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About RaceIndexOur methodologyData coverageCyclingTriathlon

Thames Meander Marathon (London)

  • Barnes
  • London
  • Mixed
Data current as of

Official event website ↗

Same event — which distance suits you?

DistanceAscentClimb densityDescentNet elevationMax absolute gradeGAP factorFee
Marathon274 m6.5 m/km274 m0 m6.1%0.4%£55
Half Marathon159 m7.6 m/km159 m0 m6.5%0.5%Unavailable
10K78 m7.8 m/km77 m0 m6.5%0.5%Unavailable

Marathon

Ascent
274 m
Climb density
6.5 m/km
Descent
274 m
Net elevation
0 m
Max absolute grade
6.1%
GAP factor
0.4%
Fee
£55

Half Marathon

Ascent
159 m
Climb density
7.6 m/km
Descent
159 m
Net elevation
0 m
Max absolute grade
6.5%
GAP factor
0.5%
Fee
Unavailable

10K

Ascent
78 m
Climb density
7.8 m/km
Descent
77 m
Net elevation
0 m
Max absolute grade
6.5%
GAP factor
0.5%
Fee
Unavailable

GAP is modelled energy-cost change versus flat, not a time penalty. Unavailable cells mean no sourced value is available yet. Click a distance for its full page.

Compare distances at this event

Same-event questions

What distances does Thames Meander Marathon (London) offer?

Thames Meander Marathon (London) offers Marathon, Half Marathon, 10K, all run from the same event.

Typical conditions on race weekend

  • 25°CTypical temperature
  • 18 kphTypical wind
  • 2 mmTypical rainfall
  • 36Favourability /100
Typical conditions for the race date and locality, warmer than 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

Published facts and derived model outputs on this page are tied to stored sources or a published, version-locked methodology. We show the provenance so runners, coaches and organisers 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 →

Source-backed sections

available route profile, entry fees, cost estimates, race-day conditions, and source facts are shown on this event page. Sections appear only when their source-backed data is available.