Wielka Brytania·2026

London

London runners mostly work the flat parks—Hyde Park, Regent's Park, and the Thames Path loops through central zones at ~0–50m elevation—with the marathon course itself snaking 42km through central streets and along the river. Cyclists have it harder in the city proper but escape quickly: the VeloPark GP and SOUTHERN GRIT both launch from the Olympic Park in Stratford, heading out into Essex and Kent's rolling terrain, while serious road riders target the Surrey Hills (100–300m climbs) or Kent's North Downs within 40km, and the London to Amsterdam Cycle attracts audax riders chasing a multi-day route to the Low Countries.