• On 9 November 2017, he swam 45 km circumnavigation swim around Hong Kong Island in 12 hours 32 minutes, raising over US$140,000 for Splash Foundation. He was the first man to swim around Hong Kong Island. HK360 Swim broke the existing record with escort pilot Ross Vickers, coach Henry-Thomas Wright, coordinator Shu Pu and girlfriend Maggie Dou.
• On 24 May 2014, he completed 30 km crossing from Hong Kong to Macau in 10 hours 20 minutes, raising over US$25,000 for the Ocean Recovery Alliance. He was the second individual to complete this swim from Hong Kong to Macau. The Clean Cross - Hong Kong to Macau Swim 2014 where he was Walkerized with pink dolphins. He broke the existing record by 15 minutes.
• On 12 August 2011, he completed a 33.5 km crossing of the English Channel from England to France in 15 hours 2 minutes 15 seconds.
• In 2019, he was named one of the World's 50 Most Adventurous Open Water Men by the World Open Water Swimming Association.
• In early August 2019, he competed in the FINA World Masters Championships in Gwangju, South Korea swimming in the 800m, 400m and 200m freestyle events.
• He has taken part in numerous swimming races across Asia, and throughout Ireland and the United Kingdom.
• Along with Libby Alexander, he founded Splash Foundation, Hong Kong’s only charitable organisation providing swimming lessons to thousands of adults and young people from low-income and marginalised communities. As of 2020, they have taught nearly 3,000 people how to swim.
• On 11 October 2014, he completed the 15 km Clean Half Extreme Marathon Swim in Hong Kong in 5 hours 38 minutes 16 seconds.
• On 10 October 2015, he completed the 15 km Clean Half Extreme Marathon Swim in Hong Kong in 4 hours 43 minutes 34 seconds.
• He was scheduled to serve as the Pace swimmer, decoy, bodyguard, and escort for Dan Martin on his Atlantic Ocean swim leg of the Global Triathlon.
• He was the protagonist of the 19-minute documentary film called The Clean Cross.
• He finished third in the 15 km Cold Half Extreme Marathon Swim in Hong Kong (naturally ocean division) on 21 January 2019.
• The burkini-clad swimmers of Hong Kong: domestic helpers get freedom to swim
• Hong Kong’s domestic helpers and marginalised standing tall in the pool
• How Rat won the swimming race to become the first sign of the Chinese Zodiac
• Swimming for freedom – Simon Holliday meets Mrs Chu who swam to Hong Kong for a new life
HK360 Swim (Scubazoo)
The Clean Cross (Scubazoo)
Intro to Splash Foundation (Scubazoo)
- Australian Marathon Swimming Hall of Fame Honors Linda McGill
- Ned Denison Explains About Marathon Swimming Mentors on WOWSA Live
- Simon Holliday Recalls The History Behind The Chinese Zodiac
- 2020 Cold Half And Cold Plunge In Hong Kong
- 2018 World Open Water Swimming Performance Of The Year Nominees
- 3 For 30 Across Adam’s Bridge In The Palk Strait
- Swimming The Palk Strait
- Splash Foundation
- Alex Fong Lik-sun Sets Record Around Hong Kong
- How to Swim Around Hong Kong Island, Ocean Swimming Reborn
- Open Water Swimming
- Swimming Around Hong Kong Island
- English Channel website
- Simon Holliday Marathon Swimmers Federation bio
- Welcome to the English Channel
- Simon Holliday on Twitter
- Simon Holliday Support Swimmer
- Simon Holliday Linkedin bio
- Simon Holliday On An Adventure From Hong Kong To Macau
- Simon Holliday Swims For Grate Art
- Simon Holliday Explains The Clean Cross
- Swimming For Clarity - The Course
- Simon Is On No Holliday
- Simon Holliday Is Walkerized By White Dolphins
- Moving To Macau, Heading From Hong Kong With Holliday
- Pretty In Pink, Simon Holliday Completes The Clean Cross
- Drafting In Pink
- Scooping Up Data And Debris In The Open Water
- Walkerized In Pink, Presenting The Clean Cross
- Swimming In Your Own Skin
- 3 Seaworthy Vessles
- Swim In Asia
- Open Water Swimming's Holliday In Hong Kong
- World Open Water Swimming Association
- World Open Water Swimming Series
- Open Water Swimming
- Holliday At San Francisco International Ocean Film Festival
- Grate Art To Raise Ocean Awareness
- Simon Holliday Is Making A Splash In Hong Kong
- Simon Holliday Replicates Linda McGill Round Hong Kong
- Simon Holliday Making A Splash In Hong Kong
- HK360 Swim Facebook page
- Making A Splash In The HK360 Swim
- Edie Hu Makes A Big Splash Around Hong Kong Island