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Ultramarathon Events

Ultramarathons, or ultras, are any running races beyond the standard marathon distance of 26.2 miles (or 42.2k). The most common ultra distances are 50k, 100k, 50 miles, or 100 miles, but each event is unique in terms of distance and terrain. The International Association of Athletics Federation recognises world records at ultramarathon events that have a distance of 100km. There are even 24hr ultramarathons, where the distance is unlimited, or multiday ultras, where the distance can extend beyond 1000km. There are a couple of city-based ultramarathons, but most ultras make the most of the USA's stunning scenery and landscapes. A lot of these events go off-road and require trail-running over difficult terrain with steep climbs or along rugged coastlines. There are over 1,500 ultramarathon events in the USA. One of the most famous and most difficult events is the Badwater Ultramarathon, which is 135 miles long through the searing heat and arduous terrain of Death Valley.

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Tie Dye 50k

Saturday 18 May 2024

145. Tie Dye 50k

Location

Yellow Springs, Ohio

Running

ultramarathon

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Yamacraw Trail Runs

Saturday 18 May 2024

146. Yamacraw Trail Runs

Location

Stearns, Kentucky

Running

ultramarathon, 10k and more

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Miles 2 Meals 100 Mile Relay

Saturday 18 May 2024

147. Miles 2 Meals 100 Mile Relay

Location

Pittsburgh, Pennsylvania

Running

ultramarathon

Heart
San Francisco 50mi/50K Endurance Run - DISCONTINUED

Saturday 18 May 2024

148. San Francisco 50mi/50K Endurance Run - DISCONTINUED

Location

Marin County, California

Running

ultramarathon and more

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Blue 2024

Saturday 18 May 2024

149. Blue 2024

Location

Austin, Texas

Running

ultramarathon

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TPK Run the Jewels

Saturday 18 May 2024

150. TPK Run the Jewels

Location

Stanhope, New Jersey

Running

ultramarathon

Heart
Sehgahunda Trail Marathon, Marathon Relay, & Vale of Three Falls

Saturday 18 May 2024

151. Sehgahunda Trail Marathon, Marathon Relay, & Vale of Three Falls

Location

Saint James, New York

Running

5k, 10k, ultramarathon and more

Heart
Mark Forester JAG 28 Birthday Walk/Ruck

Saturday 18 May 2024

152. Mark Forester JAG 28 Birthday Walk/Ruck

Location

Haleyville, Alabama

Running

ultramarathon

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Free Spirit 50k

Saturday 18 May 2024

153. Free Spirit 50k

Location

Leyden, Massachusetts

Running

ultramarathon

Heart
Big D's Backyard Ultra and Trail Race

Saturday 18 May 2024

154. Big D's Backyard Ultra and Trail Race

Location

Kawartha Lakes, Kawartha Lakes

Running

marathon, ultramarathon and more

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First State Trail Race

Sunday 19 May 2024

155. First State Trail Race

Location

Wilmington, Delaware

Running

10k, ultramarathon and more

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Highball to Thurmond Ultra & Relay

Sunday 19 May 2024

156. Highball to Thurmond Ultra & Relay

Location

Thurmond, West Virginia

Running

ultramarathon

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Trail du Coureur des Bois de Duchesnay

Monday 20 May 2024

157. Trail du Coureur des Bois de Duchesnay

Location

Sainte-Catherine-de-la-Jacques-Cartier, Capitale-Nationale

Running

ultramarathon and more

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Highland Forest 1-2-3 Trail Run

Saturday 25 May 2024

158. Highland Forest 1-2-3 Trail Run

Location

Fabius, New York

Running

10 miles, ultramarathon and more

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River's Edge Trail Race

Saturday 25 May 2024

159. River's Edge Trail Race

Location

Georgetown, Texas

Running

ultramarathon, 10 miles, 5k and more

Heart
Nebraska 50k Classic Relay

Saturday 25 May 2024

160. Nebraska 50k Classic Relay

Location

Pickrell, Nebraska

Running

ultramarathon

Heart
Trail Festival at Pineland Farms

Saturday 25 May 2024

161. Trail Festival at Pineland Farms

Location

New Gloucester, Maine

Running

ultramarathon, 5k, 10k and more

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Leavenworth Trail Fest

Saturday 25 May 2024

162. Leavenworth Trail Fest

Location

Leavenworth, Washington

Running

ultramarathon, 5k and more

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Fools Trail Race 25k/50k/50m/100k

Saturday 25 May 2024

163. Fools Trail Race 25k/50k/50m/100k

Location

Peninsula, Ohio

Running

ultramarathon and more

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Donot Stop - Cedar Falls, IA

Saturday 25 May 2024

164. Donot Stop - Cedar Falls, IA

Location

Cedar Falls, Iowa

Running

5k, 10k, ultramarathon and more

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Spin the Lakes Cycle Tour 2024

Saturday 25 May 2024

165. Spin the Lakes Cycle Tour 2024

Location

Huntsville, Muskoka District Municipality

Running

ultramarathon and more

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Velvet Ditch Gran Fondo 2024

Saturday 25 May 2024

166. Velvet Ditch Gran Fondo 2024

Location

Oxford, Mississippi

Running

ultramarathon and more

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Vest Up 4 the Fallen

Sunday 26 May 2024

167. Vest Up 4 the Fallen

Location

Boston, Massachusetts

Running

ultramarathon

Heart
Sulphur Springs Trail Race 2024

Sunday 26 May 2024

168. Sulphur Springs Trail Race 2024

Location

Hamilton, Hamilton

Running

10k, ultramarathon and more

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Firebreak Running Festival

Saturday 1 Jun 2024

169. Firebreak Running Festival

Location

Columbia, South Carolina

Running

ultramarathon and more

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KT82 Trail Relay

Saturday 1 Jun 2024

170. KT82 Trail Relay

Location

St. Louis, Missouri

Running

ultramarathon

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Rainier to Ruston

Saturday 1 Jun 2024

171. Rainier to Ruston

Location

Tacoma, Washington

Running

ultramarathon

Heart
Eastern Sierra Double Century

Saturday 1 Jun 2024

172. Eastern Sierra Double Century

Location

Bishop, California

Running

ultramarathon

Heart
Worlds End Ultramarathon

Saturday 1 Jun 2024

173. Worlds End Ultramarathon

Location

Forksville, Pennsylvania

Running

ultramarathon

Heart
Great Mansfield Outdoors 2024

Saturday 1 Jun 2024

174. Great Mansfield Outdoors 2024

Location

Dufferin County, Dufferin County

Running

ultramarathon, 10k, 5k and more

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Tour de Melon

Saturday 1 Jun 2024

175. Tour de Melon

Location

Chiefland, Florida

Running

ultramarathon

Heart
2024 Run for Water Trail Race

Saturday 1 Jun 2024

176. 2024 Run for Water Trail Race

Location

Abbotsford, Fraser Valley

Running

10k, ultramarathon and more

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Chester Woods Trail Races Mason Run

Sunday 2 Jun 2024

177. Chester Woods Trail Races Mason Run

Location

Eyota, Minnesota

Running

5k, 10 miles, ultramarathon

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Independence Series - Day 1 (DE)

Wednesday 5 Jun 2024

178. Independence Series - Day 1 (DE)

Location

Bear, Delaware

Running

marathon, half marathon, 5k, 10k, ultramarathon

Heart
Independence Series - Day 2 (MD)

Thursday 6 Jun 2024

179. Independence Series - Day 2 (MD)

Location

Elkton, Maryland

Running

marathon, half marathon, 5k, 10k, ultramarathon

Heart
MoMoFo100

Friday 7 Jun 2024

180. MoMoFo100

Location

Martinsville, Indiana

Running

ultramarathon

Heart
Scout Mountain Ultras

Friday 7 Jun 2024

181. Scout Mountain Ultras

Location

Pocatello, Idaho

Running

ultramarathon and more

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Independence Series - Day 3 (PA)

Friday 7 Jun 2024

182. Independence Series - Day 3 (PA)

Location

Birdsboro, Pennsylvania

Running

marathon, half marathon, 5k, 10k, ultramarathon

Heart
Relay Iowa

Friday 7 Jun 2024

183. Relay Iowa

Location

Sioux City, Iowa

Running

ultramarathon

Heart
Y'allhalla Ultras

Saturday 8 Jun 2024

184. Y'allhalla Ultras

Location

London, Kentucky

Running

ultramarathon

Heart
12 Hours of Asaayi Endurance Race

Saturday 8 Jun 2024

185. 12 Hours of Asaayi Endurance Race

Location

Navajo, New Mexico

Running

ultramarathon and more

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Triple Trail Challenge

Saturday 8 Jun 2024

186. Triple Trail Challenge

Location

Park City, Utah

Running

half marathon, ultramarathon and more

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REVENANT 50K Ultra | Half Marathon | Century Gravel Ride

Saturday 8 Jun 2024

187. REVENANT 50K Ultra | Half Marathon | Century Gravel Ride

Location

Billings, Montana

Running

ultramarathon, half marathon

Heart
Rock River Canyon Trail Run

Saturday 8 Jun 2024

188. Rock River Canyon Trail Run

Location

Munising, Michigan

Running

ultramarathon and more

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Independence Series - Day 4 (NJ)

Saturday 8 Jun 2024

189. Independence Series - Day 4 (NJ)

Location

Sussex, New Jersey

Running

marathon, half marathon, 5k, 10k, ultramarathon

Heart
NBMCA's Mattawa River Canoe Race

Saturday 8 Jun 2024

190. NBMCA's Mattawa River Canoe Race

Location

North Bay, Nipissing District

Running

ultramarathon and more

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MammothMarch Wisconsin

Saturday 8 Jun 2024

191. MammothMarch Wisconsin

Location

Campbellsport, Wisconsin

Running

ultramarathon and more

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Sooke Hills 50km and 25km

Saturday 8 Jun 2024

192. Sooke Hills 50km and 25km

Location

Sooke, Capital

Running

ultramarathon and more

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Showing 145 - 192 of 450 events
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