← All editions

IRONMAN 70.3 Boulder 2025

The average finish time at IRONMAN 70.3 Boulder 2025 was 6:16:19 (median 6:13:47) across 1557 age-group finishers. Men averaged 6:11:16 and women 6:30:01. 91% of starters finished.

Average

6:16:19

1,557 age-groupers

Median

6:13:47

half finish faster

Men

6:11:16

1,137 finishers

Women

6:30:01

420 finishers

Average swim, bike and run times

Leg	Average	Median	Men avg	Women avg	Top 10%	Top 25%	Top 75%
Swim	42:30	41:48	42:30	42:29	33:27	37:21	46:31
T1	6:07	5:39	6:10	5:59	3:30	4:22	7:20
Bike	2:59:15	2:57:53	2:55:48	3:08:37	2:29:01	2:42:15	3:15:09
T2	5:02	4:27	5:01	5:04	2:22	3:11	6:13
Run	2:23:25	2:21:01	2:21:47	2:27:51	1:44:56	2:00:12	2:44:25
Finish	6:16:19	6:13:47	6:11:16	6:30:01	4:59:19	5:32:44	6:58:39

Average time by age group

MenWomen

AG	Finishers	Swim	Bike	Run	Average	Median	Fastest
M18-24	108	40:25	2:54:00	2:15:37	6:00:20	5:57:52	4:01:34
M25-29	216	42:01	2:57:43	2:19:16	6:09:44	6:10:05	4:05:30
M30-34	211	42:39	2:58:38	2:19:07	6:12:15	6:12:44	3:55:46
M35-39	157	42:47	2:55:07	2:21:38	6:10:19	6:05:56	4:15:15
M40-44	147	42:38	2:53:09	2:19:58	6:06:53	5:59:51	4:16:21
M45-49	96	41:42	2:51:24	2:21:45	6:06:00	6:03:11	4:21:46
M50-54	76	43:57	2:52:08	2:27:45	6:15:05	6:10:03	4:20:55
M55-59	68	43:43	2:56:50	2:30:33	6:22:50	6:20:19	4:16:01
M60-64	37	43:57	2:56:19	2:30:55	6:22:59	6:31:37	4:33:51
M65-69	14	45:26	3:05:32	2:55:29	7:00:10	7:02:41	5:56:58
M70-74	5	44:58	3:14:40	2:45:20	7:01:10	7:01:21	5:32:03
M75-79	1	51:29	3:13:19	2:40:30	6:56:54	6:56:54	6:56:54
M80-84	1	41:29	3:38:22	3:25:10	8:01:13	8:01:13	8:01:13

AG	Finishers	Swim	Bike	Run	Average	Median	Fastest
F18-24	38	38:43	3:14:53	2:26:01	6:30:28	6:22:13	5:11:02
F25-29	115	41:58	3:13:09	2:27:02	6:33:34	6:27:13	4:31:19
F30-34	68	41:00	3:02:52	2:18:47	6:12:35	6:12:38	4:45:24
F35-39	48	43:33	3:05:43	2:27:27	6:28:01	6:14:50	4:58:58
F40-44	52	44:29	3:07:09	2:29:18	6:32:00	6:26:42	4:41:54
F45-49	31	43:14	3:06:08	2:30:19	6:30:26	6:14:27	5:13:03
F50-54	30	45:00	3:08:09	2:35:02	6:40:14	6:53:50	5:10:23
F55-59	20	43:46	3:03:54	2:35:04	6:34:03	6:51:19	5:06:39
F60-64	14	44:04	3:12:22	2:48:06	6:56:40	6:54:08	5:23:28
F65-69	3	41:05	2:59:28	2:17:23	6:06:05	6:08:11	5:43:21
F75-79	1	50:05	3:17:54	3:06:27	7:25:39	7:25:39	7:25:39

Finish time distribution

<4:15–4:302.8%

4:30–4:452.7%

4:45–5:004.8%

5:00–5:155.6%

5:15–5:307.5%

5:30–5:458.5%

5:45–6:009.2%

6:00–6:159.8%

6:15–6:308.0%

6:30–6:459.1%

6:45–7:007.5%

7:00–7:157.5%

7:15–7:305.3%

7:30–7:454.2%

7:45–8:003.1%

8:00–8:152.8%

8:15–8:301.7%

Full IRONMAN 70.3 Boulder 2025 results · Average IRONMAN 70.3 time across all races · Which race is hardest?

IRONMAN 70.3 Boulder 2025

Average swim, bike and run times

Average time by age group

Finish time distribution

More IRONMAN Americas races