Home / SF Bay Area / Fall 2026 / Ultramarathons
Fall ultramarathons near the Bay Area (2026)
Updated
2 ultramarathons are on the calendar near the Bay Area in fall 2026, starting with Mt. Tam Trail Run on Saturday, November 7 in Stinson Beach. That covers September to November. 1 of them publish an upcoming price increase, so signing up early saves money.
All fall races5K races (45)10K races (24)Half marathons (16)Marathons (2)Ultramarathons (2)Trail races (10)
By date
-
Mt. Tam Trail Run
Sat Nov 7 · 7:30 AM · Stinson Beach · Marin
10KHalf marathon18.5 miles30.5 milesTrail
Reg. closed -
Lake Chabot Trail Run
Sat Nov 7 · 8:20 AM · Castro Valley · East Bay
2 miles5K4.8 milesHalf marathon30KMarathonTrail
from $25Goes up Nov 1
Other seasons near the Bay Area
Quick answers
How many ultramarathons are near the Bay Area in fall 2026?
2 ultramarathons are listed near the Bay Area in fall 2026. The first is Mt. Tam Trail Run on Saturday, November 7 in Stinson Beach, and the last is Lake Chabot Trail Run on November 7.
What is the cheapest ultra near the Bay Area in fall 2026?
Lake Chabot Trail Run on November 7 has the lowest listed entry fee: $25. Prices are before the registration platform's processing fee.
When does the next early-bird price end for ultramarathons near the Bay Area?
Lake Chabot Trail Run: the 4.8 miles goes from $60 to $70 after November 1.
Are there half marathons or marathons near the Bay Area in fall 2026?
Yes: 2 half marathons and 1 marathon. The first is Lake Chabot Trail Run on November 7.