Running Races in Fort Collins, Colorado

Racing in Fort Collins: what the calendar looks like

There are 12 upcoming races on the Fort Collins calendar over the next 12 months, with race dates in 8 of the next 12 months. Among complete calendar months, November 2026 has the most listed races, with 4. By race count, Fort Collins ranks 5th among Colorado cities.

Of those, 7 offer a 5K, 2 offer a 1 Mile and 2 offer a Half Marathon. The next marathon on the calendar is The Colorado Marathon on May 2. The next half marathon is Horsetooth Half Marathon - Presented by Fort Collins Connexion on April 18. Where fees are published, the median entry in Fort Collins is $29, close to the Colorado median of $30.

Close enough for a race-day drive: Estes Park (8 races, 27 miles).

Races by month

• Oct 20261 race
• Nov 20264 races
• Dec 20262 races
• Mar 20271 race
• Apr 20271 race
• May 20271 race
• Jun 20271 race
• Aug 20271 race

Where to stay in Fort Collins

Race-weekend hotel search, dates prefilled for check-in the night before.

• Nov 7Colorado 24 Hour RunFind hotels for this race weekend
• Apr 18Horsetooth Half Marathon - Presented by Fort Collins ConnexionFind hotels for this race weekend
• May 2The Colorado MarathonFind hotels for this race weekend

Hotel links are affiliate links. Booking through them costs you nothing extra and helps keep RunRace USA free.

Planning a race

• Getting inlotteries, qualifiers, and how entry works for the races that sell out
• Lottery watchwhich race lotteries and registration windows are open right now
• Choosing a first marathona practical guide to picking a debut race

All Colorado races · Browse by state