Half Marathons in Montana 2026 | Upcoming Races & Dates

There are 6 half marathons in Montana scheduled for 2026. The next is the WICKED FAST MARATHON & HALF MARATHON MONTANA in Livingston on August 15. Montana half marathons run primarily June through January.

Whitefish Lake Triathlon (Presented by Whitefish.com)

Sat, Jun 27 · Whitefish, MT Whitefish

Sprint Tri Team RelaySprint Tri

From $79 Open Closing Soon 10 spots left

Montana Women's Triathlon

Sun, Jul 19 · Helena, MT Helena

Montana Women's TriathlonU19 TeamYouth -19 and Under +1

From $45 Open 50 spots left

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 8 spots left

Mntwi l Nłʔay Virtual Half Marathon

Tue, Sep 1 · Missoula, MT Missoula

Mntwi l Nłʔay Virtual Half Marathon

From $48 Closed

Disco PBR

Sat, Sep 12 · Anaconda, MT Anaconda

Disco PBR

From $75 Closed

Sorry 'Bout That Half Marathon and Team Relay

Sat, Jan 16 · Polson, MT Polson

1/2 Marathon3 Person Team Relay

From $35 Open

Half Marathons in Montana — 2026

Whitefish Lake Triathlon (Presented by Whitefish.com)

Montana Women's Triathlon

WICKED FAST MARATHON & HALF MARATHON MONTANA

Mntwi l Nłʔay Virtual Half Marathon

Disco PBR

Sorry 'Bout That Half Marathon and Team Relay

Browse by City

All Montana Races