Winter Whirl 5K

Mild 54°F temps at gun time mean comfortable early miles without overheating risk. Temperatures rising to 62°F through the course will gradually increase perceived effort in the second half. Light winds shouldn't be a major factor for pacing.

Race day forecast available in 25 days

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Distance: 3.1mi

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About the Winter Whirl 5K

The Winter Whirl 5K is a single loop on the paths of Mile Square Park in Fountain Valley, California. It starts and finishes at Parking Lot D on the Saturday of race weekend, alongside the 10K. The route is a flat park loop that is open to other path users, so runners share the way with walkers and cyclists.

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Race weekend

Saturday, December 19

8:00 AMHalf Marathon (13.1 mi)8:30 AM10K (6.2 mi)

8:30 AM5K (3.1 mi)

Winter Whirl 5K FAQ

When is the 2026 Winter Whirl 5K?

The 2026 Winter Whirl 5K will be held on Saturday December 19, 2026.

What will the weather be like for the 2026 Winter Whirl 5K?

The forecast calls for a high of 63°F and a low of 52°F with a 8% chance of rain. Check our detailed hourly forecast above for the best 5K race plan.

Winter Whirl 5K weather history

Based on 2 years of data

Avg Temp

57°F

L:56° H:59°

RunScore

Conditions

Rain Freq

0 of 2 yrs

Wind4mph

Dew45°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

This race has moved. A year marked with a city was run there, and its weather is from there.

Year	Conditions	Low / High	Rain	Dew Point	Score	Results
2025 Winter Whirl 5K Long Beach, CA · Partly cloudy throughout the day. 2025Long Beach, CA		56°/57°	-	55°
2024 Winter Whirl 5K Santa Monica, CA · Clear conditions throughout the day. 2024Santa Monica, CA		56°/61°	-	34°

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