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Half Marathons Near Idaho
Showing the next 50 runs that match your filters
Featured
Hayden Lake Marathon
Get 10% Off - Use Code RUNGUIDES2026
Date: Oct 10, 2026 - Saturday
Size: 500 - 1,000 participants
Location: Hayden, Idaho
Featured
REVEL Big Cottonwood
Get $15 Off - Use Code RG15
Date: Sep 12, 2026 - Saturday
Size: 5,000 - 10,000 participants
Location: Murray, Utah
Deseret News Marathon
Date: Jul 24, 2026 - Friday
Size: 1,000 - 5,000 participants
Location: Salt Lake City, Utah
Speedgoat Mountain Races by UTMB
Date: Jul 24-25, 2026 - Friday to Saturday
Size: 500 - 1,000 participants
Location: Sandy, Utah
Handcart Days Races
Date: Jul 25, 2026 - Saturday
Size: 500 - 1,000 participants
Location: Bountiful, Utah
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High Uinta Half Marathon
Date: Jul 25, 2026 - Saturday
Size: 1,000 - 5,000 participants
Location: Kamas, Utah
Headwaters Bank Run
Date: Jul 25, 2026 - Saturday
Size: 1 - 100 participants
Location: Three Forks, Montana
Idaho Falls Marathon
Date: Jul 25, 2026 - Saturday
Size: 100 - 500 participants
Location: Idaho Falls, Idaho
Park City Trail Series Half Marathon
Date: Aug 1, 2026 - Saturday
Size: 100 - 500 participants
Location: Park City, Utah
Catherine Creek Classic
Date: Aug 1, 2026 - Saturday
Size: 100 - 500 participants
Location: Union, Oregon
Yellowstone Half Marathon and Trail Races
Date: Aug 1, 2026 - Saturday
Size: 1 - 100 participants
Location: West Yellowstone, Montana
Luau Run Half Marathon, 10K, 5K
Date: Aug 6, 2026 - Thursday
Size: 100 - 500 participants
Location: Farmington, Utah
Skyline Mountain Marathon
Date: Aug 8, 2026 - Saturday
Size: 100 - 500 participants
Location: Eden, Utah
Loop the Lake
Date: Aug 8, 2026 - Saturday
Size: 100 - 500 participants
Location: Invermere, British Columbia
Runtastic HEBER
Date: Aug 8, 2026 - Saturday
Size: 500 - 1,000 participants
Location: Heber City, Utah
Smelter City Scamper
Date: Aug 8, 2026 - Saturday
Size: 100 - 500 participants
Location: Anaconda, Montana
Boise Spartan Weekend
Date: Aug 8-9, 2026 - Saturday to Sunday
Size: 500 - 1,000 participants
Location: Payette, Idaho
Provo Canyon Half Marathon - PC2PG
Date: Aug 15, 2026 - Saturday
Size: 1,000 - 5,000 participants
Location: Lindon, Utah
Wicked Fast Marathon & Half Marathon - Montana
Date: Aug 16, 2026 - Sunday
Size: 100 - 500 participants
Location: Livingston, Montana
John Wayne Grit Series - Jackson Hole
Get 15% Off - Use Code RUN15
Date: Aug 22, 2026 - Saturday
Size: 100 - 500 participants
Location: Moran, Wyoming
Path to Opioid Prevention
Date: Aug 22, 2026 - Saturday
Size: 100 - 500 participants
Location: Riverdale, Utah
Canine Classic at Paws Up
Date: Aug 23, 2026 - Sunday
Size: 1 - 100 participants
Location: Potomac, Montana
Runtastic NEBO
Date: Aug 29, 2026 - Saturday
Size: 1,000 - 5,000 participants
Location: Payson, Utah
East Canyon Marathon
Date: Aug 29, 2026 - Saturday
Size: 500 - 1,000 participants
Location: Como Springs, Utah
Pocatello Marathon
Date: Sep 5, 2026 - Saturday
Size: 500 - 1,000 participants
Location: Pocatello, Idaho
Salmon Marathon and Half Marathon
Date: Sep 5, 2026 - Saturday
Size: 1 - 100 participants
Location: Salmon, Idaho
AIDSPIRIT USA Marathon
Date: Sep 6, 2026 - Sunday
Size: 1 - 100 participants
Location: Harlowton, Montana
High River Half
Date: Sep 12, 2026 - Saturday
Size: 100 - 500 participants
Location: High River, Alberta
REVEL Big Cottonwood
Get $15 Off - Use Code RG15
Date: Sep 12, 2026 - Saturday
Size: 5,000 - 10,000 participants
Location: Murray, Utah
Malad Valley Marathon
Get $5.00 Off - Use Code RUNTHEVALLEY
Date: Sep 12, 2026 - Saturday
Size: 100 - 500 participants
Location: Malad City, Idaho
Bozeman Half Marathon
Date: Sep 13, 2026 - Sunday
Size: 1,000 - 5,000 participants
Location: Bozeman, Montana
Lethbridge Police Service Run
Date: Sep, 2026 (TBD)
Size: 500 - 1,000 participants
Location: Lethbridge, Alberta
Top of Utah Marathon
Get 10% Off - Use Code RUNGUIDESUTAH
Date: Sep 19, 2026 - Saturday
Size: 500 - 1,000 participants
Location: Logan, Utah
Corner Canyon Half Marathon, 5K, 10K
Date: Sep 19, 2026 - Saturday
Size: 100 - 500 participants
Location: Draper, Utah
Jordan River Half Marathon
Date: Sep 19, 2026 - Saturday
Size: 1 - 100 participants
Location: South Jordan, Utah
Draper City Corner Canyon Half Marathon
Date: Sep 19, 2026 - Saturday
Size: 100 - 500 participants
Location: Draper, Utah
John Colter Run
Date: Sep 19, 2026 - Saturday
Size: 100 - 500 participants
Location: Three Forks, Montana
Mainly Marathons Northwest Series - Day 3
Date: Sep 21, 2026 - Monday
Size: 1 - 100 participants
Location: Clarkston, Washington
Mainly Marathons Northwest Series - Day 4
Date: Sep 22, 2026 - Tuesday
Size: 1 - 100 participants
Location: Clarkston, Washington
Mainly Marathons Northwest Series - Day 5
Date: Sep 23, 2026 - Wednesday
Size: 1 - 100 participants
Location: Lewiston, Idaho
Mainly Marathons Northwest Series - Day 6
Date: Sep 24, 2026 - Thursday
Size: 1 - 100 participants
Location: Lewiston, Idaho
Moonlight Half Marathon
Date: Sep 25, 2026 - Friday
Size: 100 - 500 participants
Location: Mapleton, Utah
Witch Run - Half Marathon, 10K, 5K
Date: Sep 26, 2026 - Saturday
Size: 1,000 - 5,000 participants
Location: West Jordan, Utah
Jackson Hole Marathon
Date: Sep 26, 2026 - Saturday
Size: 500 - 1,000 participants
Location: Jackson, Wyoming
St. Luke's FitOne 5K/10K/Half Marathon
Date: Sep 26, 2026 - Saturday
Size: 500 - 1,000 participants
Location: Boise, Idaho
BRRC Colbert Autumn Classic
Date: Sep 26, 2026 - Saturday
Size: 100 - 500 participants
Location: Colbert, Washington
Hiawatha Fall Trail Run
Get 10% Off - Use Code RUNGUIDES2026
Date: Sep 26, 2026 - Saturday
Size: 500 - 1,000 participants
Location: Taft, Montana
Utah Marathon
Date: Sep 26, 2026 - Saturday
Size: 1,000 - 5,000 participants
Location: Kamas, Utah
Falla Walla Half Marathon, 10K and Heroes 5K Run
Date: Oct 3, 2026 - Saturday
Size: 100 - 500 participants
Location: Walla Walla, Washington
Jackass Half Marathon & 5K
Date: Oct 3, 2026 - Saturday
Size: 500 - 1,000 participants
Location: Kellogg, Idaho
Legends Never Die
Date: Oct 3, 2026 - Saturday
Size: 100 - 500 participants
Location: Ketchum, Idaho
Fernie Half Marathon
Date: Oct 4, 2026 - Sunday
Size: 500 - 1,000 participants
Location: Fernie, British Columbia
