Runners will face temperatures rising from 79°F at the start to 87°F by the finish, with humidity at 71% and a dew point of 72°F. Wind will present a headwind during the first two miles and again towards the end, with gusts reaching 22 mph. It's advisable to start conservatively and hydrate frequently, especially as the temperature climbs throughout the race.

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Distance: 13.1mi

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About the Christmas in July Half Marathon (Chicago)

The Christmas in July Half Marathon (Chicago area) starts and finishes at the Busse Lake Boating Center in Ned Brown Forest Preserve, known locally as Busse Woods, in Elk Grove Village, Illinois. The course runs on paved multi-use trails through the forest preserve. A companion 5K starts one hour after the half marathon on the same morning.

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Race weekend

Saturday, July 18

7:00 AMHalf Marathon (13.1 mi)

8:00 AM5K (3.1 mi)

Christmas in July Half Marathon (Chicago) FAQ

When is the 2026 Christmas in July Half Marathon (Chicago)?

The 2026 Christmas in July Half Marathon (Chicago) will be held on Saturday July 18, 2026.

What is the time limit for the Christmas in July Half Marathon (Chicago)?

The time limit for the Christmas in July Half Marathon (Chicago) is 4 hours.

What will the weather be like for the 2026 Christmas in July Half Marathon (Chicago)?

The forecast calls for a high of 89°F and a low of 72°F with a 0% chance of rain.

What is the weather usually like for the Christmas in July Half Marathon (Chicago)?

Over the 6 years racecast.io has race-day weather for (2019 to 2026), it averaged 71°F at the start and 76°F by a typical finish. It has not rained during race hours in any of those years.

What was the hottest Christmas in July Half Marathon (Chicago)?

Of the 6 years on record, 2026 was the warmest, reaching 82°F during race hours. The coldest start was 2024, at 65°F.

What was the windiest Christmas in July Half Marathon (Chicago)?

Of the 6 years on record, 2026 was the windiest, with wind averaging 11 mph during race hours. The calmest was 2024, at 3 mph.

Christmas in July Half Marathon (Chicago) weather history

Based on 6 years of data

Avg Temp

74°F

L:71° H:76°

RunScore

Conditions

Rain Freq

0 of 6 yrs

Wind7mph

Dew63°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2026 Christmas in July Half Marathon (Chicago) Partly cloudy throughout the day. 2026	79°/82°	-	72°
2025 Christmas in July Half Marathon (Chicago) Partly cloudy throughout the day with afternoon rain. 2025	74°/76°	-	69°
2024 Christmas in July Half Marathon (Chicago) Partly cloudy throughout the day. 2024	65°/72°	-	58°
2023 Christmas in July Half Marathon (Chicago) Becoming cloudy in the afternoon with late afternoon rain. 2023	66°/75°	-	58°
2022 Christmas in July Half Marathon (Chicago) Clear conditions throughout the day. 2022	69°/72°	-	55°
2019 Christmas in July Half Marathon (Chicago) Partly cloudy throughout the day with late afternoon rain. 2019	73°/79°	-	64°

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