Road ultramarathons in the United States
Find road ultramarathons in the United States. Compare 29 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, The New Orleans Ultramarathon and Half and Chicago Lakefront Ultras.
Narrow your search to Florida, Texas and Nevada, or browse the other locations below.
29 listed events · 29 with upcoming dates
Upcoming ultramarathons
29 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.
· 100K / 50K
Race details, entry and past editions →Entry information ↗The New Orleans Ultramarathon and Half
USANew Orleans, Louisiana
Urban races through New Orleans on paved roads and paths, finishing at Second Line Brewing. The ultra and half-marathon courses have different starting…
· 50K
Race details, entry and past editions →Entry information ↗Chicago Lakefront Ultras
USAChicago, Illinois
Autumn ultramarathons on Chicago’s paved lakefront path, starting and finishing at Foster Avenue Beach House.
· 50K
Race details, entry and past editions →Entry information ↗Azalea 12/24 Hour
USAPalatka, Florida
Fixed-distance and timed endurance races on a paved two-mile loop at Ravine Gardens State Park.
· 50K
Race details, entry and past editions →Entry information ↗The Crunchwrap Crawl
USAKennewick, Washington
A timed urban running challenge linking local Taco Bell restaurants, with mandatory food purchases and consumption as part of the race rules.
· 50K
Race details, entry and past editions →Entry information ↗Mustang Marathon (Hill Country Trivium)
USAMarble Falls, Texas
Formerly Hill Country Trivium, this road running festival follows hilly country roads from Mustang Stadium and includes a youth mile.
· 50K
Race details, entry and past editions →Entry information ↗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.
· 100K / 50K
Race details, entry and past editions →Entry information ↗Hunter S. Thompson Fear and Loathing
USASan Francisco, California
Self-navigated urban ultras from Twin Peaks through San Francisco, with free entry and optional trail sections on the longer route.
· 50K · Entry closed
Race details, entry and past editions →PPTC Endurance Fest
USABrooklyn, New York
Looped road ultras in Prospect Park, with a shared start and finish near the Lincoln Road entrance.
· 50K
Race details, entry and past editions →Entry information ↗Tidewater Striders Dismal Swamp
USAChesapeake, Virginia
Races on the paved Dismal Swamp Canal Trail, using closed-road out-and-back courses.
· 50K
Race details, entry and past editions →Entry information ↗Daytona 100
USAJacksonville Beach, Florida
Point-to-point road ultras along Florida’s Atlantic coast, finishing at the Ponce Inlet Lighthouse.
· 50K
Race details, entry and past editions →Entry information ↗BMW Dallas Marathon
USADallas, Texas
A December weekend of road races in downtown Dallas, from a Friday mile and junior races to the Sunday marathon, half marathon and 50K.
· 50K · Entry closed
Race details, entry and past editions →Star of Texas
USASpicewood, Texas
Looped road races at Pace Bend Park, listed by the organiser as the Holiday Victory Lap and currently entered as Star of Texas.
· 50K
Race details, entry and past editions →Entry information ↗Tucson Marathon
USATucson, Arizona
Point-to-point road races through the Sonoran Desert, with a marathon, half marathon and 50K finishing in Tucson.
· 50K
Race details, entry and past editions →Entry information ↗Texas Double
USADallas, Texas
Two days of looped road races around Bachman Lake, with three distances available on each day.
· 50K
Race details, entry and past editions →Entry information ↗Holiday Five
USAWinter Park, Florida
Five consecutive days of low-key races on the paved Cady Way Trail, with five distances each day.
· 50K
Race details, entry and past editions →Entry information ↗Go Big
USAVolcano, Hawaii
Long-distance road races across Hawaii’s Big Island, starting in Volcano.
· 50K
Race details, entry and past editions →Entry information ↗Monroe Cross Trail Ultra
USADeBary, Florida
Paved multiuse-path races finishing at Central 28 Beer Company in DeBary.
· 50K
Race details, entry and past editions →Entry information ↗Snowbird Challenge
USAGreenville, South Carolina
Paved-loop races with a new lap starting every 45 minutes at Riverwest Preserve.
· 50K
Race details, entry and past editions →Entry information ↗Southern Freeze
USAColumbus, Georgia
Winter paved-path races along the Chattahoochee RiverWalk.
· 50K
Race details, entry and past editions →Entry information ↗Go Short, Go Long, Go Very Long
USATulsa, Oklahoma
Road and paved-path races along Tulsa’s Riverparks trails.
· 50K
Race details, entry and past editions →Entry information ↗Live Oak Ultra
USABiloxi, Mississippi
An urban ultra and half marathon through Biloxi and Ocean Springs.
· 50K
Race details, entry and past editions →Entry information ↗Jackpot Ultras
USAHenderson, Nevada
Loop races around Cornerstone Park.
· 100K · Status TBC
Race details, entry and past editions →Labor of Love
USALas Vegas, Nevada
Road races on the paved Lovell Canyon Road.
· 50K · Status TBC
Race details, entry and past editions →The Pistol
USAAlcoa, Tennessee
Ultras and shorter races on the Alcoa greenway loop.
· 100K / 50K
Race details, entry and past editions →Entry information ↗Blackbeard’s Revenge 100 Ultra
USACorolla, North Carolina
Outer Banks ultra races with separate 100-mile and 100-kilometre starts.
· 100K · Status TBC
Race details, entry and past editions →Jack Bristol Lake Waramaug Ultra Races
USAKent, Connecticut
Road ultras around scenic Lake Waramaug.
· 100K / 50K
Race details, entry and past editions →Entry information ↗Denali Ultras
USAAlpine Creek, Alaska
An endurance run along the Denali Highway from Alpine Creek Lodge towards Cantwell.
· 100K
Race details, entry and past editions →Entry information ↗Running With The Devil
USALas Vegas, Nevada
Road races on the paved Lovell Canyon Road.
· 50K · Status TBC
Race details, entry and past editions →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) →Browse states, counties and areas
Choosing a race in United States
The unfiltered upcoming calendar includes events in Dallas (2), Las Vegas (2), Alcoa (1). Use the town filter to compare locations, then check the race guide for the start venue and organiser’s travel information.
Questions about ultramarathons in United States
Which road ultramarathons are coming up in the United States?
Day of the Dead Running Series is listed for 24 October 2026. The New Orleans Ultramarathon and Half is listed for 24 October 2026. Chicago Lakefront Ultras is listed for 31 October 2026. 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.