2027 Denver Colfax Marathon with Project Sunshine!

May 15-16, 2027

Project Sunshine is proud to be an official charity partner of the Denver Colfax Marathon! Through this partnership, we are thrilled to provide Team Project Sunshine runners the opportunity to spread the healing power of play to pediatric patients and families with every mile.

There’s an option for every age, ability, and endurance level!

  • Full marathon: 26.2-mile tour through Denver, and a Boston Marathon qualifier

  • Marathon relay: a team of 5 completes the marathon course together, each leg between 4.5-6 miles

  • Half-marathon: includes a Zoo Mile where you get to run alongside your favorite Denver Zoo animals!

  • Pet-friendly 5K: all ages welcome, and bring your puppy too! A great pre-race warm-up for half and full marathoners.

    • Through the Fly Fleet program, any child facing medical challenges can register for free!

Team Project Sunshine runners receive:

  • A guaranteed slot in the race(s) of their choice. Registration through the Denver Colfax Marathon is required.
  • Ongoing fundraising support from Project Sunshine staff, including a personalized fundraising page and a fundraising toolkit
  • Official Team Project Sunshine swag
  • Access to team-building opportunities and exclusive Project Sunshine events

Team Project Sunshine runners will:

  • Commit to reaching their fundraising goal by race weekend. Every dollar you raise brings play, joy, and connection to a child in need.
    • Full marathon: $2,600 per runner
    • Marathon relay: $2,600 minimum per team (5 runners)
    • Half-marathon: $1,300 minimum per runner
    • 5K: $500 per runner or family
  • Share with your friends, family, and network about your participation on Team Project Sunshine via social media, email, and conversations
  • Have the race experience of a lifetime at the largest marathon weekend in The Rockies!

Interested in joining Team Project Sunshine?

Great! You can register for the race today! When prompted for your “Charity Partner,” select “Project Sunshine!”

Already registered? Don’t worry. Email Anna (acostantini@projectsunshine.org), and we’ll get you assigned to Team Project Sunshine.

Questions? Reach out to acostantini@projectsunshine.org.