Found 36 races

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JUN
5

Pocatello, ID
• 104.1 miles
Scout Mountain Ultras is an exciting and challenging weekend of trail running. We offer four distances:  23 miles, 50km, 50 miles and 100 miles. The routes are beautiful, difficult and guaranteed...
23m 50K 50m 100m
57
JUN
6

Dillon, MT
• 87.2 miles
$5 -$55
Pronghorn in Dillon, MT - tech shirt, chip timed
1m 5K 15K
50
JUN
6

Rexburg, ID
• 26.8 miles
The Teton Dam Marathon commemorates the historic 1976 Teton Dam collapse with a marathon and multiple race distances. It is a community-focused event attracting runners from across the country.
1m 3m 6m Half Marathon Marathon
59
JUN
6

Idaho Falls, ID
• 52.0 miles
$60
The Idaho Falls Chukars and Spud Kings are excited to announce the second annual Changing Seasons 5K, taking place on the morning of June 6 at 8:00 a.m. The race will begin at the hottest venue...
5K
39
JUN
6

Idaho Falls, ID
• 54.1 miles
Get ready to go WILD at the Wild Child Fun Run at Idaho Falls Zoo! A run geared to the whole family with a 1.5 mile and 5k distances.Join us for the 2nd Annual Wild Child Fun Run! Get ready for a...
1m 5K
28
JUN
20

Ammon, ID
• 52.5 miles
$12 -$55
ANNOUNCEMENT: You may have heard that Duck Donuts unexpectedly closed their doors on May 22 and cannot supply us with Donuts. While we will miss our friends at Duck Donuts, we have found an...
1m 5K 10K Half Marathon
165
JUN
20

Idaho Falls, ID
• 54.2 miles
$8 -$25
Join Ronald McDonald House Charities of Idaho for an exciting day of fun and community spirit at The Waterfront on Snake River Landing on Saturday, June 20, 2026, from 9:00 AM to 3:00 PM! We have...
5K
32
JUN
27

Rigby, ID
• 38.0 miles
$25 -$30
To celebrate our 14th year of being in business, Anytime Fitness Rigby is hosting our 4th annual Rigby Lake Run! Come walk or run 5k around Rigby Lake. Get active, show support for our community...
17
JUN
27

Idaho Falls, ID
• 52.4 miles
$34 -$85
This 40 mile relay has been around in Southeast Idaho for 34 years now. Join today and run with a team of 8 (each person running 5 miles), a team of 4 (10 miles each), a team of 2 (20 miles each)...
27
JUL
4

Big Sky, MT
• 76.3 miles
$35
Join Us for Our Annual Fourth of July 5K Fun Run! Event DetailsWhen: 10:00 AM on July 4thWhere: Len Hill ParkWhat to Expect: A trail race with a little more incline than years before. An aid...
5K
12
JUL
4

Alta, WY
• 42.2 miles
$15 -$165
The Wildflower Run is back for its 4th year! 2 days and 4 races to choose from! These awesome 10K, 22K, 1K Kids' Race and 50K trail races are coming July 4th & 5th, 2026 at Grand Targhee.  The...
1K 10K 22K 50K
72
JUL
4

Idaho Falls, ID
• 53.0 miles
$20 -$125
2026 is the 21st Annual run of the Idaho Falls FireKracker 5k, AND it is happing on the 250th Anniversary of America's Independence! We hope this year is our biggest and most special yet! ...
5K
30
JUL
10

Twin Bridges to Virginia City, MT
• 100.3 miles
$150
Running event in Twin Bridges to Virginia City
175m
65
JUL
11

West Yellowstone, MT
• 40.5 miles
$40 -$80
Join us for one or four events in the Montana wilderness during the summer of 2026! July 11 Yellowstone Trail Marathon and Trail Races West Yellowstone, MT 50K, Marathon, 25K, 10K, 5K July 18 The...
5K 10K Half Marathon 25K Marathon 50K
33
JUL
11

Teton Village, WY
• 56.5 miles
$75 -$160
Mountain trail weekend featuring Cirque 30K, Cody Peak 50K, and Wild 15K races
15K 30K 50K
229
JUL
11

West Yellowstone, MT
• 40.6 miles
$45 -$85
Have you ever wanted to run in beautiful Yellowstone Country? Join the Yellowstone Running Company & Wolf Pack Advent...
5K 10K Half Marathon 25K Marathon 50K
133
JUL
12

Big Sky, MT
• 75.4 miles
$30 -$75
Runners, take your marks, it’s time to show what you’re made of! The 2nd Annual Running of the Bulls Trail Race returns as part of Big Sky’s Biggest Week. This scenic trail race winds through the...
5K 11K 21K
37
JUL
12

Idaho Falls, ID
• 53.0 miles
$40 -$65
Celebrate the holiday spirit in the middle of summer at the Christmas in July 5K/10K/Half Marathon!  This means Santa is on Vacay! Come on out and join us at Snake River Boat Launch. This festive...
5K 10K Half Marathon
8
JUL
18

Arco, ID
• 93.0 miles
$20 -$25
The 26th Annual Atomic Days Blast Off Fun Run is a community celebration event held in Arco, Idaho to kick off the Atomic Days festivities. It’s designed for all ages and fitness levels, offering...
1m 5K 10K
6
JUL
18

Ashton, ID
• 11.3 miles
$15 -$95
The Mesa Falls Marathon and Half Marathon Races are point-to-point races that begin on Scenic Highway 47 in the Targhee National Forest and end in the city of Ashton, Idaho. All short races start...
1m 5K 10K Half Marathon Marathon
31