https://www.ocrbase.com/events?count=40&country=US&type=ocr https://www.ocrbase.com/favicon.png https://www.ocrbase.com/events?count=40&country=US&type=ocr ocrbase Tue, 12 May 2026 10:56:53 GMT Tue, 12 May 2026 10:56:53 GMT 1440 https://www.ocrbase.com/favicon.png https://www.ocrbase.com/images/ocrbase-black.svg https://www.ocrbase.com/images/ocrbase-black.svg Event Type(s): Sprint,Super,Beast,Kids Race,Hurricane Heat,HH12HR,Spectators
Start: 2026-11-21
End: 2026-11-22]]> https://www.ocrbase.com/events/2026-san-antonio-spartan-trifecta-weekend-november-21-2026 urn:unbreakable:events:spartan:10207 Tue, 12 May 2026 10:27:08 GMT Event Type(s): Sprint,Super,Kids Race,HH12HR,Hurricane Heat,Obstacle Workshop,Spectators
Start: 2026-10-03
End: 2026-10-04]]> https://www.ocrbase.com/events/2026-las-vegas-spartan-event-weekend-october-3-2026 urn:unbreakable:events:spartan:9835 Mon, 11 May 2026 21:12:57 GMT Event Type(s): Sprint,Super,Kids Race,Hurricane Heat,HH12HR,Spectators
Start: 2026-05-16
End: 2026-05-17]]> https://www.ocrbase.com/events/2026-austin-spartan-event-weekend-may-16-2026 urn:unbreakable:events:spartan:9522 Mon, 11 May 2026 21:12:56 GMT Event Type(s): Sprint,Super,Beast,Ultra,Kids Race,Spectators
Start: 2027-05-08
End: 2027-05-09]]> https://www.ocrbase.com/events/2027-montana-spartan-trifecta-weekend-may-8-2027 urn:unbreakable:events:spartan:11035 Mon, 11 May 2026 16:28:45 GMT Event Type(s): Sprint,Super,Kids Race,Hurricane Heat,HH12HR,HH24HR,Obstacle Workshop,Spectators
Start: 2026-10-03
End: 2026-10-04]]> https://www.ocrbase.com/events/2026-nashville-spartan-event-weekend-october-3-2026 urn:unbreakable:events:spartan:10028 Mon, 11 May 2026 16:28:44 GMT Event Type(s): Sprint,Super,Beast,Ultra,Kids Race,Spectators
Start: 2026-06-06
End: 2026-06-07]]> https://www.ocrbase.com/events/2026-cincinnati-spartan-trifecta-weekend-june-6-2026 urn:unbreakable:events:spartan:9611 Mon, 11 May 2026 16:28:43 GMT Event Type(s): Sprint,Super,Kids Race,Obstacle Workshop,Spectators
Start: 2026-06-27
End: 2026-06-28]]> https://www.ocrbase.com/events/2026-new-england-spartan-event-weekend-june-27-2026 urn:unbreakable:events:spartan:9799 Mon, 11 May 2026 16:28:42 GMT Event Type(s): Sprint,Super,Beast,Ultra,Kids Race,Obstacle Workshop,Spectators
Start: 2026-05-30
End: 2026-05-31]]> https://www.ocrbase.com/events/2026-colorado-springs-spartan-trifecta-weekend-may-30-2026 urn:unbreakable:events:spartan:9565 Tue, 05 May 2026 20:57:59 GMT Event Type(s): Sprint,Super,Kids Race,Obstacle Workshop,Spectators
Start: 2026-06-06
End: 2026-06-07]]> https://www.ocrbase.com/events/2026-tri-state-new-york-spartan-event-weekend-june-6-2026 urn:unbreakable:events:spartan:9608 Tue, 05 May 2026 20:57:58 GMT Event Type(s): Sprint,Super,Kids Race,Spectators
Start: 2027-05-01
End: 2027-05-02]]> https://www.ocrbase.com/events/2027-seattle-spartan-event-weekend-may-1-2027 urn:unbreakable:events:spartan:10962 Mon, 04 May 2026 15:57:41 GMT Event Type(s): Stadion,Kids Race,Spectators
Start: 2027-05-01
End: 2027-05-01]]> https://www.ocrbase.com/events/2027-raymond-james-stadium-spartan-stadion-5k-may-1-2027 urn:unbreakable:events:spartan:10994 Mon, 04 May 2026 15:57:39 GMT Event Type(s): Sprint,Super,Beast,Ultra,Kids Race,Spectators
Start: 2027-05-01
End: 2027-05-02]]> https://www.ocrbase.com/events/2027-fayetteville-spartan-trifecta-weekend-may-1-2027 urn:unbreakable:events:spartan:10989 Mon, 04 May 2026 15:57:37 GMT Event Type(s): Worlds Toughest Mudder
Start: 2026-06-27
End: 2026-06-28]]> https://www.ocrbase.com/events/tough-mudder-world-s-toughest-mudder-june-27-2026 urn:ocrbase:events:toughmudder:us:54693 Mon, 04 May 2026 15:57:35 GMT Event Type(s): HH12HR,Hurricane Heat
Start: 2027-04-24
End: 2027-04-24]]> https://www.ocrbase.com/events/2027-atlanta-spartan-hurricane-heat-weekend-april-24-2027 urn:unbreakable:events:spartan:10909 Wed, 29 Apr 2026 20:58:51 GMT Event Type(s): TM5K,TM15K
Start: 2027-04-24
End: 2027-04-24]]> https://www.ocrbase.com/events/spartan-2027-atlanta-tough-mudder-event-weekend-april-24-2027 urn:unbreakable:events:spartan:10900 Mon, 27 Apr 2026 15:43:34 GMT Event Type(s): Sprint,Super,Beast,Ultra,Kids Race,Spectators
Start: 2027-04-24
End: 2027-04-25]]> https://www.ocrbase.com/events/2027-tri-state-new-jersey-spartan-trifecta-weekend-april-24-2027 urn:unbreakable:events:spartan:10954 Mon, 27 Apr 2026 15:43:33 GMT Event Type(s): Tough Mudder
Start: 2027-04-24
End: 2027-04-24]]> https://www.ocrbase.com/events/tough-mudder-atlanta-april-24-2027 urn:ocrbase:events:toughmudder:us:56443 Mon, 27 Apr 2026 15:43:32 GMT Event Type(s): Sprint,Super,Kids Race,Spectators
Start: 2027-04-10
End: 2027-04-11]]> https://www.ocrbase.com/events/2027-san-diego-spartan-event-weekend-april-10-2027 urn:unbreakable:events:spartan:10908 Mon, 20 Apr 2026 15:13:29 GMT Event Type(s): TMINF,TM5K,TM15K
Start: 2026-08-29
End: 2026-08-29]]> https://www.ocrbase.com/events/spartan-2026-chicago-tough-mudder-event-weekend-august-29-2026 urn:unbreakable:events:spartan:9904 Fri, 17 Apr 2026 20:39:54 GMT Event Type(s): Tough Mudder,Infinity
Start: 2026-08-29
End: 2026-08-29]]> https://www.ocrbase.com/events/tough-mudder-chicago-august-29-2026 urn:ocrbase:events:toughmudder:us:54977 Fri, 17 Apr 2026 14:52:12 GMT