River Of No Return Endurance Runs

The River of No Return Endurance Runs take place on June 15th, 2024, offering distances of 32k, 55k, or 108k in Challis, Idaho. The challenging courses feature varying terrain, big mountain climbs, and stunning scenery, with wildlife like elk, deer, eagles, bears, and wolves adding to the experience. Runners can expect a fast finish down Main Street Challis, with crew-friendly aid stations accessible without four-wheel drive vehicles. The 108k course has 17,600' elevation gain and 9 aid stations, while the 55k course has 8800' elevation gain and 5 aid stations. The event is part of the Idaho Trail Ultra Series. Visit the organization's website for the most recent information.