United Kingdom · England
Thames Path 100
Distance
161 km
Date
May 2, 2026
Entry fee
220 GBP
€ / km
€1.57
Flat-but-mental: nonstop riverside miles, fast pacing, and a pure endurance test.
Elevation and Terrain
Total Meters
1900m
D+/KM
11.8m/km
For context, the Tor des Géants 330 loop has 73 D+/km.
Avg Uphill Gradient
4.0%
Avg Downhill Gradient
-4.0%
Uphill gradient distribution
Route Profile
Analysed 2026-05-02Terrain breakdown
Terrain
Climbs
Top climbs
0.9 km · 53 m gain
starts km 85 · avg 6.2% · max 27.6%
1.4 km · 31 m gain
starts km 110 · avg 2.2% · max 8.2%
0.9 km · 25 m gain
starts km 104 · avg 2.8% · max 16.8%
Top descents
1.8 km · 48 m drop
starts km 86 · avg -2.7% · max -10.5%
1.3 km · 33 m drop
starts km 112 · avg -2.5% · max -15.6%
0.5 km · 31 m drop
starts km 105 · avg -6.0% · max -9.4%
Race files
Logistics
Nearest airport
London Heathrow (LHR) / Gatwick (LGW)
Notes
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