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 | 772 | 4:37:25 | 5:02:38 | 5:13:27 | 5:31:23 | 6:11:29 | 4:17:38 |
| M18-24 | 32 | 4:37:25 | 4:58:54 | 5:08:00 | 5:14:10 | 6:09:00 | 4:37:25 |
| M25-29 | 92 | 4:17:38 | 4:56:19 | 5:04:27 | 5:25:01 | 5:56:24 | 4:17:38 |
| M30-34 | 86 | 4:25:16 | 4:55:34 | 5:06:44 | 5:22:32 | 6:03:15 | 4:25:16 |
| M35-39 | 115 | 4:48:29 | 4:52:59 | 5:13:21 | 5:25:16 | 6:05:59 | 4:45:18 |
| M40-44 | 136 | 4:33:18 | 5:04:05 | 5:11:12 | 5:27:27 | 6:01:25 | 4:32:54 |
| M45-49 | 122 | 5:02:38 | 5:12:29 | 5:22:20 | 5:36:25 | 6:15:00 | 4:52:08 |
| M50-54 | 96 | 4:53:27 | 5:08:49 | 5:23:58 | 5:36:04 | 6:19:50 | 4:53:27 |
| M55-59 | 49 | 4:55:07 | 5:00:48 | 5:28:36 | 5:41:27 | 6:23:57 | 4:55:07 |
| M60-64 | 28 | 5:32:05 | 5:40:47 | 5:45:11 | 5:58:30 | 6:35:48 | 5:32:05 |
| M65-69 | 13 | 5:57:06 | 5:57:06 | 6:01:12 | 6:06:36 | 7:02:38 | 5:57:06 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 337 | 5:13:09 | 5:31:05 | 5:42:24 | 6:01:08 | 6:42:38 | 5:03:39 |
| F18-24 | 12 | 5:30:12 | 5:30:12 | 5:48:30 | 5:51:43 | 6:41:03 | 5:30:12 |
| F25-29 | 45 | 5:26:11 | 5:32:15 | 5:37:50 | 5:50:19 | 6:31:08 | 5:26:11 |
| F30-34 | 46 | 5:12:01 | 5:26:48 | 5:30:46 | 5:44:00 | 6:38:19 | 5:12:01 |
| F35-39 | 45 | 5:24:19 | 5:31:05 | 5:40:47 | 5:55:17 | 6:17:40 | 5:24:19 |
| F40-44 | 57 | 5:08:52 | 5:19:08 | 5:38:29 | 5:59:26 | 6:43:00 | 5:08:52 |
| F45-49 | 65 | 5:03:39 | 5:36:48 | 5:53:00 | 6:04:25 | 6:51:09 | 5:03:39 |
| F50-54 | 35 | 5:45:20 | 5:50:12 | 6:10:18 | 6:20:09 | 6:58:31 | 5:45:20 |
| F55-59 | 21 | 5:47:15 | 5:54:10 | 5:54:37 | 6:08:28 | 7:10:21 | 5:47:15 |
| F60-64 | 10 | 6:06:21 | 6:06:21 | 6:06:21 | 6:16:04 | 6:53:33 | 6:06:21 |
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.