Boston, MA

Boston Marathon Pace Calculator

Generate elevation-adjusted marathon splits for the Boston Marathon using a target finish time, preferred units, and the race course profile.

42.2

kilometers

Full

distance

Major

course type

Generate a per-split pacing plan for race day.

Add GPX to show elevation profile

Point-to-point from Hopkinton to Boylston, with fast early downhills before the Newton Hills and Heartbreak

↑ 0m   ↓ 0mElevation pending

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Even: steady. Negative: faster second half. Positive: faster first half.

Plan your Boston Marathon splits

The Boston Marathon course is point-to-point from hopkinton to boylston, with fast early downhills before the newton hills and heartbreak. A pace plan for this route should account for where the course asks for steadier effort, where climbs may slow target pace, and where descents or flatter sections may allow time back.

Enter your goal finish time, select kilometers or miles, and calculate a split plan that keeps the total time aligned with your target.

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