Jessica Ennis-Hill is back at the Olympic Stadium later this year while on Queen Elizabeth Olympic Park, the British Swimming Championships began and Great Britain's men's hockey team narrowly lost to London 2012 gold medallists Germany. Here's our review of the last 24 hours:
Jessica Ennis-Hill will return to the sight of her greatest moment at July's Anniversary Games at London's Olympic Stadium.
The 2012 Olympic heptathlon champion is returning to action after giving birth to her son Reggie in July 2014. She competes in her first heptathlon in Austria next month as she targets this year's World Championships in Beijing.
"My race schedule is starting to take shape and it will be good to compete and get a sense of where I am in my return to competing," said Ennis-Hill.
"My main goal this season is to be as competitive as possible with the long term goal being the Rio Olympics. Diamond League meetings always have the best athletes in the world so I’m sure this will be a good test for me.
"I want to perform well being back on the big stage in London but I will be realistic as 2015 is about the challenge of getting back to competitive shape after having my little boy and ultimately making the necessary progression to be at my best for Rio.”
Bobby Crutchley admitted frustration as his Great Britain side slipped to a narrow defeat to Olympic hockey champions Germany.
Alastair Brogdon broke the deadlock to give the hosts the lead but two goals in 60 seconds turned the match in the third quarter.
Mats Grambusch volleyed home from close range following a penalty corner before Christopher Wesley doubled Germany's advantage, with a well executed strike past Great Britain keeper George Pinner.
"We only showed glimpses of what we are capable of and that’s the bit which is frustrating," he said. "We could have snuck a draw near the end when we had a good chance but it didn’t come off for us.”
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Adam Peaty admitted he needed to channel every ounce of mental strength to see off a stacked 200m breaststroke field on the opening day of the British Swimming Championships at the London Aquatics Centre.
"I turned on that red light that gets me going, gets the adrenaline going and that carried me home," said Peaty.
“My red light is just all the things that make you angry, all the things you haven’t achieved yet and that absolutely carries me home, you feel no pain when it comes on."
In the women's 100m freestyle Siobhan-Marie O'Connor produced a sensational race to take the title away from Fran Halsall in 53.83 seconds.
Meanwhile, in the women's 200m butterfly, there was gold for Hannah Miley who posted 2:08.63 minutes on her way to victory.
And in the men's 100m backstroke Chris Walker-Hebborn managed to storm to the wall to edge out his long-term rival Liam Tancock.
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Four-time Olympic medallist Katherine Grainger will be back on the water at this weekend's GB Rowing trials.
Grainger, who won London 2012 double sculls gold with Anna Watkins, competes at the trials for the first time in three years after taking a long sabbatical from the sport following the Games.
In total they'll be 13 world champions and a host of Olympic medallists in action in six events - the men’s and women’s pairs and single sculls plus the lightweight men’s and women’s single sculls.
"Everyone will really want to be on top form to impress so the racing should be truly world class," said Sir David Tanner, GB Rowing Team Performance Director.
“We are moving into the sharp end of the four-year cycle with 2016 Olympic and Paralympic qualification at stake for our boats at the World Championships in France in September."
European champion Jo Pavey will be the headline act at next month's Bupa London 10,000.
Pavey won the race in 2011, beating domestic rivals Gemma Steel and Paula Radcliffe just six weeks after making her London Marathon debut.
“Last year was an incredible one for me, and completely unexpected,” said Pavey, who gave birth to her daughter, Emily, in September 2013, four years after her son Jacob was born.
“After finally winning gold in Zürich I am keen to get back out racing again and the Bupa London 10,000 will be a great way to test my fitness ahead of the summer.
“With the World Championships coming up in August and the Rio Olympic Games around the corner in 2016 this will be the perfect platform for the track season."
England women's sevens head coach Simon Middleton admits the importance of this weekend’s World Series event in Canada is not lost on him.
England head into round four of the event sat sixth in the standings, knowing they must improve on their recent form if they are to secure an automatic place for Team GB at the 2016 Rio Olympics.
Middleton's troops need to finish in the top four to qualify for Brazil, otherwise they'll be left to battle it out in further European qualifying tournaments this summer.
"There's no hiding from the fact that this is a huge leg in terms of achieving our objectives for the season, but we won’t be looking any further than our first game against Spain and then looking to build momentum on what we hope will be a solid start,” Middleton said.
Robert Farmer netted five minutes from time as Great Britain made it two wins from two with a 2-1 win over Estonia at the ice hockey World Championship in Eindhoven.
Netminder Ben Bowns turned away 29 of the 30 shots he faced after David Phillips had given Great Britain the lead.
Olympic champion Alistair Brownlee has thrown his support behind Leeds being considered to stage a round of the prestigious ITU World Triathlon Series.
"The ITU World Triathlon Series is about delivering world-class racing in iconic locations and Leeds will guarantee to do just that," he said.
"I am sure that spectators will line the route and the city centre will be full of fans cheering on the athletes as we cross the finish line."
© Sportsbeat 2015