Rio Grande 100
South Fork, United States • 23 Aug 2025
The Rio Grande 100 is an exhilarating ultramarathon set in South Fork, Colorado, featuring a challenging course that traverses the stunning La Garita mountains. Runners will experience diverse terrains, from arid forests to alpine tundra, with elevations exceeding 12,000 feet. The event emphasizes a relaxed atmosphere, making it enjoyable for both participants and their support crews. Safety is a priority, especially considering past weather challenges, and the organizers are implementing measures to ensure the race can proceed even in adverse conditions. This late-season event promises to be both demanding and rewarding for all involved. Visit the organization's website for the most recent information.