Running Races in Fort Collins, Colorado — 2026

There are 19 running races in Fort Collins, Colorado in 2026. The next is the CRMAC Uplift Her - 5K Run/Walk on April 11. Distances include 5K races, ultras, half marathons.

CRMAC Uplift Her - 5K Run/Walk

Sat, Apr 11 · Fort Collins, CO Fort Collins

Open Closing Soon

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Healthy Kids Running Series Spring 2026 - Fort Collins, CO

Sun, Apr 12 · Fort Collins, CO Fort Collins

Road Single Day Walk Up Week 1PreK 2/3 Yr Old - 50 Yard DashPreK 4/5 Yr Old - 75 Yard Dash +9

From $15 Open Closing Soon

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Horsetooth Half Marathon - Presented by Fort Collins Connexion

Sun, Apr 19 · Fort Collins, CO Fort Collins

Road Half Marathon

From $75 Open Closing Soon

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2026 Flying Pig 5K

Sun, Apr 26 · Fort Collins, CO Fort Collins

Road 2026 Flying Pig 5K

From $40 Open

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The Colorado Marathon

Sun, May 3 · Fort Collins, CO Fort Collins

Road 5K10KHalf Marathon +1

From $35 Open

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Healing Warriors Program 2026 Annual 5K Fun Run

Sun, May 17 · Fort Collins, CO Fort Collins

Healing Warriors Program 2026 Annual 5K Fun Run

From $40 Open

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36th Annual Fire Hydrant 5K & Expo

Sat, May 30 · Fort Collins, CO Fort Collins

Fire Hydrant 5K

Closed

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StepUp For Women And Recovery

Sat, Jun 6 · Fort Collins, CO Fort Collins

Road 5k Run/Walk - In-Person

From $40 Open

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Sam's Rainbow Run

Sat, Jun 13 · Fort Collins, CO Fort Collins

Virtual 5k Run/WalkVirtual 5kSTUDENT 5K

From $25 Open

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FireKracker 5k

Sat, Jul 4 · Fort Collins, CO Fort Collins

Road Kids 1-MileElite 5kFireKracker 5k

From $5 Open

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Wild West Relay

Fri, Jul 31 · Fort Collins, CO Fort Collins

Wild West Relay - Get Your Ass Over the Pass - High School TeamWild West Relay - Get Your Ass Over the Pass - Ultra team (4-6 runners)Wild West Relay - Get Your Ass Over the Pass - Super Ultra team (1-3 runners) +1

From $660 Open

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Eltuck Valley 5K - Lory Summer Trail Series

Tue, Aug 4 · Fort Collins, CO Fort Collins

Road Eltuck Valley 5k

From $25 Open

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Fall Equinox

Sun, Sep 20 · Fort Collins, CO Fort Collins

Virtual Virtual 5 Mile5 MileHalf Marathon +1

From $50 Open

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Homecoming 5K - Colorado State University

Sat, Oct 3 · Fort Collins, CO Fort Collins

Virtual 5K CSU Alumni5K CSU StudentVirtual 5K +2

From $25 Open

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OTILLO Swimrun Colorado

Sun, Oct 4 · Fort Collins, CO Fort Collins

Triathlon Experience SoloExperience TeamSprint 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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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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Colorado 24 Hour Run

Sat, Nov 7 · Fort Collins, CO Fort Collins

Road 12 Hour12 Hour Relay24 Hour Relay +3

From $90 Open

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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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