In recent years JBH has enjoyed a highly successful career in karting and in 2015 his success continues with the Formula Mazda Series. In 2015 Joseph has achieved 9 race wins and a Second Place from 10 Races with Texas Autosports whilst racing legends and mutli-national champions such as Darryl Wills.
2015 Jun 11-14 Road America WeatherTech® Chicago Region SCCA June Sprints® – Elkhart Lake, WI
- Overall Race Winner – making Formula One NBC Sports commentator Mr David Hobbs a fan, mentioning Joseph in his key-note speech as the Grand Marshall
- Race Result: 1st Place
- Qualifying: 1st Position

(From Left) Joseph Burton-Harris; Randy Owens (Artist); David Hobbs (F1 Commentator); Ian Burton; Thomas Hauert
2015 June 7 Verizon Indycar Series Firestone 600 – Texas Speedway
Moses Smith took Joseph on an inside tour of IndyCar. This was definitely a Career Highlight.
2015 Mar 20-22 SCCA Majors Tour Southeast – Road Atlanta – Atlanta, GA
- Overall Race Winner
- Race 1 Result: 1st Place
- Race 2 Result: 1st Place
- Qualifying: 1st Position
2015 Mar 6-7 NOLA Motorsport Park – SCCA Majors – Mid States Conference
- Overall Race Winner
- Race 1 Result: 1st Place
- Race 2 Result: 1st Place
- Qualifying: 2nd Position
2015 Jan 16-19 Cresson, Texas – SCCA
- Overall Race Winner
- Race 1 Result: 1st Place
- Race 2 Result: 1st Place
- Qualifying: Pole Position