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
Chevron Houston Marathon
Best for
Elite PB chasingNewer marathonersFlat-course PBs
Race B
Marine Corps Marathon
Best for
Newer marathoners
Race A
Chevron Houston Marathon
Houston, USA
Race B
Marine Corps Marathon
Washington DC, USA
Date
Expected January 2027
Oct 25, 2026
Month
Jan
Oct
Location
🇺🇸 Houston, USA
🇺🇸 Washington DC, USA
Terrain
Road
Road
Elevation gain
▲
45 m
195 m
PB potential
▲
Beginner friendly
World Major
No
No
Entry type
Open
Lottery
Entry status
Check official site
Lottery opens Jan
Season
Winter · Americas
Autumn · Americas
Race-day temp.
8–16°C
10–17°C
Conditions
Cool winter morning, warming by finish
Crisp autumn — one of the most reliable race-day climates on the US calendar
Humidity
55–70%
55–70%
Wind
10–20 km/h southerly
10–20 km/h
Qualifies for
Boston Marathon
—
Want to know how these scores are calculated? See methodology →