20 Mile

Name: RMRR Spring Marathon Training Series
Start: 2025-03-30
End: 2025-03-30
Location: Thornton, CO

List

June 2026

Hypnosis Night Runs

Sat, June 13

Goodyear, AZ

6K, 15K, Half Marathon, 20 Mile, Ultra

River of No Return Endurance Runs

Sat, June 20

Challis, ID

20 Mile, Ultra

August 2026

Blazin’ Summer Sufferfest

Sat, August 1

Cedar Hill, TX

5K, 10K, 10 Mile, 20 Mile, Ultra

Hot August Night Trail Race

Sat, August 8

Inverness, FL

5 Mile, 10 Mile, 20 Mile

Swift Bear Trail Run

Sat, August 8

Hays, MT

10 Mile, 20 Mile, Ultra

Jigger Johnson Ultras

Fri, August 14

Waterville Valley, NH

20 Mile, Ultra

Bigfoot 200

Fri, August 14

Mount Saint Helens, WA

20 Mile, Ultra

Sweaty Hooters Trail Runs

Sat, August 22

Nancy, KY

5K, 10K, Half Marathon, 20 Mile

SPASM Crystal Springs Trail Run

Sun, August 30

Woodside, CA

8K, Half Marathon, 20 Mile, Marathon, Ultra, Kids Run

September 2026

TARC Fall Classic

Sat, September 5

Carlisle, MA

10K, Half Marathon, 20 Mile, Ultra, Kids Run

Mogollon Monster 100

Sat, September 12

Pine, AZ

20 Mile, Ultra

Snow Mountain Ranch Trail Festival

Sat, September 12

Granby, CO

5K, 10K, Half Marathon, 20 Mile, Ultra, Relay (Running)

Bear Water Run

Sat, September 12

White Bear Lake, MN

10 Mile, 20 Mile

Sugg Farm Ultra

Sat, September 12

Holly Springs, NC

20 Mile, Ultra

Ready to Run 20 Miler

Sun, September 20

Chicago, IL

20 Mile

Crested Butte Ultra

Sat, September 26

Crested Butte, CO

20 Mile, Ultra

Utah Marathon

Sat, September 26

Oakley, UT

5K, 10K, Half Marathon, 20 Mile, Marathon

Charm City Run 20 Miler

Sun, September 27

Freeland, MD

20 Mile

Big Bad Wolfe Run

Sun, September 27

Columbus, OH

1K, 5K, 10 Mile, 20 Mile, Kids Run

October 2026

Fire Tower Trail Races

Sat, October 3

Hinckley, MN

7 Mile, 20 Mile, Ultra

June 2026

August 2026

September 2026

October 2026