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 | 1,304 | 4:38:30 | 5:03:43 | 5:17:50 | 5:35:10 | 6:12:18 | 4:04:59 |
| MPRO | 10 | 4:04:59 | 4:04:59 | 4:04:59 | 4:06:37 | 4:15:45 | 4:04:59 |
| M18-24 | 13 | 5:01:20 | 5:01:20 | 5:08:50 | 5:15:52 | 5:47:47 | 5:01:20 |
| M25-29 | 68 | 4:37:44 | 4:47:28 | 5:07:23 | 5:29:06 | 5:56:45 | 4:37:44 |
| M30-34 | 146 | 4:41:08 | 4:54:03 | 5:09:56 | 5:29:47 | 6:09:12 | 4:28:41 |
| M35-39 | 203 | 4:41:01 | 4:59:38 | 5:16:14 | 5:30:51 | 6:12:18 | 4:38:30 |
| M40-44 | 280 | 4:56:06 | 5:06:59 | 5:13:28 | 5:29:15 | 6:00:49 | 4:53:21 |
| M45-49 | 282 | 4:51:40 | 5:07:47 | 5:20:59 | 5:37:36 | 6:07:49 | 4:34:52 |
| M50-54 | 170 | 5:02:13 | 5:25:59 | 5:36:23 | 5:52:42 | 6:32:41 | 4:57:28 |
| M55-59 | 75 | 4:44:50 | 5:18:14 | 5:26:25 | 6:00:20 | 6:35:22 | 4:44:50 |
| M60-64 | 31 | 5:25:43 | 5:25:54 | 5:31:39 | 5:51:42 | 6:23:45 | 5:25:43 |
| M65-69 | 21 | 5:56:04 | 6:03:07 | 6:06:12 | 6:11:07 | 6:31:33 | 5:56:04 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 115 | 4:39:15 | 4:58:20 | 5:27:46 | 5:52:18 | 6:45:33 | 4:37:40 |
| FPRO | 7 | 4:37:40 | 4:37:40 | 4:37:40 | 4:39:15 | 4:50:44 | 4:37:40 |
| F25-29 | 10 | 5:04:18 | 5:04:18 | 5:04:18 | 5:27:46 | 6:32:59 | 5:04:18 |
| F30-34 | 14 | 5:38:29 | 5:38:29 | 5:43:23 | 5:44:53 | 6:30:48 | 5:38:29 |
| F35-39 | 19 | 5:01:05 | 5:01:05 | 5:51:29 | 6:00:05 | 6:42:20 | 5:01:05 |
| F40-44 | 25 | 5:12:08 | 5:48:40 | 5:48:47 | 6:03:25 | 6:51:35 | 5:12:08 |
| F45-49 | 13 | 5:38:54 | 5:38:54 | 5:45:12 | 5:52:18 | 7:00:06 | 5:38:54 |
| F50-54 | 20 | 5:57:57 | 5:57:57 | 6:00:54 | 6:18:53 | 7:06:43 | 5:57:57 |
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.