Postpublished at 21:00 British Summer Time 27 August 2023
The British team are now celebrating with their flag over of their shoulders.
Well done, Laviai Nielsen, Amber Anning, Ama Pipi and Nicole Yeargin.
Summary
Great Britain finish with 10 medals in Hungary - their joint-best ever total - and come seventh in medal table
GB's Keely Hodgkinson wins 800m silver behind Kenya's Mary Moraa, with Jemma Reekie fifth
GB women and men win 4x400m relay bronze medals
GB's Morgan Lake finishes fourth in women's high jump medal
Femke Bol leads Netherlands to women's 4x400m gold with incredible late surge
Norway's Jakob Ingebrigtsen defends men's 5,000m title in thrilling finish
Postpublished at 21:00 British Summer Time 27 August 2023
Un-Bol-ievablepublished at 20:59 British Summer Time 27 August 2023
Harry Poole
BBC Sport in BudapestWhat a story to close this World Championships.
Femke Bol suffered heartbreak in the most dramatic fashion on the very first day in Budapest
She ends the final day with her second gold medal, bringing that relay back for the Netherlands with a sensational lap to bring the curtain down on a wonderful nine days here.
The crowd are absolutely delighted for Bol. The whole stadium rose to their feet to roar her over the line.
I don't know about you, but I need a lie down after all that.
Image source, Getty ImagesPostpublished at 20:58 British Summer Time 27 August 2023
Here's a reminder of the heartbreak for Femke Bol on the opening night of these championships.
What a sensational way to put that behind her.
Media caption, World Athletics Championships 2023: Great Britain win silver in 4x400m mixed relay
'Fantastic performance from Great Britain'published at 20:57 British Summer Time 27 August 2023
Women's 4x400m relay final
Colin Jackson
Two-time world 110m hurdles champion on BBC TVFantastic performance from Great Britain. To stay in the mix all the way through, to be competitive and get in there for the medal, really great performance by them but these Dutch women were phenomenal.
Image source, Getty Imagesbronze medal Bronze medal - Great Britainpublished at 20:55 British Summer Time 27 August 2023
Women's 4x400m relay final
Great Britain finish these championships with 10 medals.
They can't catch the Jamaicans and can do nothing to stop Femke Bol powering around the outside.
silver medal Silver medal - Jamaicapublished at 20:54 British Summer Time 27 August 2023
Women's 4x400m relay final
gold-medal Gold medal - Netherlandspublished at 20:54 British Summer Time 27 August 2023
Women's 4x400m relay final
Femke Bol, that is sensational!
She looks like she's jet-powered on the home straight as she comes through to win.
The championships started with her agonisingly falling on the line as she went for mixed relay glory. She ends it by dragging her team to gold.
Media caption, World Athletics Championships 2023: Netherlands wins gold in the 4x400m relay final
Postpublished at 20:54 British Summer Time 27 August 2023
Women's 4x400m relay final
Can Nicole Yeargin pull in the Jamaicans?!
Femke Bol is coming behind...
GB in secondpublished at 20:53 British Summer Time 27 August 2023
Women's 4x400m relay final
It's Jamaica one, GB two and then a gap to the Femke Bol's Dutch in third at the start of the final leg.
GB in top threepublished at 20:53 British Summer Time 27 August 2023
Women's 4x400m relay final
The Dutch look dangerous with Femke Bol to come.
It's tight between the front three with GB in there.
Postpublished at 20:52 British Summer Time 27 August 2023
Women's 4x400m relay final
Jamaica are going well. Laviai Nielsen finish the first leg strongly for Great Britain. They're probably second...
get involved Get Involvedpublished at 20:51 British Summer Time 27 August 2023
Tweet #bbcathletics via WhatsApp on 03301231826 or text 81111 (UK only, standard message rates apply)
bowlinggaz: Laviai Nielsen was great in qualifying. More of the same please!
For the last time...published at 20:51 British Summer Time 27 August 2023
Women's 4x400m relay final
Can Great Britain finish with one more medal, possibly a gold?
Laviai Nielsen sets off on the first leg as this 4x400m relay final gets under way.
'GB will take this opportunity'published at 20:48 British Summer Time 27 August 2023
Women's 4x400m relay final
Dame Denise Lewis
Athens 2000 Olympic heptathlon gold medallist on BBC TVYou can imagine Laviai Nielsen has given these women a pep talk. They know what's at stake. They know there's an opportunity at these championships and they will take it.
Postpublished at 20:47 British Summer Time 27 August 2023
Women's 4x400m relay final
Ireland are in this one too and the Netherlands.
Of course Femke Bol is running for the Dutch.
I've seen her more than close members of my family this week.
Postpublished at 20:46 British Summer Time 27 August 2023
Women's 4x400m relay final
Now for the final track event of these championships...
Laviai Nielsen, Amber Anning, Ama Pipi, Nicole Yeargin in the women's 4x400m final for Great Britain.
USA went out in the semi-final with a disqualification. This is wide open and Great Britain have a real shot.
'Mitcham has run so well'published at 20:45 British Summer Time 27 August 2023
Men's 4x400m relay final
Dame Denise Lewis
Athens 2000 Olympic heptathlon gold medallist on BBC TVRio Mitcham has run so well at these championships and to keep his form, to stay composed. He has not really felt this kind of pressure before from such an amazing athlete and I think he did fabulously well.
bronze medal Bronze medal - Great Britainpublished at 20:40 British Summer Time 27 August 2023
Men's 4x400m relay final
What an effort that is!
Rio Mitcham has the world champion from the individual event Antonio Watson on his shoulder down the home straight but he manages to hold him off and even threaten silver.
Superb running and an ninth medal for Great Britain at these championships.
Media caption, World Athletics Championships 2023: GB win bronze as USA strike gold
silver medal Silver medal - Francepublished at 20:40 British Summer Time 27 August 2023
Men's 4x400m relay final
gold-medal Gold medal - USApublished at 20:40 British Summer Time 27 August 2023
Men's 4x400m relay final
In a class of their own...
Image source, Getty Images