Trail running

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161 trails in Boulder County with this feature, longest first (trails under a quarter mile are hidden).

• Niwot Mountain

  1.15 miGround918 ft climb one way (uphill as drawn)Mountain hiking

• Boulder-Grand Pass Trail

  1.15 miGround1,069 ft gainMountain hiking

• Coon Trail

  1.14 miDirt253 ft gainHiking

• Box-Eagle Lakes Route

  1.13 miGround421 ft gainMountain hiking

• Schoolbus Trail

  1.12 miDirt314 ft gainDifficulty unknown

• Prairie Vista Trail

  1.12 miGround189 ft climb one way (uphill as drawn)Difficulty unknown

• Foothills North Trail

  1.12 miDirt186 ft gainDifficulty unknown

• Kinnickinnick Loop

  1.11 miLoopDirt124 ft gainHiking

• Somerset Trail

  1.10 miFine gravel179 ft climb one way (uphill as drawn)Difficulty unknown

• Spring Brook Loop South Trail

  1.10 miDirt225 ft climb one way (uphill as drawn)Difficulty unknown

• Blue Dot

  1.09 miGround165 ft gainMountain hiking

• Crook's Nook

  1.09 miDirt59 ft gainDifficulty unknown

• Cobalt Trail

  1.06 miGround211 ft climb one way (uphill as drawn)Difficulty unknown

• Coon track

  1.06 miDirt776 ft climb one way (uphill as drawn)Difficulty unknown

• Rainbow Lakes Trail

  1.04 miGround254 ft gainMountain hiking

• South Boulder Creek West Trail

  1.04 miGround230 ft climb one way (downhill as drawn)Difficulty unknown

• Murder Horse

  1.03 miGround655 ft climb one way (downhill as drawn)Difficulty unknown

• Ridge Road Connecter

  1.03 miUnpaved114 ft gainHiking

• Cowdrey Draw Trail

  1.03 miDirt101 ft gainDifficulty unknown

• Lower Pixie Duff

  1.01 miDirt462 ft climb one way (downhill as drawn)Difficulty unknown

Data © OpenStreetMap contributors (ODbL); elevation from USGS 3DEP. Features can be missing or out of date.