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Gavan Hennigan

   🇮🇪 Ireland • Running • Rowing

Ocean Rower and Ultra Runner

"The Ocean is Honest, it always wants to kill you"

Gavan Hennigan is an Irish Adventurer, who became the fastest Irishman to cross the Atlantic rowing solo. He completed several Ultra Marathons, amongst them Winter Ultra Races in the Arctic. He works as a deep sea saturation diver and is our spoken advocate to fight addiction. Gavan currently lives in Chamonix, France.

🏆 Fastest Irishman to row across Atlantic

📣 Advocate to fight addictions

🤿 Is a professional Deep Sea Saturation Diver

Upcoming: Yukon Artic Ultra 436 mile race

Canada 🇨🇦
The Montane Yukon Arctic Ultra will follow the Yukon Quest trail, the trail of the world’s toughest Sled Dog Race.

500km+ Winter Arctic Ultra Marathons

USA 🇺🇸 Canada 🇨🇦
2015 - 2020
Running Ultramarathons over the course of over 500km in the Arctic: (2020) Iditarod Trail Invitational, USA (2016) Yukon Ultra 300 Mile, Canada (2015) Likeys 6633 - 350 Mile, Cananda


Worldwide 🌍
2016- now
Completing several Ultraruns and Ironman challenges around the globe.


July 2018 - Lakeland 100 Finisher
April 2017 - Quest Glendalough
July 2016 - 50 mile Western Way
July 2016 - completed Ironman Galway
January 2016 - 3rd Place - Art O'Neil Challenge, Dublin

Solo Row across Atlantic

Antigua 🇦🇬
New Irish and course record and 3rd place overall in the Talisker Whisky Atlantic Challenge. Solo row of Atlantic of 49 days, 11 hours and 37mins.

Gavan Hennigan Atlantic Ocean Rowing

Gavan Hennigan Atlantic Ocean Rowing

Solo Crossing Lake Baikal

Russia 🇷🇺
Crossing Lake Baikal in Siberia and ran/walked 700km in 17 days, that's 17 Marathons in 17 days while pulling a 65kg sled with all my supplies with him solo.

Gavan Hennigan Lake Baikal

Gavan Hennigan Lake Baikal

Summiting Ama Dablam

Nepal 🇳🇵
May 2015
Summiting 6,856m Ama Dablam

Deep Sea Saturation Diver

Worldwide 🌎
2007 - now
Commercial Construction Saturation Diver


Articles & Writing

Attitude Magazine: Gay Extreme Adventurer Who Row Across The Atlantic. Read
The Irish Times:
Gavan Hennigan's story: From alcoholic and addict to extreme adventurer. Read
Explorers Web: Gavan Hennigan, deep sea diver to cross deepest lake. Read


Art of Adventuring: An Extreme Adventurer still fights with addiction Listen
Like a Bigfoot: Gavan Hennigan -- Rowing Solo Across the Atlantic, Winning the Iditarod Trail Invitational. Listen Gavan Hennigan talks about his struggles with addiction and coming out. Listen

Film & TV First Thought Talk with Gavan Hennigan. See
Galway Bay Physio: Interview with Gavan Hennigan. See
The Late Late Show: Gavan Hennigan on his next adventure. See