Trail Running calendar near South Fork 2024-2025

The Rio Frio 5k on Ice is a unique running event taking place in Alamosa, Colorado, on January 25, 2025. This race is notable for being held entirely on the frozen Rio Grande, offering participants a chance to run on ice while enjoying stunning views of the surrounding mountains. The event features ..

The Pine Needle Langlauf Nordic Ski Race is a premier freestyle skiing event held in Durango, Colorado, featuring a variety of race distances including 30K, 20K, 10K, 4K, and 2K. This challenging race showcases stunning mountain views, steep climbs, and exhilarating descents, making it a highlight o..

The 20th Annual Run Through Time Trail Marathon and Half Marathon will take place in Salida, Colorado, featuring a marathon, half marathon, and a 2-mile run. The event showcases scenic and challenging courses on dirt roads and narrow single tracks, with elevations ranging from 7,000 to 9,000 feet. P..

The Sky Pilots Ouray Backyard Ultra is a unique running event taking place in Ouray, Colorado. Participants tackle a 4.167-mile course, with the challenge of completing each lap within an hour to continue racing. The event continues until only one runner remains, who must finish one more lap than th..

The San Juan Solstice 50 Mile Run is an annual ultra-marathon held in Lake City, Colorado, typically around the Summer Solstice. Established in 1995, the event has evolved into a community benefit for local EMTs. The race features a challenging course that includes high mountain terrain and varying ..

The Hardrock 100 is a challenging 100-mile ultramarathon held in the San Juan Mountains of Colorado. Participants face a total elevation change of 66,394 feet, with an average elevation of over 11,000 feet, making it one of the toughest endurance runs in the world. The course features a mix of 4WD r..

The Ouray 100 Mile Endurance Run is a challenging ultramarathon set in the breathtaking San Juan Mountain range of Colorado. Participants face approximately 41,862 feet of elevation gain, making it one of the toughest endurance events. The race features stunning views and demanding climbs, culminati..

The High Lonesome 100 is a challenging 100-mile trail race set in the stunning Sawatch Range of Colorado. With a total elevation gain of 23,500 feet and a high point of 13,150 feet, this race offers a rigorous loop course that includes sections of the National Scenic Continental Divide Trail and the..

The Silverton Alpine Marathons, taking place in Silverton, Colorado, offers an exhilarating trail running experience through the stunning San Juan Mountains. Participants can choose from three race distances: a 50K, a marathon, or an 8-mile run, all set against a backdrop of historic mining ghost to..

The Kendall Mountain Run, taking place in Silverton, Colorado, features a challenging 12-mile and 11K race that ascends to the summit of Kendall Mountain, reaching an elevation of 13,066 feet. Participants will experience a thrilling climb along jeep roads, culminating in a vertical scramble to the ..

The Creede 100 is an exhilarating 100-mile ultramarathon set in the historic mining town of Creede, Colorado. Scheduled for July 26, 2025, this challenging race offers participants breathtaking views of the San Juan Mountains, with elevations exceeding 12,000 feet. The course features pristine singl..

The Box Canyon Trail Races, set in the scenic high country of Telluride, Colorado, features two challenging events: the Bridal Veil 30K and the Bear Creek 10 Mile. Participants will experience breathtaking views as they navigate varied terrain, including alpine meadows and steep ascents. The 30K rac..

The High Five 100 is an ultra-running challenge held in Lake City, CO, designed for elite runners seeking a rigorous test of endurance. Participants must navigate a course that includes 22 designated locations, consisting of 6 checkpoints and 16 proof points, with the goal of returning to Lake City ..

The San Juan Softie 100 is a challenging 100-mile ultra marathon set in the stunning San Juan mountains of southwest Colorado. Participants will navigate an average elevation of nearly 10,000 feet, with a total ascent of over 20,000 feet, making it a true test of endurance and skill. The event empha..

The Telluride Mountain Run is a challenging and technical race set in the stunning San Juan Mountains near Telluride, Colorado. Participants can choose from three demanding routes: 40 miles, 24 miles, and 13 miles, navigating through old mining roads, singletrack trails, and alpine tundra. Runners w..

The Rio Grande 100 will take place in South Fork on Saturday 23 August 2025.

The Creede Mountain Run, established in 1987, is a celebrated running event held in Creede, Colorado, marking the transition from summer to fall. Participants can choose from four race distances: 2 miles, 12 miles, 22 miles, and 50K, all set against the stunning backdrop of the San Juan Mountains. T..

The Sangre de Cristo Trail Festival, organized by the Human Potential Running Series, invites participants to experience a rugged ultra run along the scenic Rainbow Trail in the Sangre de Cristo Mountains. Scheduled for September 27-28, 2025, the festival features various distances, including 8-Mile..

The Deep Creek Trail Half Marathon is a scenic trail running event taking place in Telluride, Colorado. The race begins at Last Dollar Road near the Telluride Airport and features a picturesque course that winds through Aspen-filled woods along the Deep Creek Trail, covering approximately 13 miles o..