Ones to watch on day four of the Olympic Games
BEACH VOLLEYBALL: WOMEN'S BEACH VOLLEYBALL
Tuesday, 5.30pm, Horse Guards Parade
Shauna Mullin and Zara Dampney return to action at Horse Guards Parade still buzzing from victory over Canada in their opening game. A far sterner test awaits them against Italy's Greta Cicolari and Marta Menegatti.
EQUESTRIAN: INDIVIDUAL AND TEAM EVENTING
Tuesday, 12.30pm, Greenwich Park
Mary King is in the mix for an individual eventing medal after a strong cross-country performance on Imperial Cavalier. The 51-year-old is competing in her sixth successive Olympics, and will be in showjumping action as team and individual medals are decided.
King forms part of a strong equestrian team line-up that also includes Zara Phillips and William Fox-Pitt.
GYMNASTICS: WOMEN'S TEAM - ARTISTIC
Tuesday, 4.30pm, North Greenwich Arena
Rebecca Tunney is the youngest member of Team GB and targeting a team medal at the North Greenwich Arena. The 15-year-old, who also qualified for the individual all-around final, will compete alongside soon-to-retire Beth Tweddle plus Hannah Whelan, Imogen Cairns and Jennifer Pinches.
ROWING: MEN'S LIGHTWEIGHT FOUR
Tuesday, 12.40pm, Eton Dorney
The Great Britain lightweight men's four, Peter Chambers, Richard Chambers, Rob Williams, Chris Bartley, are emerging as serious gold medal contenders. Having won gold at the Munich World Cup, they beat world champions Australia in the heats to reach these semi-finals.
SWIMMING: WOMEN'S 200M BUTTERFLY
Tuesday, 10.20am , Aquatics Centre
Ellen Gandy won silver at the World Championships in Shanghai last year and takes to the water in the heats of the 200 metres butterfly. The 20-year-old was eighth in the 100m but her speciality is over four lengths and she is a real contender to finish on the podium.