Born into a racing family
"The rule was if you get off him, you're not allowed back on, so I would sit there all day. I would even fall asleep on him and can remember going everywhere with him, even my gran's kitchen," Frost told BBC Sport.
Nicholls sees Frost's potential
"I told her to come as late as you can. Three over the last, the commentator was writing off Polisky and she whipped up the inner. Came to the last, gave him one belt and he won four lengths. Brilliant. Nearly the ride of the season," Nicholls told The Spectator.
Waiting for Frost were her delirious father and brother as the 21-year-old announced herself to the jumps racing elite. "I was impressed but not surprised because I knew she was that good," Hadden Frost told the Frost Racing Club.
Bryony Frost turns professional
She won at Kempton on the Neil King-trained Marienstar and afterwards told the Racing Post: "Crikey, I'm a professional now, I've flown the nest and I'm not quite sure what to think…
The Ryanair Chase Cheltenham Festival win
Frost was visibly emotional after becoming the first woman to win a Grade One race at the Cheltenham Festival. "That minute where he got overtaken two out, most horses would quit. But no, he grabbed me by the hands and said, 'Don't you dare give up. Don't you dare not send me into the last. I want this more than you, now come on! Where are you?" she told The Guardian.
Winning the King George VI Chase
"And it's Frodon, he's got many of them working in behind now," said the Racing TV commentary as Frost led from the front and had the rest straggling with a superb display of jumping.
"With a horse like him, anything is possible," Frost told Racing TV as the magnitude of becoming the leading British female jumps jockey of all time sank in.
"I won't be concentrating on the fact it's one of the biggest races I could ever ride in," she told the Racing Post. "I'll be concentrating on the fact it's three and a quarter miles around Cheltenham, a track where Frodon has produced some of his best performances."
"Horses run and jump for her. If she is lucky and stays in one piece she will be as good as any girl who has ever ridden," said master trainer Nicholls told BBC Sport.
A spat in the weighing-room
"It's a difficult topic at the minute, because there are ongoing things that need to be sorted out and there is protection that needs to be given to others," Frost told The Guardian. "So at the moment I can't go too much into it. But it's something I'm going to be trying extremely hard to make better and move forward in a positive way. But at the minute my hands are tied as to how much I can go into such things."