Marathon Races in Montana

Find upcoming marathon races in Montana — with dates, locations, and direct registration links.

26 upcoming marathon races found in Montana

Upcoming Marathon Races in Montana

Wicked Fast Marathon Montana+3

Aug 15

WICKED FAST MARATHON & HALF MARATHON MONTANA

Sat, August 15, 2026

Livingston, MT

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Solo Half Marathon+7

Aug 16

Nitty Gritty Off Road Race

Sun, August 16, 2026

Red Lodge, MT

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Half-Marathon+7

Aug 22

18th Annual Canine Classic at Paws Up

Sat, August 22, 2026

Greenough, MT

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Mntwi l Nłʔay Virtual Half Marathon

Sep 1

Mntwi l Nłʔay Virtual Half Marathon

Tue, September 1, 2026

Missoula, MT

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Full Marathon+3

Sep 6

AIDSPIRIT USA Marathon

Sun, September 6, 2026

Harlowton, MT

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Half Marathon+2

Sep 9

Big Hole Valley’s Run for Renewal Half Marathon, 10k & 5k

Wed, September 9, 2026

Wisdom, MT

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Half Marathon+1

Sep 13

Bozeman Half Marathon & 10K

Sun, September 13, 2026

Bozeman, MT

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Full Marathon (26.2 Miles)+3

Sep 20

Montana Marathon

Sun, September 20, 2026

Billings, MT

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Marathon+4

Sep 26

Hiawatha Fall Trail Run

Sat, September 26, 2026

Taft, MT

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Blazer 50k+9

Oct 3

Whitefish Trail Blazer

Sat, October 3, 2026

Whitefish, MT

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Half Marathon

Oct 3

Center of the Nation Series Day 6 Marathon & Half Marathon

Sat, October 3, 2026

Baker, MT

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Half marathon+1

Oct 3

Half Marathon - Individual Age group/open

Sat, October 3, 2026

Baker, MT

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5K+3

Oct 3

50K - Individual Age group/open

Sat, October 3, 2026

Baker, MT

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Half Marathon+3

Oct 3

Whitefish Trail Legacy Run Half Marathon, 10k & 5k

Sat, October 3, 2026

Whitefish, MT

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Half Marathon+1

Oct 4

Back Roads Half & 10k

Sun, October 4, 2026

Red Lodge, MT

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50 Mile Ultramarathon+3

Oct 10

Le Grizz Ultramarathon & Relay

Sat, October 10, 2026

Polebridge, MT

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Half Marathon+6

Oct 18

Just for the Helena of It

Sun, October 18, 2026

Helena, MT

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1/2 Marathon+1

Jan 16

Sorry 'Bout That Half Marathon and Team Relay

Sat, January 16, 2027

Polson, MT

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Snow Joke Half Marathon

Feb 27

Snow Joke Half Marathon

Sat, February 27, 2027

Seeley Lake, MT

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Marathon+2

May 21

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

Fri, May 21, 2027

Whitefish, MT

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Marathon+2

May 22

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

Sat, May 22, 2027

Whitefish, MT

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TONY BANOVICH 5K+7

Jun 26

Missoula Marathon Weekend of Events

Sat, June 26, 2027

Missoula, MT

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Madison Marathon (Full)+1

Jul 10

Madison Marathon

Sat, July 10, 2027

Ennis, MT

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The Yellowstone Marathon+5

Jul 10

Yellowstone Park Trail Races

Sat, July 10, 2027

West Yellowstone, MT

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Big Sky Marathon (Full)+1

Jul 11

Big Sky Marathon

Sun, July 11, 2027

Ennis, MT

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50K+5

Jul 17

Bob Marshall Trail Races

Sat, July 17, 2027

Seeley Lake, MT

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