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IRONMAN 70.3

IRONMAN 70.3 Bolton 2021

1.9 km swim · 89.0 km bike · 20.7 km run

Official results Age-group thresholds All editions
Finishers
906
54 did not finish or were disqualified
Best swim
24:42
1.9 km
Best bike
2:20:36
89.0 km
Best run
1:17:22
20.7 km
Men's podium
  1. 1 Bib 105GB · MPRO 4:11:54
  2. 2 Bib 116GB · M40-44 4:18:26
  3. 3 Bib 112GB · M35-39 4:19:52
Women's podium
  1. 1 Bib 176GB · F40-44 4:53:38
  2. 2 Bib 315GB · F25-29 5:01:46
  3. 3 Bib 312GB · F25-29 5:06:00

1,154 results · page 1 of 12

Pos Athlete AG AG pos Swim T1 Bike T2 Run Finish
1 Bib 105 GB MPRO 1 24:44 2:41 2:22:44 2:02 1:19:44 4:11:54
2 Bib 116 GB M40-44 1 24:42 2:46 2:26:46 1:39 1:22:33 4:18:26
3 Bib 112 GB M35-39 1 30:20 3:11 2:20:36 1:47 1:23:58 4:19:52
4 Bib 477 GB M18-24 1 25:15 2:45 2:29:19 1:31 1:24:30 4:23:21
5 Bib 605 GB M30-34 1 28:28 2:53 2:30:48 1:41 1:20:38 4:24:27
6 Bib 721 ES M30-34 2 29:22 2:53 2:32:09 2:42 1:17:51 4:24:58
7 Bib 595 GB M25-29 1 26:23 2:51 2:28:22 1:54 1:25:53 4:25:23
8 Bib 142 GB M30-34 3 27:14 2:50 2:30:59 1:37 1:23:25 4:26:05
9 Bib 190 GB M30-34 4 31:01 4:03 2:32:11 1:45 1:24:06 4:33:06
10 Bib 479 GB M18-24 2 25:37 2:38 2:40:28 1:45 1:22:42 4:33:09
11 Bib 106 GB M30-34 5 33:04 4:20 2:34:08 1:39 1:20:44 4:33:55
12 Bib 799 GB M35-39 2 27:31 2:56 2:31:39 1:42 1:30:30 4:34:18
13 Bib 596 GB M25-29 2 28:55 5:35 2:44:23 1:46 1:17:22 4:38:01
14 Bib 727 GB M30-34 6 29:02 4:14 2:42:08 1:46 1:24:35 4:41:45
15 Bib 187 GB M30-34 7 31:19 4:05 2:39:03 1:23 1:27:01 4:42:51
16 Bib 147 GB M35-39 3 31:56 3:53 2:38:13 1:32 1:27:44 4:43:17
17 Bib 122 GB M50-54 1 32:38 3:56 2:38:38 3:30 1:25:20 4:44:02
18 Bib 505 FR M18-24 3 24:59 3:19 2:44:48 1:47 1:29:33 4:44:25
19 Bib 689 NZ M30-34 8 32:31 3:51 2:36:36 2:00 1:29:32 4:44:29
20 Bib 140 GB M25-29 3 26:41 3:16 2:48:17 1:55 1:26:14 4:46:23
21 Bib 1172 GB M50-54 2 32:37 3:08 2:41:02 1:55 1:28:28 4:47:11
22 Bib 647 GB M30-34 9 33:37 4:15 2:37:54 2:40 1:29:04 4:47:30
23 Bib 121 GB M50-54 3 30:51 3:24 2:42:57 2:26 1:30:29 4:50:08
24 Bib 494 GB M18-24 4 32:25 4:09 2:37:01 2:00 1:34:54 4:50:28
25 Bib 1304 IE M30-34 10 34:55 5:07 2:43:52 2:30 1:24:08 4:50:31
26 Bib 107 GB M30-34 11 31:13 3:15 2:45:07 1:53 1:29:48 4:51:16
27 Bib 110 GB M30-34 12 29:16 3:36 2:41:13 2:01 1:35:12 4:51:18
28 Bib 117 GB M50-54 4 36:29 4:40 2:43:03 1:53 1:26:12 4:52:17
28 Bib 196 GB M40-44 2 34:19 4:41 2:38:49 2:06 1:32:22 4:52:17
30 Bib 748 IE M35-39 4 28:58 3:14 2:45:23 1:28 1:33:18 4:52:22
31 Bib 141 GB M25-29 4 34:26 3:36 2:39:03 1:56 1:34:36 4:53:36
32 Bib 176 GB F40-44 1 32:18 4:31 2:47:00 2:47 1:27:03 4:53:38
33 Bib 576 GB M25-29 5 31:12 3:59 2:39:34 2:51 1:36:12 4:53:48
34 Bib 1320 GB M55-59 1 31:55 4:27 2:42:49 2:24 1:32:35 4:54:10
35 Bib 560 GB M25-29 6 30:59 4:17 2:46:41 2:42 1:29:43 4:54:22
36 Bib 1176 GB M50-54 5 31:32 3:52 2:42:56 2:20 1:34:12 4:54:52
37 Bib 177 GB M30-34 13 33:58 3:05 2:42:50 2:00 1:33:27 4:55:20
38 Bib 146 GB M35-39 5 32:45 4:57 2:45:58 2:58 1:30:04 4:56:42
39 Bib 900 GB M40-44 3 29:48 3:37 2:45:25 3:17 1:35:56 4:58:02
40 Bib 520 GB M25-29 7 34:28 5:59 2:45:34 2:39 1:29:29 4:58:09
41 Bib 170 GB M55-59 2 31:54 4:36 2:47:01 2:08 1:32:40 4:58:19
42 Bib 265 GB M18-24 5 26:31 2:58 2:33:27 2:40 1:54:02 4:59:39
43 Bib 502 RU M18-24 6 29:08 3:12 2:50:54 1:59 1:34:56 5:00:09
44 Bib 812 GB M35-39 6 30:29 3:49 2:46:40 3:47 1:35:45 5:00:30
45 Bib 1313 IT M25-29 8 33:05 5:10 2:48:06 2:40 1:32:14 5:01:14
46 Bib 315 GB F25-29 1 26:33 3:47 2:56:30 2:06 1:32:50 5:01:46
47 Bib 1010 GB M40-44 4 40:34 4:05 2:38:26 1:42 1:37:04 5:01:51
48 Bib 281 GB M30-34 14 34:44 3:48 2:46:47 2:26 1:34:22 5:02:07
49 Bib 807 GB M35-39 7 27:24 4:37 2:45:40 2:19 1:42:38 5:02:39
50 Bib 1177 GB M50-54 6 40:02 3:39 2:44:15 1:34 1:33:13 5:02:43
51 Bib 754 GB M35-39 8 33:21 5:11 2:48:37 2:01 1:33:51 5:03:00
52 Bib 507 GB M18-24 7 34:29 5:54 2:45:27 2:25 1:34:53 5:03:09
53 Bib 702 GB M30-34 15 37:26 3:49 2:43:48 2:44 1:35:34 5:03:21
54 Bib 109 GB M30-34 16 33:02 3:53 2:42:39 2:29 1:41:24 5:03:27
55 Bib 119 GB M50-54 7 36:58 3:25 2:46:09 2:26 1:34:35 5:03:32
56 Bib 634 GB M30-34 17 33:56 5:30 2:47:14 4:15 1:33:10 5:04:05
57 Bib 671 GB M30-34 18 33:12 4:03 2:47:05 3:34 1:36:37 5:04:32
58 Bib 1073 GB M45-49 1 32:25 4:29 2:49:41 2:37 1:36:11 5:05:23
59 Bib 512 GB M25-29 9 34:02 3:58 2:46:20 2:02 1:39:16 5:05:37
60 Bib 856 GB M35-39 9 30:53 5:29 2:50:29 2:48 1:36:05 5:05:45
61 Bib 1262 GB M55-59 3 35:34 3:37 2:51:55 2:15 1:32:24 5:05:46
62 Bib 312 GB F25-29 2 33:05 3:46 2:55:38 2:16 1:31:15 5:06:00
63 Bib 791 GB M35-39 10 35:46 5:17 2:49:02 2:37 1:34:09 5:06:52
64 Bib 631 GB M30-34 19 31:25 5:27 2:48:54 3:31 1:37:59 5:07:17
65 Bib 243 GB M40-44 5 34:55 4:18 2:47:46 1:43 1:38:46 5:07:28
66 Bib 1126 GB M45-49 2 33:59 4:25 2:51:05 4:00 1:35:08 5:08:38
67 Bib 118 GB M50-54 8 32:24 4:16 2:47:07 1:55 1:43:19 5:09:01
68 Bib 697 ES M30-34 20 37:42 6:08 2:48:04 2:10 1:35:01 5:09:04
69 Bib 158 GB M50-54 9 36:33 4:51 2:48:54 1:50 1:37:02 5:09:11
70 Bib 1046 GB M45-49 3 37:45 5:39 2:46:01 4:10 1:35:52 5:09:27
71 Bib 1008 GB M40-44 6 31:29 4:56 2:49:44 3:38 1:40:12 5:09:59
72 Bib 473 GB M18-24 8 33:26 5:52 2:53:56 2:15 1:34:57 5:10:26
73 Bib 523 GB M25-29 10 39:45 4:37 2:55:24 3:18 1:27:48 5:10:50
73 Bib 661 GB M30-34 21 37:44 6:20 2:41:05 3:23 1:42:18 5:10:50
75 Bib 132 GB F18-24 1 26:39 3:27 3:02:01 3:31 1:36:01 5:11:39
76 Bib 492 GB M18-24 9 29:03 4:46 2:50:15 2:15 1:45:26 5:11:46
77 Bib 198 GB M45-49 4 35:12 4:34 2:47:15 2:41 1:42:14 5:11:56
78 Bib 1138 GB M45-49 5 40:47 5:13 2:37:13 2:09 1:47:07 5:12:30
79 Bib 1069 GB M45-49 6 33:02 5:15 2:47:30 3:20 1:43:28 5:12:35
80 Bib 620 GB M30-34 22 31:59 5:45 2:50:06 3:40 1:41:08 5:12:39
81 Bib 561 GB M25-29 11 36:42 4:15 2:48:40 3:27 1:39:41 5:12:44
82 Bib 101 GB F30-34 1 32:09 3:23 3:01:18 1:40 1:34:25 5:12:56
83 Bib 556 GB M25-29 12 37:48 4:30 2:46:15 2:23 1:42:04 5:13:00
84 Bib 542 GB M25-29 13 29:49 5:08 2:46:02 3:06 1:49:02 5:13:07
85 Bib 886 GB M40-44 7 38:00 3:55 2:46:32 2:04 1:43:17 5:13:49
86 Bib 204 GB M45-49 7 35:36 5:15 2:47:57 4:32 1:40:32 5:13:52
87 Bib 488 GB M18-24 10 32:50 6:25 2:53:52 3:04 1:37:51 5:14:01
88 Bib 593 GB M25-29 14 29:08 4:18 2:52:33 4:24 1:44:11 5:14:34
89 Bib 680 GB M30-34 23 36:55 4:55 2:43:48 2:53 1:46:14 5:14:44
90 Bib 1042 GB M45-49 8 33:09 4:40 2:53:31 2:57 1:41:05 5:15:22
91 Bib 182 GB F45-49 1 32:56 3:13 2:54:21 2:15 1:42:37 5:15:23
92 Bib 144 GB M30-34 24 35:47 4:18 2:54:48 2:15 1:38:28 5:15:36
93 Bib 491 GB M18-24 11 39:14 5:43 2:49:11 2:30 1:39:17 5:15:54
94 Bib 480 GB M18-24 12 40:10 4:45 2:50:54 2:20 1:38:00 5:16:09
95 Bib 683 GB M30-34 25 33:40 6:42 2:54:12 2:53 1:39:03 5:16:29
96 Bib 124 GB F40-44 2 31:18 3:57 2:56:47 2:13 1:42:43 5:16:58
97 Bib 189 NZ M30-34 26 35:39 4:52 2:49:36 2:33 1:44:41 5:17:20
98 Bib 551 GB M25-29 15 29:16 5:48 2:56:49 2:33 1:43:04 5:17:30
99 Bib 1235 GB M50-54 10 33:59 5:27 2:56:05 3:07 1:38:59 5:17:36
100 Bib 960 GB M40-44 8 33:15 3:12 3:05:33 2:06 1:34:07 5:18:14

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