document: Cavendish, 30, is looking for more qualification points at the event in Germany from 28-29 August in order to compete for GB in the omnium in Rio.
  Coach co-ordinator Iain Dyer said: "He made a very promising start back on the track in Derby and he'll be looking to continue building on that form."
  Cavendish won the Madison with Bradley Wiggins at the Derby Revolution.
summary: Mark Cavendish will continue his bid to gain a track place at the 2016 Olympics by riding at the Dudenhofen GP.