City to the Sea Half Marathon

San Luis Obispo, CA, USA · October 18, 2026
partly-cloudy-day64°·67° high·Light·Dry
7
Register

Race Day Weather

partly-cloudy-day
64°at start
71° high
Breezy
Dry
Your goal
0:00:00

Warm temps, stay hydrated

Runners will face temperatures starting at 64°F and rising to 71°F, with humidity at 59%. A light headwind may be present, but overall conditions are favorable. Runners should adjust their pace accordingly and ensure proper hydration throughout the race.

partly-cloudy-night7
partly-cloudy-night7
partly-cloudy-night7
partly-cloudy-day7
partly-cloudy-day6
partly-cloudy-day5
clear-day5
clear-day5
clear-day4
clear-day4
clear-day4

Pace Calculator

13.1mi
0:00:00
HH:MM:SS
Pace
—

Enter a finish time to see what race day does to it.

Common Goals:

Get forecast alerts for City to the Sea Half Marathon

We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.

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.

Race weekend

Sunday, October 18
7:00 AMHalf Marathon (13.1 mi)
5K (3.1 mi)
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 71°F and a low of 62°F with a 0% chance of rain.

Historical Weather

Based on 1 years of data
Avg Temp
56°F
L:55° H:56°
RunScore
7
Conditions
Rain Freq
100%
1 of 1 yrs
Wind5mph
Dew54°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
rain
55°/56°Light
7