Open Water Swimming Career
- He finished fifth overall in The Five 5 km open water swimming event in Hong Kong held in November 2016.
- He finished fourth in The DWB, a 5 km open water swim in Hong Kong on 29 April 2017.
- He won the 10 km Guam Cocos Crossing in Guam on 28 May 2017.
- He won the 15 km Clean Half Extreme Marathon Swim in Hong Kong in 4 hours 42 seconds on 7 October 2017.
- He finished second at the 10 km Hong Kong Open Water Championships on 13 May 2018.
- He won the 5 km Liberty Wave Open Water Swim in Singapore on 22 July 2018.
- He finished third in the 10 km Sun Moon Lake Swim in Sun Moon Lake, Taiwan on 22 September 2018.
- He qualified for the 2020 Tokyo Olympics Olympic 10K Marathon Swim.
- He finished 20th at the World Beach Games 5 km open water race on 13 October 2019.
- He competed in the 2019 FINA World Championships 5 km in South Korea finishing in 53:56.20 on 13 July 2019.
- He competed in the 2019 FINA/CNSG Marathon Swim World Series 10 km finishing in 1:58:25.84 on 29 September 2019.
- He competed in the 2019 FINA World Championships 5 km mixed relay in South Korea on 18 July 2019.
- He finished 26th in the 10 km in 2:03:11.70 at the age of 18 at the FINA Olympic Marathon Swim Qualifier held in Setubal Bay, Portugal on 20 June 2021.
- He finished 22nd in the 10 km in 1:58:25.84 at the age of 17 at the FINA/CNSG Marathon Swim World Series in China on 29 September 2019.
- He finished 11th in the 10 km in 1:58:43.00 at the age of 17 at the FINA/CNSG Marathon Swim World Series in Taiwan on 7 September 2019.
- He competed in the 5 km Mixed Team relay at the age of 16 at the 18th FINA World Championships in South Korea on 18 July 2019.
- He finished 61 Men 10 km in 1:59:36.80 at the age of 16 at the 18th FINA World Championships in South Korea on 16/07/2019.
- He finished 37th in the 5 km in 53:56.20 at the age of 16 at the 18th FINA World Championships in South Korea on 13 July 2019.
- On 5 August 2021, he finished 22nd in the Olympic 10K Marathon Swim in Odaiba Marine Park in Tokyo Bay at the 2020 Tokyo Olympic Games at the age of 18.
2020 Tokyo Olympic 10K Marathon Swim Results
Gold: Florian Wellbrock (Germany, 23) 1:48:33.70
Silver: Kristóf Rasovszky (Hungary, 24) 1:48:59.00
Bronze: Gregorio Paltrinieri (Italy, 26) 1:49:01.10
4. Matan Roditi (Israel, 22) 1:49:24.90
5. Athanasios Kynigakis (Greece, 22) 1:49:29.20
6. Marc-Antoine Olivier (France, 25) 1:50:23.00
7. Ferry Weertman (Netherlands, 29) 1:51:30.80
8. Michael McGlynn (South Africa, 21) 1:51:32.70
9. Hau-Li Fan (Canada, 23) 1:51:37.00
10. Jordan Wilimovsky (USA, 27) 1:51:40.20
11. Rob Muffels (Germany, 26) 1:53:03.30
12. Kai Graeme Edwards (Australia, 22) 1:53:04.00
13. Taishin Minamide (Japan, 25) 1:53:07.50
14. Mario Sanzullo (Italy, 28) 1:53:08.60
15. David Farinango (Ecuador, 20) 1:53:09.80
16. Phillip Seidler (Namibia, 23) 1:53:14.10
17. Daniel Delgadillo (Mexico, 31) 1:53:14.40
18. Alberto Martinez (Spain, 23) 1:53:16.50
19. Kirill Abrosimov (Russian Olympic Committee, 29) 1:54:29.30
20. Ous Mellouli (Tunisia, 37) 1:56:33.30
21. Vitaliy Khudyakov (Kazakhstan, 26) 1:57:53.70
22. William Yan Thorley (Hong Kong, 18) 1:58:33.40
23. Tiago Campos (Portugal, 22) 1:59:42.00
24. Matej Kozubek (Czech Republic, 25) 2:01:52.10
DNF Hector Thomas Cheal Pardoe (Great Britain, 20)
DNF David Aubry (France, 24)
- Florian Wellbrock Dominates The Olympic 10K Marathon Swim
- Tokyo 2020: Olympic Marathon Swim Predictions – William Yan Thorley (Hong Kong)
- Tokyo Games: Hong Kong’s William Yan Thorley qualifies for Olympics in marathon swimming
- Matan Roditi Is Heading To The Tokyo Olympic Games
- Athanasios Kynigakis Is Heading To The Tokyo Olympic Games
- Watch The Olympic Qualification Race – Takeshi Toyoda Of Japan In Lead
- Hector Pardoe Is Heading To The Tokyo Olympic Games
- Olympic Dreams To Be Made In Setúbal Bay – The Men
- Kareena Lee, Open Water Olympian
- Hsin-Yi Fang, Saleh Mohammad Win Sun Moon Lake 10 km
- Singha Chau Wins The Five In Hong Kong
- Sin And Lam Win Hong Kong 10 km Championships
- Open Water Swimming
- World Open Water Swimming Association
- Daily News of Open Water Swimming
- The DWB Registration
- The DWB In Hong Kong
- Poon Outlasts Wong In Hong Kong's DWB
- Bill Thorley Wins 10K Guam Cocos Crossing
- Top 50 Open Water Swims in Asia
- Environmentally-friendly Open Water Relays
- Clean Half Welcomes YakSwimmers
- Déjà Vu Victories In Hong Kong For Keith Sin, Nikita Lam
- William Yan Thorley FINA bio