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Ultramarathons in South Bay & San Jose (2026-27)
Updated
1 ultra is coming up in South Bay & San Jose in the next 90 days; the next is New Year's One Day on Thursday, December 31 in San Jose. 2 ultramarathons are listed in South Bay & San Jose for the next 12 months; the next one starts from $90.
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By date
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New Year's One Day
Thu Dec 31 · 8:55 AM · San Jose · South Bay & San Jose
5K30 miles50 miles100 miles
from $90Goes up Dec 1 -
Horseshoe Lake Trail Run
Sat Apr 24 · 7:50 AM · Los Gatos · South Bay & San Jose
2 miles5.1 milesHalf marathon30KMarathon50KTrail
from $60Goes up Apr 18
Quick answers
How many ultramarathons are in South Bay & San Jose in the next 3 months?
1 ultra is listed in South Bay & San Jose between October 17 and January 15. The next is New Year's One Day on Thursday, December 31 in San Jose.
What is the cheapest ultra in South Bay & San Jose right now?
New Year's One Day on December 31 has the lowest listed entry fee in the next 90 days: $90. Prices are before the registration platform's processing fee.
When does the next early-bird price end for ultramarathons in South Bay & San Jose?
New Year's One Day: the 100 miles goes from $195 to $205 after December 1. 1 more of these ultramarathons publish a later price increase.
Are there ultramarathons in South Bay & San Jose this weekend?
None are listed for October 17 to October 18. The next is New Year's One Day on Thursday, December 31 in San Jose.