Marcel Sieberg

Marcel Sieberg (born 30 April 1982 in Castrop-Rauxel, North Rhine-Westphalia) is a German former road racing cyclist, who last rode for UCI WorldTeam. He turned professional in 2005. He competed in the Tour de France a total of nine times. For the majority of his career, he was one of André Greipel's lead-out men, having been teammates at both (2008–2010) and then later  (2011–2018). In that role he assisted Greipel to over 100 race wins. However, in August 2018 it emerged that the pair would go their separate ways for 2019, with Sieberg signing an initial one-year deal with, taking on a role as a lead-out man for another German sprinter, Phil Bauhaus. He played a role in Bauhaus' stage wins at the 2020 Tour of Saudi Arabia and the 2021 Tour de Hongrie. In June 2021, his team announced that he would retire at the end of the season.

Major results

 * 1998
 * 1st MaillotAlemania.PNG Road race, National Junior Road Championships
 * 1st Stage 2 Critérium Européens des Jeunes


 * 2000
 * 1st MaillotAlemania.PNG Road race, National Junior Road Championships
 * 1st Jersey yellow.svg Overall Trofeo Karlsberg
 * 1st Jersey yellow.svg Overall Driedaagse van Axel
 * 1st Overall Giro di Basilicata
 * 7th Road race, UCI Junior Road World Championships


 * 2001
 * Tour de Berlin
 * 1st Stages 1 & 4
 * 6th Road race, UEC European Under-23 Road Championships


 * 2002
 * 1st Stage 5 Tour de Berlin
 * 9th Overall Le Triptyque des Monts et Châteaux


 * 2003
 * 1st Dortmund-Wellinghofen
 * 5th Eschborn–Frankfurt Under–23


 * 2004
 * 4th Overall Tour of South China Sea
 * 1st Stage 3


 * 2005
 * 1st Ronde van Drenthe
 * 2nd Sparkassen Giro Bochum
 * 2nd Omloop van het Houtland
 * 4th Tour de Rijke
 * 4th Delta Profronde
 * 5th Rund um die Nürnberger Altstadt
 * 6th Omloop der Kempen
 * 6th Grote Prijs Stad Zottegem
 * 7th Ronde van Overijssel
 * 9th Grand Prix Pino Cerami


 * 2006
 * 1st Grote Prijs Jef Scherens
 * 3rd Münsterland Giro
 * 5th Schaal Sels-Merksem
 * 6th Overall Driedaagse van West-Vlaanderen
 * 7th Sparkassen Giro Bochum
 * 10th Overall Four Days of Dunkirk


 * 2007
 * 2nd Kuurne–Brussels–Kuurne
 * 4th Trofeo Cala Millor
 * 4th Münsterland Giro


 * 2008
 * 2nd Profronde van Fryslan
 * 3rd Sparkassen Giro Bochum
 * 7th Neuseen Classics


 * 2009
 * 3rd Trofeo Calvia


 * 2010
 * 5th Omloop Het Nieuwsblad
 * 6th Grand Prix d'Isbergues


 * 2011
 * 7th Grote Prijs Jef Scherens


 * 2013
 * 4th Grote Prijs Jef Scherens
 * 7th Overall Ster ZLM Toer


 * 2014
 * 6th Overall Tour of Qatar


 * 2015
 * 5th Münsterland Giro


 * 2016
 * 3rd Grote Prijs Stad Zottegem
 * 7th Paris–Roubaix


 * 2018
 * 7th Heistse Pijl