Trail Running calendar near O'Neill 2025-2026

We have found 2 Trailruns within 80 miles of O'Neill. See below where and when you can find the races.

Cowboy 200 is a point-to-point ultramarathon along Nebraska’s Cowboy Trail, starting in Norfolk and finishing in Valentine. Runners can choose a 200-mile solo or a 100-mile option, both on a rails-to-trails crushed-limestone course that is 100% runnable and mostly vehicle-free, with short town secti..

October 2025

The Last Cowboy Backyard in O’Neill, Nebraska, is Ultraverse Supplements’ first Backyard Ultra. The course follows the flat, non-technical Cowboy Trail as an out-and-back, starting and finishing at the O’Neill community center. Each lap is 4.17 miles and starts on the hour with all runners beginning..