This proud Scotsman started out as a vet but went on to break the southern stranglehold on racing by becoming the most successful racehorse trainer in Britain.
Mark Johnston News
Monday racing tips for Wolverhampton, Taunton, Plumpton and Stratford
Planet Sport's tipsters have focused on the running at Wolverhampton with a smattering of top selections from the running on Monday, March 13.
Record-breaking trainer Mark Johnston to relinquish licence
The most successful trainer in British racing history, Mark Johnston, is set to relinquish his licence and hand full control of their Middleham yard to son Charlie, although he won't be retiring.
Wednesday's racing tips for Nottingham, Chepstow, Fakenham and Kempton
Meetings at Chepstow, Fakenham, Nottingham and Kempton give the Planet Sport tipsters plenty to sink their teeth into on Wednesday, October 26.
Friday ITV tips: Best bets for Newmarket and Haydock
ITV rocks up to day two of Newmarket's Cambridgeshire meeting and takes a swing at Haydock too, so the Planet Sport tipsters have a selection for each of the seven live races on Friday, September 23.
Thursday’s Newmarket racing tips: Enforced the free and easy pick for Roger Varian
To racing Headquarters on Thursday, June 23 and Planet Sport have picks from all seven races on the July course. Roger Varian sends Enforced down the road in search of a quick win.
Royal Ascot 2022 guide: When is it, times, big races, top horses, trainers, jockeys and more
Royal Ascot is the biggest Flat race meeting in the world, attracting the best horses, runners and of course, royalty. Planet Sport's Jonathan Doidge has all you need to know about the famous event.