Historical Race Day Weather for the Chicagoland Spring Marathon

May 3, 2026

Race day snapshot

Partially cloudy

Start Line Conditions

Start Temp 45°F 7°C

Start Humidity 65% Humidity

Wind SW 14 mph Wind

Race day high 65°F 18°C

Race day low 42°F 6°C

PR Score 99.06 Normal score 99.06

Course Score 99.06 Course-only Score

Course-adjusted pacing

Want to run your best Chicagoland Spring Marathon?

Chicagoland Spring Marathon Pace Bands are adjusted for the specific terrain of the course, your goal time, and pacing strategy.

Build your Chicagoland Spring Marathon pace band

Easy to useCourse-aware pacing, goal-time based splits, and a cleaner race day plan.See all pace bands

May 4, 2025

Race day snapshot

Partially cloudy

Start Line Conditions

Start Temp 46°F 8°C

Start Humidity 74% Humidity

Wind ENE 8 mph Wind

Race day high 58°F 14°C

Race day low 45°F 7°C

PR Score 99.06 Normal score 99.06

Course Score 99.06 Course-only Score

May 5, 2024

Race day snapshot

Partially cloudy

Start Line Conditions

Start Temp 52°F 11°C

Start Humidity 80% Humidity

Wind N 8 mph Wind

Race day high 64°F 18°C

Race day low 49°F 9°C

PR Score 99.01 Normal score 99.06

Course Score 99.06 Course-only Score

May 14, 2023

Race day snapshot

Rain, Partially cloudy

Start Line Conditions

Start Temp 57°F 14°C

Start Humidity 67% Humidity

Wind E 10 mph Wind

Race day high 60°F 16°C

Race day low 49°F 9°C

PR Score 98.84 Normal score 99.06

Course Score 99.24 Course-only Score

May 15, 2022

Race day snapshot

Mostly Cloudy

Start Line Conditions

Start Temp 64°F 18°C

Start Humidity 75% Humidity

Wind WNW 6 mph Wind

Race day high 73°F 23°C

Race day low 58°F 14°C

PR Score 96.14 Normal score 99.06

Course Score 99.24 Course-only Score

May 23, 2021

Race day snapshot

Overcast

Start Line Conditions

Start Temp 70°F 21°C

Start Humidity 89% Humidity

Wind W 5 mph Wind

Race day high 82°F 28°C

Race day low 59°F 15°C

PR Score 92.87 Normal score 99.06

Course Score 99.21 Course-only Score

May 20, 2018

Race day snapshot

Mostly Cloudy

Start Line Conditions

Start Temp 45°F 7°C

Start Humidity 90% Humidity

Wind ENE 10 mph Wind

Race day high 58°F 14°C

Race day low 44°F 7°C

PR Score 99.24 Normal score 99.06

Course Score 99.24 Course-only Score

May 21, 2017

Race day snapshot

Mostly Cloudy

Start Line Conditions

Start Temp 56°F 13°C

Start Humidity 83% Humidity

Wind W 11 mph Wind

Race day high 62°F 17°C

Race day low 46°F 8°C

PR Score 98.74 Normal score 99.06

Course Score 99.24 Course-only Score

May 15, 2016

Race day snapshot

Clear

Start Line Conditions

Start Temp 37°F 3°C

Start Humidity 73% Humidity

Wind NW 6 mph Wind

Race day high 56°F 13°C

Race day low 35°F 2°C

PR Score 99.24 Normal score 99.06

Course Score 99.24 Course-only Score

May 17, 2015

Race day snapshot

Mostly Cloudy

Start Line Conditions

Start Temp 68°F 20°C

Start Humidity 89% Humidity

Wind S 8 mph Wind

Race day high 81°F 27°C

Race day low 66°F 19°C

PR Score 93.83 Normal score 99.06

Course Score 99.24 Course-only Score

May 18, 2014

Race day snapshot

Mostly Clear

Start Line Conditions

Start Temp 48°F 9°C

Start Humidity 56% Humidity

Wind SW 6 mph Wind

Race day high 68°F 20°C

Race day low 44°F 7°C

PR Score 99.24 Normal score 99.06

Course Score 99.24 Course-only Score

May 19, 2013

Race day snapshot

Mostly Clear

Start Line Conditions

Start Temp 64°F 18°C

Start Humidity 85% Humidity

Wind SE 5 mph Wind

Race day high 85°F 29°C

Race day low 59°F 15°C

PR Score 94.99 Normal score 99.06

Course Score 99.24 Course-only Score