The 2025 event has concluded.

Seaside Marathon

Ventura, CA, USAMay 18, 2025
Register

clear-day Clear conditions throughout the day.

Bounce free storage for your phone, keys and fuel on the run. FlipBelt Classic Running Belt.When you buy through our links, we may earn a commission.

Area Map

Course Maps

FAQ

When is the 2025 Seaside Marathon?

The 2025 Seaside Marathon will be held on Sunday May 18, 2025.

Is the Seaside Marathon a Boston Marathon Qualfier?

Yes, the Seaside Marathon is an official Boston Marathon qualifier.

Community

Historical Weather & Results

RunScore
Run Score: 8
Temp
64°F
Min/Max
49°/65°F
Dew
48°F
Days of Rain
1/7
Wind
11mph
Tap a row for details.
YearConditionsLow / HighRainRunScore
2024
cloudy
59°/ 68°-
Run Score: 8
2024
clear-night
67°/ 80°-
Run Score: 7
2023
clear-night
41°/ 63°-
Run Score: 8
2022
partly-cloudy-night
42°/ 60°-
Run Score: 8
2020
clear-night
44°/ 65°-
Run Score: 8
2019
clear-night
45°/ 56°Light
Run Score: 8
2018
partly-cloudy-night
45°/ 64°-
Run Score: 8