The Colorado Marathon is an annual marathon held in Fort Collins, Colorado. The first marathon was held in 1974, and the race has been held every year since then. The marathon is a Boston Marathon qualifier, and it is one of the most popular marathons in the United States. The 2025 Colorado Marathon will be held on June 1, 2025.
The Colorado Marathon is a challenging and rewarding race. The course is mostly flat, but there are a few hills that can be challenging. The race is also held at altitude, which can make it more difficult for some runners. However, the scenery is beautiful, and the race is well-organized. The marathon is a great way to experience the beauty of Colorado and to challenge yourself.