Lynton Mortensen is an Australian open water swimmer from Brisbane who serves as a Marathon Swimming Mentor. He was the first Australian and 12th person in the world to complete the Oceans Seven channels. He also completed the Triple Crown of Open Water Swimming within 3 months and the Australian Triple Crown of Open Water Swimming in March 2020. His nickname is Sea Bull.
Open Water Swimming Highlights
He achieved the Frosted Triple Crown of Open Water Swimming in May 2022.
He achieved the Australian Triple Crown of Open Water Swimming with the following three marathon swims:
25 km Port to Pub on 25 March 2017 in 9 hours 46 minutes 19 seconds
24 km Palm-Shelley on 13 April 2019, the inaugural 26 km Palm Beach to Shelly Beach Swim in Sydney, in 8 hours 23 minutes at the age of 54.
34 km Derwent River Big Swim in Tasmania, Australia to become the first person to complete the Australian Triple Crown on 7 March 2020.
In 2015, he completed the 10 km Balmoral Ocean Swim in Australia in 3 hours 5 minutes 10 seconds.
On 27 February 2016, he completed the 19.7 km Rottnest Channel Swim in Western Australia in 7 hours 13 minutes 47 seconds at the age of 51.
On 15 September 2016, he completed the 14.4 km Strait of Gibraltar from Spain to Morocco in 5 hours 12 minutes at the age of 52.
On 25 February 2017, he completed the 19.7 km Rottnest Channel Swim in Western Australia in 8 hours 28 minutes 41 seconds at the age of 52.
On 30 April 2017 he completed the 10.0 km Burleigh Heads to Surfers Paradise Swim on the Gold Coast Queensland in 2 hours 44 minutes at the age of 52.
On 21 May 2017, he completed the 10 km South Head Roughwater Swim from Bondi Beach to Watsons Bay, Sydney in 3 hours 38 minutes at the age of 52.
On 24 June 2017, he completed the Dorney Lake Eton Bray Open Water Race in England in 3 hours 13 minutes at the age of 52.
On 30 June 2017, he completed a 33.5 km crossing of the English Channel from England to France in 12 hours 35 minutes.
On 17 July 2017, he completed a 35 km crossing of the North Channel from Northern Ireland to Scotland in 13 hours 49 minutes 17 seconds at the age of 53.
On 19 August 2017, he finished third in the 45.9 km 20 Bridges Manhattan Island Swim around New York City in 7 hours 18 minutes 40 seconds at the age of 53.
On 27 September 2017, he completed a 32.3 km crossing of the Catalina Channel from Santa Catalina Island to the Southern California mainland in 13 hours 59 minutes 47 seconds at the age of 53.
On 13 October 2017, he attempted to cross the Bristol Channel in the UK in an attempt to completed the Original Triple Crown, but he was pulled for safety reasons as the winds picked up.
He was nominated for the 2017 World Open Water Swimming Man of the Year by the World Open Water Swimming Association.
He was nominated for the Barra Award for Most Prolific Overall Year by the Marathon Swimmers Federation in 2017.
On 24 February 2018, he finished 175th in the 19.7 km Rottnest Channel Swim in Western Australia in 6 hours 19 minutes 29 seconds at the age of 53.
On 12 May 2018, he completed the 28.2 km length of the southern Gold Coast from Snapper Rocks to Main Beach Southport in 10 hours 16 minutes at the age of 53.
On 26 May 2018, he finished 23rd in the 7.5 km Battle of Carlingford Lough in Ireland in 2 hours 6 minutes 52 seconds at the age of 53.
On 30 June 2018, he completed a 42 km crossing of the Molokai Channel from Molokai to Oahu in 14 hours 49 minutes at the age of 54.
On 14 August 2018, he completed a 19.5 km crossing of the Tsugaru Channel from Honshu to Hokkaido in northern Japan in 9 hours 34 minutes 15 seconds at the age of 54 under the escort of Captain Ito.
On 22 September 2018, he completed a 15 km crossing of La Bocaina Strait from Lanzarote to Fuerteventura in the Canary Islands off northwest coast of Africa in 4 hours 36 minutes. He attempted a two-way crossing, but his escort captain aborted the attempt after 9 hours due to deteriorating conditions on the second leg.
On 14 November 2018, he completed a 29.5 km crossing of the Cook Strait from North Island to South Island in 14 hours 14 minutes to become the first Australian to complete the Oceans Seven.
He completed the fastest completion of the 7 channels of the Oceans Seven in just over 2 years.
On 23 February 2019, he completed the 19.7 km Rottnest Channel Swim in 7 hours 33 minutes at the age of 54.
On 9 March 2019, he completed the 10 km Mentone Open Water Marathon Swim in Melbourne, Australia in 3 hours 34 minutes at the age of 54.
On 19 April 2019, he completed the 32 km Kaulakahi Channel from Kauai to Niihau in Hawaii in 13 hours 59 minutes at the age of 54.
On 24 April 2019, he completed the 17 km Auau Channel from Maui to Lanai in Hawaii in 5 hours 16 minutes at the age of 54.
On 18 May 2019 he completed a 66 km counterclockwise circumnavigation swim of Jersey Island in 11 hours 28 minutes at the age of 54.
On 26 May 2019, he completed the 7.5 km Battle of Carlingford Lough in 3 hours 2 minutes at the age of 54.
On 28 July 2019, he completed the 8 km Picnic Bay Magnetic Island to Strand Beach Townsville Swim in 3 hours 29 minutes at the age of 55.
He was named one of the World’s 50 Most Adventurous Open Water Men in 2019 by the World Open Water Swimming Association.
He became the first person to complete the Australian Triple Crown with the following 3 swims:
25 km Port to Pub Ultra Marathon in 9 hours 46 minutes 19.1 seconds, finishing 18th in 2017.
27 km Palm Beach to Shelley Beach Marathon Swim in 8 hours 23 minutes 12 seconds, finishing 7th in 2019.
34 km Derwent River Big Swim in 11 hours 10 minutes in 2020, doing the swim as a solo swimmer.
He competed in the Swim Around Keppel event, a 20 km circumnavigation swim around Great Keppel Island in Queensland, Australia held on 15 August 2020, finishing in 6 hours 45 minutes.
On 14 February 2021, he became the first person to swim 30 km around Lord Howe Island in Australia in 12 hours 29 minutes at the age of 56.
On 5 May 2022, he completed an Extreme Ice Mile in 33 minutes 56 seconds at the Svalbard Ice Swimming Adventures, held in Svalbard, Norway within the Arctic Circle in -0.77°C water and -10.0°C air temperatures at the age of 58.
