Two women have broken the world record for the fastest time circumnavigating the globe on a tandem bicycle. Cat Dixon, 54, and Raz Marsden, 55, accomplished the feat in 263 days, beating the ...

Lael Wilcox is the fastest woman to ride her bike around the world. The Tucsonan traveled over 18,000 miles in three months to break the record.

but so worth the sacrifice and years of focus on becoming the fastest human on a bicycle in the world," Mueller-Korenek said. "We weren't supposed to go more than 175." Mueller-Korenek's record ...

The bike was not intended for mass production, and only ten units were produced between 2003 and 2006, making it rare and unique. Who holds the record for the fastest motorcycle in the world?