Free tool
Compare marathons
Side-by-side comparison of elevation, PB potential, beginner friendliness, terrain, weather, and entry details. Pick two races and see how they stack up.
Race A
vs
Race B
Race A
Rio Marathon
Best for
Well-rounded marathon experience
Race B
Cape Town Marathon
Best for
Well-rounded marathon experience
Race A
Rio Marathon
Rio de Janeiro, Brazil
Race B
Cape Town Marathon
Cape Town, South Africa
Date
Expected June 2027
Oct 18, 2026
Month
Jun
Oct
Location
🇧🇷 Rio de Janeiro, Brazil
🇿🇦 Cape Town, South Africa
Terrain
Road
Road
Elevation gain
310 m
▲
290 m
PB potential
Beginner friendly
▲
World Major
No
No
Entry type
Open
Open
Entry status
Check official site
Registration open
Season
Winter · Americas
Spring · Africa
Race-day temp.
20–27°C
18–24°C
Conditions
Rio autumn — warm and humid but manageable
Sunny with possible SE wind (the Cape Doctor)
Humidity
70–80%
45–60%
Wind
15–25 km/h off the Atlantic
15–30 km/h S (variable and strong)
Qualifies for
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Want to know how these scores are calculated? See methodology →