Oriflamme Trail Run

APR
11
2026
The Oriflamme 50k is an April trail run on a scenic 31.4-mile out-and-back course. It features a 2,000-foot descent into the desert and a challenging climb back up, with aid stations and a 9-hour limit. Participants receive a technical shirt and finisher medal.
Sat 11 Apr 2026
50 kilometers

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Event Overview

The Oriflamme 50k is a trail running event held in April. The course is an out-and-back style route totaling 31.4 miles (50 km). It has a 9-hour overall time limit and a participant limit of 150 runners. Registrants receive a technical t-shirt, and finishers receive a medal.

The Course

The run starts and finishes at the Sunrise Trailhead. The route follows the Pacific Crest Trail north to the Mason Valley Truck Trail, then descends approximately 2,000 feet into the desert via Oriflamme Canyon. Runners continue on the California Riding & Hiking Trail, crossing S2 road and passing through Box Canyon to the turnaround point in Blair Valley. The return journey features a significant climb back up Oriflamme Canyon. The terrain includes single-track trail, a truck trail, and sandy or rocky desert paths.

Aid Stations and Cutoffs

Multiple aid stations are placed along the course, fully stocked with water, electrolyte drink, gels, fruit, salty snacks, sweets, and other foods. There are three specific time cutoffs: at the Blair Valley turnaround point (mile 15.7), at the Mason Valley Aid Station on the return (mile 26.0), and at the finish line.

Additional Information

Packet pickup is available before the race at a designated running store. There is an early start option available. Post-race food is provided. The event is part of the SoCal Ultra Series. Visit the organization's website for the most recent information.

50 km
50k Course