This article lists the main modern pentathlon events and their results for 2003.

• August 11 & 12: 2003 Pan American Games in Santo Domingo^[1][2]
  • Individual winners: Vakhtang Iagorashvili (m) / Anita Allen (f)
• December 6 & 7: 2003 Military World Games (CISM) in Catania^[3][4]
  • Individual winners: Enrico dell Amore (m) / Dong Le'an (f)

• July 14: 2003 World Modern Pentathlon Championships in Pesaro^[5][6]
  • Individual winners: Eric Walther (m) / Zsuzsanna Vörös (f)
  • Men's Team Relay winners:  Hungary (Ákos Kállai, Gábor Balogh, & Viktor Horváth)
  • Women's Team Relay winners:  Hungary (Bea Simoka, Zsuzsanna Vörös, & Csilla Füri)
• August 30: 2003 World Youth "A" Modern Pentathlon Championships in León^[7][8]
  • Youth Individual winners: Pavel Sekretev (m) / Aya Medany (f)
  • Youth Men's Team Relay winners:  Egypt (Mena Tadros, Ahmed Samir, & Omar El Geziry)
  • Youth Women's Team Relay winners:  Hungary (Ildiko Hidvegi, Nikola Stefanovits, & Katalin Prill)
• September 9: 2003 World Junior Modern Pentathlon Championships in Athens^[9][10]
  • Junior Individual winners: Mihail Prokopenko (m) / Heather Fell (f)
  • Junior Men's Team Relay winners:  Hungary (Robert Liptak, Ádám Marosi, & Zoltan Halasi)
  • Junior Women's Team Relay winner: Vera Feshchenko

• Note: There seemed to be a discrepancy by the UIPM. Both Budapest and Ústí nad Labem claim to be the European MP host city.
• May 2: 2003 European Modern Pentathlon Championships in Budapest^[11][12]
  • Individual winners: Petr Lébl (m) / Aleksandra Sadovnikova (f)
• May 24 & 25: 2003 NORCECA (Pan American) Modern Pentathlon Championships in Santo Domingo^[13][14]
  • Individual winners: Eli Bremer (m) / Maribel Sanz-Agero (f)
• June 12: 2003 South American Modern Pentathlon Championships in Santiago^[15]
  • Winner: Eduardo Carvalho
• June 12: 2003 European Junior Modern Pentathlon Championships in Ústí nad Labem^[16][17]
  • Junior Individual winners: Mihail Prokopenko (m) / Anastasiya Prokopenko (f)
  • Junior Men's Team Relay winners:  Belarus (Yahor Lapo, Vitali Bavin, & Mihail Prokopenko)
  • Junior Women's Team Relay winners:  Russia (Evdokia Gretchichnikova, Vera Feshschenko, & Tatiana Gorliak)
• August 14: 2003 European Youth "B" Modern Pentathlon Championships in Varna^[18][19]
  • Youth Individual winners: Igor Zenin (m) / Laura Salminen (f)
• August 28: 2003 European Modern Pentathlon Championships in Ústí nad Labem^[20][21]
  • Individual winners: Edvinas Krungolcas (m) / Georgina Harland (f)
  • Men's Team Relay winners:  Hungary (Viktor Horváth, Ákos Kállai, & Sandor Fulep)
  • Women's Team Relay winners:  Hungary (Bea Simoka, Csilla Füri, & Zsuzsanna Vörös)

• March 6: MPWC #1 in Mexico City^[22][23]
  • Individual winners: Edvinas Krungolcas (m) / Claudia Corsini (f)
• April 24: MPWC #2 for Women in Székesfehérvár^[24]
  • Individual winner: Csilla Füri
  • Women's Team Relay winners:  Great Britain (Sian Lewis, Sarah Langridge, & Georgina Harland)
• April 25: MPWC #2 for Men in Berlin^[25]
  • Winner: Andrea Valentini
• May 11: MPWC #3 for Men in Budapest^[26]
  • Winner: Andrejus Zadneprovskis
• June 1: MPWC #3 for Women in Warsaw^[27]
  • Winner: Paulina Boenisz
• June 26: MPWC #4 in Most^[28][29]
  • Individual winners: Michal Sedlecký (m) / Kim Raisner (f)
• December 13 & 14: MPWC #5 (final) in Athens^[30][31]
  • Individual winners: Rustem Sabirkhuzin (m) / Georgina Harland (f)

• Union Internationale de Pentathlon Moderne Website (UIPM)