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Thames Marathon and Half Marathon Swim - cover image

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4.8

(298)

Open Water Swimming Ltd.

Thames Marathon and Half Marathon Swim

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Location

Marlow, UK

Date

10th August '25

2 Entry Options

Half Marathon

Marathon

Rating Highlights

4.97 /5

Supporting Staff

4.94 /5

Event Safety

4.89 /5

Course Navigation

Rating Overview

All Time Average

4.82

2024 Average

4.78

Rating Breakdown

Pre-event communication

4.77

Event Logistics

4.89

Supporting Staff

4.97

Event Safety

4.94

Course Navigation

4.89

Water Quality

4.58

Aid Stations

4.87

Swag

4.52

Sustainability

4.67

Facilities

4.36

Finish Area

4.75

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Features & Characteristics

Degree of Challenge

Ideal for beginners

42% of reviews

Atmosphere

Large Festival Atmosphere

84% of reviews

Location

Urban & Nature Mix

92% of reviews

Swimming

River

99% of reviews

Awards & Accolades

Racecheck Badge Award

Racecheck Gold Award - 2024

Racecheck Badge Award

Racecheck Top Rated Award - 2023

Racecheck Badge Award

Racecheck Gold Award - 2023

Racecheck Badge Award

Racecheck Gold Award - 2022

Racecheck Badge Award

Racecheck Top Rated Award - 2022

Racecheck Badge Award

Racecheck Silver Award - 2021

Racecheck Badge Award

Racecheck Top Rated Award - 2019

Racecheck Badge Award

Racecheck Top Rated Award - 2018

Racecheck Badge Award

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4.8

(298)