2026 edition
Entry options are not yet confirmed for this edition. Check the organiser before making plans.
Modelled energy-cost change 0.5% versus flat · net elevation 0 m
Decision summary
Lower than 54% of comparable mapped races
3:15:00 total limit divided by distance. Check gun/chip timing and intermediate limits; allow time for stops.
Historical race-date favourability, not a forecast
Stored GPS route
Quick answers
raceindex.org has a GPS course file for Thames Meander Marathon (London) 10K, 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) 10K route has 78 m of ascent, 77 m of descent and an estimated 0.5% grade-adjusted pace penalty versus a flat route.
The Thames Meander Marathon (London) 10K 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 a road course. 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.
Its normalised GAP factor is 0.5% slower than a flat course, with about 78 m of total ascent.