City to the Sea Half Marathon

San Luis Obispo, CA, USA · October 18, 2026
clear-day57°·68° high·Breezy·Dry
9
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Race Day Weather

clear-day
57°at start
68° high
Breezy
Dry

Steady temps, light wind

Runners will face a temperature rise from 57°F to 68°F during the race, with an average humidity of 63%. A light headwind may occur with gusts up to 18 mph. It's advisable to start conservatively to manage the warming trend, ensuring proper hydration throughout.

Race day forecast available in 37 days
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Distance: 13.1mi
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Race Info

The City to the Sea Half Marathon is a point-to-point race in San Luis Obispo County, California, founded in 1995 by Running Warehouse founder Joe Rubio and local businessman Dale Anderson. The race starts at Mission Plaza in downtown San Luis Obispo and finishes at Avila Beach on the Pacific Ocean, following country roads and the Bob Jones Trail. A 5K was added in 2008 and starts separately at Avila Beach Resort. Proceeds benefit Cuesta College's Track & Field and Cross Country programs, which organize the event.

Area Map

Course Map

FAQ

When is the 2026 City to the Sea Half Marathon?

The 2026 City to the Sea Half Marathon will be held on Sunday October 18, 2026.

What will the weather be like for the 2026 City to the Sea Half Marathon?

The forecast calls for a high of 69°F and a low of 57°F with a 1% chance of rain.

Historical Weather

Based on 1 years of data
Avg Temp
58°F
L:55° H:58°
RunScore
9
Conditions
Rain Freq
100%
1 of 1 yrs
Wind8mph
Dew54°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
rain
55°/58°Light
8