BROWSE ROUTE COLLECTIONS
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AtoZ Running Routes from Boulder, United States
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| ID | ROUTE | LOCALITY | COUNTRY | CREATED | USED FOR | DISTANCE (km) | ASCENT (m) | TERRAIN | VIEWS |
|---|---|---|---|---|---|---|---|---|---|
| 2154458 | *10 Boulder Mountain Mesa Trail (good) | Boulder | US | 2 years ago | Running | 16.055 | 778 | Off-Road | 10 |
| 2154460 | *6 Boulder Mesa Trail | Boulder | US | 2 years ago | Running | 9.688 | 632 | Off-Road | 7 |
| 351501 | ~16 Miles | Boulder | US | 8 years ago | Running | 25.363 | 1212 | Mixed | 25 |
| 1018274 | 01 FEB 20 (13.1 Mi - 1/2 Marathon!) The NCAR Run | Boulder | US | 5 years ago | Running | 21.309 | 304 | Off-Road | 35 |
| 329765 | 10 Mile | Boulder | US | 8 years ago | Running | 15.981 | 784 | Mixed | 15 |
| 520030 | 10 Mile Run | Boulder | US | 7 years ago | Running | 15.353 | 756 | Mixed | 29 |
| 547217 | 10 Miles Of Marshall Mesa | Boulder | US | 7 years ago | Running | 15.833 | 176 | Off-Road | 41 |
| 2822617 | 10.5 Miles Of Rez/Kelso/BVR | Boulder | US | 9 months ago | Running | 17.087 | 191 | Mixed | 14 |
| 331085 | 12 Mile Loop | Boulder | US | 8 years ago | Running | 19.786 | 943 | Mixed | 23 |
| 530526 | 12ish | Boulder | US | 7 years ago | Running | 19.823 | 156 | Mixed | 17 |
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| 332815 | 13 Miler | Boulder | US | 8 years ago | Running | 21.175 | 532 | Mixed | 19 |
| 1112285 | 13 Miles BVR/Rez/Lobo | Boulder | US | 5 years ago | Running | 21.318 | 269 | Mixed | 6 |
| 1466264 | 13 Miles From Kelso Road - Loop | Boulder | US | 4 years ago | Running | 20.803 | 257 | Mixed | 11 |
| 1070846 | 14.5 In Gunbarrel | Boulder | US | 5 years ago | Running | 23.184 | 148 | Road | 8 |
| 1029463 | 15 FEB 20 (Extended Costco Route) | Boulder | US | 5 years ago | Running | 28.949 | 340 | Road | 20 |
| 351275 | 16+ Miles | Boulder | US | 8 years ago | Running | 27.149 | 594 | Mixed | 25 |
| 1006719 | 18 JAN 20 (8 Mile) | Boulder | US | 5 years ago | Running | 6.447 | 44 | Off-Road | 23 |
| 974499 | 18 Miler With 15 Mile Out | Boulder | US | 5 years ago | Running | 29.201 | 315 | Road | 10 |
| 338021 | 18 Miles | Boulder | US | 8 years ago | Running | 28.883 | 1150 | Mixed | 17 |
| 974527 | 19 Miler Plus | Boulder | US | 5 years ago | Running | 31.621 | 298 | Road | 11 |
| 281518 | 20 Miler Figure 8 | Boulder | US | 9 years ago | Running | 32.368 | 230 | Mixed | 32 |
| 506344 | 2017 BeerRun GABF | Boulder | US | 7 years ago | Running | 56.592 | 460 | Road | 18 |
| 2407619 | 2023 Boulderthon Warmup | Boulder | US | 1 year ago | Running | 11.968 | 86 | Mixed | 3 |
| 2738667 | 2024 Boulderthon Half Marathon | Boulder | US | 1 year ago | Running | 21.096 | 143 | Road | 19 |
| 1035760 | 20w | Boulder | US | 5 years ago | Running | 32.298 | 673 | Mixed | 5 |
| 1009490 | 21 JAN 20 (3 Mile - Tempo) | Boulder | US | 5 years ago | Running | 3.097 | 24 | Off-Road | 12 |
| 1035257 | 22 FEB 20 (The Mesa Climb!) | Boulder | US | 5 years ago | Running | 32.298 | 1088 | Mixed | 35 |
| 346773 | 22 Miles | Boulder | US | 8 years ago | Running | 35.287 | 1264 | Mixed | 22 |
| 1880965 | 23 Mile Big Flatiron Loop | Boulder | US | 3 years ago | Running | 36.015 | 1135 | Mixed | 5 |
| 1971493 | 23rd Bday Extravaganza | Boulder | US | 3 years ago | Running | 37.017 | 1552 | Mixed | 7 |
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