smilzo
IRONMAN 70.3

IRONMAN 70.3 Boulder 2021

1.931 km swim · 90.1263 km bike · 21.0824 km run

Official results Age-group thresholds All editions
Finishers
1,428
105 did not finish or were disqualified
Best swim
24:40
1.931 km
Best bike
1:54:50
90.1263 km
Best run
1:12:01
21.0824 km
Men's podium
  1. 1 Bib 2US · MPRO 3:37:35
  2. 2 Bib 3AU · MPRO 3:41:00
  3. 3 Bib 6US · MPRO 3:43:05
Women's podium
  1. 1 Bib 53GB · FPRO 3:59:54
  2. 2 Bib 78US · FPRO 4:02:20
  3. 3 Bib 56US · FPRO 4:02:32

1,568 results · page 12 of 16

Pos Athlete AG AG pos Swim T1 Bike T2 Run Finish
1101 Bib 1187 US F25-29 46 45:51 4:09 3:24:18 2:49 2:41:25 6:58:32
1102 Bib 1121 US F50-54 31 43:03 4:59 3:12:16 5:03 2:53:11 6:58:33
1103 Bib 131 US M70-74 3 44:38 10:48 3:07:59 3:45 2:51:24 6:58:34
1104 Bib 1384 US F50-54 32 36:32 8:05 3:28:30 7:58 2:37:40 6:58:46
1105 Bib 1310 US M18-24 21 39:05 6:07 3:08:29 4:01 3:01:21 6:59:02
1105 Bib 976 US M40-44 110 48:54 7:17 3:12:19 6:57 2:43:34 6:59:02
1107 Bib 1148 US M35-39 117 52:05 7:58 3:14:42 3:36 2:40:43 6:59:04
1108 Bib 1308 US F50-54 33 40:30 5:10 3:07:58 4:02 3:01:31 6:59:10
1109 Bib 1561 US F30-34 54 44:56 4:24 3:25:48 8:08 2:36:00 6:59:16
1110 Bib 704 US M40-44 111 46:57 5:25 3:02:48 6:41 2:57:26 6:59:17
1110 Bib 909 US F50-54 34 49:30 4:55 3:09:01 5:12 2:50:40 6:59:17
1112 Bib 567 US F50-54 35 39:26 5:12 3:16:03 8:17 2:50:27 6:59:25
1112 Bib 701 US F40-44 64 47:00 6:41 3:27:39 2:37 2:35:28 6:59:25
1114 Bib 823 US M50-54 91 55:35 5:10 3:10:24 4:43 2:43:35 6:59:27
1115 Bib 1441 US M30-34 120 51:44 6:52 3:20:50 6:57 2:33:09 6:59:32
1116 Bib 371 US M50-54 92 44:14 8:25 3:14:30 6:50 2:45:35 6:59:34
1117 Bib 1116 GT M30-34 121 58:04 7:29 3:00:19 6:03 2:47:40 6:59:35
1118 Bib 673 US F40-44 65 43:29 9:19 3:16:02 4:18 2:46:33 6:59:42
1119 Bib 681 US M40-44 112 49:01 4:46 3:11:02 3:58 2:51:21 7:00:08
1120 Bib 844 CR M40-44 113 47:29 6:06 3:11:20 4:50 2:51:00 7:00:46
1121 Bib 1068 US F40-44 66 41:17 5:36 3:31:53 5:53 2:36:11 7:00:52
1122 Bib 111 NZ F50-54 36 53:30 5:08 3:20:03 9:54 2:32:34 7:01:09
1123 Bib 510 US M55-59 53 50:31 5:27 3:05:35 5:46 2:53:51 7:01:10
1124 Bib 1271 US F30-34 55 34:53 5:45 3:13:04 5:21 3:02:13 7:01:15
1125 Bib 464 US M35-39 118 44:38 4:10 3:17:30 4:28 2:50:46 7:01:32
1126 Bib 466 US F40-44 67 43:59 5:46 3:43:08 7:53 2:21:03 7:01:48
1127 Bib 450 US F55-59 20 44:46 3:01 3:18:24 3:25 2:52:17 7:01:54
1128 Bib 1557 US M35-39 119 37:22 10:27 3:10:16 15:08 2:48:50 7:02:03
1129 Bib 151 US F60-64 11 45:32 5:30 3:17:28 8:28 2:45:06 7:02:04
1130 Bib 542 US F30-34 56 38:04 4:39 3:16:28 5:54 2:57:03 7:02:08
1131 Bib 534 US F60-64 12 43:14 5:30 3:14:43 4:39 2:54:22 7:02:27
1132 Bib 1296 US F30-34 57 45:03 12:50 3:45:49 5:29 2:13:27 7:02:39
1133 Bib 856 US M60-64 28 1:01:26 8:31 2:56:53 6:45 2:49:22 7:02:57
1134 Bib 971 US M40-44 114 43:45 5:09 3:32:28 5:09 2:36:50 7:03:20
1135 Bib 1058 US F50-54 37 49:42 5:57 3:28:54 5:42 2:33:06 7:03:22
1136 Bib 1278 US M40-44 115 59:08 6:28 3:26:10 8:40 2:22:56 7:03:23
1137 Bib 327 US M35-39 120 45:10 8:37 3:22:03 9:36 2:38:05 7:03:31
1138 Bib 1519 US F30-34 58 55:11 3:44 3:26:16 3:34 2:35:17 7:04:01
1139 Bib 1522 US M30-34 122 49:41 3:36 3:22:10 3:11 2:45:29 7:04:06
1140 Bib 850 US M70-74 4 50:04 5:51 3:16:41 4:36 2:46:58 7:04:09
1141 Bib 1539 US M35-39 121 44:41 5:59 3:18:42 5:40 2:49:10 7:04:12
1142 Bib 1041 US M35-39 122 1:00:18 6:23 3:43:27 4:59 2:09:06 7:04:13
1143 Bib 1109 US M18-24 22 40:01 9:45 3:21:36 10:46 2:42:36 7:04:44
1144 Bib 1108 US M45-49 85 40:37 9:13 3:22:05 10:15 2:42:38 7:04:48
1145 Bib 345 US M60-64 29 46:45 6:47 3:13:11 5:06 2:53:35 7:05:25
1146 Bib 437 US F55-59 21 49:02 4:08 3:17:29 4:42 2:50:17 7:05:38
1147 Bib 326 US M45-49 86 42:19 8:23 3:23:30 5:26 2:46:06 7:05:43
1148 Bib 237 US F55-59 22 44:07 10:13 3:28:58 6:33 2:36:12 7:06:03
1149 Bib 527 US M25-29 86 41:33 9:59 3:23:04 9:48 2:41:57 7:06:21
1150 Bib 1051 US M30-34 123 47:55 8:23 3:15:52 4:54 2:49:24 7:06:28
1151 Bib 456 US M40-44 116 40:52 3:41 3:28:25 3:56 2:49:41 7:06:35
1151 Bib 703 US M25-29 87 39:38 5:34 3:26:41 3:56 2:50:45 7:06:35
1153 Bib 1472 US F30-34 59 48:04 5:58 3:35:07 4:17 2:33:13 7:06:39
1154 Bib 252 US M40-44 117 39:12 8:59 3:08:53 9:28 3:00:20 7:06:52
1155 Bib 1358 US F35-39 60 49:02 9:58 3:39:12 9:09 2:21:26 7:08:48
1156 Bib 814 US F55-59 23 44:37 4:02 3:15:43 4:39 2:59:49 7:08:50
1157 Bib 1255 US F40-44 68 54:58 4:46 3:23:56 3:55 2:41:37 7:09:12
1158 Bib 759 US M25-29 88 51:52 5:15 3:25:42 5:09 2:41:15 7:09:14
1159 Bib 383 US F50-54 38 48:30 5:01 3:33:35 5:21 2:36:58 7:09:24
1160 Bib 1208 US F35-39 61 55:31 7:20 3:20:55 4:35 2:41:14 7:09:34
1161 Bib 1236 US M60-64 30 41:19 6:49 3:28:13 5:51 2:47:36 7:09:48
1162 Bib 1324 US M18-24 23 42:05 7:06 3:33:26 3:22 2:43:53 7:09:52
1163 Bib 434 US M50-54 93 58:59 5:33 3:21:06 3:04 2:41:18 7:10:01
1164 Bib 1374 US F50-54 39 49:30 6:04 3:28:17 7:14 2:39:00 7:10:05
1165 Bib 1150 US F25-29 47 49:19 7:11 3:30:35 5:11 2:37:53 7:10:08
1166 Bib 1145 US F40-44 69 55:44 5:01 3:34:56 5:02 2:29:56 7:10:39
1167 Bib 1329 US F25-29 48 39:21 5:23 3:24:47 4:20 2:56:56 7:10:47
1168 Bib 1195 US M50-54 94 41:31 7:27 3:26:10 4:32 2:51:08 7:10:48
1169 Bib 499 US M45-49 87 51:23 7:21 3:18:42 5:37 2:47:48 7:10:49
1170 Bib 1499 US M25-29 89 34:16 7:11 3:04:30 4:41 3:20:37 7:11:16
1171 Bib 1544 US M25-29 90 47:13 8:28 3:13:59 6:52 2:54:50 7:11:22
1172 Bib 734 US M50-54 95 1:03:01 4:46 3:23:01 3:52 2:36:47 7:11:27
1173 Bib 469 US F25-29 49 50:10 6:58 3:22:02 7:40 2:44:53 7:11:44
1174 Bib 709 US M25-29 91 59:41 9:56 3:32:13 8:56 2:21:17 7:12:03
1175 Bib 1548 US M50-54 96 45:40 14:12 3:27:05 8:16 2:36:53 7:12:05
1176 Bib 1552 US F18-24 9 45:49 14:12 3:27:03 8:16 2:36:53 7:12:13
1177 Bib 158 NL M55-59 54 47:17 3:33 3:14:28 3:35 3:03:31 7:12:23
1178 Bib 275 US M35-39 123 50:53 6:16 3:15:28 5:53 2:53:55 7:12:24
1179 Bib 1389 US F40-44 70 43:56 3:43 3:34:54 4:17 2:45:40 7:12:30
1179 Bib 543 US F55-59 24 45:48 5:26 3:24:05 4:55 2:52:15 7:12:30
1181 Bib 369 US M60-64 31 43:10 14:32 3:11:02 7:09 2:56:48 7:12:42
1182 Bib 307 US M50-54 97 37:22 5:22 3:29:58 4:06 2:56:32 7:13:20
1183 Bib 1305 US F30-34 60 55:07 6:38 3:28:20 4:57 2:38:27 7:13:30
1184 Bib 1484 US M45-49 88 48:08 9:30 3:26:42 5:27 2:44:06 7:13:53
1184 Bib 937 US F75-79 1 40:39 4:32 3:21:38 3:46 3:03:17 7:13:53
1186 Bib 1461 US M45-49 89 40:47 6:36 3:15:54 4:05 3:06:49 7:14:12
1187 Bib 343 US M30-34 124 37:32 5:41 3:06:16 4:10 3:20:41 7:14:19
1187 Bib 419 US F35-39 62 55:31 4:10 3:26:13 3:50 2:44:35 7:14:19
1189 Bib 1344 US F25-29 50 42:25 6:42 3:28:54 5:39 2:51:06 7:14:45
1190 Bib 1497 US F45-49 46 57:45 5:07 3:24:50 3:36 2:43:29 7:14:46
1191 Bib 1599 US F40-44 71 46:05 8:35 3:21:00 7:16 2:51:53 7:14:49
1192 Bib 1583 US F45-49 47 45:54 4:34 3:36:07 4:12 2:44:15 7:15:02
1193 Bib 1342 US M30-34 125 49:05 5:16 3:28:35 5:13 2:47:14 7:15:22
1194 Bib 943 US M25-29 92 45:07 8:35 3:07:35 9:08 3:05:04 7:15:28
1195 Bib 597 US M45-49 90 45:02 6:31 3:19:23 3:27 3:01:10 7:15:32
1196 Bib 481 US F60-64 13 52:16 7:54 3:20:12 8:09 2:47:14 7:15:45
1197 Bib 655 US F40-44 72 40:58 7:14 3:45:10 4:09 2:38:23 7:15:54
1198 Bib 776 US F25-29 51 54:19 4:51 3:33:58 4:46 2:38:10 7:16:04
1199 Bib 1140 US M25-29 93 51:14 9:15 3:18:21 5:54 2:51:20 7:16:05
1200 Bib 858 US F25-29 52 52:04 4:27 3:26:14 6:16 2:47:32 7:16:33

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