Registration for Boulderthon 2023 is now open! After nearly tripling in size and selling out last year, Boulderthon has instituted a new 5,000 runner cap and is expected to sell out again this year. Register today.
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Sign up to volunteer today!

Every great marathon has an incredible team of volunteers behind the scenes making it all happen!

Volunteers will receive:

  1. Official Boulderthon Long-Sleeve Volunteer Shirt
  2. 50% discount off the next Boulderthon
  3. Opportunity for Branding an Aid Station *for groups 15 or larger
  4. Goodie Bag
  5. Community service hours (if applicable)
  6. Opportunity to provide critical support and cheer on runners!

Our Volunteer Coordinator will be in touch via email with your shift time and details.