United States
- Alabama 36
- Alaska 16
- Arizona 50
- Arkansas 16
- California 159
- Colorado 72
- Connecticut 12
- Delaware 2
- District of Columbia
- Florida 81
- Georgia 53
- Hawaii 6
- Idaho 12
- Illinois 29
- Indiana 14
- Iowa 14
- Kansas 17
- Kentucky 12
- Louisiana 12
- Maine 10
- Maryland 13
- Massachusetts 10
- Michigan 33
- Minnesota 27
- Mississippi 9
- Missouri 26
- Montana 20
- Nebraska 10
- Nevada 18
- New Hampshire 7
- New Jersey 23
- New Mexico 9
- New York 42
- North Carolina 59
- North Dakota 4
- Ohio 32
- Oklahoma 14
- Oregon 48
- Pennsylvania 41
- Puerto Rico
- Rhode Island 2
- South Carolina 32
- South Dakota 7
- Tennessee 35
- Texas 115
- Utah 48
- Vermont 13
- Virginia 57
- Washington 70
- West Virginia 12
- Wisconsin 35
- Wyoming 8
Ultramarathon Calendar United States 2026-2027
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
Explore the best ultramarathons in the United States for 2026-2027! Our updated list features 1495 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
February 2027
Monthly updates for United States
Get new running races (and updates) in your inbox every month.