Home / SF Bay Area / Summer 2027 / Half marathons
Summer half marathons near the Bay Area (2027)
9 half marathons on the calendar from June to August, starting with Cinderella Trail Run on Saturday June 5. 3 of them publish an upcoming price increase, so signing up early saves money.
All summer races5K races (10)10K races (7)Half marathons (9)Marathons (4)Ultramarathons (4)Trail races (9)
By date
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Cinderella Trail Run
Sat Jun 5 · 7:50 AM · Oakland · East Bay
2 miles8KHalf marathon30KMarathon50KTrail
from $60Goes up May 30 -
Lake Chabot Trail Challenge (Half Marathon & 5K)
Sun Jun 6 · 8:00 AM · Castro Valley · East Bay
5KHalf marathonTrail
from $40Goes up Jun 6 -
Run Juneteenth Day 5K/10K/13.1 San Francisco
Sat Jun 19 · 7:00 AM · San Francisco · San Francisco
1 mile5K10KHalf marathon
from $30 -
San Lorenzo River Trail Run
Sat Jul 10 · 7:50 AM · Santa Cruz · Santa Cruz
2 miles10KHalf marathon30KMarathon50KTrail
from $60Goes up Jul 4 -
from $50Reg. closed
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from $63
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The San Francisco Marathon
Sun Jul 25 · 5:15 AM · San Francisco · San Francisco
Half marathonMarathonUltra (52.4 miles)
see site -
Redwood (Summer) Trail Run
Sat Aug 14 · 7:50 AM · Oakland · East Bay
2 miles5 milesHalf marathon30KMarathon50KTrail
from $60Goes up Aug 8 -
from $180Reg. closed