Research archive · For a focused introduction, explore the ten essential analyses.

Your race, in context.

12 questions for your course, age and time, drawn from 3,328,159 eligible finishes.

Optional: gender and previous marathon

An earlier time selects a 15-minute band of recorded bests from earlier years. Leave it blank for broader field comparisons.

Targets are comparison thresholds. Historical runners’ declared goals are unknown.

New York · all ages · sub-3:00 · all recorded categories

Prepare for a race: the three most relevant questions appear first. Each answer identifies its actual comparison group and any broader filters used.

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Marathon results with recorded splits, weather and supplied course profiles. Coverage and calculation details. Historical route validity and runners’ declared goals are unavailable.

Explore the broader research archive