CHALLANS, France : Reigning champion Lance Armstrong of the United States was given a surprise anti-doping test on the eve of the Tour de France, race sources revealed.
The test was carried out in the afternoon by doctors from the French sports ministry.
Cycling's world governing body UCI decides which riders will undergo spot tests from both blood and urine samples during the three week race.
All 189 riders on the Tour de France were Thursday declared fit to race after blood tests showed no doping.
Armstrong opens his bid for a seventh consecutive crown Saturday in the opening stage, a 19km time trial through western France.
- AFP /ls