Almost time for our first main event - Don't drop it!

Imani-Lara Lansiquot said on Saturday that the GB women's relay team "is on flames" which I can only assume is a good thing. She is in one of three GB teams scheduled to compete in this race. They will have at least half a collective eye on the world leading time of 42.05 set by Louisiana State University in May.

Image source, Getty Images

There are not many British athletes in history who complete the set of Commonwealth, European, World and Olympic golds.

Well played Greg Rutherford. Well played.

The 2018 edition is a very different Greg Rutherford.

Compared to the Olympic gold medal winner (below), he is six years older and several pounds heavier, with a few more creases round the eyes, plenty more creaks in the joints and lower expectations in mind.

He returns to London Stadium on Sunday for the Anniversary Games in search of memories rather than medals.

"I am just a bit broken," the 31-year-old British long jumper told BBC Sport.

"I am not coming in to win because I just don't really have that in my body. I just want to go out and enjoy.

"In 2012 the whole aim was to try and win the Olympic title. This time I am going to try and give back to the crowd, take as many selfies as I can and sign as many autographs as I can."

Image source, Getty Images

Denise Lewis
Olympic heptathlon gold medallist on BBC TV

What a fantastic career Greg Rutherford has had and this stadium was the catalyst for him. I hope he gets a few jumps in because it has been difficult for him and I hope he enjoys his moment.

Mike Henson
BBC Sport at London Stadium

You can have your flag in any colour you want as long as it is either red, white and blue or green, black and gold.

Apparently the British banners have been comfortably outselling their Jamaican counterparts.

The best chance of shifting some of Jamaica’s flags today is off the back of either double Olympic champion Elaine Thompson or Shericka Jackson, who is second-fastest in the world this year over 200m.

But with Greg Rutherford’s farewell to the London Stadium combined with the electric form of the ever-popular Dina Asher-Smith, the current trend is unlikely to change too much.

Laura Muir finished second in the Diamond League, running a season's best 1500m time of three minutes 58.18 seconds in Lausanne.

Remember that mile record she is going for today is 4:17:57.

Michael Johnson
Four-time Olympic gold medallist athlete on BBC TV

Starting off the meet with the 4x100m relay is unusual but will get everyone excited because the relay is fun.

The opening event of the day sees no fewer than three British squads in action.

Zharnel Hughes - second in the 100m yesterday - is set to anchor the number one team.

Image source, EPA

The relays normally end a weekend of action but we've flipped it this time around.

Mike Henson
BBC Sport at the London Stadium

Meet the Parsons.

Dale, Caroline and young Lucy have travelled in from Oxford (bus to Marble Arch, Central Line to Stratford, ‘all very easy’ apparently) for today’s action.

They are long-time London Stadium goers. Veterans of London 2012, they also attended two days of last year’s World Championships.

They have seats on the back straight, prime viewing positions for Greg Rutherford’s London Stadium curtain call.

With the former world, Olympic and European champion promising to selfie himself to exhaustion after his final jump, there is a photo opportunity for them as well.

Paula Radcliffe
Women's marathon world record holder on BBC One

We've got some fascinating races within races for athletes who are trying to grab a space in the European Championship team.

Laura Muir is going for the mile record - it's not that much of a difference from 1500m but it's a very tough record. It's testament to how far ahead of her time Zola Budd was.

One of the weirdest things I've seen in professional sport in quite some time...

Watch as race leader Fantu Worku inexplicably stops running with 200 metres of the women's 3,000m still to go at the Anniversary Games yesterday.

A reminder that the GB squad for the European Championships in Berlin is confirmed tomorrow.

So no injuries, but no slacking off either.

Mike Henson
BBC Sport at London Stadium

More butterflies here than in the glasshouse at London Zoo.

Before the professionals take to the track this afternoon, it is the chance for the stars of tomorrow to shine.

There are eight 4x100m relay races - for boys and girls in the under 13, under 15, under 17 and under 20 age groups - featuring the best amateur clubs in the south of England on the big stage.

The crowd might be sparse, but each race gets the full treatment with tannoy announcement, television cameras on the startline and laser timing.

Think your school sports day with the amp turned up to 11.

Image source, PA

Britain's Laura Muir will target Zola Budd's 33-year-old British mile record in the last race of the day, a field which includes 5,000m world champion Hellen Obiri and world medallists Sifan Hassan and Jenny Simpson.

BBC Two

Live BBC coverage is presented by Gabby Logan with commentary and expert analysis from Steve Cram, Andrew Cotter, Paula Radcliffe, Steve Backley, Michael Johnson and Denise Lewis.

You can watch at the top of the page or on BBC Two.

Mike Henson
BBC Sport at London Stadium

In theory - as the reigning European champion from Amsterdam 2016 - Greg Rutherford has a wildcard straight into the British team for this year’s championships.

However, there is a catch. He has to have providing demonstrated “form and fitness to indicate that they can be competitive in Berlin”.

On outdoor leaps, he is currently 38th in Europe and fifth in Great Britain.

His farewell tour will definitely take in Birmingham's Diamond League meeting and the Great North CityGames in Newcastle.

It will not be goodbye to the public eye, though.

Two days after he clambers out of the pit for the final time on Tyneside, he starts filming on a yet-to-be-revealed television project.

Here's the day's agenda.

Buckle up.

Image source, Anniversary Games

Image source, Getty Images

Yes, London Stadium prepares to say goodbye to long jumper Greg Rutherford, one of the three British 'Super Saturday' heroes from the 2012 Olympics alongside Ennis-Hill and Mo Farah.

Rutherford, who will retire at the end of the season, is one of only five British track and field athletes to hold the four major Olympic, world, European and Commonwealth titles simultaneously.

The 31-year-old is recovering from an appendix operation but lines up against Olympic champion Jeff Henderson in a strong field.

No Farah.

No Ennis.

No Bolt.

And, after today, no Rutherford.

Image source, Getty Images

The heroes of London 2012 are packing up and leaving town.