Skip to content

Castro Valley · Trail Races

Trail Races in Castro Valley, CA

5 upcoming events — with today’s fee and the next price increase.

Next Trail Races in Castro Valley, CA
RaceDateCityDistancesCurrent Fee
Brazen New Year's DayCastro Valley, CA5K, 10K, Half Marathon$73
Brazen New Year's EveCastro Valley, CA5K, 10K, Half Marathon$73
SPASM Lake Chabot Trail RunCastro Valley, CA5 Miles, Half Marathon, 17.9 Miles, Marathon, Ultra$60
2027 Lake Chabot Trail Challenge (Half Marathon & 5K)Castro Valley, CAHalf Marathon, 5K$40
Bad BassCastro Valley, CAHalf Marathon, 6.4 Miles, 3.35 Miles$63

Upcoming Trail Races in Castro Valley

Distance
Surface
5 races

Brazen New Year's Eve

· Castro Valley

  • 5K
  • 10K
  • Half Marathon
  • Trail
from $73$78 on

Bad Bass

· Castro Valley

  • Half Marathon
  • 6.4 Miles
  • 3.35 Miles
  • Trail
from $63$95 on

Quick answers

What are the next Trail Races in Castro Valley, CA?

The next Trail Races in Castro Valley, CA include Brazen New Year's Day (Fri, Jan 1, Castro Valley), Brazen New Year's Eve (Fri, Jan 1, Castro Valley), SPASM Lake Chabot Trail Run (Sat, Apr 17, Castro Valley), 2027 Lake Chabot Trail Challenge (Half Marathon & 5K) (Sun, Jun 6, Castro Valley), and Bad Bass (Sat, Jul 24, Castro Valley).

How much do Trail Races in Castro Valley, CA cost?

Current entry fees for Trail Races in Castro Valley, CA range from $40 to $73, with a typical fee around $63. The lowest current fee is 2027 Lake Chabot Trail Challenge (Half Marathon & 5K) at $40. Fees usually rise as race day approaches.

Which Trail Races in Castro Valley, CA raise their price soonest?

Brazen New Year's Eve goes from $73 to $78 on Sun, Nov 29, Brazen New Year's Day goes from $73 to $78 on Sat, Dec 5, SPASM Lake Chabot Trail Run goes from $60 to $70 on Sun, Apr 11, and Bad Bass goes from $90 to $95 on Tue, May 18.