Marathons in Montana 2026 | Upcoming Races & Dates

There are 6 marathons in Montana scheduled for 2026. The next is the Yellowstone Trail Races in West Yellowstone on August 1. Montana marathons run primarily August through May.

Yellowstone Trail Races

Sat, Aug 1 · West Yellowstone, MT West Yellowstone

Saturday 10KSaturday 1/2 MarathonSaturday Marathon

From $50 Open

WICKED FAST MARATHON & HALF MARATHON MONTANA

Sat, Aug 15 · Livingston, MT Livingston

Wicked Fast Half Marathon MontanaVIP "UNDER CANVAS DELUXE ROOM PACKAGE" includes Full or Half Marathon entryWicked Fast Marathon Montana +1

From $89 Open 2 spots left

AIDSPIRIT USA Marathon

Sun, Sep 6 · Harlowton, MT Harlowton

5K Fun Run10K Run1/2 Marathon +1

From $35 Open

Montana Marathon

Sun, Sep 20 · Billings, MT Billings

5K (3 Miles)10K (6 Miles)Half Marathon (13.1 Miles) +2

From $30 Open Closing Soon

Wolf Creek Canyon Relay

Sun, Oct 4 · Wolf Creek, MT Wolf Creek

Four Person Relay TeamMilitary Relay Team8 person Relay Team +2

From $40 Open

Whitefish Marathon, Half Marathon & 5K Presented by Hammer Nutrition

Sat, May 22 · Whitefish, MT Whitefish

The Wave 5KThe Wave 5KHalf Marathon +3

From $25 Open

Marathons in Montana — 2026