A little delay to this final 200m heat.

Noah Lyles looks to have a bit of an issue with the number on his jersey.

It's all sorted now and the runners take their spot on the blocks...

Harry Poole
BBC Sport in Paris

Back again, so soon?

Returning to action less than 24 hours after he won the Olympic 100m title by five-thousandths of a second from Jamaica's Kishane Thompson in a dramatic photo finish, Noah Lyles is here.

In pursuit of a golden sprint double, before targeting a treble - and possibly even a quadruple - when the relays get under way, the American is announced on the start line inside the Stade de France to an incredible noise as the crowd welcome the newly crowned 100m king.

A big grin, and a wave to all corners of the stadium. Ready for more.

Image source, Getty Images

It's all starting to pick up now as the 12 athletes in the women's discus final are being introduced to the crowd at the Stade de France.

American Valarie Allman won gold in 2020 but China's Bin Feng, a bronze medallist at the world championships, is expected to push her.

Croatia's Sandra Elkasevic is a two-time Olympic gold medallist and could also be in the mix.

Image source, Getty Images

The GB trio are crowned Olympic champions with the gold medals placed around their necks before the national anthem sounds around the velodrome.

What a moment for Sophie Capewell. She said in her post-race interview she wished her dad, who passed away in 2021, could have seen their winning performance.

Her father, Nigel Capewell, competed for Great Britain's cycling team in the 1996 and 2000 Paralympic Games.

Noah Lyles is back at the Stade de France less than 24 hours after he won 100m gold by five-thousandths of a second.

The American took bronze in the 200m at Tokyo 2020 with Canada's Andre de Grasse, who is also in this sixth heat, claiming gold.

De Grasse is Canada’s most decorated male Olympian with six medals to his name.

Who wins this heat?

Thumbs up for Lyles or thumbs down for De Grasse.

BBC Sport

Image source, Getty Images

The women's track cycling sprint team have won gold, with a new world record as the cherry on top. They spoke to BBC Sport.

Katy Marchant: "I have no words. Phenomenal, Literally incredible."

Emma Finucane: "Honestly we’ve been working really hard on this and you will hear this a lot from us but the process is really key.

"We nailed that final and I believed in us before we went up to do it but to execute lap one, lap two and lap three pretty much perfectly and then to cross the line first, I was like ‘no way’.

"It's just a dream come true and to have these two by my side is unreal."

Sophie Capewell: "The support, the journey to get here, I’ve had my own personal battles and I wish my dad could have been in the stands watching me, but I know he was proud of me.

"It didn’t feel real all day, we just did every ride and 'oh faster, oh faster again'.

"Like Emma said – we stuck to our process."

Pure joy on the face of Katy Marchant, centre, here. That was an emotional victory for GB's women.

Image source, Getty Images

Erriyon Knighton of the USA wins in a time of 19.99 seconds.

He'll be joined in the semi-finals by Tapiwanashe Makarawu of Zimbabwe and South Africa's Shaun Maswanganyi.

One more heat to come.

Sir Chris Hoy
Six-time Olympic cycling champion on BBC TV

After the Becky James and Victoria Pendleton era the women's sprint squad was almost in the wilderness for a while.

Carly McCulloch came on board and turned things around, and Scott Pollock now at the helm, and this team has such a bright future.

The penultimate heat and France's Pablo Mateo gets the kind of reception you'd expect from a packed Stade de France.

Andrew: GOLD!! Incredible power from the Team GB trio. The perfect start to the scheduled programme inside the velodrome.

Image source, Getty Images

Sir Chris Hoy
Six-time Olympic cycling champion on BBC TV

A lot of composure in a team event like the sprint comes from the trust you have in your teammates to do their own jobs. There was complete trust between them, so each one of them could just focus on themselves.

This team are so young. I know Katy [Marchant] has been to a few Games before but Emma Finucane, she was so composed, as was Sophie [Capewell] too. So pleased for them, it was an amazing performance and what a way to kick off the track campaign.

Victoria Pendleton
Olympic cycling gold medalist on BBC Radio 5 Live

On what it is like to stand on the medal podium...

It's everything you've ever dreamed of.

It's basically your dream coming true in that one moment.

These heats are getting quicker and quicker.

Kenny Bednarek wins in a time of 19.96 seconds and looked like he had another couple of gears.

Alexander Ogando form the Dominican Republic is second with Germany's Joshua Hartmann third.

Tom Brown
BBC Sport Wales in Paris

On the first day of her first Olympics, she is an Olympic champion.

And in three races, she helps Great Britain break three world records.

Emma Finucane is only the seventh Welsh woman in history to win an Olympic gold.

What a day for her and her teammates.

We were expecting to see Team GB's Zharnell Hughes in heat four but he has withdrawn due to a hamstring issue.

American Kenny Bednarek is another of those to have been involved in last night's 100m final - finishing seventh in a time of 9.88 seconds!

Sir Chris Hoy
Six-time Olympic cycling champion on BBC TV

It was the perfect performance. They were under so much pressure from the very first round, there was only four hundredths of a second difference.

The pushed that out of their minds, each rider had their individual jobs to focus on. To do that under those circumstances, it was a champion's performance.

Letsile Tebogo stumbled out of the blocks but put his foot down and makes it look so easy.

He was almost walking when he crossed the line in 20.10 seconds - that's the quickest time of the heats so far.

Zimbabwe's Makanakaishe Charamba is second with Italy's Filippo Tortu third.

South Africa's Benjamin Richardson pulled up with what looked to be a hamstring injury.

The very first medal on the track at Paris 2024 goes to Great Britain.

Here's how they did it....

Joe Gibney: Dame Laura Kenny's prediction of a potential 8 Team GB track golds may not be as wildly optimistic as some think.

Ian Graves: Brilliant by the Women's team sprint team. Many more to come I think.