He represented Great Britain at the 2016 Rio Paralympics as a sighted pilot for visually impaired cyclist Stephen Bate, with whom he was paired in January 2014.

[11] At the 2020 Tokyo Paralympics, Duggleby and Bate won silver in the men's individual pursuit B.

[12] 2000 2nd Under 16 British Circuit Race Championships, British National Circuit Race Championships 2001 1st George Herbert Stancer 10 Mile Time Trial Championship 1st Junior 10 Mile Time Trial Championship 2002 1st Junior 10 Mile Time Trial Championship 2009 1st British National Team Time Trial, Shorter Rochford R.T., Team: Charles McCulloch, Mark Holton, Adam Duggleby 2011 1st British National Team Time Trial, ScienceinSport.com, Team: Alistair Rutherford, Alexander Royle, Adam Duggleby 2nd 20 km Scratch Race, British National Track Championships[13] 2012 1st 20 km Scratch Race, British National Track Championships[14] 2013 1st British National Team Pursuit, British National Track Championships 2015 2nd, Road Race, UCI Para-cycling Road World Cup, Maniago[15] 3rd, Time Trial, UCI Para-cycling Road World Cup, Maniago[15] 1st, Time Trial, UCI Para-cycling Road World Cup, Pietermaritzburg[15] 2016 3rd, Time Trial, UCI Para-cycling Road World Cup, Ostend[15] Gold, Individual Pursuit B, 2016 Summer Paralympics, Rio de Janeiro[16] Gold, Time Trial, 2016 Summer Paralympics, Rio de Janeiro[17] Bronze, Road Race, 2016 Summer Paralympics, Rio de Janeiro[18] 2017 2nd, Time Trial, UCI Para-cycling Road World Championships, South Africa[19] Winner British Best All-Rounder Time Trial Competition[8] 2018 Gold, UCI Para-cycling Track World Championships – Men's individual pursuit B, Rio de Janeiro, Brazil[20] Gold, UCI Para-cycling Road World Championships - Men's individual Time Trial B, Maniago Italy[21] 1st, UCI Para-cycling Road World Cup - Men's individual Time Trial B, Baie Comeau, Canada[22] 3rd CTT National 50 Mile Time Trial[23] 3rd CTT National 100 Mile Time Trial[24] 1st CTT National 12 Hour Time Trial[25] 2nd British Best All-Rounder Time Trial Competition[26] 2019 2nd, UCI Para-cycling Road World Cup - Men's individual Time Trial B, Baie Comeau, Canada[27] Silver, UCI Para-cycling Road World Championships - Men's individual Time Trial B, Emmen, Netherlands[28] 3rd CTT National 10 Mile Time Trial[29] 2020 Silver, UCI Para-cycling Track World Championships – Men's individual pursuit B, Milton, Canada[28] 3rd CTT National 100 Mile Time Trial[30] 2021 Gold, UCI Para-cycling Road World Championships - Men's individual Time Trial B, Cascais, Portugal[11] In September 2016, Duggleby and Bate won three medals at the 2016 Summer Paralympics in Rio de Janeiro.

[32] Finally, on 17 September, Duggleby and Bate won a bronze medal in the Men's individual Road Race B.

[33] Duggleby was appointed Member of the Order of the British Empire (MBE) in the 2017 New Year Honours for services to cycling.