Fundraising Support us Challenge 1739 Challenge 1739 2021 is now over - thanks to all who took part. Watch this space for information on next year's event! What is Challenge 1739? You have the whole month of October to complete 17 days of exercise, for just 39 minutes per day. There's no sign up fee, no fundraising target – just raise as much as you can! When you receive your first donation you will get an exclusive 1739 T-shirt and everyone who raises £150 or more will receive a 1739 medal of achievement. Want to find out more about Challenge 1739? Sign up for updates below: Register your interest Are you looking for a different challenge? See all the events we offer here.