50K Ultramarathons with Waitlists

24 50k races tracked. Live waitlist sizes, registered runners, race dates. Browse all distances →

Lost Soul Ultra 50K

Sold out

September 11 - 12, 2026 | Register Now · 50K · Lethbridge, AB

78 on waitlist 171 registered

Mammoth Trailfest 50k

Sold out

September 25 - 27, 2026 | Register Now · 50k · Mammoth Lakes, CA

130 on waitlist 972 registered

Laurel Highlands Ultra 50K Relay

Sold out

June 13, 2026 | Register Now · 50K Relay · Ohiopyle, PA

3 on waitlist 23 registered

McKenzie River Trail Run

Sold out

June 13, 2026 | Register Now · 50K · Blue River, OR

12 on waitlist 259 registered

Needles 50k

Sold out

June 27, 2026 | Register Now · 50K · Easton, WA

9 on waitlist 80 registered

Steep Ultra

Sold out

September 5, 2026 | Register Now · Steep 50k · Corner Brook, NL

12 on waitlist 113 registered

Copper Corridor 50K

Final Sold out

February 28, 2026 · 50K · Superior, AZ

7 on waitlist 152 registered

Hashawha Hills

Final Sold out

February 28, 2026 · 50K · Westminster, MD

21 on waitlist 118 registered

Saint Marys Lake Trail Series 50K

Final Sold out

February 28, 2026 · 50K · Leonardtown, MD

18 on waitlist 0 registered

Mississippi Trail 50K

Final Sold out

March 6 - 7, 2026 · 50K · Laurel, MS

21 on waitlist 73 registered

Marin Ultra Challenge 50K

Final Sold out

March 14, 2026 · 50K · Sausalito, CA

31 on waitlist 269 registered

Two Prairies Ultra 50K

Final Sold out

March 14, 2026 · 50K · Fort McCoy, FL

5 on waitlist 38 registered

Ultramaraton Baja Trail 50 & Carrera 50K

Final Sold out

March 15, 2026 · 50K · Playas de Rosarito, BC

1 on waitlist 136 registered

The Big Alta 50K

Final Sold out

March 20 - 22, 2026 · 50K · Marinwood, CA

53 on waitlist 304 registered

Crown King Scramble

Final Sold out

March 28, 2026 · 50K · Phoenix, AZ

11 on waitlist 333 registered

Gorge Waterfalls 50K

Final Sold out

April 10 - 12, 2026 · 50K · Cascade Locks, OR

13 on waitlist 455 registered

Loud Thunder 50K

Final Sold out

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

2 on waitlist 61 registered

Mendocino Coast 50K

Final Sold out

April 18, 2026 · 50K · Mendocino, CA

19 on waitlist 156 registered

Run with the Goats 50K Beer

Final Sold out

April 18, 2026 · 50K Beer · Kennewick, WA

1 on waitlist 28 registered

Run with the Goats 50K Sober

Final Sold out

April 18, 2026 · 50K Sober · Kennewick, WA

2 on waitlist 10 registered

Run with the Goats 50K Light

Final Sold out

April 18, 2026 · 50K Light · Kennewick, WA

6 on waitlist 11 registered

Troublesome Hollow 50K

Final Sold out

April 25 - 26, 2026 · 50K · bristol, VA

4 on waitlist 0 registered

North Fork 50K

Final Sold out

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

97 on waitlist 197 registered

Kettle Moraine 50K

Final Sold out

June 13 - 14, 2026 | Register Now · 50K · LaGrange, WI

8 on waitlist 131 registered