Seasonal Confusion Half Marathon

Long Beach, CA, USA · September 13, 2026
clear-night55°·70° high·Light·Dry
2
Register

Race Day Weather

clear-night
at start
70° high
Light
Dry

Extreme cold, bundle up tight

Runners will face a constant temperature of 0°F throughout the race with negligible wind at 0 mph, making it feel even colder. With average humidity at 0%, hydration might be less of a concern, but runners should still prioritize staying warm. Given the extreme cold, it's advisable to adjust pace conservatively and wear appropriate gear to combat the harsh conditions.

Race day forecast available in 2 days
clear-night8
clear-day1
clear-day1
clear-day1
clear-day1
clear-day1
clear-day1
clear-day1
clear-day1
clear-day1
clear-day1

Pace Calculator

Distance: 13.1mi
0:00:00
HH:MM:SS
Pace
Weather Adj.
Common Goals:

Get forecast alerts for Seasonal Confusion 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

Seasonal Confusion is a new half marathon, 10K, and 5K on the paved beach path near Granada Beach in Long Beach's Belmont Shore neighborhood, debuting September 13, 2026. The race plays on the early-fall weather swing between lingering summer heat and the first hints of fall. It is organized by CaliFlow Runs, which runs a similar template race at three other Southern California beach venues.

FAQ

When is the 2026 Seasonal Confusion Half Marathon?

The 2026 Seasonal Confusion Half Marathon will be held on Sunday September 13, 2026.

What will the weather be like for the 2026 Seasonal Confusion Half Marathon?

The forecast calls for a high of 70°F and a low of 70°F with a 7% chance of rain.

Historical Weather

Based on 0 years of data
Avg Temp
NaN°F
L:NaN° H:NaN°
RunScore
NaN
Conditions
Rain Freq
NaN%
of 0 yrs
WindNaNmph
DewNaN°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore