The police were called to the stretch between Godegård and Zinkgruvan after someone poured dirt on the road. The Vätternrundan is taking place on Saturday, and by 9 a.m. about ten cyclists had suffered punctures.
The organizer sent a garbage truck to remove a small nail, and a report of vandalism has been filed.
The 315-kilometer cycling race around Lake Vättern takes place on Saturday.
