Have You Ever Seen A Nessie in The Thames
Saturday 1 August 2026
Trail Race
About this race
The Have You Ever Seen A Nessie in The Thames is a trail race, taking place on Saturday 1 August 2026. Entry details and pricing are available on the official event website. It's one of 59 trail races in London this season — find more below.
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Listing added June 2026