Boulder Rez Marathon, 3/4 Marathon, Half Marathon, 10K 2018

  • Running : Half Marathon :
  • Running : 5K :
  • Running : Military :
  • Running : Marathon :
  • Running : 10K :

Race Date: Sunday, October 7, 2018


Location: Boulder Reservoir

Address: 5565 N 51st St.

City: Boulder

State/Terr: Colorado

Zip: 80301

Country: USA

Race Website:


The Boulder Rez Marathon is Boulder’s biggest marathon due to its early October date, which brings out the best running temperatures of the year. This popular course will take you around the Rez on some awesome single tracks, a packed-dirt trail on the dam, and paved Reservoir Roads. This race will sell out at 1,000 participants, so register early to guarantee a spot in the race!

Event details and schedule


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