Strambecco rates the best trail running events Rockies 2025 based on various factors, including reputation, route quality, location, runner feedback, and the event’s or race’s overall uniqueness. Spanning Colorado, Utah, Idaho, Montana, and Wyoming, Rocky Mountain terrain features of Strambecco’s best list include tall peaks, canyons, basins and valleys, forested regions, and sublime single-track running. You can expect lots of elevation gain and events at high base elevations.
If we had to pick the best of the best trail running events Rockies 2025, or those you’d classify as bucket list events, we’d recommend the Audi Power of Four Trail Run in July, an Aspen/Snowmass classic, or the prestigious Leadville Trail 100. We’d also recommend looking at events making up the Leadville Race Series, all qualifier events for the Leadville Trail 100 every year in August. We also strongly correlate the best events and professional event producers. In the Rockies, premiere event producers include Life Time Events, Leadville Race Series, and Gemini Adventures.
Strambecco does not list every event. We strive to identify and review events that are special and noteworthy. If you have suggestions on other events we should consider or review, please get in touch with us here or send us a note at editors@strambecco.com.
The Bighorn Trail Run 2026 in Wyoming is an epic endurance race as technical as beautiful. It is a Rocky Mountain Slam event and a qualifier for the UTMB World Series. The…
Leadville Trail 100 Run Camp 2026 is a perfect way to kick off the summer and practice for all trail running events in Leadville Race Series. This is truly an experience that…
The Leadville Trail Marathon and Heavy Half 2026 is arguably the nation’s toughest and highest-altitude marathon. The route takes trail runners through the historic mining district’s challenging trails to the highest point…
The Hardrock 100 Endurance Run 2026 is an ultramarathon of 102.5 miles, plus 33,197 feet of climb and 33,197 feet of descent for a total elevation change of 66,394 feet, at an…
Silver Rush 50 Run 2026 is part of the Leadville Race Series. This unique high-altitude trail running event is a component of the LT100 Run Qualification system and a preparation race for…
The Audi Power of Four Trail Run 2026 is a premier endurance event utilizing the challenging and unique terrain of the four peaks of The Aspen Snowmass Mountains – Aspen Mountain, Aspen…
The Grand Mesa Ultras 2026 is an exhilarating trail running event set against the stunning backdrop of Grand Mesa, Colorado, one of the largest flat-top mountains in the world. Organized by dedicated…
The Emerald Mountain Epic Trail 2026 is one of the most well-attended and beloved trail-running events in Colorado and the entirety of the United States. Attracting everyone from first-timers to pros, Steamboat…
This six-day stage race takes you through the rugged and beautiful backcountry of the Colorado Rockies, covering 120 miles and over 20,000 feet of elevation gain. You will also experience the thrill…
Nestled in the heart of Colorado’s Rocky Mountains, the Leadville 10K Run 2026, produced by Life Time Events, offers an extraordinary opportunity for trail running enthusiasts to experience the magic of the…
In the heart of the Colorado Rockies lies an event that embodies the essence of endurance, tenacity, and the indomitable spirit of trail running – the penultimate Leadville Trail 100 Run 2026,…
The Ned Ned Trail Fest 2026, held in September in Nederland, Colorado, is a long-standing trail running event that celebrates over 40 years of trail running legacy. Organized by Peak to Peak…
The Bear 100 Ultra 2026 Endurance Run joins the ranks of some of the world’s most challenging and scenic trail races and is one that the team at Strambecco considers to be…
Chosen by Trail Runner Magazine as one of “America’s 14 Most Scenic Races” and Colorado Runner Magazine as a top Half Marathon, the Golden Leaf Half Marathon 2026 is one of the…
At the beginning of Fall, runners from around the world will converge on the idyllic town of Crested Butte, Colorado, for an event that promises to challenge the body, thrill the spirit,…














