They're raising money for five local charities.
A midlands group is attempting to travel 160,000 kilometres in three months.
Tullamore Cycling and Touring Club is hosting the 'Around the World Four Times in 80 days' event, aiming to raise money for five local charities.
A GoFundMe page has been set up to encourage donations.
PRO Sinead Molloy hopes this challenge will be the motivation people need to get back on the saddle: