Thumb Coast 5K

Caseville, MI, USA · November 8, 2026·
partly-cloudy-day40°·44° high·Breezy·Dry
9
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Race Day Weather

partly-cloudy-day
40°at start
47° high
Breezy
Dry
Your goal
0:00:00

Cool start — fast day potential

A cool 40°F at the start line is ideal for fast times — expect to warm up quickly once you're moving. Light winds shouldn't be a major factor for pacing. Moderate humidity at 68% is worth noting for effort level, especially in later miles.

Race day forecast available in 1 day
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Pace Calculator

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Race Plan

Get your personalized Thumb Coast 5K race plan

A mile-by-mile breakdown of where your time goes, weather-adjusted splits, fueling timeline with aid stations, packing checklist, carb tracker, spectator guide, all built around your goal and race-day conditions.

Race Pace
Weather Splits
Nutrition
Gear & Packing
T-Minus
Carb Tracker
Spectator Guide
Race Band

Race Info

The 5K is an out-and-back run along M-25 in historic downtown Port Austin, with views of Lake Huron. The course is fully paved and gains about 50 feet. It starts and finishes in downtown Port Austin on the Lake Huron Circle Tour, between State and Railroad streets, the same finish area as the marathon and half marathon.

Race weekend

Sunday, November 8
8:00 AMMarathon (26.2 mi)8:30 AMHalf Marathon (13.1 mi)
9:00 AM5K (3.1 mi)

FAQ

When is the 2026 Thumb Coast 5K?

The 2026 Thumb Coast 5K will be held on Sunday November 8, 2026.

What is the time limit for the Thumb Coast 5K?

The time limit for the Thumb Coast 5K is 5 hours.

What will the weather be like for the 2026 Thumb Coast 5K?

The forecast calls for a high of 49°F and a low of 37°F with a 7% chance of rain. Check our detailed hourly forecast above for the best 5K race plan.

Historical Weather

Based on 1 years of data
Avg Temp
44°F
L:42° H:46°
RunScore
10
Conditions
Rain Freq
0%
0 of 1 yrs
Wind7mph
Dew37°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
partly-cloudy-day
42°/46°-
10