Worldwide 2016 – 2017 Ultramarathon Calendar

Looking for a comprehensive guide to 2016 – 2017 ultramarathons organized around the world? You can browse our list of half marathons or filter down the selection to a specific location, month or type of race. You’ll find iconic 100 milers, shorter races to test yourself in the ultra world, road races, mountain races, races in deserts. The diversity of ultra races is really amazing.

We consider any race longer than 42.195km or 26.1mi to be an ultramarathon if it is run in a single stage. If you’re looking for races that have a specific fixed duration (ex : 24hr races), you can check the X-hour race calendar. If you like races run on several stages across several days, check our Multiday race calendar

If you’re looking for new 2013 – 2014 ultramarathons to compete in, this is the place to start searching. More than 1,800 ultramarathons are listed in over 75 countries around the world.

3,178 races

Colorado Bend

Colorado Bend - 60k
August 05, 2017 Race day in 10 months
USA / West South Central / Texas / Colorado Bend State Park
Ultramarathon - 60 kilometers
Tejas Trails Trail Night

E.T. Full Moon Midnight Marathon, 1/2, 10K, & 51K

51 km
August 06, 2017 Race day in 10 months
USA / Mountain Region / Nevada / Rachel
Ultramarathon - 51 kilometers
Calico Racing Night

Trail EDF Cenis Tour

EDF Cenis Tour 50
August 06, 2017 Race day in 10 months
France / Rhône-Alpes / Savoie / Val Cenis Lanslebourg
Ultramarathon - 50 kilometers
UTMB Qualifier Trail Mountain

Trail EDF Cenis Tour

EDF Cenis Tour 73
August 06, 2017 Race day in 10 months
France / Rhône-Alpes / Savoie / Val Cenis Lanslebourg
Ultramarathon - 73 kilometers
UTMB Qualifier Trail Mountain

Thames Challenge

Cotswold Ultra
August 10, 2017 Race day in 11 months
United Kingdom / England / Gloucestershire / Kemble
Ultramarathon - 44.500 meters
Ultra Running Ltd

100 km Dodentocht®

August 11, 2017 Race day in 11 months
Belgium / Flanders / Bornem
Ultramarathon - 100 kilometers
UTMB Qualifier

Bigfoot 200 Mile Endurance Run

August 11, 2017 Race day in 11 months
USA / Pacific / Washington / Marble Mountain Sno-Park
Ultramarathon - 205 miles
Trail

Thames Challenge

Oxford Ultra
August 11, 2017 Race day in 11 months
United Kingdom / England / Gloucestershire / Kemble
Ultramarathon - 65.700 miles
Ultra Running Ltd

Peak to Brew Relay

August 11, 2017 Race day in 11 months
USA / Mid-Atlantic / New York / Wilmington
Ultramarathon - 234 miles
Relay

Tierra Arctic Ultra

August 11, 2017 Race day in 11 months
Sweden / Nikkaluokta
Ultramarathon - 120 kilometers
Trail

Trans Scania

August 11, 2017 Race day in 11 months
Sweden / Lund
Ultramarathon - 246 kilometers
UTMB Qualifier

100MeilenBerlin

August 12, 2017 Race day in 11 months
Germany / Berlin / Berlin
Ultramarathon - 100 miles
Flat Road Running Die Langstreckenlauf-Gemeinschaft

Martha Moats Baker Memorial 50Km

August 12, 2017 Race day in 11 months
USA / South Atlantic / Virginia / Stokesville
Ultramarathon - 50 kilometers
Trail

Stour Valley Path 100km Ultra Run

August 12, 2017 Race day in 11 months
United Kingdom / England / Suffolk / Newmarket
Ultramarathon - 100 kilometers
UTMB Qualifier Hilly Green Trail Extreme Fast

Thames Challenge

Windsor Ultra
August 12, 2017 Race day in 11 months
United Kingdom / England / Gloucestershire / Kemble
Ultramarathon - 43.400 miles
Ultra Running Ltd