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Ultramarathon Waitlists & Entrant Lists

Live waitlist + entrant data for 156 ultramarathons across the US and Canada. Filter by state, distance, or qualifier — or sort by waitlist depth to see the hardest races to get into.

Showing 61 of 156 races

Run Rabbit Run 100 Mile Hares

Sold out WSER Q Hardrock Q

September 18 - 19, 2026 | Register Now · 100 Mile Hares · Steamboat Springs, CO

19 on waitlist 133 registered

Run Rabbit Run 100 Mile Tortoises

Sold out WSER Q Hardrock Q

September 18 - 19, 2026 | Register Now · 100 Mile Tortoises · Steamboat Springs, CO

17 on waitlist 455 registered

Run Rabbit Run 50M

Sold out

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

2 on waitlist 328 registered

Cowboy 200M

Sold out

September 25 - 28, 2026 | Register Now · 200 Miler · Norfolk, NE

1 on waitlist 109 registered

Cowboy 100M

Sold out

September 25 - 28, 2026 | Register Now · 100 Miler · Norfolk, NE

3 on waitlist 46 registered

Mammoth Trailfest Triple

Sold out

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

10 on waitlist 113 registered

Mammoth Trailfest 50k

Sold out

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

2 on waitlist 963 registered

Mammoth Trailfest 26k

Sold out

September 25 - 27, 2026 | Register Now · 26k · Mammoth Lakes, CA

81 on waitlist 972 registered

Mammoth Trailfest Dragon Ascent

Sold out

September 25 - 27, 2026 · Dragon Ascent · Mammoth Lakes, CA

1 on waitlist 383 registered

Indiana Trail 100 - 100M

WSER Q

10/09/2026 · 100 Miles · Albion, IN, IN

0 on waitlist 0 registered

Ghost Train Trail Races

Sold out

October 17 - 18, 2026 | Register Now · 30-Hour Ultramarathon · Brookline, NH

131 on waitlist 394 registered

Brazos Bend 100 - 100M

WSER Q

12/05/2026 · 100 Miles · Needville, TX, TX

0 on waitlist 0 registered

Rocky Raccoon 100, by USWE Endurance Trail Race - Rocky Raccoon 100mi

WSER Q

02/06/2027 · 100 Miles · Huntsville, TX, TX

0 on waitlist 0 registered

Baker Trail UltraChallenge

Sold out

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

1 on waitlist 68 registered

Cascade Crest

Sold out WSER Q Hardrock Q

July 17, 2026 | Register Now · 100 Miler · Easton, WA

114 on waitlist 184 registered

Charleston Itty Bitty 50

Sold out

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

1 on waitlist 93 registered

Copper Kings 100

Sold out

June 26, 2026 | Register Now · 100 Miler · Butte, MT

3 on waitlist 154 registered

Crazy Mountain 100

Sold out WSER Q

July 24, 2026 | Register Now · 100 mile · Lennep, MT

31 on waitlist 200 registered

Desert Solstice

Sold out

December 19, 2026 | Register Now · 24hrs · Phoenix, AZ

0 on waitlist 12 registered

Fat Dog 120M

Sold out WSER Q Hardrock Q

August 7, 2026 | Register Now · 120 Miler · Manning Park, BC

6 on waitlist 183 registered

Fat Dog 100k

Sold out

August 7, 2026 | Register Now · 100k · Manning Park, BC

57 on waitlist 198 registered

Fat Dog 40M

Sold out

August 7, 2026 | Register Now · 40 Miler · Manning Park, BC

32 on waitlist 120 registered

Hyner Trail Challenge

Sold out

April 17, 2027 | Register Now · 25K · Hyner, PA

0 on waitlist 1111 registered

IMTUF 100 - Idaho Mountain Trail Ultra Festival

Sold out WSER Q Hardrock Q

Idaho Mountain Trail Ultra Festival - September 19 - 20, 2026 | Register Now · 100 Miler · McCall, ID

70 on waitlist 206 registered

Jarmans Invitational Marathon

Sold out

August 1, 2026 | Register Now · 30 Miler · Crozet, VA

35 on waitlist 81 registered

Javelina Jundred 100M

Sold out WSER Q

October 31, 2026 | Register Now · 100 Miler · McDowell, AZ

665 on waitlist 999 registered

Javelina Jundred 100K

Sold out

October 31, 2026 | Register Now · 100K · McDowell, AZ

395 on waitlist 492 registered

Javelina Jundred Jackass 31K

Sold out

October 31, 2026 | Register Now · Jackass 31K · McDowell, AZ

203 on waitlist 322 registered

La Garita 200

Sold out

August 19, 2026 | Register Now · La Garita 200 · South Fork, CO

11 on waitlist 6 registered

Laurel Highlands Ultra 50K Relay

Sold out

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

3 on waitlist 23 registered

Long Haul 100

Sold out

January 16, 2027 | Register Now · 100 Miler · Lakeland, FL

20 on waitlist 328 registered

Many On The Genny

Sold out

June 20, 2026 | Register Now · 45 Miler · Castile, NY

1 on waitlist 144 registered

McKenzie River Trail Run

Sold out

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

12 on waitlist 259 registered

Mid-State Mile

Sold out

State Mile - June 20, 2026 | Register Now · Last Person Standing · Franklin, TN

48 on waitlist 114 registered

Mines of Spain 100M

Sold out

October 16, 2026 | Register Now · 100 Miler · Dubuque, IA

66 on waitlist 127 registered

Mines of Spain 100K

Sold out

October 16, 2026 | Register Now · 100K · Dubuque, IA

66 on waitlist 91 registered

Moab 240 Endurance Run

Sold out WSER Q

October 9, 2026 | Register Now · 240 Miler · Moab, UT

65 on waitlist 404 registered

Mountain Lakes 100

Sold out WSER Q

September 19, 2026 | Register Now · 100 Miler · Olallie Lake, OR

33 on waitlist 166 registered

Needles 50k

Sold out

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

3 on waitlist 75 registered

Route 66 UltraRun 140-Mile Crewed Runner

Sold out

November 14, 2026 | Register Now · 140-Mile Crewed Runner · Historic Route 66, AZ

19 on waitlist 21 registered

Route 66 UltraRun 140-Mile 3 Person Relay

Sold out

November 14, 2026 | Register Now · 140-Mile 3 Person Relay · Historic Route 66, AZ

19 on waitlist 5 registered

Route 66 UltraRun 140-Mile 4 Person Relay Team

Sold out

November 14, 2026 | Register Now · 140-Mile 4 Person Relay Team · Historic Route 66, AZ

19 on waitlist 1 registered

Route 66 UltraRun 140-Mile 5 Person Relay Team

Sold out

November 14, 2026 | Register Now · 140-Mile 5 Person Relay Team · Historic Route 66, AZ

19 on waitlist 7 registered

Route 66 UltraRun 140-Mile 6 Person Relay Team

Sold out

November 14, 2026 | Register Now · 140-Mile 6 Person Relay Team · Historic Route 66, AZ

19 on waitlist 14 registered

Route 66 UltraRun 100-Mile Crewed Runner

Sold out

November 14, 2026 | Register Now · 100-Mile Crewed Runner · Historic Route 66, AZ

19 on waitlist 20 registered

Route 66 UltraRun 100-Mile 3 Person Relay Team

Sold out

November 14, 2026 | Register Now · 100-Mile 3 Person Relay Team · Historic Route 66, AZ

19 on waitlist 3 registered

Route 66 UltraRun 100-Mile 4 Person Relay Team

Sold out

November 14, 2026 | Register Now · 100-Mile 4 Person Relay Team · Historic Route 66, AZ

19 on waitlist 0 registered

Route 66 UltraRun 100-Mile 5 Person Relay Team

Sold out

November 14, 2026 | Register Now · 100-Mile 5 Person Relay Team · Historic Route 66, AZ

19 on waitlist 4 registered

SHEastern States Weekend

Sold out

April 30 - May 3, 2026 · Women's Running Camp · Lock Haven, PA

16 on waitlist 0 registered

San Juan Solstice 50

Sold out

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

27 on waitlist 295 registered

Schuetzen NEIN! Hour Endurance Run

Sold out

June 20, 2026 | Register Now · 9hrs · Davenport, IA

3 on waitlist 89 registered

Steep Ultra

Sold out

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

12 on waitlist 99 registered

Swammie Shuffle 200

Sold out

February 28, 2027 | Register Now · 200 Miler · Virginia Beach, VA

19 on waitlist 30 registered

THE MAMMOTH

Sold out

October 2, 2026 | Register Now · the MAMMOTH · Mammoth Lakes, CA

1 on waitlist 238 registered

The Bear

Sold out

September 25, 2026 | Register Now · 100 Miler · Logan, UT

52 on waitlist 360 registered

The Georgia Death Race

Sold out

March 27, 2027 | Register Now · 74 Miler · Blairsville, GA

0 on waitlist 0 registered

The Golden 6 Hour

Sold out

October 10, 2026 | Register Now · 6hrs · Cle Elum, WA

0 on waitlist 0 registered

The John Cappis

Sold out

June 27, 2026 | Register Now · 19hrs · Silverton, CO

1 on waitlist 43 registered

The Void

Sold out

November 20, 2026 | Register Now · Enter The Void · Valley-Hi, PA

0 on waitlist 49 registered

The Yeti 100 Mile Endurance Run

Sold out WSER Q

October 9, 2026 | Register Now · 100 Miler · Abingdon, VA

6 on waitlist 347 registered

Virginia Highlands 3 Day Trail Running Camp

Sold out

June 19, 2026 | Register Now · Tiny Cabin #2 - Queen bed (Solo Traveler) · Mouth of Wilson, VA

1 on waitlist 2 registered

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