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London Marathon 2027

Marathon de Londres 2027

Greenwich, Londres, Royaume-Uni

In 2027 the marathon takes place on April 24 and 25 over the same course from Greenwich to Westminster. Check your allocated day, start access and the organiser’s instructions.

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42.4kmDistance
+144mElevation
178mD−

Metrics from the available track

Julian Mason · recadrage Trailboard · CC BY 2.0

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Runners on Westferry Road at the 2014 London Marathon.
Photo:Julian Mason · recadrage TrailboardCC BY 2.0

Route reference

Prepare the Marathon de Londres 2027 route

The Marathon de Londres 2027 page brings together published data for this running route.

The route is listed from Greenwich, Londres, Royaume-Uni to Westminster, Londres, Royaume-Uni, with 42.4 km and 144 m D+ on the page.

Listed organiser: London Marathon Events.

Start / area
Greenwich, Londres, Royaume-Uni
Finish
Westminster, Londres, Royaume-Uni
Edition
2027
Distance
42.4 km
Elevation gain
144 m D+

GPX track and calculated values

Calculated values for this track: 42.4 km of distance calculated from the GPX track · 144 m ascent calculated from GPX elevations.

These track measurements remain separate from the organiser's figures and depend on the GPX version and sampling.

  • Source-page value: 42.2 km; distance calculated from the GPX: 42.4 km.

Sources reviewed

Official sources: 5 · sources with a recorded review date: 6. Updates from the organiser always take precedence.

Latest recorded check: 6 November 2026.

Frequently asked questions

Is the Marathon de Londres 2027 GPX available?

Yes. The track and its profile can be viewed here, and the file is available as a free download from this page.

Do these details replace the organiser's instructions?

No. This page makes sources easier to consult and separates published data from GPX calculations. Check the latest official instructions before the start.

Other catalogue routes

Reviewed information

Preparation and points to check

Race-day instructions

  • As a historical reference, the 2026 guide lists water refill stations at miles 5, 10, 14, 17 and 20, and gels at miles 13 and 19. These locations are not confirmed for 2027.

Checks before the start

  • Read the official rules for your edition.
  • Check registration and bib collection.
  • Plan transport to the start and from the finish.
  • Check the schedule, cutoffs and start-area access.
  • Locate aid stations and plan your fueling.
  • Compare this reference track with the organiser’s course.

Differences and information still uncertain

These items are shown explicitly so an approximation is never presented as official data.

  • The GPX is an unofficial reference track from an earlier or unknown edition; it may differ from your race.
  • Check aid-station locations, supplies and schedules for your edition with the organiser.
  • Course data: © OpenStreetMap contributors, ODbL 1.0.

Check the information

Sources and provenance

These links point to the documents used. The organiser's instructions remain authoritative if they change.

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