Race calendar · Spring 2027
Spring Ultramarathons 2027
62 ultramarathons across the US in spring 2027, March through May, grouped by month and sorted by date.
March 2027 Ultramarathons
March Ultra calendar Sat, Mar 6, 2027Conquer the Rock 25k & 50k Pickens, SCFrom $60Details Sat, Mar 6, 2027Crazy Desert Trail Race San Angelo, TXFrom $70Details Sat, Mar 6, 2027Newport News One City Marathon Newport News, VAFrom $155Details Sat, Mar 6, 2027Holly Springs Race Against the Sun Holly Springs, NCFrom $85Details Sat, Mar 6, 2027Etown Trail Classic Elizabethtown, KYFrom $75Details Sat, Mar 6, 2027ChesCo Race Fest Wayne, PAFrom $95Details Sat, Mar 6, 2027Antelope Canyon Ultras Charity Bibs Page, AZPricing TBADetails Sat, Mar 6, 2027Squatchapple West Orange, NJFrom $80Details Sat, Mar 13, 2027Monument Valley Ultra Monument Valley, UTFrom $120Details Sat, Mar 13, 2027The Pistol Alcoa, TNFrom $125Details Sat, Mar 13, 2027Miccosukee Glades Runner Miami, FLFrom $195Details Sat, Mar 13, 2027UltraTrax North Florida Live Oak, FLFrom $116Details Sat, Mar 20, 2027VALENCIA Trail Race Valencia, CAFrom $187Details Sat, Mar 20, 2027Redwood (Spring) Trail Run Oakland, CAFrom $90Details Sun, Mar 28, 2027Bluebonnet Trail Run 50 Miler • 50K • Marathon • Half Marathon & Ruck • 10K • 5K Marble Falls, TXFrom $100Details
April 2027 Ultramarathons
April Ultra calendar Sat, Apr 3, 2027Two Rivers Marathon Race Festival: Marathon, Half Marathon, 10K and 5K Lackawaxen, PAFrom $165Details Sat, Apr 3, 2027UltraTrax Bear Creek Macungie, PAFrom $126Details Sat, Apr 3, 2027MileBuilt Turkey Lake 2-Day Challenge Orlando, FLFrom $90Details Sat, Apr 3, 2027Release the Kraken 5K. 10K. 18 Miler & 50K Long Beach, CAFrom $85Details Sun, Apr 4, 2027Coast Guard Marathon Elizabeth City, NCFrom $160Details Sat, Apr 10, 2027Kal-Haven Trail Run Kalamazoo, MIRegistration opens Oct 1From $50Details Sat, Apr 10, 2027Covenant Health Knoxville Marathon, Half Marathon, Relays, 5K and Kids Run Knoxville, TNFrom $140Details Sat, Apr 10, 2027OAT Run Port Angeles, WAFrom $93Details Sat, Apr 10, 2027MadCity Ultras Madison, WIRegistration opens Oct 31From $120Details Sat, Apr 10, 2027Brazos Bend 50 Needville, TXFrom $100Details Sat, Apr 10, 2027UltraTrax Wisp McHenry, MDFrom $126Details Sat, Apr 10, 2027Zion Ultras Charity Bibs Apple Valley, UTPricing TBADetails Sun, Apr 11, 2027Mountains-to-Sea Trail 13M & 50K Challenge Durham, NCRegistration opens Dec 15From $80Details Sun, Apr 11, 2027Fifth Street Rock Monster Mertztown, PAFrom $190Details Fri, Apr 16, 2027Run4Kids Ultra Running Party Corona, CAFrom $89Details Sat, Apr 17, 2027Mountains 2 Beach Marathon and Half Ventura, CAFrom $190Details Sat, Apr 17, 2027Silver Moon Race: Kings River Reedley, CAFrom $260Details Sat, Apr 17, 2027Foot Levelers Blue Ridge Marathon Roanoke, VAFrom $140Details Sat, Apr 17, 2027Storm the Park Altura, MNRegistration opens Sep 30From $75Details Sat, Apr 17, 2027Horseshoe Lake Trail Run Los Gatos, CAFrom $90Details Sat, Apr 17, 202733 Ultra Odell, NEFrom $33Details Sat, Apr 17, 2027UltraTrax Massanutten Massanutten, VAFrom $126Details Sat, Apr 24, 2027The Jim Thorpe Area Running Festival Jim Thorpe, PAFrom $183Details Sat, Apr 24, 2027SPASM Lake Chabot Trail Run Castro Valley, CAFrom $90Details Sun, Apr 25, 20272Slow4Boston Marathon, Half & 50K Greer, SCFrom $80Details Sun, Apr 25, 2027Spokane River Run 2027 Nine Mile Falls, WARegistration opens Nov 1From $78Details Sun, Apr 25, 2027Seneca7 Geneva, NYRegistration opens Oct 29From $889Details Sun, Apr 25, 2027Walk for Warriors DC National Mall Washington, DCRegistration opens Jan 18, 2027From $15Details Fri, Apr 30, 2027LONG ISLAND MARATHON FESTIVAL East Meadow, NYRegistration opens Nov 1From $229Details Fri, Apr 30, 2027Shiprock Marathon Shiprock, NMFrom $160Details
May 2027 Ultramarathons
May Ultra calendar Sat, May 1, 2027Greenland Trail Races Larkspur, COFrom $35Details Sat, May 1, 2027Sunshine Double Winter Park, FLFrom $75Details Sat, May 1, 2027UltraTrax Greek Peak Cortland, NYFrom $126Details Sun, May 2, 2027Cocodona Charity Bibs Black Canyon City, AZPricing TBADetails Sat, May 8, 2027Traverse City Trail Running Festival Traverse City, MIFrom $75Details Sat, May 8, 2027Dawn To Dusk To Dawn Track Ultras Sharon Hill, PAFrom $100Details Sat, May 8, 2027Grizzly Peak Trail Run Berkeley, CAFrom $90Details Sat, May 8, 2027Trail Mix Race Rockford, MNFrom $70Details Mon, May 10, 20273 Days at the Fair Augusta, NJRegistration opens Sep 30From $150Details Sat, May 15, 2027KEYS100 Ultramarathon Key West, FLFrom $240Details Sat, May 15, 2027Endure Trail Runs Divide, CORegistration opens Dec 1From $100Details Sat, May 15, 2027Death by 5k Waterloo Waterloo, IAFrom $155Details Sat, May 22, 202716th Anniversary Rock N' Run Allentown, PARegistration opens Sep 30From $35Details Sun, May 23, 2027Diablo Trail Run Clayton, CAFrom $90Details Sat, May 29, 2027Fools Peninsula, OHRegistration opens Dec 1From $85Details Sat, May 29, 2027MileBuilt 3-Day Memorial Day Bridge Challenge Winter Park, FLFrom $85Details Sun, May 30, 2027UltraTrax Holiday Valley Ellicottville, NYFrom $126Details
