CO 200 Trail Race Course
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50 Mile Ultramarathons with Waitlists

10 50 mile races tracked. Live waitlist sizes, registered runners, race dates. Browse all distances →

Run Rabbit Run 50M

Sold out

September 18 - 19, 2026 | Register Now · 50 Miler · Steamboat Springs, CO

35 on waitlist 335 registered

Baker Trail UltraChallenge

Sold out

August 29, 2026 | Register Now · Mens 50M North · Vowinckel, PA

19 on waitlist 70 registered

Charleston Itty Bitty 50

Sold out

December 20, 2026 | Register Now · 50 Miler · Mount Pleasant, SC

10 on waitlist 81 registered

San Juan Solstice 50

Sold out

June 20, 2026 | Register Now · 50 Miler · Lake City, CO

27 on waitlist 295 registered

Mississippi Trail 50M

Final Sold out

March 6 - 7, 2026 · 50 Miler · Laurel, MS

21 on waitlist 71 registered

Marin Ultra Challenge 50M

Final Sold out

March 14, 2026 · 50 Miler · Sausalito, CA

31 on waitlist 221 registered

Mount Mitchell Heartbreaker 50M

Final Sold out

March 21, 2026 · 50 Miler · Old Fort, NC

1 on waitlist 146 registered

Loud Thunder 50M

Final Sold out

April 18, 2026 · 50 Miler · Illinois City, IL

1 on waitlist 51 registered

Cruel Jewel 50

Final Sold out

May 16, 2026 · 50 Miler · Blue Ridge, GA

4 on waitlist 134 registered

North Fork 50M

Final Sold out

May 30, 2026 · 50 Miler · Buffalo Creek, CO

15 on waitlist 125 registered