12th August 1984 (39)
Geert-Jan Jonkman is a 39 year old cyclist from Netherlands (born August 12th 1984).
2013 2012 2011 2010 2009 2008 2007 2006 2004 2003 2001
All | Flat | UCI? |
Date | Pos | GC | Race | ||
---|---|---|---|---|---|
21.04 | 88 | Ronde v.Noord-Holland | 1.2 | Show more | ||
09.03 | 4 | Ronde van Zuid-Holland | NE | Show more | ||
03.01 | 10 |
6-Daagse van Rotterdam Track | Six-day Racing | Madison |