Lael Wilcox arrives in Chicago 108 days and 12 hours after setting off to cycle 18,000 miles.

A US “ultra-endurance” cyclist has claimed a new world record for fastest woman to circumnavigate the globe by bike.

Lael Wilcox took 108 days, 12 hours and 12 minutes to cycle 29,169km (18,125 miles), starting and ending in Chicago.

She beat the 2018 record held by Jenny Graham, from Scotland, whose journey took 124 days 11 hours.

Wilcox, 38, of Alaska, set off on 28 May, crossing 21 countries on four continents before arriving back in Chicago around 21:00 local time (02:00 GMT) on Wednesday.