The women's road race was centre of attention throughout much of yesterday, with Great Britain hopeful Lizzie Armistead favourite to bring home the gold despite the drug controversy heading into the event.
However, it sadly ended on a sour note when the race leader Annemiek van Vleuten suffered a nasty crash going round one of the corners.
Van Vleuten was leading the pack and was seemingly cycling her way to an Olympic gold medal, but sadly for her, during the final descent, she was sent crashing into a curb which resulted in her falling over her handlebars and landing awkwardly on her back.
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It was a nasty looking crash, and due to it, the Dutch cyclist suffered a nasty concussion and also three fractured vertebrae.
Following the incident, Van Vleuten was quickly rushed to a local hospital where she was in intensive care for the majority of the evening.
However, she has sent out a tweet on her official Twitter account confirming that she feels fine.
She posted: 'Thanks for all the messages! Congrats to @AnnavdBreggen! We were a super strong team today with @ellenvdijk and @marianne_vos.
'I am now in the hospital with some injuries and fractures, but will be fine. Most of all super disappointed after best race of my career.'
The crash came on the final descent, and it was on a corner which has caused mayhem before at this Olympics.
The leader of the men's race on Saturday also crashed on this corner, suffering a broken collarbone in the process. Not only that, another cyclist broke their shoulder blade on the same section during the penultimate descent.
After the race and the horrific crash, BBC analyst Chris Boardman vented his frustrations at the track and insisted that it was 'too dangerous'.
"I'm actually quite angry because I looked at the road furniture and thought nobody can crash here and get up,” he said. “This was way past technical, this was dangerous."
This is Van Vleuten's second nasty crash in as many years, as back in 2015, she suffered multiple fractures and a collapsed lung following a collision with a car whilst training in Italy.