Road 100k events in the United States
Find road 100k events in the United States. Compare 7 upcoming events by date and location. Open a race guide for the course, recorded editions and official entry information where available.
Events to explore include Day of the Dead Running Series, Fat Ox Endurance Runs and Jackpot Ultras.
Narrow your search to Alaska, Arizona and Connecticut, or browse the other locations below.
Compare running races by distance, date and surface, from shorter road events to trail races and ultras.
7 listed events · 7 with upcoming dates
Upcoming 100k events
7 matching events, earliest date first. Entry availability is shown separately.
Day of the Dead Running Series
USALas Cruces, New Mexico
Two days of running beside the Rio Grande, with distances from 5K to ultra and optional early starts for longer races.
Date listed · latest organiser confirmation not yet checked.
Fat Ox Endurance Runs
USAGoodyear, Arizona
Timed endurance races and fixed-distance ultras on a short concrete loop around Estrella Mountain Regional Park’s turf picnic area.
Date listed · latest organiser confirmation not yet checked.
Jackpot Ultras
USAHenderson, Nevada
Loop races around Cornerstone Park.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
The Pistol
USAAlcoa, Tennessee
Ultras and shorter races on the Alcoa greenway loop.
Date listed · latest organiser confirmation not yet checked.
Blackbeard’s Revenge 100 Ultra
USACorolla, North Carolina
Outer Banks ultra races with separate 100-mile and 100-kilometre starts.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Jack Bristol Lake Waramaug Ultra Races
USAKent, Connecticut
Road ultras around scenic Lake Waramaug.
Date listed · latest organiser confirmation not yet checked.
Denali Ultras
USAAlpine Creek, Alaska
An endurance run along the Denali Highway from Alpine Creek Lodge towards Cantwell.
Date listed · latest organiser confirmation not yet checked.
Race archive
Past races and previous editions
Looking back at a race? Browse the guides below for recorded editions. This section also includes events awaiting a new date and cancelled editions. Previous editions of races in the upcoming calendar are available through their race guides above.
No separate archived race guides are listed for this selection yet.
View full race archive (0) →Choosing a race in United States
The unfiltered upcoming calendar includes events in Alcoa (1), Alpine Creek (1), Corolla (1). Use the town filter to compare locations, then check the race guide for the start venue and organiser’s travel information.
Questions about 100k events in United States
What should I check before a running event in United States?
Choose your distance, then check the route, elevation, cut-off time and entry conditions in the organiser’s race guide.
Which road 100k events are coming up in the United States?
Day of the Dead Running Series is listed for 24 October 2026. Fat Ox Endurance Runs is listed for 21 November 2026. Jackpot Ultras is listed for 20 February 2027 (status to be confirmed). Check the race guide and organiser’s latest information before making plans.
Where can I find race entry details for the United States?
Follow the link from the race guide to the organiser or entry provider, where one is available. Check the entry deadline, eligibility and current availability there. A listed race date does not necessarily mean entries are still open.
Why has a race moved out of the upcoming calendar?
Once its listed dates have passed, a race moves to the past-editions view unless another upcoming edition is recorded. Cancelled events also leave the upcoming list. The race guide stays available, and the event returns when a new date is added.