Sarlacc Attack 50K 2026

The Sarlacc Attack 50K stands out as part of Adventure Fest, a multi-sport weekend that transforms Fruita into a celebration…

Presented by Gemini Adventures

Adventure Fest 2026

Adventure Fest combines mountain biking, gravel cycling, and trail running into a single weekend celebration of backcountry racing in Fruita,…

Presented by Gemini Adventures

Fruita Trail Half Marathon 2026

Part of Adventure Fest’s multi-sport weekend celebration, this half-marathon showcases Fruita’s pristine desert singletrack at its early-season best. The 13.8-mile…

Presented by Gemini Adventures

Dirty Edge Gravel 2026

Part of Adventure Fest’s multi-sport weekend in Fruita, Colorado, Dirty Edge Gravel delivers a distinctive 50K route through the North…

Presented by Gemini Adventures

Wild Horse Gravel 2026

Wild Horse Gravel provides rare access to the exclusive High Lonesome Ranch’s backcountry terrain that remains off-limits most of the…

Presented by Outside Events

The Dead Swede 2026

Nestled in the heart of the Bighorn Mountains, this Wyoming gravel event has carved out a reputation for delivering one…

Dusty Bandita 2026

This women-only gravel race in Ovando, Montana has carved out a distinctive niche by combining challenging terrain with genuine community…

Pikes Peak APEX 2026

This three-day mountain bike stage race attracts professionals and amateurs from around the world, competing for a $25,000 prize purse.…

Presented by Colorado Springs Sports Corp

The Hundo 2026

Set in the Rocky Mountains near Bailey, Colorado, The Hundo combines challenging mountain biking with meaningful community impact. Proceeds support…

Presented by Shift Events

Leadville Trail 100 Run Camp 2026

This intensive three-day training camp prepares runners for the legendary Leadville Trail 100, offering guided exploration of key course sections…

Presented by Leadville Race Series

Bighorn Trail Run 2026

The Bighorn Trail Run stands as one of the most demanding ultramarathons in the Rocky Mountains, threading through the remote…

Presented by UTMB World Series

Belgian Waffle Ride (BWR) Montana 2026

The Belgian Waffle Ride Montana debuts in Bozeman this June as “The Hell of the Bozone,” bringing the BWR series’…

Presented by Monuments of Cycling (MoC)

SBT GRVL 2026

SBT GRVL has evolved into a full weekend of gravel cycling with two distinct formats. Saturday features a non-competitive ride…

Presented by SBT GRVL

Leadville Trail Marathon and Heavy Half 2026

The Leadville Trail Marathon and Heavy Half put you through arguably the nation’s toughest and highest-altitude marathon experience. The route…

Presented by Leadville Race Series

Hardrock 100 Endurance Run 2026

The Hardrock 100 Endurance Run covers 102.5 miles with 33,197 feet of climbing and descent through Colorado’s San Juan Range…

Presented by Rocky Mountain Slam Series

Triple Bypass Gran Fondo 2026

Established in 1988, the Triple Bypass Gran Fondo covers 118 miles with over 10,800 feet of elevation gain across three…

Presented by Shift Events

Silver Rush 50 Run 2026

The Silver Rush 50 Run covers 50 miles and 7,942 feet of elevation gain through Colorado’s high Rocky Mountain mining…

Presented by Life Time Events

Ned Gravel 2026

Held annually in July in Nederland, Colorado, Ned Gravel stands out for its unwavering commitment to diversity and inclusion in…

Presented by Peak to Peak Endurance

Bogus Basin Hill Climb 2026

Established in 1972, this climb ranks as the third oldest continuously running hill climb in the United States and attracts…

Presented by Gran Fondo National Series

Silver Rush 50 MTB 2026

This 50-mile mountain bike race delivers one of the most challenging altitude tests in endurance sports, starting at 10,200 feet…

Presented by Leadville Race Series

FoCo Fondo 2026

The FoCo Fondo combines challenging gravel cycling with a festival atmosphere that sets it apart from typical racing events. Founded…

Presented by Bike Sports

719 Ride 2026

This homegrown Colorado Springs cycling event distinguishes itself with a unique multi-lap format on a challenging 14-mile loop featuring 1,800…

Presented by Gran Fondo National Series

Power of Four Trail Run 2026

This challenging mountain trail run connects the four peaks of the Aspen Snowmass area—Aspen Mountain, Aspen Highlands, Buttermilk, and Snowmass—across…

Presented by Aspen Snowmass Events & Experiences

Leadville Stage Race 2026

The Leadville Stage Race transforms the legendary Leadville Trail 100 MTB course into a three-day adventure through the Colorado Rockies.…

Presented by Leadville Race Series