Adam was the first GB athlete to run sub 10 for 100m and sub 20 for 200m.

6 national titles - 2 senior and four in the age groups

Records ^{as of May 2020}
U20 100m NR - 10.05
4x100m NR - 37.36

Major Championships and International Championships
2022 - World Championships - 200m 4th ht6, 4x100m BRONZE ; Commonwealth Games 200m 4th sf
2019 - World Championships - 100m (3sf), 200m 4th, 4x100m SILVER
2018 - Commonwealth Games - 100m final (DNS). European Championships - 200m 5th, 4x100 GOLD.
2017 - World Championships 4x100 GOLD
2016 - Olympic Games - 200m 4th, 4x100 5th. European Championships - 4x100 GOLD
2014 - Commonwealth Games - 100m SILVER, 4x100m SILVER, European Championships - 200m GOLD, 4x100m GOLD.
2013 - World Championships - 200m 5th. European U23 Championships -100m GOLD, 200m 4th, 4x100m GOLD.
2012- Olympic Games 100m 3rd sf. IAAF World Junior Championships - 100m GOLD.
2011 - European Junior Championships - 100m SILVER, 4x100m SILVER.

Domestic Championships
2022 - British Championships - 200m 5th
2021 - British Championships - 200m Gold.
2019 - British Championships - 100m Silver, 200m Gold.
2018 - British Championships - 200m Silver
2017 - British Championships - 200m Silver
2016 - British Championships - 200m Gold
2014 - British Championships - 200m Silver
2013 - England Athletics U23 Championships 100m gold, 200m gold
2012 - Aviva Olympic Trials & UK Championships 100m silver. Aviva European Indoor Trials & UK Championships 60m 6th sf. England U20 Indoor Championships 60m gold, 200m gold
2011 - Aviva U20 Championships & European Trials 100m silver
2010 - Aviva English Schools Championships 100m silver. Aviva Schools International 100m bronze