Marathon Compass
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Compare · goal: a fast time

Two ways to run this. One of them is your answer.

Boston MarathonHopkinton, MA
Course shape
+815 ft · net −490 ft
+302 ft
Race morning
49°F · 41°F dew
44°F · 38°F dew
Getting in
qualifier · $255
open · $140
Trip estimate
~$1,505
~$750
Race date
Apr 19, 2027
Nov 7, 2026

CNO Financial Indianapolis Monumental, on this goal. It has the easier course and the easier entry — and against Boston that is the difference that actually shows up in your finish time.

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If your goal is different
A fast time / BostonCNO Financial Indianapolis Monumental
A first marathonCNO Financial Indianapolis Monumental
Easiest entryCNO Financial Indianapolis Monumental
Crowd & supportBoston
Lower trip costCNO Financial Indianapolis Monumental

Race-morning figures are 10-year history normals, not forecasts. Cost and travel are estimated from South Florida; your own origin may flip the trip-cost row. Full method on the methodology page.

Score (10 = easiest)Boston MarathonCNO Financial Indianapolis Monumental
Green Score (overall)
7.1
8.9
First-timer score
8.0
9.5
Terrain
6.9
9.0
Climate
10.0
10.0
Entry
2.0
10.0
Travel
5.0
5.0
Field & support
10.0
9.5
Distancemarathonmarathon
DateApril 19, 2027November 7, 2026
LocationHopkinton, MAIndianapolis, IN
Typical race-day weather (normal)49°F / dew 41°F44°F / dew 38°F
Elevation gain814 ft302 ft
Field size30,00020,000
Entryqualifieropen
Entry fee$255$140
Boston qualifier courseNoYes

Sign in and connect Strava to see your projected finish time and qualifying odds at both races — heat- and course-adjusted to race day.