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 | 969 | 4:20:49 | 4:41:12 | 4:54:54 | 5:16:37 | 5:57:41 | 4:03:12 |
| M18-24 | 38 | 4:40:41 | 4:48:16 | 4:51:42 | 5:21:44 | 6:01:19 | 4:40:41 |
| M25-29 | 97 | 4:16:34 | 4:33:29 | 4:52:21 | 5:12:43 | 5:55:16 | 4:16:34 |
| M30-34 | 130 | 4:10:12 | 4:24:52 | 4:41:40 | 5:02:48 | 5:43:50 | 4:03:12 |
| M35-39 | 128 | 4:16:40 | 4:31:03 | 4:40:13 | 5:03:06 | 5:55:31 | 4:14:53 |
| M40-44 | 141 | 4:24:20 | 4:40:54 | 4:50:02 | 5:13:57 | 5:44:32 | 4:21:28 |
| M45-49 | 140 | 4:30:45 | 4:43:05 | 4:56:41 | 5:14:19 | 5:54:15 | 4:16:28 |
| M50-54 | 120 | 4:41:20 | 4:53:08 | 5:03:07 | 5:18:12 | 5:51:40 | 4:36:28 |
| M55-59 | 92 | 4:48:15 | 4:58:08 | 5:16:41 | 5:35:55 | 6:04:05 | 4:48:15 |
| M60-64 | 51 | 5:05:58 | 5:11:58 | 5:27:41 | 5:43:02 | 6:25:37 | 5:05:58 |
| M65-69 | 24 | 5:07:10 | 5:18:55 | 5:25:44 | 5:54:25 | 6:37:28 | 5:07:10 |
| M70-74 | 6 | 5:31:52 | 5:31:52 | 5:31:52 | 5:57:01 | 6:04:58 | 5:31:52 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 540 | 4:54:35 | 5:19:56 | 5:32:43 | 5:50:02 | 6:30:41 | 4:31:54 |
| F18-24 | 15 | 5:19:56 | 5:19:56 | 5:35:39 | 5:46:22 | 6:18:39 | 5:19:56 |
| F25-29 | 53 | 4:42:13 | 4:56:59 | 5:24:01 | 5:33:14 | 6:07:22 | 4:42:13 |
| F30-34 | 58 | 4:43:13 | 5:19:12 | 5:22:56 | 5:41:54 | 6:23:05 | 4:43:13 |
| F35-39 | 60 | 4:31:54 | 4:54:35 | 5:14:55 | 5:29:16 | 6:06:30 | 4:31:54 |
| F40-44 | 79 | 4:50:16 | 5:17:20 | 5:46:01 | 6:01:10 | 6:41:55 | 4:50:16 |
| F45-49 | 91 | 4:54:50 | 5:25:10 | 5:38:09 | 5:56:44 | 6:32:42 | 4:54:50 |
| F50-54 | 68 | 4:54:47 | 5:22:08 | 5:29:28 | 5:47:19 | 6:34:13 | 4:54:47 |
| F55-59 | 64 | 5:09:29 | 5:39:44 | 5:42:55 | 5:53:00 | 6:51:17 | 5:09:29 |
| F60-64 | 33 | 5:17:59 | 5:32:21 | 5:37:31 | 5:53:43 | 6:38:25 | 5:17:59 |
| F65-69 | 14 | 5:42:45 | 5:42:45 | 6:00:25 | 6:01:45 | 6:54:27 | 5:42:45 |
| F70-74 | 5 | 6:35:39 | 6:35:39 | 6:35:39 | 6:35:39 | 7:24:40 | 6:35:39 |
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.