Aug 15, 2026 · 6:30 AM · Livingston, MT
WICKED FAST MARATHON & HALF MARATHON MONTANA
Half MarathonMarathon
- Price
- $156.39-$182.01
Half Marathons in Montana
Every upcoming Half Marathon race we know about in Montana. Where a detail isn't confirmed, we mark it unknown rather than guessing.
Race results
Where
When
Showing 23+ of 24 races · loading the full list…
Aug 16, 2026 · 9:30 AM · Red Lodge, MT
Nitty Gritty Off Road Race
Half MarathonMarathon
- Price
- $43.40-$255.40
Aug 22, 2026 · 8:00 AM · Greenough, MT
18th Annual Canine Classic at Paws Up
Half Marathon
- Price
- $43.40-$96.40
Sep 6, 2026 · 6:15 AM · Harlowton, MT
AIDSPIRIT USA Marathon
5K10KHalf MarathonMarathon
- Price
- $38.53-$128.46
Sep 11, 2026 · 9:00 AM · Big Sky, MT
The Rut Mountain Runs
Half MarathonUltra
- Price
- Free
- Field size
- 870 · based on the organizer's entry cap
Sep 13, 2026 · 8:00 AM · Bozeman, MT
Bozeman Half Marathon & 10K
10KHalf Marathon
- Price
- $75.56-$133.75
- Field size
- 1,540 · based on the organizer's entry cap
Sep 20, 2026 · 7:00 AM · Billings, MT
Montana Marathon
5K10KHalf MarathonMarathon
- Price
- $54.40-$133.75
- Field size
- 1,400 · based on the organizer's entry cap
Sep 26, 2026 · 8:30 AM · Virginia City, MT
Golden Gravel Grinder
Half MarathonUltra
- Price
- Price on registration site
Oct 3, 2026 · 7:30 AM · Whitefish, MT
Whitefish Trail Blazer
5KHalf MarathonUltra6,300 ft gain
- Price
- $33.24-$133.75
- Field size
- 400 · based on the organizer's entry cap
Oct 4, 2026 · 10:00 AM · Red Lodge, MT
Back Roads Half & 10k
10KHalf MarathonWalker-friendly · per organizer
- Price
- $32.80-$43.40
Oct 18, 2026 · 9:00 AM · Helena, MT
Just for the Helena of It
1M5K10KHalf Marathon
- Price
- $38.53-$91.43
- Field size
- 800 · based on the organizer's entry cap
Jan 16, 2027 · 11:00 AM · Polson, MT
Sorry 'Bout That Half Marathon and Team Relay
Half Marathon
- Price
- $50.17
Feb 27, 2027 · 11:00 AM · Seeley Lake, MT
Snow Joke Half Marathon
Half Marathon
- Price
- $38.53
- Field size
- 750 · based on the organizer's entry cap
May 22, 2027 · 8:00 AM · Whitefish, MT
Whitefish Marathon, Half Marathon & 5K Presented by Hammer Nutrition
5KHalf MarathonMarathon
- Price
- $38.10-$96.40
- Field size
- 1,975 · based on the organizer's entry cap
Jul 10, 2027 · 9:00 AM · West Yellowstone, MT
Yellowstone Park Trail Races
5K10KHalf MarathonMarathonUltraCertified course · per organizer
- Price
- $49.11-$86.14
Jul 10, 2027 · 9:00 AM · West Yellowstone, MT
Montana Trail Series
5K10KHalf MarathonMarathonUltraCertified course · per organizer
- Price
- $48.70-$85.80
Jul 10, 2027 · 8:30 AM · Ennis, MT
Madison Marathon
Half MarathonMarathon
- Price
- $85.80-$107
- Field size
- 290 · based on the organizer's entry cap
Jul 11, 2027 · 7:00 AM · Ennis, MT
Big Sky Marathon
Half MarathonMarathon
- Price
- $85.80-$107
- Field size
- 145 · based on the organizer's entry cap
Jul 17, 2027 · 9:00 AM · Seeley Lake, MT
Bob Marshall Trail Races
5K10KHalf MarathonMarathonUltraCertified course · per organizer
- Price
- $49.11-$86.14
Jul 31, 2027 · 9:00 AM · West Yellowstone, MT
Yellowstone Park Trail Races
5K10KHalf MarathonMarathonUltraCertified course · per organizer
- Price
- $49.11-$91.43
Sep 25, 2027 · 9:00 AM · Butte, MT
The Divide Trail Race
10KHalf MarathonMarathonUltraCertified course · per organizer
- Price
- $48.70-$85.80
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