Montara Mountain Half Marathon

Pacifica, CA, USA · February 20, 2027·
partly-cloudy-day47°·50° high·Light·Dry
10
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Race Day Weather

partly-cloudy-day
47°at start
54° high
Light
Dry
Your goal
0:00:00

Cool start — fast day potential

A cool 47°F at the start line is ideal for fast times — expect to warm up quickly once you're moving. Light winds shouldn't be a major factor for pacing. Moderate humidity at 73% is worth noting for effort level, especially in later miles.

Race day forecast available in 120 days
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Pace Calculator

13.1mi
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Race Plan

Get your personalized Montara Mountain Half Marathon race plan

A mile-by-mile breakdown of where your time goes, weather-adjusted splits, fueling timeline with aid stations, packing checklist, carb tracker, spectator guide, all built around your goal and race-day conditions.

Race Pace
Weather Splits
Nutrition
Gear & Packing
T-Minus
Carb Tracker
Spectator Guide
Race Band

Race Info

The half marathon runs from San Pedro Valley Park in Pacifica up onto Montara Mountain and back. About three quarters of it is single track, with a quarter on dirt road, and it climbs about 2,900 feet. It shares its trails and its 8:00 AM gun with the longer distances.

Race weekend

Saturday, February 20
8:00 AM50K (31.1 mi)8:00 AMMarathon (26.2 mi)8:00 AM20 Mile (20.0 mi)
8:00 AMHalf Marathon (13.1 mi)
8:10 AM10K (6.2 mi)
5K (3.1 mi)
Area Map

Course Map

FAQ

When is the 2027 Montara Mountain Half Marathon?

The 2027 Montara Mountain Half Marathon will be held on Saturday February 20, 2027.

What is the time limit for the Montara Mountain Half Marathon?

The time limit for the Montara Mountain Half Marathon is 9 hours.

What will the weather be like for the 2027 Montara Mountain Half Marathon?

The forecast calls for a high of 56°F and a low of 45°F with a 12% chance of rain. Check our detailed hourly forecast above for the best half marathon race plan.

Historical Weather

Based on 5 years of data
Avg Temp
52°F
L:48° H:55°
RunScore
9
Conditions
Rain Freq
0%
0 of 5 yrs
Wind3mph
Dew46°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2026
partly-cloudy-day
44°/52°-
10
2025
cloudy
48°/53°-
9
2024
partly-cloudy-day
55°/61°-
8
2023
partly-cloudy-day
44°/53°-
10
2022
clear-day
47°/58°-
8