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Marathons in East Bay (2026-27)

Updated October 17, 2026

1 marathon is coming up in East Bay in the next 90 days; the next is Lake Chabot Trail Run on Saturday, November 7 in Castro Valley. 8 marathons are listed in East Bay for the next 12 months; the next one starts from $25.

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• Sat7Nov

  Lake Chabot Trail Run

  Sat Nov 7 · 8:20 AM · Castro Valley · East Bay

  2 miles5K4.8 milesHalf marathon30KMarathonTrail

  from $25Goes up Nov 1
• Sat20Mar

  Redwood (Spring) Trail Run

  Sat Mar 20 · 7:50 AM · Oakland · East Bay

  2 miles5 milesHalf marathon18.3 milesMarathon50KTrail

  from $30Goes up Mar 14
• Sun21Mar

  Oakland Marathon

  Sun Mar 21 · 7:00 AM · Oakland · East Bay

  5K10KHalf marathonMarathon

  see site
• Sat17Apr

  Spasm Lake Chabot Trail Run

  Sat Apr 17 · 8:20 AM · Castro Valley · East Bay

  2 miles5 milesHalf marathon17.9 milesMarathon50KTrail

  from $60Goes up Apr 11
• Sat8May

  Grizzly Peak Trail Run

  Sat May 8 · 7:50 AM · Berkeley · East Bay

  2 miles10KHalf marathon30KMarathon50KTrail

  from $60Goes up May 2
• Sun23May

  Diablo Trail Run

  Sun May 23 · 7:50 AM · Clayton · East Bay

  2 miles4 miles10 milesHalf marathonMarathon30.4 milesTrail

  from $50Goes up May 17
• Sat5Jun

  Cinderella Trail Run

  Sat Jun 5 · 7:50 AM · Oakland · East Bay

  2 miles8KHalf marathon30KMarathon50KTrail

  from $60Goes up May 30
• Sat14Aug

  Redwood (Summer) Trail Run

  Sat Aug 14 · 7:50 AM · Oakland · East Bay

  2 miles5 milesHalf marathon30KMarathon50KTrail

  from $60Goes up Aug 8

Quick answers

How many marathons are in East Bay in the next 3 months?

1 marathon is listed in East Bay between October 17 and January 15. The next is Lake Chabot Trail Run on Saturday, November 7 in Castro Valley.

What is the cheapest marathon in East Bay right now?

Lake Chabot Trail Run on November 7 has the lowest listed entry fee in the next 90 days: $25. Prices are before the registration platform's processing fee.

When does the next early-bird price end for marathons in East Bay?

Lake Chabot Trail Run: the 4.8 miles goes from $60 to $70 after November 1. 6 more of these marathons publish a later price increase.

Are there marathons in East Bay this weekend?

None are listed for October 17 to October 18. The next is Lake Chabot Trail Run on Saturday, November 7 in Castro Valley.