Dalton Canyon Ultra

FEB
6
2027
Trail event in Glendora offering a 50K solo, a 4-person 50K relay, and a 10K loop; heavy elevation on dirt trails and proceeds support the Wildland Firefighter Foundation.
Sat 6 Feb 2027
50 kilometers 10 kilometers

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Dalton Canyon Ultra

Scheduled for February 6, 2027, at Big Dalton Campground in Glendora, California, within the Angeles National Forest. The event uses local trails and roads around Big Dalton Canyon.

  • 50K solo
  • 50K 4-person relay
  • 10K solo

The courses run primarily on dirt trails with sections of pavement. The 50K route records about 6,000 to 7,000 feet of total elevation gain and loss and includes multiple aid station touches along Glendora Mountain Road.

The 50K course starts and finishes at Big Dalton Campground and follows a long loop through the canyon and surrounding trail network, including Dalton Fire Station, Colby Garcia Trail, Glendora Mountain Road, Lower Monroe Trail, Mystic Canyon Trail, Big Dalton Canyon Trail, Poop Out, Punk Out, Truck Trail, the dam gate and Keiser Trail system, Wren Meacham Trail, and the Equestrian Area.

The 10K follows a loop from Big Dalton Campground onto Glendora Mountain Road, Lower Monroe Trail, Mystic Canyon, Big Dalton Canyon Trail, Keiser Trail system, Wren Meacham Trail, the Equestrian Area, and back to the campground.

The 50K relay is run in four legs with designated exchange points. Teams are categorized as men only, women only, or mixed, and no substitutions are allowed if a runner cannot complete a leg. Time cap for all events is 1600.

The event organizes fundraising for wildland firefighters; profits and donations for the first year will be donated to the Wildland Firefighter Foundation. Visit the organization's website for the most recent information.

50 km
50k: 4 Person Relay
50 km
50k Solo (early Start)
50 km
50k Solo
10 km
10k Solo

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