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 | 1,100 | 4:19:11 | 4:38:26 | 4:50:09 | 5:09:31 | 5:46:37 | 3:58:34 |
| M18-24 | 59 | 4:22:52 | 4:29:38 | 4:41:16 | 5:01:50 | 5:49:46 | 4:22:52 |
| M25-29 | 90 | 4:09:01 | 4:31:58 | 4:39:35 | 5:02:32 | 5:45:49 | 4:09:01 |
| M30-34 | 160 | 4:13:37 | 4:37:48 | 4:44:25 | 4:59:03 | 5:39:00 | 3:58:34 |
| M35-39 | 168 | 4:18:32 | 4:34:01 | 4:42:07 | 5:03:43 | 5:49:19 | 4:16:34 |
| M40-44 | 211 | 4:25:00 | 4:37:38 | 4:49:29 | 5:07:59 | 5:39:06 | 4:18:11 |
| M45-49 | 183 | 4:27:18 | 4:47:26 | 4:53:05 | 5:09:28 | 5:46:15 | 4:13:04 |
| M50-54 | 107 | 4:45:18 | 4:55:50 | 5:04:18 | 5:14:55 | 5:45:45 | 4:44:20 |
| M55-59 | 77 | 4:21:11 | 4:43:48 | 4:59:11 | 5:22:07 | 6:13:05 | 4:21:11 |
| M60-64 | 29 | 5:10:56 | 5:25:53 | 5:26:32 | 5:30:29 | 6:03:02 | 5:10:56 |
| M65-69 | 6 | 5:23:21 | 5:23:21 | 5:23:21 | 5:45:05 | 6:03:11 | 5:23:21 |
| M70-74 | 8 | 5:52:07 | 5:52:07 | 5:52:07 | 6:18:34 | 7:13:33 | 5:52:07 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 560 | 4:39:36 | 4:56:54 | 5:12:38 | 5:30:23 | 6:15:41 | 4:34:11 |
| F18-24 | 13 | 4:58:27 | 4:58:27 | 5:22:44 | 5:28:50 | 6:18:38 | 4:58:27 |
| F25-29 | 59 | 4:34:11 | 4:39:14 | 4:55:26 | 5:09:21 | 5:57:09 | 4:34:11 |
| F30-34 | 92 | 4:37:09 | 4:50:19 | 5:17:58 | 5:33:23 | 6:14:40 | 4:37:09 |
| F35-39 | 108 | 4:39:49 | 4:53:52 | 5:09:01 | 5:25:36 | 6:14:17 | 4:39:04 |
| F40-44 | 96 | 4:42:22 | 5:02:26 | 5:14:29 | 5:34:05 | 6:17:43 | 4:42:22 |
| F45-49 | 95 | 4:49:10 | 5:04:42 | 5:14:05 | 5:33:30 | 6:21:09 | 4:49:10 |
| F50-54 | 59 | 5:07:24 | 5:14:13 | 5:21:04 | 5:44:11 | 6:20:23 | 5:07:24 |
| F55-59 | 25 | 4:54:54 | 5:21:13 | 5:45:23 | 6:03:47 | 6:20:34 | 4:54:54 |
| F60-64 | 7 | 4:56:54 | 4:56:54 | 4:56:54 | 5:26:58 | 6:14:56 | 4:56:54 |
| F65-69 | 5 | 6:43:01 | 6:43:01 | 6:43:01 | 6:43:01 | 7:33:30 | 6:43:01 |
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.