Loveland
Trail Running Calendar near Loveland 2026-2027
Explore the top trail runs near Loveland for 2026-2027! We've gathered 30 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
October 2026
A scenic 5K through Estes Park during Elk Fest with shuttle transport from the Visitor Center and a finish at Performance Park.
Trail races in Louisville, CO paired with an Oktoberfest finish, wooden medals, a free pretzel and live Bavarian music.
A mountain backyard ultra where runners complete a 4.167 mile loop every hour at about 8,000 feet until one person remains; $1,000 for the last runner and buckles at 100 miles.
Trail marathon and half marathon near Fort Collins featuring redstone singletrack, significant elevation change, fully stocked aid stations, and a finish line meal.
A traditional Backyard Ultra at Luvin Arms Animal Sanctuary on October 24-25, 2026 with hourly 4.167 mile loops, on-site aid, camping, and proceeds supporting the sanctuary.
An approximately 18 mile trail across Boulder's five peaks with about 5,000 ft of climbing on October 24, 2026; limited to 100 participants with a $25 fee donated to recovery.
MonsterDASH Louisville on Oct 25, 2026 offers a new half marathon plus 5k, 10k and a kids mile with costume contests, expo, and themed runner perks.
November 2026
Timed 6, 12 and 24 hour individual and relay events on a flat USATF certified one mile dirt loop at Swift Ponds in Fort Collins with full aid and lodge access.
Trail races on November 14, 2026 in Louisville CO offering Half Marathon, 10K and 5K on dirt out and back courses with aid stations and post-race festivities.
December 2026
A mountain challenge in Estes Park where runners complete 2km laps with 540ft of gain to reach elevation milestones and collect poker chips for rank.
Holiday trail runs in Louisville CO with 5k, 10k, a new half marathon, expo pickup, giveaways, family activities, and a visit from Santa.
Celebrate the season with a festive 10K featuring 1,500 feet of climbing and beautiful trail views at the YMCA of the Rockies.
February 2027
A winter gravel bike rally and trail run in Lyons, Colorado offering multiple run and ride distances, mixed terrain courses, and a public finish-line party with food and music.
April 2027
An ultramarathon on the Poudre River Trail through Fort Collins, Timnath, Windsor and Greeley offering 50 mile and 100 mile individual races plus relay team options.
May 2027
Trail races near Fort Collins offering 25 miles (≈5,500 ft gain) and 50 miles (≈11,000 ft gain) on mostly singletrack with staffed aid stations.
Trail races at YMCA of the Rockies on May 22, 2027 offering 10K, 25K, and 50K on mostly runnable singletrack at 8,000 feet; the 50K includes 6,000 feet of gain.