Age-group thresholds

IRONMAN Wisconsin · 23 editions (2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2021, 2022, 2023, 2024, 2025) · 45,809 finishers

Editions: 2002 · 2003 · 2004 · 2005 · 2006 · 2007 · 2008 · 2009 · 2010 · 2011 · 2012 · 2013 · 2014 · 2015 · 2016 · 2017 · 2018 · 2019 · 2021 · 2022 · 2023 · 2024 · 2025

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 34,164 9:39:32 10:30:00 11:01:20 11:43:41 13:10:56 8:17:19
MPRO 279 8:28:36 8:38:42 8:50:34 8:58:53 9:24:56 8:17:19
M18-24 1,573 9:53:19 10:28:54 10:55:29 11:29:38 12:49:22 9:15:12
M25-29 3,674 9:48:16 10:22:42 10:47:03 11:24:51 12:45:49 8:36:16
M30-34 5,419 9:40:26 10:17:20 10:45:10 11:27:04 12:48:02 8:44:47
M35-39 6,083 9:44:02 10:27:20 10:54:53 11:33:03 12:54:16 9:00:11
M40-44 6,188 9:51:49 10:36:21 11:07:08 11:47:17 13:09:15 9:05:33
M45-49 4,722 10:03:04 10:46:37 11:19:13 11:57:49 13:24:16 9:17:23
M50-54 3,455 10:31:59 11:16:34 11:42:15 12:22:24 13:45:46 9:33:16
M55-59 1,760 10:44:53 11:26:37 11:56:17 12:43:32 14:12:26 10:05:36
M60-64 759 11:12:39 11:57:04 12:21:53 13:06:39 14:32:36 10:16:24
M65-69 190 11:47:16 12:36:52 12:51:07 13:32:48 14:49:52 11:37:38
M70-74 50 13:14:46 13:23:15 13:46:19 14:10:10 15:24:26 13:14:46
M75-79 11 15:07:20 15:07:20 15:22:07 15:39:05 16:27:17 15:07:20

Women

Age group Finishers Top 1% Top 5% Top 10% Top 20% Median Best
All age groups 11,645 10:25:20 11:22:06 11:53:25 12:32:53 13:58:31 9:12:39
FPRO 171 9:13:34 9:38:42 9:46:28 9:53:44 10:19:08 9:12:39
F18-24 477 10:53:38 11:34:24 11:51:13 12:26:39 13:47:59 9:54:24
F25-29 1,627 10:42:50 11:20:49 11:49:09 12:20:45 13:37:48 9:57:41
F30-34 2,201 10:40:41 11:16:17 11:48:49 12:26:28 13:46:29 9:49:01
F35-39 2,057 10:46:56 11:28:37 11:53:18 12:30:27 13:51:46 10:05:30
F40-44 2,115 10:53:38 11:33:39 12:03:51 12:40:25 13:59:19 10:21:18
F45-49 1,488 11:01:26 11:39:36 12:10:37 12:48:57 14:15:56 10:33:51
F50-54 952 11:35:28 12:04:47 12:36:55 13:16:14 14:44:27 10:28:19
F55-59 390 11:39:29 12:14:21 12:45:44 13:28:59 15:01:29 11:18:28
F60-64 133 12:00:03 12:40:27 13:15:12 13:54:21 15:21:04 12:00:03
F65-69 31 13:16:27 13:50:09 14:08:41 14:28:44 15:14:28 13:16:27

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.