50K – 8:00 AM – Run the Rim 50K Trail Running Route

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50K AID STATIONS     
Aid Stations  Milepost  Distance to Next Aid  Aid 
Start  0.0  4.0   
Helispot  4.0  6.0  Limited 
Lost Souls (4N41Y)  10.0  2.5  Full 
Dusty Corners (#36)  12.5  2.5  Full 
Sunset Loop TH  15.0  5.0  Limited 
Cougar Rock (1)  20.0  5.0  Full 
Cougar Rock (2)  25.0  3.9  Full 
Equine  28.9  2.3  Limited 
Finish  31.2     

Aid Station Type
Full: Limited plus soda, carbs, calories
Limited: Water, HEED, electrolytes, gels
Water: Water only

35K – 8:15 AM – Run the Rim 22-mile “classic” Trail Running Route

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35K AID STATIONS     
Aid Stations  Milepost  Distance to Next Aid  Aid 
Start  0.0  4.0   
Helispot  4.0  6.0  Limited 
Lost Souls (4N41Y)  10.0  2.5  Full 
Dusty Corners (#36)  12.5  5.1  Full 
Cougar Rock  17.6  2.3  Full 
Equine  19.9  2.1  Limited 
Finish  22.0     

Aid Station Type
Full: Limited plus soda, carbs, calories
Limited: Water, HEED, electrolytes, gels
Water: Water only

21K – 8:30 AM – Run the Rim Half Marathon (21K) Trail Running Route

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21K AID STATIONS     
Aid Stations  Milepost  Distance to Next Aid  Aid 
Start  0.0  3.6   
Equine (1)  3.6  3.8  Limited 
Cougar Rock  7.4  3.3  Full 
Equine (2)  10.7  2.3  Limited 
Finish  13.0     

Aid Station Type
Full: Limited plus soda, carbs, calories
Limited: Water, HEED, electrolytes, gels
Water: Water only

10K – 8:45 AM – Run the Rim 10K Trail Running Route

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10K AID STATIONS     
Aid Stations  Milepost  Distance to Next Aid  Aid 
Start  0.0  1.2   
5N56  1.2  2.5  Limited 
Equine (1)  3.6  2.6  Limited 
Finish  6.2     

Aid Station Type
Limited: Water, HEED, electrolytes, gels
Water: Water only

5K – 9:00 AM – Run the Rim 5K Trail Running Route

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5K AID STATION     
Aid Stations  Milepost  Distance to Next Aid  Aid 
Start  0.0  1.2   
5N56  1.2  2.0  Limited 
Finish  3.1     

Aid Station Type
Limited: Water, HEED, electrolytes, gels
Water: Water only

2026 RUN THE RIM SPONSORS

Interested in Sponsoring Run the Rim 2026?

contact karin@arnoldrimtrail.org