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Details for this race  and its 7 related events  are listed below. Some races allow participant registration  for their events. Please check below and where available you may Register for Event  and see Who's Registered! Race Information Race Name: North Texas Ultra Location: Jacksboro State: Texas, United States Posted: April 1st, 2026 12:10 pm Event Information Name of Event: 100K Distance: 100.00 Measurement: Kilometers Date: Saturday February 6th, 2027 Start Time: 6:00 am Event Registration Schedule Currently runner registration is not available through the website of RunRace for this event. Click the Race Detail tab above and check with the specific race website for more information.   Event Information Name of Event: 52 Miler Distance: 52.00 Measurement: Miles Date: Saturday February 6th, 2027 Start Time: 7:00 am Event Registration Schedule Currently runner registration is not available through the website of RunRace for this event. Click the Race Detail tab above and check with the specific race website for more information.   Event Information Name of Event: 50K Distance: 50.00 Measurement: Kilometers Date: Saturday February 6th, 2027 Start Time: 7:00 am Event Registration Schedule Currently runner registration is not available through the website of RunRace for this event. Click the Race Detail tab above and check with the specific race website for more information.   Event Information Name of Event: 25K Distance: 25.00 Measurement: Kilometers Date: Saturday February 6th, 2027 Start Time: 7:30 am Event Registration Schedule Currently runner registration is not available through the website of RunRace for this event. Click the Race Detail tab above and check with the specific race website for more information.   Event Information Name of Event: 25K RUCK Distance: 25.00 Measurement: Kilometers Date: Saturday February 6th, 2027 Start Time: 7:30 am Event Registration Schedule Currently runner registration is not available through the website of RunRace for this event. Click the Race Detail tab above and check with the specific race website for more information.   Event Information Name of Event: 10K Distance: 10.00 Measurement: Kilometers Date: Saturday February 6th, 2027 Start Time: 7:30 am Event Registration Schedule Currently runner registration is not available through the website of RunRace for this event. Click the Race Detail tab above and check with the specific race website for more information.   Event Information Name of Event: 5K Distance: 5.00 Measurement: Kilometers Date: Saturday February 6th, 2027 Start Time: 7:30 am Event Registration Schedule Currently runner registration is not available through the website of RunRace for this event. Click the Race Detail tab above and check with the specific race website for more information.   2004-2026 : All rights reserved Terms and Conditions