https://www.ocrbase.com/events?country=US&type=ocr https://www.ocrbase.com/favicon.png https://www.ocrbase.com/events?country=US&type=ocr ocrbase Fri, 17 Apr 2026 04:14:11 GMT Fri, 17 Apr 2026 04:14:11 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,Kids Race,Hurricane Heat,HH12HR,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 Thu, 16 Apr 2026 04:48:31 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 Thu, 16 Apr 2026 04:48:30 GMT Event Type(s): Sprint,Super,Beast,Kids Race,HH12HR,Hurricane Heat,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 Wed, 15 Apr 2026 09:13:39 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 Wed, 15 Apr 2026 09:13:38 GMT Event Type(s): Sprint,Super,Kids Race,Hurricane Heat,HH12HR,Spectators
Start: 2027-04-03
End: 2027-04-04]]> https://www.ocrbase.com/events/2027-charlotte-spartan-event-weekend-april-3-2027 urn:unbreakable:events:spartan:10814 Mon, 06 Apr 2026 14:41:43 GMT Event Type(s): Sprint,Super,Beast,Ultra,Kids Race,Spectators
Start: 2027-04-03
End: 2027-04-04]]> https://www.ocrbase.com/events/2027-san-jose-spartan-trifecta-weekend-april-3-2027 urn:unbreakable:events:spartan:10874 Fri, 03 Apr 2026 14:38:48 GMT Event Type(s): Sprint,Kids Race,HH12HR,Hurricane Heat,Spectators
Start: 2027-03-27
End: 2027-03-28]]> https://www.ocrbase.com/events/2027-palm-beaches-spartan-event-weekend-march-27-2027 urn:unbreakable:events:spartan:10776 Mon, 30 Mar 2026 14:59:08 GMT Event Type(s): Sprint,Super,Beast,Ultra,Kids Race,Obstacle Workshop,Spectators
Start: 2026-11-07
End: 2026-11-08]]> https://www.ocrbase.com/events/2026-slo-cal-spartan-trifecta-weekend-november-7-2026 urn:unbreakable:events:spartan:10132 Wed, 25 Mar 2026 14:54:22 GMT Event Type(s): Trail 50K,Trail 10K,Trail 21K,Spectators
Start: 2026-11-08
End: 2026-11-08]]> https://www.ocrbase.com/events/spartan-trail-slo-cal-november-8-2026 urn:unbreakable:events:spartan:10178 Wed, 25 Mar 2026 14:54:22 GMT Event Type(s): TMINF,TM5K,TM15K
Start: 2027-03-20
End: 2027-03-20]]> https://www.ocrbase.com/events/spartan-2027-los-angeles-tough-mudder-event-weekend-march-20-2027 urn:unbreakable:events:spartan:10784 Mon, 23 Mar 2026 14:50:57 GMT Event Type(s): Tough Mudder,Infinity
Start: 2027-03-20
End: 2027-03-20]]> https://www.ocrbase.com/events/tough-mudder-los-angeles-march-20-2027 urn:ocrbase:events:toughmudder:us:56282 Mon, 23 Mar 2026 14:50:55 GMT Event Type(s): Sprint,Super,Beast,Kids Race,Hurricane Heat,Obstacle Workshop,Spectators
Start: 2026-09-19
End: 2026-09-20]]> https://www.ocrbase.com/events/2026-seattle-spartan-north-american-championship-weekend-september-19-2026 urn:unbreakable:events:spartan:9968 Tue, 17 Mar 2026 14:50:56 GMT Event Type(s): Sprint,Super,Beast,Kids Race,Spectators
Start: 2027-03-20
End: 2027-03-21]]> https://www.ocrbase.com/events/2027-houston-spartan-trifecta-weekend-march-20-2027 urn:unbreakable:events:spartan:10740 Mon, 16 Mar 2026 20:33:41 GMT Event Type(s): Sprint,Super,Beast,Kids Race,Spectators
Start: 2027-03-13
End: 2027-03-14]]> https://www.ocrbase.com/events/2027-atlanta-spartan-trifecta-weekend-march-13-2027 urn:unbreakable:events:spartan:10782 Mon, 16 Mar 2026 20:33:40 GMT Event Type(s): Trail 50K,Trail 25K,Spectators,Trail 50M,Trail 15K
Start: 2027-01-23
End: 2027-01-24]]> https://www.ocrbase.com/events/spartan-golden-gate-trail-classic-january-23-2027 urn:unbreakable:events:spartan:10790 Fri, 13 Mar 2026 20:29:01 GMT Event Type(s): Trail 10K,Spectators
Start: 2027-03-14
End: 2027-03-14]]> https://www.ocrbase.com/events/spartan-2027-atlanta-trail-experience-march-14-2027 urn:unbreakable:events:spartan:10777 Fri, 13 Mar 2026 14:39:12 GMT Event Type(s): Stadion,Kids Race,Spectators
Start: 2027-01-01
End: 2026-12-31]]> https://www.ocrbase.com/events/2027-new-york-stadium-spartan-stadion-event-date-tbd-january-1-2027 urn:unbreakable:events:spartan:10771 Fri, 13 Mar 2026 14:39:09 GMT Event Type(s): Trail 50K,Trail 10K,Trail 21K,Spectators
Start: 2026-08-08
End: 2026-08-08]]> https://www.ocrbase.com/events/spartan-2026-lake-placid-trail-challenge-august-8-2026 urn:unbreakable:events:spartan:10763 Mon, 09 Mar 2026 20:28:27 GMT Event Type(s): TMINF,TM5K,TM15K
Start: 2027-02-27
End: 2027-02-27]]> https://www.ocrbase.com/events/spartan-2027-austin-tough-mudder-event-weekend-february-27-2027 urn:unbreakable:events:spartan:10696 Mon, 02 Mar 2026 20:31:35 GMT Event Type(s): Sprint,Super,Kids Race,Spectators
Start: 2027-02-27
End: 2027-02-28]]> https://www.ocrbase.com/events/2027-jacksonville-spartan-event-weekend-february-27-2027 urn:unbreakable:events:spartan:10706 Mon, 02 Mar 2026 14:39:43 GMT