| ID | ROUTE | LOCALITY | COUNTRY | CREATED | USED FOR | DISTANCE (km) | ASCENT (m) | TERRAIN | VIEWS |
|---|---|---|---|---|---|---|---|---|---|
| 1485027 | We Belong - More Trail | Lower Chautauqua | US | 5 years ago | Running | 32.890 | 605 | Mixed | 80 |
| 1485008 | We Belong - Mostly Paved | University Hill | US | 5 years ago | Running | 38.591 | 385 | Mixed | 51 |
| 1607140 | Leadville 100 - Twin Lakes, Mt. Hope, Winfield RT | Twin Lakes | US | 4 years ago | Running | 34.088 | 2035 | Off-Road | 49 |
| 2777488 | Denver Erie Longmont Superior Boulder | Denver | US | 1 year ago | Running | 193.311 | 3179 | Mixed | 49 |
| 1641333 | RMNP - Glacier Gorge And Emerald Lake And More | Estes Park | US | 4 years ago | Running | 46.224 | 2152 | Off-Road | 48 |
| 1671984 | Niwot Ridge And Sourdough Trail | Nederland | US | 4 years ago | Running | 26.793 | 917 | Off-Road | 47 |
| 1572985 | Bear Canyon And Green Mountain And Gregory Canyon | Devil's Thumb-Rolling Hill | US | 5 years ago | Running | 14.220 | 749 | Off-Road | 45 |
| 1607128 | Mt Elbert And Mt Cosgriff | Twin Lakes | US | 4 years ago | Running | 28.793 | 1951 | Off-Road | 44 |
| 2062625 | First And Last 13 Miles Of Leadville 100 | US | 3 years ago | Running | 20.960 | 230 | Mixed | 44 | |
| 1558457 | Green, Bear, & South Boulder Pks& Back Via Mesa Tr | University Hill | US | 5 years ago | Running | 25.439 | 1480 | Off-Road | 43 |
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ADVERT - Routes LrgLeader Middle
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| 1568598 | 2021 Benton Simkin And Friends Boulder On The Run | University Hill | US | 5 years ago | Running | 11.040 | 108 | Road | 41 |
| 2687266 | Denver Orbital And Marshall To Boulder | Boulder | US | 1 year ago | Running | 161.316 | 2521 | Mixed | 40 |
| 1630743 | Colorado Trail Segment 4 West From Windy Peak | Bailey | US | 4 years ago | Running | 51.944 | 1535 | Off-Road | 39 |
| 2046935 | Boulder Canyon, Chapman Drive, And Flagstaff Loop | Boulder | US | 3 years ago | Cycling | 20.047 | 510 | Mixed | 37 |
| 2474300 | Boulder To Ned Via Magnolia | Boulder | US | 2 years ago | Running | 44.509 | 1835 | Mixed | 37 |
| 2687288 | Marshall Coal Springbok S Boulder Ck | US | 1 year ago | Running | 81.731 | 1066 | Mixed | 36 | |
| 2777417 | High Line And Then Route 36 Bike Path | Littleton | US | 1 year ago | Running | 97.714 | 677 | Off-Road | 35 |
| 2203717 | Chapman Betasso Poorman | Boulder | US | 3 years ago | Running | 29.204 | 978 | Off-Road | 35 |
| 2218239 | Switzerland Trail From SugarLoaf | Sunset | US | 3 years ago | Running | 32.486 | 1102 | Off-Road | 34 |
| 2024777 | James Peak And Cont Divide From East Portal VB | US | 3 years ago | Running | 33.114 | 1612 | Off-Road | 34 | |
| 2759669 | Switzerland Trail And Sugarloaf | Sunset | US | 1 year ago | Running | 24.207 | 601 | Mixed | 33 |
| 2037136 | King, Bob, Betty, And Woodland Lakes From Hessie | Buckingham Campground | US | 3 years ago | Running | 33.052 | 1668 | Off-Road | 32 |
| 1630772 | Colorado Trail Segment 3+ East From Windy Peak | Bailey | US | 4 years ago | Running | 49.664 | 1364 | Mixed | 32 |
| 1607126 | Sanitas, Boulder Canyon, Chapman, Flagstaff | Boulder | US | 4 years ago | Running | 21.752 | 861 | Off-Road | 32 |
| 1757044 | 1st/2nd Flatirons | University Hill | US | 4 years ago | Walking | 3.413 | 480 | Mixed | 32 |
| 1784574 | Boulder Skyline S To N - Shanahan To Hogback | Devil's Thumb-Rolling Hill | US | 4 years ago | Running | 41.225 | 2399 | Off-Road | 31 |
| 2051045 | Dirty Bismarck | Marshall | US | 3 years ago | Running | 22.137 | 318 | Mixed | 31 |
| 2501040 | Loop Around Boulder | Boulder | US | 2 years ago | Running | 50.354 | 675 | Mixed | 31 |
| 2780060 | Denver To Boulder Plus Marshall Loops100 M+ Mod | Denver | US | 1 year ago | Running | 190.463 | 3683 | Mixed | 31 |
| 1935382 | Moffat Tunnel & Rollins Pass & Rogers Pass | US | 3 years ago | Running | 48.908 | 1771 | Off-Road | 30 | |