Black Canyon Ultras

Black Canyon Ultras : February 14-15, 2026

The Black Canyon Ultras are point-to-point trail races on the Black Canyon National Recreation Trail in central Arizona. The event includes the following distances:

• 100K (62.2 miles)
• 50K (32.2 miles)

Both races start at Mayer High School in Spring Valley. The 100K finishes at the Emery Henderson Trailhead near New River; the 50K finishes at Deep Canyon Ranch in Black Canyon City. Entry limits are 1,200 runners per distance. The 100K is a Western States qualifier; completion under 17 hours is required for lottery eligibility. Top three men and top three women in the 100K receive automatic Western States qualification, with bids sliding to lower places if needed.

Course and logistics

Courses are on a non-motorized trail featuring single track, jeep roads, and sections of an old stagecoach route. The 100K covers a 55-mile section of the Black Canyon Trail and includes creek crossings and several gate and road crossings. Key race characteristics: Visit the organization's website for the most recent information.

• 100K time limit 20 hours; estimated +5,219 ft gain and -7,337 ft loss.
• 50K time limit 11 hours; estimated +2,004 ft gain and -4,005 ft loss.
• 100K has nine aid stations spaced about 4.5-9 miles; 50K has six aid stations spaced about 4.5-8 miles.
• Aid stations provide GU Roctane and GU gels, Gatorade, salt tabs, fruit, snacks, and hot options; the race is cupless so runners must carry their own drink container.
• Crewing is allowed at specified aid stations; pacers are permitted for the 100K starting at Deep Canyon Ranch with one human pacer on foot per runner and required pacer bib and waiver.
• Drop bags are allowed at designated aid stations for each distance. Registration closes Feb 7, 2026.