smilzo
IRONMAN 70.3

IRONMAN 70.3 Boulder 2023

1.931 km swim · 89.9462 km bike · 21.0824 km run

Official results Age-group thresholds All editions
Finishers
1,429
97 did not finish or were disqualified
Best swim
23:29
1.931 km
Best bike
1:53:11
89.9462 km
Best run
1:09:27
21.0824 km
Men's podium
  1. 1 Bib 2US · MPRO 3:33:23
  2. 2 Bib 4CA · MPRO 3:38:13
  3. 3 Bib 3US · MPRO 3:38:14
Women's podium
  1. 1 Bib 60US · FPRO 3:56:34
  2. 2 Bib 62GB · FPRO 4:04:39
  3. 3 Bib 61ZA · FPRO 4:05:26

1,560 results · page 1 of 16

Pos Athlete AG AG pos Swim T1 Bike T2 Run Finish
1 Bib 2 US MPRO 1 25:48 1:26 1:53:11 1:08 1:11:50 3:33:23
2 Bib 4 CA MPRO 2 25:51 1:31 1:57:00 1:09 1:12:42 3:38:13
3 Bib 3 US MPRO 3 25:49 1:43 1:56:50 1:07 1:12:46 3:38:14
4 Bib 7 MX MPRO 4 24:25 1:49 2:02:19 1:22 1:09:27 3:39:23
5 Bib 1 CA MPRO 5 23:31 1:31 1:59:21 1:05 1:14:07 3:39:35
6 Bib 20 US MPRO 6 25:48 1:40 2:00:45 1:11 1:13:28 3:42:52
7 Bib 19 CA MPRO 7 25:49 1:45 1:59:17 1:42 1:14:37 3:43:12
8 Bib 15 US MPRO 8 24:13 1:53 2:04:19 1:30 1:11:46 3:43:43
9 Bib 10 AU MPRO 9 23:31 1:42 2:04:27 1:12 1:14:28 3:45:21
10 Bib 11 US MPRO 10 25:48 1:43 2:00:39 1:24 1:19:13 3:48:47
11 Bib 12 US MPRO 11 25:05 1:57 2:01:12 1:44 1:18:59 3:48:56
12 Bib 24 US MPRO 12 29:01 1:47 2:00:31 1:14 1:17:25 3:49:58
13 Bib 14 US MPRO 13 25:07 1:28 2:01:39 1:10 1:20:59 3:50:23
14 Bib 21 NZ MPRO 14 25:05 1:32 2:01:58 1:16 1:21:43 3:51:33
15 Bib 17 US MPRO 15 25:46 1:56 2:04:45 1:19 1:18:04 3:51:50
16 Bib 41 US MPRO 16 27:15 1:42 2:05:20 1:18 1:16:36 3:52:11
17 Bib 38 CA MPRO 17 27:54 1:49 2:04:33 1:21 1:17:39 3:53:15
18 Bib 23 US MPRO 18 25:51 1:42 2:06:56 1:29 1:18:11 3:54:09
19 Bib 39 US MPRO 19 24:56 2:01 2:05:45 1:55 1:19:58 3:54:34
20 Bib 25 US MPRO 20 27:17 2:05 2:05:00 1:29 1:19:12 3:55:03
21 Bib 60 US FPRO 1 24:53 2:03 2:06:08 1:05 1:22:24 3:56:34
22 Bib 42 US MPRO 21 27:31 1:43 2:06:28 1:32 1:19:38 3:56:51
23 Bib 22 MX MPRO 22 27:27 1:37 2:11:54 1:21 1:14:52 3:57:12
24 Bib 1111 DE M18-24 1 24:21 1:38 2:06:27 1:35 1:25:43 3:59:44
25 Bib 482 US M25-29 1 24:10 1:52 2:06:12 1:31 1:27:36 4:01:21
26 Bib 27 US MPRO 23 24:23 2:07 2:12:12 1:49 1:21:47 4:02:17
27 Bib 28 CA MPRO 24 27:42 1:59 2:08:58 1:46 1:22:32 4:02:58
28 Bib 37 US MPRO 25 23:29 1:37 2:03:41 1:20 1:33:24 4:03:30
29 Bib 48 US MPRO 26 25:44 1:36 2:06:51 1:28 1:28:28 4:04:06
30 Bib 62 GB FPRO 2 26:42 1:53 2:11:06 1:24 1:23:34 4:04:39
31 Bib 44 US MPRO 27 24:10 1:42 2:09:01 1:16 1:29:05 4:05:15
32 Bib 1214 US M30-34 1 29:37 2:05 2:12:37 1:28 1:19:30 4:05:17
33 Bib 61 ZA FPRO 3 27:00 1:43 2:14:57 1:18 1:20:28 4:05:26
34 Bib 29 US MPRO 28 30:38 1:56 2:12:08 1:46 1:19:58 4:06:25
35 Bib 45 US MPRO 29 27:34 2:07 2:09:36 2:01 1:25:24 4:06:42
36 Bib 272 US M25-29 2 28:30 1:45 2:12:41 1:15 1:23:30 4:07:40
37 Bib 1510 US M30-34 2 31:48 3:55 2:03:09 2:10 1:26:48 4:07:51
38 Bib 13 US MPRO 30 27:55 1:45 2:00:01 1:36 1:36:45 4:08:02
39 Bib 567 BR M25-29 3 29:11 1:53 2:13:06 1:18 1:23:10 4:08:38
40 Bib 175 US M25-29 4 26:52 2:08 2:14:07 1:46 1:25:09 4:10:03
41 Bib 49 HU MPRO 31 24:16 1:45 2:14:41 1:17 1:28:19 4:10:18
42 Bib 324 US M25-29 5 24:08 2:38 2:18:47 1:26 1:23:40 4:10:40
43 Bib 211 US M25-29 6 29:21 3:12 2:14:12 1:34 1:22:45 4:11:04
44 Bib 64 US FPRO 4 28:02 2:16 2:17:43 1:39 1:23:18 4:12:57
45 Bib 36 US MPRO 32 25:45 1:59 2:10:34 1:50 1:32:54 4:13:02
46 Bib 599 US M30-34 3 30:46 3:19 2:16:05 2:05 1:20:54 4:13:09
47 Bib 43 US MPRO 33 27:22 1:49 2:14:55 2:21 1:27:21 4:13:48
48 Bib 1166 US M25-29 7 27:16 1:55 2:18:08 1:24 1:25:36 4:14:17
49 Bib 1329 US M25-29 8 29:26 2:28 2:16:13 1:46 1:24:41 4:14:35
50 Bib 31 US MPRO 34 25:53 1:59 2:06:37 1:56 1:38:24 4:14:49
51 Bib 75 US FPRO 5 30:52 2:12 2:19:32 1:26 1:21:17 4:15:20
52 Bib 70 US FPRO 6 30:50 2:18 2:15:21 1:27 1:25:49 4:15:44
53 Bib 1262 US M25-29 9 28:38 3:03 2:10:28 2:16 1:31:44 4:16:10
54 Bib 78 NZ FPRO 7 27:50 1:44 2:17:20 1:34 1:27:51 4:16:19
55 Bib 1516 US M35-39 1 33:39 3:13 2:14:32 1:40 1:24:50 4:17:54
56 Bib 65 US FPRO 8 24:48 1:57 2:15:35 1:26 1:34:34 4:18:20
57 Bib 47 US MPRO 35 37:52 2:21 2:05:27 1:24 1:31:25 4:18:30
58 Bib 67 US FPRO 9 29:14 1:51 2:22:49 1:31 1:23:28 4:18:52
59 Bib 222 US M50-54 1 31:49 2:20 2:17:38 1:26 1:25:52 4:19:05
60 Bib 162 GB M35-39 2 29:58 2:39 2:18:26 1:25 1:26:57 4:19:26
61 Bib 209 US M40-44 1 28:07 2:43 2:10:12 2:14 1:36:25 4:19:42
62 Bib 1245 US M45-49 1 27:49 2:12 2:18:38 1:43 1:30:01 4:20:23
63 Bib 294 US M35-39 3 31:15 2:52 2:18:23 1:27 1:26:43 4:20:39
64 Bib 460 US M30-34 4 33:04 2:53 2:15:46 1:42 1:27:20 4:20:44
65 Bib 224 US M35-39 4 33:01 2:31 2:14:28 2:07 1:29:30 4:21:38
66 Bib 217 US M45-49 2 31:24 3:11 2:12:01 1:30 1:33:34 4:21:39
67 Bib 69 US FPRO 10 30:51 2:07 2:20:50 1:30 1:26:29 4:21:47
68 Bib 1595 US M35-39 5 35:37 3:04 2:17:42 1:52 1:23:47 4:22:02
69 Bib 1016 US M25-29 10 30:15 2:24 2:16:53 1:56 1:30:45 4:22:13
70 Bib 34 CO MPRO 36 30:28 2:03 2:10:38 2:51 1:36:17 4:22:18
71 Bib 387 IN M40-44 2 31:39 3:54 2:20:30 3:19 1:22:58 4:22:19
72 Bib 1015 US M25-29 11 29:02 2:17 2:21:07 1:24 1:28:43 4:22:33
73 Bib 228 PL M45-49 3 34:00 2:31 2:11:28 2:53 1:32:07 4:22:59
74 Bib 683 US M18-24 2 25:56 2:11 2:10:25 1:49 1:42:45 4:23:06
75 Bib 1144 US M45-49 4 35:18 2:25 2:12:22 2:16 1:30:56 4:23:16
76 Bib 271 US M45-49 5 31:17 3:27 2:17:32 2:01 1:29:05 4:23:22
77 Bib 1434 US M40-44 3 30:57 2:08 2:19:01 2:33 1:29:30 4:24:09
78 Bib 1223 US M18-24 3 34:50 3:18 2:15:57 1:15 1:29:08 4:24:26
79 Bib 68 US FPRO 11 26:23 1:55 2:21:00 1:29 1:34:03 4:24:50
80 Bib 82 US FPRO 12 27:56 2:02 2:21:04 1:14 1:32:48 4:25:03
81 Bib 1561 US M35-39 6 33:09 3:42 2:16:19 2:06 1:30:22 4:25:37
82 Bib 815 US M25-29 12 33:51 3:24 2:15:32 2:43 1:30:16 4:25:47
83 Bib 734 MX M30-34 5 31:15 2:51 2:23:57 1:26 1:27:54 4:27:21
84 Bib 1588 US M30-34 6 31:59 2:34 2:18:04 2:17 1:32:55 4:27:49
85 Bib 161 US M35-39 7 33:17 3:18 2:18:35 1:48 1:31:01 4:27:59
86 Bib 226 US M30-34 7 33:34 2:19 2:15:17 1:55 1:35:19 4:28:23
87 Bib 305 US M40-44 4 31:26 2:41 2:22:35 1:43 1:31:26 4:29:51
88 Bib 553 US M50-54 2 32:36 3:31 2:20:44 1:55 1:31:10 4:29:57
89 Bib 245 US M45-49 6 34:32 2:04 2:11:56 1:43 1:40:18 4:30:34
90 Bib 153 US M25-29 13 32:08 3:12 2:25:10 1:43 1:28:53 4:31:07
91 Bib 247 US M30-34 8 29:56 2:36 2:30:15 1:32 1:26:51 4:31:10
92 Bib 1473 US M30-34 9 29:59 2:33 2:27:48 2:03 1:28:53 4:31:16
93 Bib 244 US M45-49 7 34:48 2:54 2:20:21 2:21 1:31:20 4:31:44
94 Bib 270 US M40-44 5 29:30 2:45 2:20:02 3:05 1:36:24 4:31:46
95 Bib 613 US M35-39 8 39:09 3:15 2:19:45 2:20 1:27:20 4:31:49
96 Bib 1564 NZ M30-34 10 32:44 3:17 2:14:13 2:26 1:39:17 4:31:56
97 Bib 269 US M35-39 9 28:13 2:38 2:22:05 1:58 1:37:21 4:32:15
98 Bib 219 MX M40-44 6 36:38 3:02 2:21:49 2:09 1:28:46 4:32:24
99 Bib 1169 US M40-44 7 39:39 2:26 2:12:43 1:56 1:35:50 4:32:33
100 Bib 1397 US M60-64 1 27:28 2:25 2:18:39 2:20 1:41:44 4:32:36

Anonymised data (no names, only bib and age group). Source: Seffrin et al. 2026, Zenodo, CC BY 4.0.