Northern Colorado race calendar
Northern Colorado released its full 2026 race calendar this week, covering everything from 5Ks and marathons to 50‑mile trail races — good intel if you run clubs or plan a racing year. (coloradoan.com) The lineup gives club runners a clear path for build cycles and key tune‑up events across the season. (coloradoan.com)
The Colorado Marathon is scheduled for Sunday, May 3, 2026, and will field a full marathon, half marathon, 10K and 5K on a point-to-point course through Poudre Canyon into Fort Collins. (runsignup.com)) The Horsetooth Half Marathon is set for April 19, 2026 — its 53rd running — with a point-to-point route that starts near Hughes Stadium/Holiday Twin Drive‑In and finishes at New Belgium Brewing. (running.life)) The NoCo Urban Ultra & Relay takes place April 11–12, 2026, offering 50‑mile and 100‑mile solo and relay options along the Poudre River Trail through Fort Collins, Timnath, Windsor and Greeley with a finish festival at Island Grove. (nocourbanultra.com)) Quad Rock’s 25‑ and 50‑mile trail races return on May 9, 2026, running through Lory State Park and Horsetooth Mountain Park with start times at 5:30 a.m. (50M) and 7:00 a.m. (25M) and a combined registration cap listed around 450 participants. (runsignup.com)) The Long View Marathon and Half Marathon are scheduled for Saturday, October 10, 2026, as a Fort Collins‑to‑Loveland point‑to‑point event produced by Gnar Runners in partnership with Sweetheart City Racing. (runsignup.com)) The NOCO Half Marathon & 10K will be staged at Boyd Lake State Park on April 25, 2026, organized by Breakaway Athletic Events and promoted as a flat, PR‑friendly spring course. (breakawayathleticevents.com))