2026 edition
Entry options are not yet confirmed for this edition. Check the organiser before making plans.
Modelled energy-cost change 0.4% versus flat · net elevation 0 m · true cost £185
Decision summary
Lower than 56% of comparable mapped races
6:30:00 total limit divided by distance. Check gun/chip timing and intermediate limits; allow time for stops.
Lower than 77% of comparable known fees
Historical race-date favourability, not a forecast
Stored GPS route
Quick answers
raceindex.org has a GPS course file for Thames Meander Marathon (London), so runners can inspect the route line on the map. Elevation charts and ascent figures appear only when that file includes usable elevation data.
The Thames Meander Marathon (London) route has 274 m of ascent, 274 m of descent and an estimated 0.4% grade-adjusted pace penalty versus a flat route.
The Thames Meander Marathon (London) route starts at Small Profit Dock Gardens, Lonsdale Road, Barnes, London SW13 9JS (CP1 Start/Finish) and finishes at Small Profit Dock Gardens, Lonsdale Road, Barnes, London SW13 9JS. Underfoot, expect thames Path towpath, described as a runnable riverside route. It passes River Thames, Barnes Bridge, Thames Path towpath, Kew Gardens and Richmond. Three distances on the same day along the Thames Path: Marathon, Half Marathon and 10K, all very flat and fast with an out-and-back format.
Bag storage available at race HQ; runners are advised to arrive at least 45 minutes before their start to register, store bags and warm up. 3.
| Entry fee | £55 |
|---|---|
| Travel (modelled) | £40 |
| Accommodation (modelled) | £90 |
| Estimated total | £185 |
Its normalised GAP factor is 0.4% slower than a flat course, with about 274 m of total ascent.
The adult entry fee is £55, and the estimated true cost to the start line is about £185 including modelled travel and accommodation.
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