The 2012 world motocross championship calendars have been tweaked and updated.

Here is the latest version of the MX1 and MX2 world championships dates:

Rnd 1 – 09 April (Mon) NETHERLANDS Valkenswaard MX3 Women

Rnd 2 – 22 April BULGARIA Sevlievo UEM 125

Rnd 3 – 29 April ITALY Fermo UEM 125

Rnd 4 – 13 May MEXICO Guadalajara

Rnd 5 – 20 May BRAZIL Beto Carrero

Rnd 6 – 03 June FRANCE Saint Jean d’Angely UEM 250

Rnd 7 – 10 June PORTUGAL Agueda UEM 125

Rnd 8 – 17 June TBA Tba UEM 125

Rnd 9 – 01 July SWEDEN Uddevalla UEM 125

Rnd 10 – 15 July LATVIA Kegums UEM 250

Rnd 11 – 22 July RUSSIA Semigorje UEM 250

Rnd 12 – 05 August CZECH REP. Loket UEM 250

Rnd 13 – 19 August GREAT BRITAIN Matterley Basin MX3 Women Veteran UEM 125 UEM 250 UEM 85/65 UEM Amateur

Rnd 14 – 02 September BENELUX (NL) Lierop UEM 250

Rnd 15 – 09 September TBA TBA UEM 125

Rnd 16 – 23 September GERMANY Teutschenthal MX3 Women UEM 250

FIM Motocross Of Nations – 30 September – BELGIUM – Lommel