 Pari gbolohun ti o tẹle: Thomson gba GB Cap akọkọ rẹ ni ọdun 2004 gẹgẹbi Junior, ti o ṣe aṣoju Ilu Gẹẹsi ni Awọn idije ikọlu Ilu Yuroopu ni Junior Mens 50M Rifle Prone nibiti o ti gbe 29th. Ní ọdún 2006 ó gba ife ẹyẹ 50M Junior Mens Rifle Prone event ní : 2006 World Shooting Championships, tí ó sọ ọ di Olùdíje Àgbáyé fún Àwọn Ọdọ Ọkùnrin. O tun jẹ apakan ti Ẹgbẹ Ọkunrin Ọdọmọkunrin ti o ni itara ti o gba Epo Ẹgbẹ Ọdọmọkunrin akọkọ ti Ilu Gẹẹsi ni ọdun 24. Lẹyìn ọdún náà, ó di aṣégbá British Universities Long Range ní 2006 BUSA Smallbore Rifle Championships. 