all races
Mission Trails Twilight Runs
by Endurance Race Series
trailSaturday, May 23, 2026
Mission Trails Regional Park — East Fortuna Staging Area
Mast Blvd, San Diego, CA 92119
Mast Blvd, San Diego, CA 92119
distances
50K25K5K
The 1st annual Mission Trails Twilight Runs brings ultra racing back to San Diego's wildest park. Choose 50K (7,200 ft gain), 25K, or 5K — all featuring a sunset start and nighttime finish across North and South Fortuna Mountains on technical single-track. Strictly capped at 300 runners.
course details
5K
terrain: trailcourse: Mission Trails Regional Park singletrack — a taste of the terrain before dark.elevation: +250 ft
25K
terrain: trailcourse: Single lap over North and South Fortuna Mountains — steep climbs, sweeping views, rocky descents. Afternoon start.elevation: +1400 ft
50K
terrain: trailcourse: Two laps over Fortuna Mountains — afternoon start transitions to night running. Second lap must begin by 7pm.elevation: +2800 ftcutoff: 10h 0m
links
start location
Mission Trails Regional Park — East Fortuna Staging Area · Mast Blvd, San Diego, CA 92119
tags
trailultra50K25K5Knight runsunsetMission Trailstechnical