Mare Island Half Marathon
Race Date
Jun 27, 2027
Location
Vallejo, CA
Quick facts
- Date
- Sunday, June 27, 2027
- Location
- Vallejo, California
- Distance
- Half marathon (13.1 mi)
- Course
- Loop Course
- Terrain
- Road
- USATF certified
- Not listed
- Finishers on record
- 890
Highlights
Good For
Atmosphere
Course
Course Info
Course Type
Loop Course
Terrain
road
Scenery
Urban
Surface
Paved
Difficulty
Rolling Hills
Quality Score
Solid Pick507 years running
~265 finishers a year
shrinking
21% returning runners
3 timing sources
runners from 1 state
winner 1:25:07
typical high 79°F
Race Day Weather
5-year historical avgStart (Low)
55°
Afternoon (High)
78°
Warm — hydration strategy is key, start conservatively
0.0"
Precipitation
14 mph
Wind
70%
Humidity
Historical Finish Times
How 890 finishers actually crossed the line across 7 years.
Most recent
2026
Total finishers
890
Median time
2:09:46
Latest turnout
183
States
1
Turnout by year
2018–2026
Hover the histogram to inspect specific finish times.
Frequently asked
When is the Mare Island Half Marathon?
The Mare Island Half Marathon is held on Sunday, June 27, 2027.
Where does the Mare Island Half Marathon take place?
It takes place in Vallejo, California.
What distances does the Mare Island Half Marathon offer?
The half marathon (13.1 miles).
Is the Mare Island Half Marathon course flat and good for a PR?
The Mare Island Half Marathon is a rolling hills, loop course course.
How many people run the Mare Island Half Marathon?
HalfRuns has finish records for 890 runners who have completed the Mare Island Half Marathon.
HalfRuns editorial — independent, no paid placement.
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