Skip to content
7,144 races in the next 12 months7,144 races 160 countries Free for runners and organizers No commission · no added feeNo commission
SundayMarathon
Find a race

Search marathons

3,254 marathons found for Ultra marathon. Keep the list broad first, then tighten the filters when a race looks realistic.





Clear filters

Advanced filters





Planning filters

Matching races

France
11MAY
ULTRA
Trail des Cerfs
France
May 11, 2027 MAY
United States
12MAY
ULTRA
17th Born to Run Ultra 4 days Marathon - 4d
United States
May 12, 2027 to May 16, 2027 MAY
Los Olivos, California, United States
12MAY
ULTRA
Born to Run Ultra Marathons
Los Olivos, California, United States
May 12, 2027 MAY
France
12MAY
ULTRA
Hannibal EY Raid
France
May 12, 2027 to May 16, 2027 MAY
Ireland
12MAY
ULTRA
MTC Dullahan
Ireland
May 12, 2027 MAY
France
12MAY
ULTRA
The 100 km of Steenwerck
France
May 12, 2027 MAY
New York, United States
12MAY
ULTRA
The GMA
New York, United States
May 12, 2027 MAY
United Kingdom
12MAY
ULTRA
The Great Welsh Ultra
United Kingdom
May 12, 2027 MAY
France
12MAY
ULTRA
Volvic Volcanic Experience (VVX)
France
May 12, 2027 to May 14, 2027 MAY
United States
13MAY
ULTRA
17th Born to Run Ultra 3 days Marathon - 3d
United States
May 13, 2027 to May 16, 2027 MAY
United States
13MAY
ULTRA
19th 3 Days at the Fair 72 Hour Race - 72h
United States
May 13, 2027 to May 16, 2027 MAY
China
13MAY
ULTRA
Jingxigudao
China
May 13, 2027 MAY
Reunion
13MAY
ULTRA
La salazienne
Reunion
May 13, 2027 MAY
Ireland
13MAY
ULTRA
Mtc Enbarr
Ireland
May 13, 2027 MAY
United Kingdom
13MAY
ULTRA
The MTC Hafren Ultra
United Kingdom
May 13, 2027 MAY
Australia
13MAY
ULTRA
Ultra-Trail Australia by UTMB®
Australia
May 13, 2027 to May 15, 2027 MAY
United States
14MAY
ULTRA
17th Born to Run Ultra 100 Mile Marathon - 100mi
United States
May 14, 2027 to May 16, 2027 MAY
United States
14MAY
ULTRA
19th 3 Days at the Fair 48 Hour Race - 48h
United States
May 14, 2027 to May 16, 2027 MAY
Morocco
14MAY
ULTRA
Itzer Trail
Morocco
May 14, 2027 to May 16, 2027 MAY
Ireland
14MAY
ULTRA
MTC Ollipheist
Ireland
May 14, 2027 MAY
United Kingdom
14MAY
ULTRA
The MTC Severn Plod Ultra
United Kingdom
May 14, 2027 MAY
France
14MAY
ULTRA
Trail Alsace Grand Est by UTMB®
France
May 14, 2027 to May 16, 2027 MAY
France
14MAY
ULTRA
Trail of Haute Provence (THP)
France
May 14, 2027 to May 16, 2027 MAY
United Kingdom
14MAY
ULTRA
Ultra-Trail Snowdonia Eryri by UTMB®
United Kingdom
May 14, 2027 to May 16, 2027 MAY

Organizers can submit official sources for a free listing review and track the listing from the Organizer dashboard. We verify the official source before publishing — no fee.

  • Free listing review
  • Official source verification
  • Runner-ready listing
  • Organizer dashboard

If your race appears in the results, use Update listing from the row. Missing race? Submit it for free with this page context prefilled.

List your race — free How review works