From TM Wiki

Overdose Cup : http://www.overdosecup.com/
3v3 Origional : http://electronictournaments.mine.nu/et2/index.php
3v3 Sunrise : http://electronictournaments.mine.nu/et1/index.php
5v5 Nations Cup : http://electronictournaments.mine.nu/et3/index.php
5v5 TM Mag : http://ml.dndnetworks.com/
Trackmania Ligue : http://www.trackmania-ligue.com/
International TrackMania Leagues : http://dks.mine.nu/trackmania/index.php

Giant Cup 4 (TMO Edition) : http://electronictournaments.mine.nu/et9/index.php
Giant Cup 4 (TMS Edition) : http://electronictournaments.mine.nu/et10/index.php
Giant Cup 4 (TMN Edition) : http://electronictournaments.mine.nu/et11/index.php

3v3 team league (Season 2) : http://electronictournaments.mine.nu/et1/index.php

To do ...