National Tandem Records:
10 Mile Time Trial: 17min 6sec (Stoker, Steve Bate MBE)
25 Mile Time Trial: 43min 23sec
50 Mile Time Trial: 1hr 28min 23sec
100 Mile Time Trial: 3hr 17min 51sec (Stoker, Darren Yarwood)
4km Pursuit: 4min 2.497sec
Individual Bicycle Personal Bests:
10 Mile Time Trial: 17min 59sec
25 Mile Time Trial: 46min 04sec
50 Mile Time Trial: 1hr 34min 44sec
100 Mile Time Trial: 3hr 16min 51sec (Previous National Time Trial Record)
12 Hour Time Trial: 321.466 miles (Previous National Time Trial Record)
4km Pursuit: 4min 34.709 sec
National 10 Mile Trike Record 19min 30sec
2023
Gold CTT National 50 Mile Time Trial Championship
Gold CTT National 100 Mile Time Trial Championship
Gold CTT National 100 Mile Time Trial Team Medal (Team: Addform – Vive le Velo, John Brearley, David Brearley)
Silver CTT National 25 Mile Time Trial Championship
Bronze UCI World Tandem B Paracycling Time Trial, Huntsville, USA (Stoker, Chris McDonald)
2022
Bronze UCI World Tandem B Paracycling Time Trial, Elzach, Germany (Stoker, Chris McDonald)
6th Mallorca 312 Sportive
2021
Gold UCI World Tandem B Paracycling Time Trial, Estoril, Portugal
Silver, Individual Pursuit BVI, 2020 Summer Paralympics, Tokyo
Silver CTT National 100 Mile Time Trial Championship
2020
Bronze CTT National 100 Mile Time Trial Championship
Silver UCI World 4km Tandem B Paracycling Track Championships, Emmen, Netherlands
2019
Bronze CTT National 10 Mile Time Trial Championship
Silver, UCI Para-cycling Road World Cup BVI Time Trial, Baie-Comeau, Canada
2018
Gold UCI World Tandem B Paracycling Time Trial, Maniago, Italy.
Gold UCI World 4km Tandem B Paracycling Track Championships Rio de Janerio.
2nd CTT British Best All-Rounder Championship
Gold CTT National 12 hour Time Trial Championship
Bronze CTT National 100 Mile Time Trial Championship
Bronze CTT National 50 Mile Time Trial Championship
2017
CTT British Best All-Rounder Winner and Record (317.343 12hr, 3:16:51 100miles and 1:36:20 50miles, Average 29.346mph)
Silver, UCI Para-cycling Road World Championships BVI Time Trial, Pietermaritzburg
1st UCI Para-cycling Road World Cup BVI Time Trial, Maniago, Italy
2016
Gold, Individual Pursuit BVI, 2016 Summer Paralympics, Rio de Janeiro
Gold, Time Trial BVI, 2016 Summer Paralympics, Rio de Janeiro
Bronze, Road Race BVI, 2016 Summer Paralympics, Rio de Janeiro
3rd, Time Trial BVI, UCI Para-cycling Road World Cup, Ostend
2015
2nd, Road Race, UCI Para-cycling Road World Cup, Maniago
3rd, Time Trial, UCI Para-cycling Road World Cup, Maniago
1st, Time Trial, UCI Para-cycling Road World Cup, Pietermaritzburg
2013
1st British National Team Pursuit, British National Track Championships
2012
1st 20 km Scratch Race, British National Track Championships
2011
1st CTT British National Team Time Trial, ScienceinSport.com, Team: Alistair Rutherford, Alexander Royle, Adam Duggleby
2nd 20 km Scratch Race, British National Track Championships
2009
1st CTT British National Team Time Trial, Shorter Rochford R.T., Team: Charles McCulloch, Mark Holton, Adam Duggleby
2002
1st CTT Junior 10 Mile Time Trial Championship
2001
1st CTT George Herbert Stancer 10 Mile Time Trial Championship
1st CTT Junior 10 Mile Time Trial Championship
2000
2nd CTT George Herbert Stancer 10 Mile Time Trial Championship
2nd Under 16 British Circuit Race Championships, British National Circuit Race Championships