Marston among those celebrating on Thursday

Bill Watts 75
Trainer of Waterloo & Teleprompter

Jens Hirschberger 48
Trainer of Adlerflug & Wiener Walzer

Ann Potts 69
Joint-owner of Sizing Europe & Sizing John

Warren Marston 46
Rider of Indefence & Nahthen Lad

Tommy Barnes 87
Rider of Raes Gill & Wyndburgh

Gareth Charles-Jones 56
Rider of Ten Of Spades & Newlar

Eugene Husband 44
Rider of Divertimiento & Manhattan Castle

Jim Allen 44
Former Arena Racing Company director of racing

Jonathan Garratt 48
Managing director of Cartmel

Grace Muir 52
Founder & chief executive of Heros

Sean O’Connor 49
Chief executive of The Racing Centre, Newmarket

Natalia Gemelova 37
Former Flat jockey

Rebecca Marriott 36
Owner with Mark Tompkins

Graham Goode 68
Former ITV & Channel 4 commentator