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
Flying Pig Marathon
Best for
First marathonsQualifying pathway
Race B
Detroit Free Press International Marathon
Best for
Flat-course PBsQualifying pathway
Race A
Flying Pig Marathon
Cincinnati, USA
Race B
Detroit Free Press International Marathon
Detroit, USA
Date
Expected May 2027
Oct 18, 2026
Month
May
Oct
Location
🇺🇸 Cincinnati, USA
🇺🇸 Detroit, USA
Terrain
Road
Road
Elevation gain
320 m
▲
85 m
PB potential
▲
Beginner friendly
▲
World Major
No
No
Entry type
Open
Open
Entry status
Check official site
Open
Season
Spring · Americas
Autumn · Americas
Race-day temp.
10–19°C
7–16°C
Conditions
Ohio spring — can warm quickly after a cool start
Great Lakes October — cool and variable, possible rain
Humidity
55–70%
55–70%
Wind
10–20 km/h
10–20 km/h Lake Erie breeze
Qualifies for
Boston Marathon
Boston Marathon
Want to know how these scores are calculated? See methodology →