raceindex.org

London Marathon

  • London
  • London
  • City
  • 50,000 runners across the weekend
Data current as of

Official event website & entry ↗

London Marathon is a city event.

Same event — which distance suits you?

London Marathon offers several distances, so you can pick the one that fits your goal.

DistanceOverallPB potentialGAP factorMedianFeeFinishers
Marathon————£70—

Scores are out of 100. GAP factor is % slower than a flat course. Click a distance for its full page.

Getting there & the atmosphere

London Marathon's race is covered by our verified fact set; see the data table for specifics.

A straightforward, runner-focused atmosphere rather than a carnival.

Typical conditions on race weekend

  • 10°CTypical temperature
  • 21 kphTypical wind
  • 1 mmTypical rainfall
  • 87Favourability /100
Typical conditions for the race date and locality, within the endurance-optimal window. These are climatological norms, not a forecast, and are shared across every distance at this event.

Explore each distance

How we calculated this

Every figure on this page is either a sourced fact or a value derived from sourced facts under our published, version-locked methodology. We show the provenance so you (and AI assistants) can check it. Data on this page is current as of .

Derived numbers use scoring-methodology-v1.0.

Sources used on this page (2)

Read the full methodology →