Trail Sisters Race Calendar

Trail Sisters Approved Standards

Trail Sisters Approved
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Loops / Backyard
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Elsa Chicken Plucker Backyard Ultra
Loops
May 30, 2025
Charleston
, Illinois
Running Up For Air
3H
6H
12H
24H
May 30, 2025
Provo
, Utah
Blackfoot Ultra
100K
50M
50K
25K
May 31, 2025
Edmonton
, Alberta
Cape Mountain
50K
25K
10K
May 31, 2025
Florence
, Oregon
Finish The Run Griffith Park
May 31, 2025
LA
, California
Frio Trail Runs
50.0K
30.0K
20.0K
10.0K
10.0K
5.0K
May 31, 2025
Concan
, Texas
Kettlefoot 50K, 25K, & 13K
50K
25K
13K
May 31, 2025
Mountain City
, Tennessee
Momentus BackYard Ultra
48H
3.9M
May 31, 2025
Monroe
, North Carolina
Rolley Coaster 8k Loop Event
Loops
May 31, 2025
Mission
, British Columbia
Run for Water Trail Race
10K
25K
50K
May 31, 2025
Abbotsford
, British Columbia
Soaring Eagle
5K
10K
13.1M
May 31, 2025
Sammamish
, Washington
Sooke Hills Run
50K
25K
May 31, 2025
Sooke
, British Columbia
Worlds End Ultramarathons
50K
100K
May 31, 2025
Forksville
, Pennsylvania
Conquer the Cove 25K & Marathon
25K
26.2M
June 1, 2025
Roanoke
, Virginia
Crazy Legs 10k+ Trail Run
10.0K
June 1, 2025
Loveland
, Colorado
Kentucky Cryptid Mothman
6M
June 1, 2025
Louisville
, Kentucky
Rabun Half Marathon
11.5M
June 1, 2025
Sky Valley
, Georgia
South Ridge Trail Challenge
5K
10K
20K
June 1, 2025
Allison Park
, Pennsylvania
DFW Burning Soles Trail Series Race 1
10K
5K
June 4, 2025
Flower Mound
, Texas
IronHike Endurance Series - Spring - Mohawk Mountain, CT, USA
15.0M
28.0M
43.0M
61.0M
152.0M
June 5, 2025
Cornwall
, Connecticut
The Sticks
6H
12H
24H
48H
72H
Loops
June 5, 2025
Norton
, Kansas
Vail Ultra Benefiting 50 For The Fallen
50M
June 5, 2025
Vail
, Colorado
Hell Hole Hundred
211M
140.6M
100M
100K
50M
50K
June 6, 2025
Bethera
, South Carolina
Scout Mountain Ultras
21M
50M
100M
June 6, 2025
Pocatello
, Idaho