Charity: Bicycle - Douglas Concha World Record Attempt

Hawai’i Bicycling League Member and Charity:Bicycle Founder, Douglas Concha is attempting to set the Guinness World Record for circumnavigating the world (18,000 miles / 28,970 km) on a single-gear bicycle. 

This effort will raise funds and awareness for Médecins Sans Frontièrs/Doctors Without Borders

Douglas is departing Honolulu, Hawai’i on June 1, 2023 and plans to return 9 months later.

Click here to read Douglas’ world record attempt action plan!


Douglas Send Off – June 1, 2023

Join the official send-off! by Douglas Concha on May 23 On June 1st, I will begin my Guinness World Record attempt to circumnavigate the world (18,000 miles/28,970 km) self-supported on

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