Historical Race Day Weather for the Colorado Marathon

May 3, 2026

Race day snapshot

Clear

Start Line Conditions

Start Temp 46°F 8°C

Start Humidity 42% Humidity

Wind NW 5 mph Wind

Race day high 78°F 26°C

Race day low 43°F 6°C

PR Score 96.01 Normal score 98.77

Course Score 96.01 Course-only Score

Course-adjusted pacing

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May 4, 2025

Race day snapshot

Clear

Start Line Conditions

Start Temp 44°F 7°C

Start Humidity 64% Humidity

Wind NNE 4 mph Wind

Race day high 76°F 24°C

Race day low 41°F 5°C

PR Score 96.01 Normal score 98.77

Course Score 96.01 Course-only Score

May 5, 2024

Race day snapshot

Clear

Start Line Conditions

Start Temp 38°F 3°C

Start Humidity 85% Humidity

Wind N 6 mph Wind

Race day high 75°F 24°C

Race day low 35°F 2°C

PR Score 92.95 Normal score 98.77

Course Score 92.95 Course-only Score

May 7, 2023

Race day snapshot

Partially cloudy

Start Line Conditions

Start Temp 46°F 8°C

Start Humidity 54% Humidity

Wind NNE 5 mph Wind

Race day high 71°F 22°C

Race day low 45°F 7°C

PR Score 92.95 Normal score 98.77

Course Score 92.95 Course-only Score

May 1, 2022

Race day snapshot

Mostly Cloudy

Start Line Conditions

Start Temp 33°F 1°C

Start Humidity 73% Humidity

Wind ENE 1 mph Wind

Race day high 67°F 19°C

Race day low 33°F 1°C

PR Score 92.95 Normal score 98.77

Course Score 92.95 Course-only Score

October 24, 2021

Race day snapshot

Mostly Cloudy

Start Line Conditions

Start Temp 44°F 7°C

Start Humidity 71% Humidity

Wind WNW 7 mph Wind

Race day high 67°F 19°C

Race day low 42°F 6°C

PR Score 95.94 Normal score 98.77

Course Score 95.94 Course-only Score

May 5, 2019

Race day snapshot

Clear

Start Line Conditions

Start Temp 47°F 8°C

Start Humidity 54% Humidity

Wind NNW 2 mph Wind

Race day high 77°F 25°C

Race day low 46°F 8°C

PR Score 95.77 Normal score 98.77

Course Score 95.77 Course-only Score

May 6, 2018

Race day snapshot

Clear

Start Line Conditions

Start Temp 48°F 9°C

Start Humidity 77% Humidity

Wind NNW 2 mph Wind

Race day high 77°F 25°C

Race day low 47°F 8°C

PR Score 95.77 Normal score 98.77

Course Score 95.77 Course-only Score

May 1, 2016

Race day snapshot

Cloudy

Start Line Conditions

Start Temp 35°F 2°C

Start Humidity 80% Humidity

Wind N 7 mph Wind

Race day high 44°F 7°C

Race day low 35°F 2°C

PR Score 95.77 Normal score 98.77

Course Score 95.77 Course-only Score

May 3, 2015

Race day snapshot

Partly Cloudy

Start Line Conditions

Start Temp 50°F 10°C

Start Humidity 66% Humidity

Wind NW 4 mph Wind

Race day high 73°F 23°C

Race day low 47°F 8°C

PR Score 95.77 Normal score 98.77

Course Score 95.77 Course-only Score

May 4, 2014

Race day snapshot

Mostly Cloudy

Start Line Conditions

Start Temp 55°F 13°C

Start Humidity 31% Humidity

Wind W 4 mph Wind

Race day high 84°F 29°C

Race day low 49°F 9°C

PR Score 95.77 Normal score 98.77

Course Score 95.77 Course-only Score

May 5, 2013

Race day snapshot

Mostly Clear

Start Line Conditions

Start Temp 33°F 1°C

Start Humidity 67% Humidity

Wind NE 3 mph Wind

Race day high 59°F 15°C

Race day low 31°F -1°C

PR Score 95.77 Normal score 98.77

Course Score 95.77 Course-only Score

May 6, 2012

Race day snapshot

Clear

Start Line Conditions

Start Temp 42°F 6°C

Start Humidity 39% Humidity

Wind N 10 mph Wind

Race day high 58°F 14°C

Race day low 42°F 6°C

PR Score 95.77 Normal score 98.77

Course Score 95.77 Course-only Score

May 1, 2011

Race day snapshot

Clear

Start Line Conditions

Start Temp 33°F 1°C

Start Humidity 56% Humidity

Wind S 6 mph Wind

Race day high 50°F 10°C

Race day low 29°F -2°C

PR Score 95.77 Normal score 98.77

Course Score 95.77 Course-only Score

May 9, 2010

Race day snapshot

Clear

Start Line Conditions

Start Temp 30°F -1°C

Start Humidity 75% Humidity

Wind NNW 6 mph Wind

Race day high 70°F 21°C

Race day low 30°F -1°C

PR Score 95.77 Normal score 98.77

Course Score 95.77 Course-only Score