Ultra races in United States — 2026 running calendar

EXCLUSIVE ONSITE REG! CLASH Endurance Daytona 2026

Daytona Beach, Florida, United States

04 Dec, 2026 (Fri) – 06 Dec, 2026

Running, Triathlon, Duathlon, Aquabike

5K 26.7K 27.5K 5.6K +9

Last Chance Ultra

Rogersville, Missouri, United States

05 Dec, 2026 (Sat) – 06 Dec, 2026

$65.00 - $150.00

Trail running, Running

Ultra 16.1K +1

San Joaquin River Trail 10k/25k/50k

Friant, California, United States

05 Dec, 2026 (Sat)

$50.00 - $140.00

Running

Ultra 25K 10K

Brazos Bend 100

Needville, Texas, United States

05 Dec, 2026 (Sat) – 06 Dec, 2026

Free - $250.00

Trail running, Running

Ultra Marathon Half-Marathon 1K +2

Bluff Park 8K

Birmingham, Alabama, United States

05 Dec, 2026 (Sat)

$20.00 - $30.00

Running

8K Ultra

Crooked Creek Ultra Trail Race

Shepherdsville, Kentucky, United States

05 Dec, 2026 (Sat) – 06 Dec, 2026

Free - $170.00

Trail running, Running

Ultra Marathon Half-Marathon 5K +9

Tidewater Strider Dismal Swamp 50K / Marathon /Half Marathon/50K Relay

Chesapeake, Virginia, United States

06 Dec, 2026 (Sun)

$40.00 - $80.00

Running, Walking

Ultra Marathon Half-Marathon +1

IronHike Amicalola Falls AT Approach Trail Fall

Dawsonville, Georgia, United States

09 Dec, 2026 (Wed) – 13 Dec, 2026

$145.00 - $4,485.00

Running, Trail running

Ultra 25.7K +13

Kenner's Ole Man River Half Marathon

Kenner, Louisiana, United States

12 Dec, 2026 (Sat)

Free - $90.00

Running, Walking

Half-Marathon 10K 5K 1.6K +6

Daytona 100 Ultra

Jacksonville Beach, Florida, United States

12 Dec, 2026 (Sat) – 13 Dec, 2026

$240.00 - $680.00

Running

Ultra

Star of Texas Holiday Victory Lap: 50 Miler • 50K • Marathon • Half Marathon • 10K • 5K

Spicewood, Texas, United States

13 Dec, 2026 (Sun)

$49.99 - $169.99

Running

Ultra Marathon Half-Marathon 10K +2

Texas Double

Dallas, Texas, United States

19 Dec, 2026 (Sat) – 20 Dec, 2026

$95.00 - $190.00

Running

Half-Marathon Marathon 49.9K +5