Historical Race Day Weather for the Sundance to Spearfish Marathon

September 7, 2025

Race day snapshot

Partially cloudy

Start Line Conditions

Start Temp 48°F 9°C

Start Humidity 54% Humidity

Wind S 5 mph Wind

Race day high 78°F 26°C

Race day low 42°F 6°C

PR Score 100.04 Normal score 103.03

Course Score 100.51 Course-only Score

Course-adjusted pacing

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September 8, 2024

Race day snapshot

Clear

Start Line Conditions

Start Temp 53°F 12°C

Start Humidity 63% Humidity

Wind W 5 mph Wind

Race day high 86°F 30°C

Race day low 53°F 12°C

PR Score 98.86 Normal score 103.03

Course Score 100.51 Course-only Score

September 10, 2023

Race day snapshot

Partially cloudy

Start Line Conditions

Start Temp 54°F 12°C

Start Humidity 99% Humidity

Wind ESE 5 mph Wind

Race day high 61°F 16°C

Race day low 49°F 9°C

PR Score 99.61 Normal score 103.03

Course Score 100.51 Course-only Score

September 11, 2022

Race day snapshot

Clear

Start Line Conditions

Start Temp 49°F 9°C

Start Humidity 75% Humidity

Wind SSW 6 mph Wind

Race day high 78°F 26°C

Race day low 47°F 8°C

PR Score 100.32 Normal score 103.03

Course Score 100.51 Course-only Score

September 12, 2021

Race day snapshot

Clear

Start Line Conditions

Start Temp 58°F 14°C

Start Humidity 72% Humidity

Wind SSW 5 mph Wind

Race day high 83°F 28°C

Race day low 56°F 13°C

PR Score 98.83 Normal score 103.03

Course Score 100.51 Course-only Score

September 13, 2020

Race day snapshot

Clear

Start Line Conditions

Start Temp 66°F 19°C

Start Humidity 27% Humidity

Wind SSW 12 mph Wind

Race day high 78°F 26°C

Race day low 56°F 13°C

PR Score 100.32 Normal score 103.03

Course Score 100.51 Course-only Score