ultras

Alabama

• mount cheaha 50k (february)
• pinhoti 100 (november)

Alaska

• susitna 100 (february)

Arizona

• zane grey highline trail 50 (april)

Arkansas

• arkansas traveller 100 (october)

California

• western states endurance run 100 (june)

Colorado

• hardrock hundred mile endurance run (july)
• leadville trail 100 (august)

Connecticut

• lake waramaug 100k (april)
• bimblers bluff 50k (october)

Delaware

• delaware 100 mile endurance run (september)

Florida

• iron horse 100 (february)
• lost 118 (february)
• keys 100 (may)

Georgia

• sweeth20 50k (april)

Hawaii

• h.u.r.t. 100 (january)

Idaho

• bear 100 (september)

Illinois

• chicago lakefront 50k (march)
• mcnaughton park trail runs (april)

Indiana

• opsf ultra 50/50 (november)

Iowa

• equalizer endurance run 6 & 24 hour (october)

Kansas

• psycho wyco run toto run (february)
• rockin k trail run (april)
• psycho wyco psummer (july)
• patriots' run (september)
• heartland 100 (october)

Kentucky

• land between the lakes 50 (march)

Louisiana

• louisiana trails mission 50k (november)

Maine

• pineland farms trail challenge (may)

Maryland

• mason dixon longest day challenge 100k (june)
• jfk 50 mile (november)

Massachusetts

• 24 hour around the lake (july)

Michigan

• hallucination 100 (september)

Minnesota

• zumbro 100 (april)
• fans 24 hour (june)
• superior sawtooth 100 (september)
• wild duluth races (october)

Mississippi

• mississippi 50 (march)

Missouri

• frisco fifty 50k (april)
• ozark trail 100 mile endurance run (november)

Montana

• swan crest lucky seven 100 (july)

Nebraska

• 
  

Nevada

• labor of love 100 miler (april)

New Hampshire

• 
  

New Jersey

• 3 days at the fair (may)

New Mexico

• jemez mountain trail runs (may)

New York

• beast of burden 100 (february)
• can lake 50 (october)

North Carolina

• umstead 100 mile endurance run (march)

North Dakota

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Ohio

• 
  

Oklahoma

Oregon

Pennsylvania

Puerto Rico

Rhode Island

South Carolina

South Dakota

• black hills 100 (june)
• lean horse 100 (august)

Tennessee

Texas

• rocky raccoon 100 (february)

Utah

• wasatch front 100 (september)

Vermont

Virginia

Washington

West Virginia

Wisconsin

• kettle moraine 100 (june)

Wyoming

• grand teton races (september)