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 | 1,238 | 4:38:31 | 5:03:48 | 5:21:21 | 5:41:35 | 6:21:21 | 4:16:40 |
| M18-24 | 59 | 4:24:18 | 4:53:45 | 5:15:45 | 5:32:02 | 6:26:12 | 4:24:18 |
| M25-29 | 145 | 4:18:45 | 4:46:33 | 5:09:34 | 5:33:40 | 6:12:10 | 4:16:40 |
| M30-34 | 193 | 4:36:14 | 5:03:34 | 5:21:21 | 5:35:32 | 6:21:24 | 4:28:56 |
| M35-39 | 169 | 4:43:31 | 5:01:27 | 5:20:18 | 5:38:02 | 6:12:02 | 4:35:26 |
| M40-44 | 180 | 4:38:54 | 4:59:50 | 5:14:42 | 5:29:07 | 6:05:20 | 4:24:42 |
| M45-49 | 200 | 4:33:56 | 5:02:29 | 5:21:36 | 5:47:20 | 6:25:00 | 4:32:49 |
| M50-54 | 153 | 5:02:15 | 5:23:41 | 5:31:58 | 5:54:02 | 6:31:36 | 4:40:45 |
| M55-59 | 91 | 5:08:14 | 5:26:45 | 5:43:37 | 6:02:16 | 6:37:17 | 5:08:14 |
| M60-64 | 31 | 5:27:47 | 5:36:59 | 5:39:06 | 5:51:25 | 6:37:45 | 5:27:47 |
| M65-69 | 13 | 5:53:33 | 5:53:33 | 5:56:40 | 6:07:48 | 6:44:26 | 5:53:33 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 423 | 5:09:58 | 5:35:13 | 5:45:07 | 6:08:34 | 6:49:10 | 4:58:35 |
| F18-24 | 16 | 5:35:13 | 5:35:13 | 5:59:01 | 6:09:57 | 6:34:27 | 5:35:13 |
| F25-29 | 61 | 5:03:33 | 5:31:02 | 5:33:54 | 5:44:29 | 6:39:44 | 5:03:33 |
| F30-34 | 60 | 5:21:13 | 5:37:29 | 5:40:04 | 6:08:21 | 6:49:10 | 5:21:13 |
| F35-39 | 65 | 4:58:35 | 5:28:24 | 5:48:48 | 6:09:49 | 6:41:48 | 4:58:35 |
| F40-44 | 83 | 4:58:35 | 5:38:03 | 5:43:14 | 5:55:27 | 6:42:48 | 4:58:35 |
| F45-49 | 60 | 5:13:36 | 5:34:25 | 5:52:00 | 6:18:45 | 6:55:39 | 5:13:36 |
| F50-54 | 36 | 5:45:07 | 5:46:43 | 5:47:20 | 6:11:12 | 6:39:00 | 5:45:07 |
| F55-59 | 35 | 5:45:05 | 5:58:45 | 6:09:19 | 6:11:50 | 7:08:43 | 5:45:05 |
| F60-64 | 5 | 6:36:18 | 6:36:18 | 6:36:18 | 6:36:18 | 7:07:22 | 6:36:18 |
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.