | 5:36:02 | 6:15:41 | 4:31:00 |
| M45-49 | 109 | 4:28:32 | 4:51:14 | 5:14:09 | 5:44:25 | 6:30:53 | 4:07:30 |
| M50-54 | 88 | 4:24:49 | 4:54:38 | 5:12:16 | 5:45:20 | 6:35:03 | 4:24:49 |
| M55-59 | 54 | 4:46:31 | 5:07:17 | 5:24:53 | 5:33:46 | 6:35:39 | 4:46:31 |
| M60-64 | 28 | 5:46:34 | 5:50:39 | 5:59:11 | 6:37:49 | 7:22:56 | 5:46:34 |
| M65-69 | 10 | 5:15:36 | 5:15:36 | 5:15:36 | 5:55:00 | 6:53:56 | 5:15:36 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 388 | 4:40:45 | 5:11:23 | 5:27:34 | 5:47:33 | 6:29:54 | 4:21:36 |
| FPRO | 6 | 4:21:36 | 4:21:36 | 4:21:36 | 4:33:57 | 4:37:40 | 4:21:36 |
| F18-24 | 45 | 4:41:28 | 5:06:57 | 5:14:17 | 5:35:15 | 6:09:41 | 4:41:28 |
| F25-29 | 67 | 5:00:13 | 5:27:34 | 5:37:41 | 5:49:43 | 6:38:48 | 5:00:13 |
| F30-34 | 77 | 4:57:52 | 5:18:20 | 5:31:46 | 5:47:18 | 6:26:17 | 4:57:52 |
| F35-39 | 57 | 4:43:07 | 5:10:10 | 5:24:28 | 5:54:55 | 6:25:31 | 4:43:07 |
| F40-44 | 53 | 4:40:45 | 5:11:15 | 5:27:34 | 5:52:29 | 6:42:11 | 4:40:45 |
| F45-49 | 41 | 5:06:15 | 5:26:23 | 5:34:15 | 5:38:54 | 6:43:01 | 5:06:15 |
| F50-54 | 20 | 5:27:30 | 5:27:30 | 5:28:46 | 6:03:56 | 6:39:23 | 5:27:30 |
| F55-59 | 10 | 5:51:56 | 5:51:56 | 5:51:56 | 6:13:53 | 6:46:17 | 5:51:56 |
| F60-64 | 9 | 5:34:05 | 5:34:05 | 5:34:05 | 5:51:12 | 6:28:04 | 5:34:05 |
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.