- Audax Club Parisien official web site: http://www.audax-club-parisien.com
- Paris-Brest-Paris 2011 official web site: http://www.paris-brest-paris.org
- The ACP representative for Slovenia is Mr. Marko Baloh. Its Mr. Baloh’s merit for founding of the Randonneurs Croatie. Official web site of the Randonneur Slovenia is: http://www.markobaloh.com
- At the web site of the Ultra Marathon Cycling Association there are a lot of useful information on training, nutrition, equipment and everything else relevant for ultra cycling rides: http://www.ultracycling.com
