He was recently named to be on the 2016 British Olympic Show Jumping Team with Tic Tac
He began riding at the age of eight. He was educated at Saffron Walden County High School. After finishing school, he trained with Liz Edgar before travelling to Switzerland to further his education with Beat Mandli.
He had success as a young rider, winning Team Gold with the British Young Riders Team at the European Championships in 2004. He is now a regular member for the British team, and has been ranked as high as 5th on the Longines World Rankings.
In 2000 and 2004, he won gold individuals in the Olympics, and a special certificate for contributing in 2008 in Beijing Olympics.
In 2005, CSIO5* Hickstead, Great Britain: Maher won the Hickstead Derby
In 2008, Ben competed at the Olympic Games with Rolette.
In 2010, CSI5*-W s'-Hertogenbosch, The Netherlands: On 26 March, Maher and Wonderboy III took the top spot in the feature class of the opening day. This was the 1.50m Rabobank Prijs.
CSI5*-W London Olympia, Great Britain: Ben and Noctambule Courcelle won the Puissance.
In 2011, CSI5*-W Basel, Switzerland: Oscar took 4th prize in a speed-class.
CSI5*-W Zurich, Switzerland: Maher and Robin Hood W came 2nd in the Rolex FEI World Cup Qualifier.
CSI3* Lummen, Belgium: Tripple X III came 2nd.
CES5* European Championships, Madrid, Spain: The British team of Nick Skelton (Carlo) (1.04/0/0); Guy Williams (Titus) (7.01)/(12)/0; Ben Maher (Tripple X III) (2.76/4/4); and John Whitaker (Peppermill) (5.66/4/8) took Team Bronze. Ben and Tripple X III also took 12th position individually.
CSI5*-W Olympia Horse Show, London, UK: Ben and his home-bred Tripple X III came 1st in the Rolex FEI World Cup.
In 2012, CSI5*-W Basel, Switzerland: Tripple X III won the feature 1m55 class on Friday night.
Won gold medal at the 2012 London Olympics for Great Britain in the Team showjumping.
Maher was appointed Member of the Order of the British Empire (MBE) in the 2013 New Year Honours for services to equestrianism.
In 2013, won team gold and individual silver medals at the European Championships, riding Cella.
Won Olympia London International Horse Show Grand Prix riding Tripple X.
Won the Longines Global Champions Tour Grand Prix of London at Olympic Park with his grey mare Cella.
In 2014, won the $125,000 Grand Prix CSI3* at WEF with Cella.
Won WEF World Cup Qualifier on Cella
Won the €130,000 Grand Prix in Guangzhou, China with Vainquer
Won the Olympia London International Horse Show Grand Prix on Diva II.
In 2015, won World Cup CSI5* at WEF on Diva II
Won Rotterdam Nations Cup on Diva II, with team members Joe Clee/Utamaro D'Ecaussines, Jessica Mendoza/Spirit T, Michael Whitaker/Cassionato
Tied for first with Karim Elzoghby/Amelia at Global Champions Tour Paris Grand Prix
In 2016, won the $500,000 Rolex CSI5* at WEF with Sarena
Won the Beijing World Cup Qualifier on Wavanta
Won the Rome Nations Cup with Tic Tac and teammates Jessica Mendoza/Spirit T, Michael Whitaker/Cassionato, and John Whitaker/Ornellaia
Ben Maher currently has horses under several owners, most notably being Jane Clark, a longtime owner and supporter of international show jumping. Clark owns Sarena, Tic Tac, Aristo Z, and Cella. He also rides Tatiana Korsakova's Diva II, EM Horses' Boomerang, Amy Carr's Sentimiento LS La Silla, Vivien Thompson's Diablo, and Poden Farm's Cliff 67, F One USA, and Untouched.
Maher is an equestrian brand ambassador for Land Rover. He is also sponsored by Selleria Equipe, Equiline Italia, GPA Safety Legend, Veredus, Falcon Equine Feeds, Bucas, MacWest, Parlanti, Jump 4 Joy, and FMBs Therapy Systems.