Mezue ahịrịokwu na-esonụ: Jonathan Martin, onye isi nke BBC Sport, jidere ọrụ Walker maka mkpuchi ụlọ ọrụ nke BTCC mgbe nkwekọrịta nke ikpeazụ a na-agwụ na ha na May 1997. Walker họọrọ ịghara imeghari nkwekọrịta ya na BBC na 1998 iji lekwasị anya na mgbasa ozi ITV na Formula One na ọ chọghị ịgagharị na London ugboro ugboro iji dekọọ nkọwa nke BTCC. Enwere Grand Prix ole na ole n'etiti 1978 na 1996 nke Walker ekwughi mgbe ọ na-arụ ọrụ na BBC, na-abụkarị n'ihi nkọwa ya n'ebe ọzọ. Ụfọdụ n'ime ndị a gụnyere 1979 Belgian Grand Prix na 1988 Hungarian Grand Prix (mgbe Simon Taylor nọchitere ya), German Grand Prix nke 1981 na 1984 (nke Barrie Gill kwuru banyere ha abụọ), na
1985 German Grand Prix (Tony Jardine).