Colorado Marathon

Registration Open
Fort Collins, CO, United States
May 3, 2026 at 6:30 AM

The Lowdown

The Colorado Marathon in Fort Collins is a scenic Spring marathon with courses through Poudre Canyon and into downtown Fort Collins. It also includes a half-marathon, 10K, and 5K. Many runners target this downhill course for fast times and Boston qualifiers.

Race Day

Weather Forecast

spring
mild

Elevation

Terrain Profile

⛰️

Relatively flat course

Participants

Field Size

👥
2,000RUNNERS

Medium-sized race

Crowd Rating

Spectator Support

👏
6/ 10

Good crowd energy

Boston Qualifier

This race is a certified Boston Marathon qualifying event. Achieve your qualifying standard here on a verified course.

Course Highlights
1

Poudre River Canyon, Old Town Fort Collins, Cache la Poudre River scenic stretches.

Race Weekend

Other distances available during the event weekend:

5K (3.1 miles / 5 km)
10K (6.2 miles / 10 km)
Half Marathon (13.1 miles / 21.1 km)
Destination

Fort Collins, CO, United States

US

Est. Hotel Cost
$200/ night

Average rate for 3-star accommodations near the start line

Minimum Age
18years
Time Limit
6 hours

Eligibility

  • Minimum age 18 on race day to register for the full marathon
  • Runners aged 16–17 may participate in the full marathon only with a signed parent/guardian consent form and race director approval
  • Valid government-issued photo ID required at packet pickup
  • Official race bib must be worn and visible at all times; bib transfers are prohibited unless approved in writing by race management prior to packet pickup
  • Race cutoff time 6 hours 30 minutes from gun time (participants not meeting pace may be removed from course)
  • Wheelchair and handcycle athletes must register in the appropriate division and notify race organizers in advance
  • No pets or baby strollers allowed on the marathon course
  • Medical clearance recommended for participants with pre-existing conditions; carry personal medical information on race day
  • No race-day refunds; deferral, bib transfer, or charity options handled per race policy and deadlines posted on the official website
  • All participants must follow race rules, directions from officials and volunteers, and local/state laws while on course

Required Documents

  • Valid ID at packet pickup

Entry Methods

  • Online registration via RunSignUp.

Cancellation & Refund Policy

No refunds or transfers; entries are non-transferable.

Packet pickup is required at the Pre-Race Expo unless race-morning pickup is purchased.

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Community

Stories, tips, and race-day snapshots from runners who have tackled this course.

Community Reviews

Learn from fellow runners and share insights that will help the next person toe the line.