BBC : Countdown to Rio 2016: Olympic sport this week
THIS WEEK'S EVENTS
Badminton: The world's top players will be in action at the Malaysia Open,one of this season's five World Superseries Premier events. Mixed doubles pair Chris and Gabby Adcock head the British challenge.
Boxing: Great Britain will be hoping to qualify their first boxers for Rio at theEuropean Olympics Qualifier in Samsun, Turkey (7-18 April). Nicola Adams, Chantelle Cameron and Savannah Marshall compete in the women's tournament, with Galal Yafai, Muhammad Ali, Qais Ashfaq, Joe Cordina, Pat McCormack, Cyrus Pattinson, Antony Fowler, Joshua Buatsi, Lawrence Okolie and Joe Joyce in the men's competition.
Cycling - BMX: The second round of this year's BMX World Cup seriesreturns to Manchester's National Cycling Centre this weekend, with Britain's former world champion Liam Phillips going for his fourth consecutive victory at the event.
Cycling - road: One of cycling's most iconic one-day road races, Paris-Roubaix, is on 10 April. Ian Stannard and Luke Rowe - eighth last year - will lead British hopes.
Gymnastics: The British Championships take place in Liverpool this weekend, with the likes of world champion Max Whitlock, Olympic silver medallist Louis Smith and four-time Commonwealth champion Claudia Fragapane set to compete. As well as battling it out to be crowned the best in Britain, they will also be looking to prove to selectors they deserve a place at May's European Championships, and this summer's Olympics.
Handball: The final six men's Olympic spots will be decided at three tournaments in Poland, Sweden and Denmark (8-10 April).
Rugby Sevens: Both the men's and women's World Series return this weekend. Round three of the women's tournament takes place in Atlanta, USA (8-9 April) with Australia looking for a third consecutive victory this season. The men head to Hong Kong (8-10 April) with Fiji, strong contenders to win their country's first ever Olympic medal in Rio, holding a slender lead in the overall standings.
Triathlon: The second round of the World Series in Australia (9-10 April) is doubling up as a British trial to decide the final men's and women's spots for Rio 2016. The women's race is the most intriguing, with Commonwealth champion Jodie Stimpson going head to head with former world champion Helen Jenkins. With the Olympic gold and bronze medallists from London 2012, Alistair Brownlee and brother Jonny, already selected, European Games champion Gordon Benson and Tom Bishop will attempt to secure the right to join them.
Water polo: The final four men's Olympic spots will be decided at a qualification tournament in Italy from 3-10 April.
Weightlifting: The Olympic test event (the South American Championships) takes place in Rio.