10K
Start7:00 AM
6.3Miles
1,341Ft Gain
1,095Ft High
Los Angeles · Trail Series
Griffith Park Trail Runs
Distances610K → 50 Mile
Race DaySat, Mar 27, 2027Staggered starts
WhereGriffith ParkHollywood, CA
TerrainSingletrack& fire road · well-marked
Must-read before race day
Athlete Guide
Start times, aid stations, cutoffs, parking, crew access and drop bags — everything you need for race day.
Choose your distance
Tap Course Map on any distance to explore its route and elevation, then register on UltraSignup.
Half Marathon
Start7:00 AM
13.7Miles
2,739Ft Gain
1,541Ft High
30K
Start7:00 AM
17.9Miles
2,834Ft Gain
1,538Ft High
Marathon
Start6:30 AM
26.6Miles
4,179Ft Gain
1,538Ft High
50K
Start6:30 AM
31.6Miles
5,603Ft Gain
1,545Ft High
50 Mile
Start6:30 AM
48.7Miles
7,280Ft Gain
1,545Ft High
The Race
Epic trail racing
Epic trail racing
in Hollywood
The Archive
Results & photos
Relive past editions — full results and race-day galleries. Pick a year.
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Course
Interactive map & elevation via HelloDrifterRegister