Ultra races in United States — 2026 running calendar

Medford Mile Run

Medford, New Jersey, United States

09 May, 2026 (Sat)

Running

1.6K Ultra

Grizzly Peak Trail Run

Berkeley, California, United States

09 May, 2026 (Sat)

Trail running, Running

10K Half-Marathon 30K Marathon +2

UltraTrax Greek Peak

Cortland, New York, United States

09 May, 2026 (Sat)

Running

11.3K 22.5K 33.8K 45.1K

Wildflower Trail Races

Bastrop, Texas, United States

09 May, 2026 (Sat) – 10 May, 2026

Trail running, Running

Ultra 19.3K 8K 5K +8

Dawn To Dusk To Dawn Track Ultras

Sharon Hill, Pennsylvania, United States

09 May, 2026 (Sat) – 10 May, 2026

Running

49.9K

Quicksilver 100K and 50K

San Jose, California, United States

09 May, 2026 (Sat)

Running

Ultra 48.8K

Traverse City Trail Running Festival

Traverse City, Michigan, United States

08 May, 2026 (Fri) – 09 May, 2026

Running

10K 5K 25K Ultra +8

Cocodona Charity Bibs

Black Canyon City, Arizona, United States

04 May, 2026 (Mon) – 09 May, 2026

Running

Ultra

Keys To Freedom - Run/Walk Challenge

Anywhere, United States

03 May, 2026 (Sun) – 30 Nov, 2026

$50.00

Running

Ultra

2026 Cal Tri Ventura - 5.3.26

Ventura, California, United States

03 May, 2026 (Sun)

Triathlon, Running, Swimming

Ultra 4.8K 1.5K 9.7K

Finish The Ride and Finish The Run Griffith Park

Los Angeles, California, United States

02 May, 2026 (Sat) – 03 May, 2026

Running, Cycling

1K 5K 10K 15K +7

Sunshine Double

Winter Park, Florida, United States

02 May, 2026 (Sat) – 03 May, 2026

Running

49.9K Marathon Half-Marathon 10K +11