Catherine Debrunner has known for a while she's going to win this race but it's a lonely place when you're out on your own.

Catherine Debrunner has less than a mile to go.

It's looking like she could win this by five minutes. Dominant.

Emile Cairess is going along nicely but he's slipped away from the British record time. Emi looks good.

Eastenders actor Jamie Borthwick, speaking to BBC One earlier: "This is a work day for us. We have to be at certain points and we will do filming and then carry on."

Eastenders actress Emma Barton said: "Normally we film about eight weeks in advance, but we'll film it today and it'll get edited in and we'll see how it goes."

The Eastenders fans among you may already know about the storyline where Honey Mitchell and Jay Brown are running the London Marathon.

Today, in a first of its kind, actors Emma Barton and Jamie Borthwick will be running the race in character and filmed as they do so.

Their efforts - or their characters' - will then be part of the Eastenders episode on Monday night.

Make sense? It all feels like a Christopher Nolan film to me...

Third in this field is a good, strong performance from David Weir and he'll now definitely be looking forward towards Paris.

There's lots of learning from him today with sitting on Marcel Hug.

Marcel Hug is the best in the business in wheelchair marathon racing and this great Swiss has done it again.

Image source, Getty Images

Daniel Romanchuk of the USA comes in second and David Weir gets on the podium in third in his 25th consecutive London Marathon.

He gets a big cheer as he crosses the line.

Image source, Getty Images

He's in a class of his own!

Marcel Hug wins this race for a fifth time and the fourth in a row.

Meanwhile, Switzerland's Marcel Hug is closing in on his fourth win in a row as he turns onto The Mall...

You can see the wind on the bridge making it a little bit harder for them. The women are probably running a bit faster than they would want to at this stage.

The pacemakers are struggling to keep up with this rapid time in the women's elite race as they head over Tower Bridge.

They're still well under the women's-only world record time and Paula Radcliffe's women's London Marathon record.

Tigst Assefa is looking strong.

Marcel Hug is taking a breather on the downhill section and he's a long way clear of Daniel Romanchuk in second place. Hug put in such a huge effort coming away from Canary Wharf.

Each of the last three years, he's set a course record but he won't be doing that today.

Much love from, Emma, Jim, James and Sophie xxxx

Ruth and Leon x

Emile Cairess is the leading Briton at this stage. He's running behind a wall of three pace makers in their pink vests to shelter from the wind.

Cairess has spoken about breaking Mo Farah's British marathon record (2:05:11) today.

One to keep an eye on.

This wind could become a factor. You can see some of the trees blowing around and some of the hoardings blowing over.

It is quick. This group is still very much together and pace has slowed a tiny bit going in to the wind. They are still going very quick.

Image source, Reuters

Two-time boxing heavyweight champion Anthony Joshua, speaking to BBC: "People run it for personal gain and for charity. It brings people together and it's a nice time of year. How many people does it bring together? 50,000? Unbelievable."

On the Olympics: "Grassroots boxing, all the amateur boxing going to compete for their countries, it's the best we have to offer. I know what they're going for and they're chasing their dreams."

On Usyk v Fury: "Boxing is changing a lot and Turki Alalshikh is doing it for the fans. If the fans want it then they will deliver. I want Fury. Turki said be ready for September. It's unbelievable right now in the heavyweight division."

On running a marathon: "I might jump in at six miles but I couldn't do what these guys do. What I do is nothing compared to what these are doing, I take my hat off to them."

The great Marcel Hug has made his move at the front of men's wheelchair race.

He was the pre-race favourite and is showing why. David Weir and Daniel Romanchuk have been dropped behind.

It looks like a Swiss double because Catherine Debrunner is still taking these streets entirely on her own in the women's race.

Image source, Getty Images

Another famous face running the London Marathon today is Manchester United owner Sir Jim Ratcliffe.

He has run plenty of these races before but has an extra challenge today.

His football club are playing in an FA Cup semi-final at 15:30 BST.

He's aiming for something under four hours.

It's going to be tight...