The going was soft today after a night of rain
Torrential downpours greeted racegoers
Gates opened at the Berkshire racecourse at 10:30 on Tuesday 14 June
Tepin won the Queen Anne Stakes and became the first non-European mare to win the opening race
Alex Regan
South Online
We're signing off at Berkshire for today, but you can catch all the latest results from the equestrian fanatics that are BBC Sport.
Rest assured, we'll have plenty more wacky hats, weird facts, and - if the forecast is to be believed - appalling weather from Royal Ascot tomorrow.
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Adam Whitty
BBC Berkshire
If you ever want to hear how much Royal Ascot means to the racing world, look no further than Clive Cox.
The Lambourn-based trainer runs the well fancied 'Profitable' in the 3:40 King's Stand Stakes. He told Ady Williams that the event is "precisely what people come into racing to enjoy."
No need for a wake-up call for him tomorrow, then.
Lambourn-based trainer Clive Cox lauds Royal Ascot as the event all trainers train for.
Sarah Lee
South Online
Rain-soaked racegoers have braved bad weather on the first day of this year's Royal Ascot meeting.
Umbrellas were handed to many of the guests at the event - with others compromising their fancy attire with rain ponchos.
Image source, PAMore than 30mm of rain has fallen at the course since Friday. The ground was officially described as soft after another 4mm of rain fell overnight.
Caravaggio has won the 3.05 Coventry Stakes, he was tracking the leaders, thrust past and gained a considerable lead in the last half of the race.
Image source, BBCSPORTIt's a record eighth win for trainer Aiden O'Brien at Royal Ascot.
Alex Regan
South Online
The Group 2 Coventry Stakes has begun five minutes.
Listen to Berkshire's coverage online, Psychedelic Funk is the BBC's top tip.
Image source, Getty ImagesAt least 200 police, including armed officers, are currently at Royal Ascot.
Image source, PABut earlier this morning, Superintendent Jim Weems from Thames Valley Police said it was normal for sports events like this to be heavily policed.
The equestrian fanatics at BBC Sport are providing race results and analysis throughout the day, here's their latest nugget from the 2.30 Queen Anne Stakes.
Image source, Getty ImagesAlex Regan
South Online
Tepin has won the 2.30 Queen Anne Stakes, it is the first time an American horse has won the first race of Royal Ascot.
This could be a potential upset after The Pacemaker went ahead early in the race.
Kodi Bear, Radio Four's tip, not even in the top-three.
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The rain broke just in time as the Queen arrived, slightly late, at about 14:15 BST for the Royal Procession at Ascot.
Image source, PAHer Majesty was joined by Prince Phillip, Prince Harry, and Prince Andrew the Duke of York in the first carriage.
Image source, PAThe Prince Wales and the Duchess of Cornwall were in the second carriage.
Image source, PAUnsurprisingly, the Today Programme's tips for the day came from Royal Ascot this morning.
The first is the swiftly approaching 2.30 Queen Anne's Stakes, where Radio Four have picked Cody Bear.
The second is Battaash in the 5.35 Windsor Castle Stakes.
Luckily the rain has ceased for the Queen's arrival in the Royal procession.
Minutes before however, the rain was bucketing down on all of Ascot's punters.
It was quite a shock for BBC Radio Berkshire's Tim Dellor and Bill Buckley, who could barely hear themselves over the sound of the pounding rain.
One brolley wasn't anywhere near enough.
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Speculation on what Her Majesty is wearing can be put to rest. It's not salmon pink, it's not blueberry purple, it's yellow. But is it mustard yellow?
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Much to the chagrin of racegoers, the meteorologists were right and rain has been pouring since Royal Ascot opened at 10:00 BST.
The St James's Palace Stakes is the most likely to be dry at 16:20 BST but rain is expected to continue for the Royal Procession at 14:15 BST.
Tim Dellor
BBC Berkshire sport editor
Image source, Getty Images"The gates opened at the very same moment as the heavens. Royal Ascot is planned for every eventuality, so out scurried the umbrella people. The ground is officially soft.
"Clerk of the course Chris Stickles was as bedraggled as the rest of us when he explained 5mm had fallen 30 minutes. It won't please many owners or trainers.
"They are all here for three Group 1 races which get underway at 2.30pm.
"Her Majesty arrives in the royal procession at 2pm. That goes ahead, despite it being muddy work for the four Windsor Greys, pulling her carriage."
Traffic has begun to ease around Royal Ascot after the one-way system was lifted at midday.
Staff at Royal Ascot have said that car parks are also "holding up well".
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Adam Whitty
BBC Berkshire
Royal Ascot is renowned as a place of fabulous fashion and there is no better man to judge it than Gok Wan who has just arrived at the event.
Image source, Rex ImagesThere's one hell of a frame on those glasses Gok.
Alex Regan
South Online
Royal Ascot is a chance for the flamboyant and creative to go wild with weird and wonderful dresses and, most importantly, hats.
But I'm not even sure Liberace's milliner could have created something as garish as this.
One of the most famous sights of Royal Ascot will take place in just under an hour.
The Royal Procession, where the Queen rides past the Ascot Grandstand in a golden chariot, will begin at 1415 BST.
Sports editor Tim Dellor talks us through the route she will be taking.
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