Running Races in Fort Collins, Colorado — 2026

There are 18 running races in Fort Collins, Colorado in 2026. The next is the Recovery Run of the Rockies 5K on September 5. Distances include 5K races, half marathons, marathons.

Recovery Run of the Rockies 5K

Sat, Sep 5 · Fort Collins, CO Fort Collins

Road 5K

From $30 Open Closing Soon

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T&H RSU TEMPLATE

Mon, Sep 7 · Fort Collins, CO Fort Collins

Open Closing Soon

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Healthy Kids Running Series Fall 2026 - Fort Collins, CO

Sun, Sep 13 · Fort Collins, CO Fort Collins

Road Single Day Walk Up Week 3PreK 2/3 Yr Old - 50 Yard DashPreK 4/5 Yr Old - 75 Yard Dash +21

From $15 Open Closing Soon

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Fall Equinox

Sun, Sep 20 · Fort Collins, CO Fort Collins

Virtual Virtual 5 Mile5 MileVirtual Half Marathon +1

From $50 Open

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Homecoming 5K - Colorado State University

Sat, Oct 3 · Fort Collins, CO Fort Collins

Virtual Virtual 5KHomecoming 5K5K CSU Alumni +2

From $25 Open Closing Soon

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Mustang Music 5K

Sat, Oct 3 · Fort Collins, CO Fort Collins

Road Kids Reverse Parade/Fun Run5K Run/WalkMustang Music ZEROK: Non-Participant T-Shirt Only

From $20 Closed

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OTILLO Swimrun Colorado

Sun, Oct 4 · Fort Collins, CO Fort Collins

Triathlon Experience TeamSprint SoloExperience Solo +3

From $70 Open

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The Long View Marathon

Sat, Oct 10 · Fort Collins, CO Fort Collins

Road The Long View 5kThe Long View Half MarathonThe Long View Marathon

From $35 Open

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The Moony Pride 5k

Sun, Oct 11 · Fort Collins, CO Fort Collins

Open

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Blue Sky Trail Marathon & Half Marathon

Sat, Oct 17 · Fort Collins, CO Fort Collins

Trail Blue Sky Trail Half MarathonBlue Sky Trail Marathon

From $90 Open

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Girls on the Run Northern Colorado Fall 5K presented by Sprouts Healthy Communities Foundation

Sun, Nov 1 · Fort Collins, CO Fort Collins

Road Girls on the Run Northern Colorado Fall 5K

From $29 Open

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Colorado 24 Hour Run

Sat, Nov 7 · Fort Collins, CO Fort Collins

Road 6 Hour Relay24 Hour12 Hour +3

From $90 Open

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Sweaty Sweater 5k

Sat, Dec 19 · Fort Collins, CO Fort Collins

Virtual Kids 1-MileVirtual 5kSweaty Sweater 5k

From $0 Closed

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Resolution Run - Fort Collins

Thu, Dec 31 · Fort Collins, CO Fort Collins

Road 5K

From $25 Closed

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Horsetooth Half Marathon - Presented by Fort Collins Connexion

Sun, Apr 18 · Fort Collins, CO Fort Collins

Road Half MarathonHalf Marathon

From $75 Open

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The Colorado Marathon

Sun, May 2 · Fort Collins, CO Fort Collins

Road 2027 10k5K5K +9

From $35 Open

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M1LE Nation Challenge

Fri, Jun 11 · Fort Collins, CO Fort Collins

Virtual Team M1LE NationTeam M1LE Nation- LIVE RaceM1LE Nation- LIVE Race +5

From $10 Closed

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Wild West Relay

Fri, Aug 6 · Fort Collins, CO Fort Collins

Wild West Relay - Get Your Ass Over the Pass - High School TeamWild West Relay - 12 person team (7-12 runners)Wild West Relay - Get Your Ass Over the Pass - Super Ultra team (1-3 runners) +5

From $660 Open

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