Ones to watch on day seven of the Olympic Games

  • Sport
Katherine Grainger won silver in Sydney, Athens and Beijing but now wants gold for her collection. Credit: PA

ATHLETICS: WOMEN'S HEPTATHLON

  • Friday, 10:05 - 20:56, Olympic Stadium

Sheffield's golden girl Jessica Ennis starts her bid for heptathlon gold with the 100 metres hurdles, high jump, shot and 200m on day one. The former world champion will be aiming to build a big lead ahead of a tougher second session on Saturday.

ROWING: WOMEN'S DOUBLE SCULLS

  • Friday, 10:30am - 12:17pm, Eton Dorney

Katherine Grainger and Anna Watkins are among the leading gold medal hopes in Team GB. The pair are double world champions and head into the final of the women's double sculls, unbeaten in 22 consecutive races.

Katherine Grainger (right) and Anna Watkins in action in their heat of the women's double sculls Credit: Stephen Pond/PA Wire/Press Association Images

TENNIS: MEN'S SINGLES

  • Friday 12:00pm - 6:00pm, Wimbledon

Murray is certain to play for a medal but to keep alive his hopes of gold he will have to beat Novak Djokovic, last year's Wimbledon champion and the man recently deposed as world number one, in the men's singles semi-finals.

Andy Murray in action during his Quarterfinal match of the Men's Singles Credit: Rebecca Naden/PA Wire/Press Association Images

SAILING: WOMEN'S 470

  • Friday, 12:00pm - 1:00pm, Weymouth and Portland

The women's 470 world champions finally get their campaign under way tomorrow after a long wait. Hannah Mills and Saskia Clark, who only paired up in early 2011, are widely considered as favourites to top the podium.

Hannah Mills and Saskia Clark (in yellow) compete in a London Olympics test event in Weymouth Credit: Chris Ison/PA Archive/Press Association Images

EQUESTRIAN: INDIVIDUAL DRESSAGE

  • Friday, 11:00am - 3:20pm, Greenwich Park

Enfield-born dressage star Charlotte Dujardin has had a remarkable 18 months, breaking the grand prix special world record and freestyle British record. It is possible that she could mark her Olympic debut with two gold medals at Greenwich Park.

Charlotte Dujardin and her horse Valegro are storng contenders for a gold medal Credit: Steve Parsons/PA Wire.

ARCHERY: MEN'S INDIVIDUAL

  • Friday, 09:00, Lord's Cricket Ground

Bristol bowman Larry Godfrey is Team GB's last man standing on the final day at Lord's. He placed fourth in the ranking round and begins his bid for a podium place against Malaysia's Khairul Anuar Mohamad in the last 16.

Larry Godfrey will be hoping for a podium place in the men's individual archery competition Credit: Tim Ireland/PA Wire/Press Association Images