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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
42K Lima Marathon
Best for
Well-rounded marathon experience
Race B
Maratón de Buenos Aires
Best for
Strong PB attemptsNewer marathonersFlat-course PBs
Race A
42K Lima Marathon
Lima, Peru
Race B
Maratón de Buenos Aires
Buenos Aires, Argentina
Date
Expected August 2027
Expected October 2027
Month
Aug
Oct
Location
🇵🇪 Lima, Peru
🇦🇷 Buenos Aires, Argentina
Terrain
Road
Road
Elevation gain
190 m
▲
35 m
PB potential
▲
Beginner friendly
▲
World Major
No
No
Entry type
Open
Open
Entry status
Check official site
Check official site
Season
Summer · Americas
Spring · Americas
Race-day temp.
14–21°C
15–22°C
Conditions
Lima coastal fog (garúa) often persists morning
Spring — ideal marathon conditions
Humidity
70–85%
55–70%
Wind
15–25 km/h southerly Pacific
10–20 km/h off the Río de la Plata
Qualifies for
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Want to know how these scores are calculated? See methodology →