Kenya's Kelvin Kiptum runs second-fastest marathon to win men's race in course best 2:01.25
Briton Emile Cairess sixth on debut as Mo Farah finishes ninth in his last London Marathon
Dutch debutant Sifan Hassan overcomes injury before sprinting to thrilling women's victory in 2:18.33
Swiss Marcel Hug wins men's wheelchair race in course record 1:23.48 with David Weir fifth; Australian Madison de Rozario wins women's race
73 Guinness world record attempts as record field of almost 49,000 take part
Men's elite race
Steve Cram
Marathon commentator on BBC TV
It is still an incredible performance and one of the greatest we have seen on this course, the fastest we have seen on this course.
We have never seen anything like this before on the streets of London and Kelvin Kiptum has put in the performance of his life. He blew the field apart.
Men's elite race
Kelvin Kiptum winsin the second fastest time marathon in history!
He collapses to the ground after crossing the finish line.
Men's elite race
Two turns remain.
I don't think Kelvin Kiptum is going to break the world record but he's going to win this by a distance.
Men's elite race
Kiptum digs deep.
600m to go.
Steve Cram
Marathon commentator on BBC TV
If he holds this pace, he will have run his second half marathon in under an hour.
This is remarkable. And he is not slowing down!
Men's elite race
I said this race would have to go some to beat the women's. We could be about to see the world record go!
Kelvin Kiptum has left Big Ben behind him.
He's got less than three minutes to get to the line. The course record will go, no question.
Paula Radcliffe
Former women's marathon world record holder on BBC TV
I hope he knows how well he is going. The car ahead of him will be showing the time of his final mile and the cumulative time, so hopefully he is aware.
He is sprinting already. Can he do it?
Steve Cram
Marathon commentator on BBC TV
Kelvin Kiptum is going to get very close to Eliud Kipchoge's world record here.
Men's elite race
Steve Cram is getting excited.
He thinks Kiptum has an eye on Eluid Kipchoge's world record here.
2hrs 1min 9secs is the time to beat.
Kiptum has about four minutes to do the last mile.
Men's elite race
Andrew Cotter
BBC athletics commentator at the London Marathon
Emile Cairess came here with high hopes and he has just got to hold it together now in the closing kilometres.
Mo Farah is quite a long way behind him and slowing all the time but the crowd is still roaring for him, and thanking him for all he has given us over the years.
Kelvin Kiptum is out ahead and still moving very quickly.
Men's elite race
Well, how do we top that? This men's race is going to have to go some.
Kenya's Kelvin Kiptum is charging out on his own, leaving defending champion Amos Kipruto and world champion Tamirat Tola well behind him.
This is another special effort.
Women's elite race
Samantha Harrison dips in just under two hours 26 minutes - one of the fastest British marathon times of all time by a female.
She's smashed her personal best.
A great run. She's in tears on the finish line.
Women's elite race
Andrew Cotter
BBC athletics commentator at the London Marathon
She just defies convention. She hasn't run that in a "normal" way and that's why it is the greatest marathon win that I have seen because of the way she did it.
Two World Championship golds and two Olympic golds on the track, but that is the best win of her life.
Women's elite race
Paula Radcliffe
Former women's marathon world record holder on BBC TV
Hassan has put a smile on people's faces. A lot of people were rooting for her.
Even when Steve Cram was calling for her to drop out when she was struggling early on, she'll say "No, I hung in there".
She just loves racing.
#bbcmarathon
Peter Barlow: That was phenomenal from Sifan Hassan! What a finish on her marathon debut, just wonderful to watch
Owen Williams: Well! What an outstanding run by Sifan Hassan! I had written her off in the early stages! Hung in there, ran her own race and just showed her class!
PJM: Incredible by Hassan
Women's elite race
Image source, Getty Images"I don't have any time in my mind, my goal is to just meet the marathon. I want to learn.
"I decided last year I wanted a new challenge, and so I said OK, I'll do a marathon.
"I don't really want to move from track but I want to see what I can do."
Those were Sifan Hassan's words beforehand. She is a track runner.
She's only gone and won a race between the greatest women's field ever ensembled.
Women's elite race
Paula Radcliffe
Former women's marathon world record holder on BBC TV
It's not just winning it, it's the way she was out of contention and yet she fought back to beat the Olympic champion, the defending champion.
To outkick them is remarkable, and look at her reaction - she cannot believe it.
We weren't even looking at the speeds because we were so caught up in the race.
She is an inspiration and that is just phenomenal, especially that she trained through Ramadan as well.
Women's elite race
Steve Cram
Marathon commentator on BBC TV
In her debut marathon! She has taken on the toughest race, the longest of her life, and that is just absolutely brilliant.
Sifan Hassan has done something that nobody could ever have expected. She was struggling, she was grabbing her hip, stopping to stretch it off.
She would have been dreaming of just finishing. She can hardly believe it, this might just be the best success of her life.
Women's elite race
Extraordinary!
Sifan Hassan has won on her marathon debut.
She pulled up injured in the early stages but has taken it with her arms wide in a sprint finish.
Sifan Hassan kicks for home!!