Running Races in Fort Collins, Colorado — 2026

There are 17 running races in Fort Collins, Colorado in 2026. The next is the 36th Annual Fire Hydrant 5K & Expo on May 30. Distances include 5K races, ultras, trail runs.

36th Annual Fire Hydrant 5K & Expo

Sat, May 30 · Fort Collins, CO Fort Collins

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 Closing Soon

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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 Closing Soon

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FCRC Marathon Training Program

Sat, Jun 20 · Fort Collins, CO Fort Collins

Road FCRC 2026 Marathon Training Program

From $20 Open

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FireKracker 5k

Sat, Jul 4 · Fort Collins, CO Fort Collins

Road Kids 1-MileElite 5kFireKracker 5k

From $5 Open Closing Soon

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Wild West Relay

Fri, Jul 31 · Fort Collins, CO Fort Collins

Wild West Relay - Get Your Ass Over the Pass - Super Ultra team (1-3 runners)Wild West Relay - Get Your Ass Over the Pass - Ultra team (4-6 runners)Wild West Relay - Get Your Ass Over the Pass - 12 person team (7-12 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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Choice City Running Festival

Fri, Aug 7 · Fort Collins, CO Fort Collins

Road Jane Welzel Mountain Avenue MileHuman Race 5kHuman Race 10k +4

From $20 Open Closing Soon

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Fort Collins Running Summit

Sat, Aug 8 · Fort Collins, CO Fort Collins

2026 Fort Collins Running Summit

From $80 Open Closing Soon

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Fall Equinox

Sun, Sep 20 · Fort Collins, CO Fort Collins

Virtual Virtual 5 Mile5 MileHalf Marathon +1

From $50 Open Closing Soon

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Homecoming 5K - Colorado State University

Sat, Oct 3 · Fort Collins, CO Fort Collins

Virtual Homecoming 5K5K CSU Student5K CSU Alumni +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 Closing Soon

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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 6 Hour24 Hour12 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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The Colorado Marathon

Sun, May 2 · Fort Collins, CO Fort Collins

Road 2027 10k5K5K +9

From $35 Closed

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