The course starts at the Marina and travels around the popular Lake Chabot reservoir and surrounding hills. Great course for first-time trail runners!
(Distances are accurately measured using a Rolatape® surveyor's measuring wheel.)
Apr 11, 2026
Distance — 2 Miles
Type — Running
08:20
$0.00
Apr 11, 2026
Distance — 17.9 Miles
Type — Running
08:30
$75.00
Apr 11, 2026
Distance — 31 Miles
Type — Running
08:30
$90.00
Apr 11, 2026
Distance — 13.1 Miles
Type — Running
08:30
$70.00
Apr 11, 2026
Distance — 26.2 Miles
Type — Running
08:30
$80.00
Apr 11, 2026
Distance — 5 Miles
Type — Running
08:45
$60.00
Apr 11, 2026
Distance — 3.1 Miles
Type — Running
09:00
$0.00
Apr 11, 2026
Distance — 17.9 Miles
Type — Running
55 days remaining
$65.00
Apr 11, 2026
Distance — 31 Miles
Type — Running
55 days remaining
$80.00
Apr 11, 2026
Distance — 3.1 Miles
Type — Running
55 days remaining
$0.00
Apr 11, 2026
Distance — 5 Miles
Type — Running
55 days remaining
$50.00
Apr 11, 2026
Distance — 2 Miles
Type — Running
55 days remaining
$0.00
Apr 11, 2026
Distance — 13.1 Miles
Type — Running
55 days remaining
$60.00
Apr 11, 2026
Distance — 50 Yards
Type — Running
55 days remaining
$0.00
Apr 11, 2026
Distance — 26.2 Miles
Type — Running
55 days remaining
$70.00
Apr 11, 2026
Distance — Virtual Race
Type — Running
55 days remaining
$40.00
Apr 11, 2026
Distance — 50K
Type — Running
55 days remaining
$45.00
These values represent the 3-year monthly averages for April in Castro Valley.
Castro Valley is an unincorporated town in the inner East Bay in the Bay Area of California. It has a population of about 60,000 and is located north of Hayward and east of San Leandro and south of the Oakland hills. Since it is unincorporated, Castro Valley is governed by the County of Alameda, which has its county seat in Oakland.
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Nov 21, 2026
The RUN Manatee 5k series offers THREE adventures to celebrate ONE community. Participants will discover Manatee County…
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Nov 28, 2026
Join us for the annual Turkey Trails 5k/10k! A fun, Thanksgiving-themed event that is perfect for the whole family.The…
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Dec 13, 2026
Join us for the annual Candy Cane Course 5k/12k! A fun, Christmas-themed event that is perfect for the whole family.Th…
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Mar 21, 2027
WE ARE NOW OFFERING AN AQUABIKE DIVISION! Triathlon Information:Join us for the annual Space Coast Triathlon, held in …
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