9 aidTrail Races & Ultramarathons Near Los Angeles, CA
As of October 6, 2026, Crewable lists 39 upcoming trail races and ultramarathons near Los Angeles, CA from October 2026 to September 2027. The next is Rock It in Chino Hills 5K & 10K on October 10 in Brea, CA. Registration is open for 10. 3 advertise prize money.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
With aid station data
9 aid
9 aid
5 aid
18 aid
8 aidin 18 days
No Name Trail Races
Agoura, CA4,416 ft gain
50KHalf Marathon+1$500 purse
Open until Oct 23from $65
5 aidin 51 days
LA Turkey Trail
Los Angeles, CA2,323 ft gain
Half Marathon10K+1$1,000 purse
Open until Nov 25from $83
Race calendar
October 2026
11 racesNovember 2026
9 racesDecember 2026
4 racesSoCal Ultra Runners Grand Prix Series
Southern, CA
January 2027
4 racesFebruary 2027
2 racesMarch 2027
1 raceApril 2027
3 racesMay 2027
2 racesJune 2027
1 raceJuly 2027
1 raceSeptember 2027
1 raceQuick answers
What is the next trail race or ultramarathon near Los Angeles, CA?
Rock It in Chino Hills 5K & 10K, on Saturday, October 10, 2026, in Brea, CA. Distances: 10K, 5K.
What is the closest trail race or ultramarathon to Los Angeles?
Griffith Park Trail Marathon in Los Angeles, CA, about 5 miles from Los Angeles, on November 21, 2026.
How many trail races and ultramarathons near Los Angeles, CA have open registration?
10 of the 39 list registration as open as of October 6, 2026, including SPACEROCK Trail Race, No Name Trail Races and Wildwood Canyon Trail Runs.
Which trail races and ultramarathons near Los Angeles, CA offer prize money?
3 races advertise prize money: Machete Muertos 200 ($3,000), LA Turkey Trail ($1,000) and No Name Trail Races ($500).
How many of the trail races near Los Angeles, CA are ultramarathons?
27 of the 39 are ultramarathons (longer than a marathon, or a backyard, timed or 200+ mile format). The other 12 are shorter races.
What is the busiest month for trail races and ultramarathons near Los Angeles, CA?
October 2026, with 11 of the 39. November 2026 follows with 9.
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