Races & Fun Runs · Boulder
Memorial Day 10K, with waves for walkers and families and a stadium finish at Folsom Field.
#10K#memorial-day
Hours, prices and programs change seasonally — check the official site before you go. Own or run this business? Claim or update this listing.
Photo: Denver Colfax MarathonDenver
Spring race weekend with a 5K and kids' races alongside the marathon.
Photo: Rocky Mountain Road RunnersDenver (Washington & City Parks)
Long-running club putting on low-key, affordable 5Ks in city parks most months.
Lafayette
Play-based learning museum with pretend play, building zones and science exhibits for younger kids.
Photo: Bounce EmpireLafayette
Indoor amusement park packed with inflatables, slides and obstacle courses. Popular for parties.
Boulder
Boulder's professional company and school, with youth classes and a holiday Nutcracker.
