Herron Half Marathon, 10K and 5K Trail Run

Lace up your trail shoes for the Herron Half Marathon, 10K, and 5K Trail Run on Saturday, June 20, 2026, in the stunning landscapes of Kalispell, Montana. This vibrant event, celebrating its 14th year, invites runners of all abilities to challenge themselves amidst the natural beauty of Herron Park. More than just a race, your participation supports a vital cause, as all proceeds directly fund the ongoing maintenance and development of the extensive 40+ mile Foy's to Blacktail Trail (FTBT) system.

The Herron Half Marathon, 10K, and 5K offer a true trail running experience on scenic and spectacular trails. Participants can expect a "lung-burning, leg-testing run" on the diverse terrain within Herron Park. With typical race day conditions seeing highs around 73°F and lows around 45°F, and only a 12% chance of precipitation, the weather is often ideal for an exhilarating outdoor adventure. Early start times, with the Half Marathon kicking off at 7:00 a.m., the 10K at 7:15 a.m., and the 5K at 7:30 a.m., ensure you tackle the trails during the cooler morning hours.

This event stands out for its strong community spirit and dedication to trail preservation. Praised as a "well-run event" by past participants, it fosters an atmosphere of camaraderie and support. As one of the largest annual fundraisers for local trail maintenance, the Herron Half Marathon, 10K, and 5K Trail Run provides an affordable opportunity to enjoy the outdoors while contributing to the upkeep of cherished natural spaces. Don't miss this chance to be part of a meaningful event that combines athletic challenge with breathtaking scenery and community impact.