Holly Willoughby and Freddie Flintoff present live from Crystal Palace athletics stadium and Alex Scott reports from trackside as 12 celebrities take on a series of sporting challenges. The opening night sees the women go head-to-head in a hurdles race while the men do battle in the hammer and 400m race, while there is also the first round of the mixed synchronised diving.

• Kevin Clifton
• Olivia Attwood
• Phoenix Brown