City of Trees 10K
Boise, ID, USA · October 10, 2027·
City of Trees 10K race day weather
49°at start
66° high
Breezy
Dry
Your goal
0:00:00
Cool start — fast day potential, big temp swing
A cool 49°F at the start line is ideal for fast times — expect to warm up quickly once you're moving. Temps will climb significantly to 66°F by later miles, so expect fading conditions as the race progresses. Light winds shouldn't be a major factor for pacing.
Race day forecast available in 318 days
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Distance: 6.2mi
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About the City of Trees 10K
The City of Trees 10K covers 6.2 miles and starts at 8:30 AM, after the marathon and half marathon, on the Sunday of race weekend. The race courses use the Boise Greenbelt system along the Boise River.
Race weekend
Sunday, October 10
8:00 AMMarathon (26.2 mi)8:00 AMHalf Marathon (13.1 mi)8:30 AM10K (6.2 mi)
8:30 AM5K (3.1 mi)
City of Trees 10K FAQ
When is the 2027 City of Trees 10K?
The 2027 City of Trees 10K will be held on Sunday October 10, 2027.
What will the weather be like for the 2027 City of Trees 10K?
The forecast calls for a high of 71°F and a low of 47°F with a 2% chance of rain. Check our detailed hourly forecast above for the best 10K race plan.
What is the weather usually like for the City of Trees 10K?
Over the 5 years racecast.io has race-day weather for (2022 to 2026), it averaged 49°F at the start and 50°F by a typical finish. It has not rained during race hours in any of those years.
What was the hottest City of Trees 10K?
Of the 5 years on record, 2023 was the warmest, reaching 56°F during race hours. The coldest start was 2026, at 45°F.
What was the windiest City of Trees 10K?
Of the 5 years on record, 2026 was the windiest, with wind averaging 12 mph during race hours. The calmest was 2024, at 5 mph.
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