Schools in Denmark have participated in PetroChallenge since 2003.

The winners have been:

• 2011: Team Oildivers - Nicolai Liborius Birkholm, Rasmus Ellegaard Jørgensen and Kim Jordemann Hansen - from Svendborg Tekniske Gymnasium - went on to win PetroChallenge International 2011 
• 2010: Daniel Lundberg Pedersen, Christoffer Boesen,Bjarke K. Rasmussen,Mohammed Kassem - from CELF HTX - went on to win PetroChallenge International 2010
  
• 2009: Svend20 - Magnus F. Asmusssen, Mathias Pommerencke, and Rasmus L. Henriksen from Svendborg - from Svendborg Tekniske Gymnasium
• 2008: (details coming up)
  
• 2007: (details coming up)
• 2006: The Mighty Vikings - Søren Lomholt, Jacob Holmgaard Rasmussen, Hans Henrik Riber from Esbjerg Statskole (now called Rybners) - went on to win PetroChallenge International 2006
• 2005: Team 100 - Demet Karatas and Jean-Pierre Bertram from Avedøre Gymnasium
• 2004: (details coming up)
• 2003: (details coming up)

A more detailed historic account is being compiled.

In 2011, the following schools participated:

• Aalborg Katedralskole
• A. P. Møller Skolen
• Bornholms Erhversgymnasium
• Bornholms Gymnasium
• CELF, HTX, Nykøbing F
• Dronninglund Gymnasium
• Espergærde Gymnasium
• Hjørring Gymnasium
• Høje-Taastrup Gymnasium
• Københavns Åbne Gymnasium
• Køge Gymnasium
• Lyngby HTX
• Nordsjællends Grundskole & Gymnasium & HF
• Nykøbing Katedralskole
• Odense Tekniske Gymnasium
• Rybners Gymnasium HTX
• Sankt Annæ Gymnasium
• Silkeborg Gymnasium
• Svendborg tekniske Gymnasium
• Tårnby Gymnasium & HF
• Viborg Gymnasium & HF
• Viborg Katedralskole
• Øregård Gymnasium
• Århus Statsgymnasium
• Oregard Gymnasium