https://thepiratebay.org/torrent/22141616/2018.AMA.Pro.Motocross.Rd.01.Hangtown.1st.Motos.720p.WEBRip.x264
https://thepiratebay.org/torrent/22142902/2018.AMA.Pro.Motocross.Rd.01.Hangtown.2nd.Motos.720p.WEBRip.x264
Use a vpn to gain access to it if you live outside UK and other censored countries.