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Boston Cut-off Time Prediction Contest

Predict the 2027 Boston Cut-off Time and win a great prize and bragging rights among all your running friends.

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Historical weather

Historical Race Day Weather for the Cape Town Marathon

See historical race day weather for the Cape Town Marathon, including start temperature, humidity, wind, race day temperatures, PR score, and course score.

Race Day Forecast Tool

See Your 2026 Cape Town Marathon Race Day Conditions

Plug in your goal time and start wave to see what conditions you’ll face throughout the race — including temperature changes, headwinds, and tailwinds along the course.

View 2026 Cape Town Marathon Weather Tracker

Built to help runners plan pace and gear around real race day weather.

Cape Town Marathon Weather Tracker preview

Weather Averages for Last 12 Years

Race day snapshot

Clear

Most common race morning weather across the last 12 years.

Start Line Conditions

Start Temp 54°F 12°C

Start Humidity 81% Humidity

Wind S 7 mph

Race day high 70°F 21°C

Race day low 51°F 11°C

PR Score 96.95 Weather-influenced race day scoring

Course Score 98.44 Course-only Score

Race Day Weather by Year

Most recent years appear first so you can quickly compare start conditions, temperatures, wind, and scores across different editions of the race.

May 24, 2026

Race day snapshot

Overcast

Start Line Conditions

Start Temp 58°F 14°C

Start Humidity 100% Humidity

Wind S 5 mph Wind

Race day high 66°F 19°C

Race day low 57°F 14°C

PR Score 96.34 Normal score 97.12