Half Marathon
Elevation gain is approximately 4,300 ft.
Aid Stations:
Castle Rock Aid: mile 2
F.D.L. Aid: mile 5
Castle Rock Aid: mile 11.3
Aid Stations:
Castle Rock Aid: mile 2
F.D.L. Aid: mile 5
Castle Rock Aid: mile 11.3
- Start Time:
- 8:00am PDT
- End Time:
- 12:30pm PDT
- Registration:
- Online Registration is Closed
Mammoth Bar 2026 has been canceled.
10K
Elevation gain is approximately 1,900 ft.
Aid Stations:
Castle Rock Aid: mile 2
Castle Rock Aid: mile 4.5
Aid Stations:
Castle Rock Aid: mile 2
Castle Rock Aid: mile 4.5
- Start Time:
- 8:30am PDT
- End Time:
- 12:30pm PDT
- Registration:
- Online Registration is Closed
Mammoth Bar 2026 has been canceled.
This is a service fee for processing your registration. This may be slightly higher or lower per registrant than the amount shown here.
