RunThrough USA Long Beach 5k,10k & Half Marathon Race
Oct 24Long Beach, CAHalf Marathon, 10K +1
Half Marathon, 4 weeks before race day, 25 mi away, registration open
Listed from UltraSignup. Checked Oct 18, 2026.
Aid stations, cutoffs and pacing in one plan, with the timeline your crew follows. Crew invites and race-day updates come with a Race Pass.
Build my planSpring edition of the Griffith Park Trail Races, now in its 16th year with a newly added 50 Mile distance.
Registration closes
Mar 25, 2026
Race day
Nov 21, 2026
50 Mile
Registration
$200
50 K
Registration
$165
Marathon
Registration
$145
30K
Registration
$135
1/2 Marathon
Registration
$125
10k
Registration
$90
Registration openings and major changes, like a new date or a cancellation.
Can't race, or need an entry? Post it here so nobody has to ask if it's still available.
Oct 24Long Beach, CAHalf Marathon, 10K +1
Half Marathon, 4 weeks before race day, 25 mi away, registration open
Oct 24Agoura, CA50K, Half Marathon +1
Half Marathon, 4 weeks before race day, 25 mi away, registration open
Oct 24Malibu, CAHalf Marathon, 10K +2
Half Marathon, 4 weeks before race day, 23 mi away, registration open
Oct 24Victorville, CAHalf Marathon, 10K +1
Half Marathon, 4 weeks before race day, 64 mi away, registration open
Straight-line distance
Dec 5Malibu, CA50 mi, 50K +1
Also 50K, 43 mi from Griffith Park Trail Marathon, registration open
Oct 24Agoura, CA50K, Half Marathon +1
Also 50K, 25 mi from Griffith Park Trail Marathon, registration open
Jun 5, 2027Malibu, CA100K, 50 mi +3
Also 50K, 44 mi from Griffith Park Trail Marathon
Nov 13Rancho San Fernado Rey, CA50K, 20K
Also 50K, 91 mi from Griffith Park Trail Marathon, registration opens Nov 14
Straight-line distance
Oct 24Goleta, CA100 mi, 100K +1
Oct 24Agoura, CA50K, Half Marathon +1
Oct 24Bishop, CA50K, 33K +2
Oct 24Pollock Pines, CA50K, Marathon +3
Oct 31San Juan Capistrano, CA50K, Marathon +3
Nov 7Brea, CA50K, 30K
Nov 7Castro Valley, CA50K, Marathon +4
Nov 13Rancho San Fernado Rey, CA50K, 20K
Nov 14Auburn, CA50K, Half Marathon +2
Nov 28Mill Valley, CA28.4 mi
Dec 5San Jose, CA50K, Marathon +5
Dec 5Ridgecrest, CA50K, 30K +1
Mar 20, 2027Altadena, CA100K, Marathon
Oct 2, 2027Altadena, CA100 mi, 100K
Sep 18, 2027Santa Monica Mountains, CA68 mi
Nov 7Tarzana, CA10K, 5K
Nov 26Los Angeles, CAHalf Marathon, 10K +1
Feb 27, 2027Pacific Palisades, CA100 mi, 24 hr +6
Nov 26Topanga, CA
Jan 2, 2027Malibu, CA50K, 20K +2
Jan 30, 2027Calabasas, CA100K, 50 mi +3
Apr 24, 2027Brea, CA12 hr, 6 hr +1
Dec 1Southern, CA
Nov 1Mount Laguna, CAMarathon
Nov 7Silverado, CAMarathon, 25K +2
Nov 8San Diego, CA6 hr
Nov 14Anza, CA100 mi, 24 hr +4
Nov 14Avalon, CAHalf Marathon, 10K
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