When is Herron Half Marathon?

Herron Half Marathon takes place on Jun 20, 2026. That's in 5 days.

Where is Herron Half Marathon located?

Herron Half Marathon is held in Kalispell, Montana, United States.

What distances are available at Herron Half Marathon?

Herron Half Marathon offers the following distances: 13.1M, 10K, 5K.

How do I register for Herron Half Marathon?

You can register for Herron Half Marathon through the official registration page.

What is the typical weather for Herron Half Marathon?

Based on historical data, you can expect temperatures between 45°F and 73°F on race day. There's approximately a 12% chance of precipitation.

Herron Half Marathon (5K-13.1M) - Jun 20, 2026 | Kalispell, MT

Lace up for an unforgettable trail running experience at the 14th annual Herron Half Marathon, 10K, and 5K Trail Run, set to take place on Saturday, June 20, 2026, in the stunning Flathead Valley of Kalispell, Montana. This event is a vital fundraiser, with all proceeds directly supporting the maintenance and development of the extensive 40+ mile Foy's to Blacktail Trail (FTBT) system, offering runners a chance to impact local trails directly. Participants can expect typical race day conditions to be pleasant, with historical highs around 73°F and lows around 45°F, and only a 12% chance of precipitation, creating ideal running weather for tackling the challenging terrain.

Runners will be treated to a 100% un-paved trail course that promises breathtaking scenery, including vibrant wildflowers and expansive views of the Flathead Valley, particularly for those tackling the 10K and Half Marathon distances. The Half Marathon is a true test of endurance, featuring over 2000 feet of total elevation gain, with a starting elevation of approximately 3347 feet and reaching a high point of 4700 feet. The 10K also offers a significant climb, with a reviewer noting over 1000 feet of elevation gain, advising runners to be prepared for an uphill start. Aid stations throughout the course will provide essential hydration with water and HEED, along with Hammer gels to keep you fueled.

The Herron Half Marathon, 10K, and 5K is more than just a race; it's a celebration of community and a cornerstone of the Flathead Race Series. Starting bright and early from Herron Park, with the Half Marathon kicking off at 7:00 a.m., followed by the 10K at 7:15 a.m., and the 5K at 7:30 a.m., the event fosters camaraderie among participants. A dedicated Kids' Race also inspires the next generation of trail runners. Due to limited parking at Herron Park, carpooling is highly encouraged, enhancing the community spirit even before the starting gun.