Info
| Last name | Sieberg |
| First name | Marcel |
| Nationality |  Germany |
| Date of birth | 30-04-1982 |
| Age | 43 |
| Place of birth | Castrop-Rauxel |
Monuments
| Year | Milano - San Remo | Tour of Flanders | Paris - Roubaix | Liège-Bastogne-Liège | Il Lombardia |
|---|---|---|---|---|---|
| 2021 | - | 99th | DNF | - | - |
| 2019 | 116th | 63rd | DNF | - | - |
| 2018 | 119th | 58th | 39th | - | - |
| 2017 | 165th | DNF | 24th | - | - |
| 2016 | 166th | 43rd | 7th | - | - |
| 2015 | 116th | 62nd | 36th | - | - |
| 2014 | 92nd | - | DNF | - | - |
| 2013 | 91st | DNF | 24th | - | - |
| 2012 | 104th | 67th | DNF | - | - |
| 2011 | 110th | 77th | 57th | - | - |
| 2010 | - | 23rd | DNF | - | - |
| 2009 | - | 49th | 20th | - | - |
| 2008 | - | 70th | DNF | - | - |
| 2007 | - | DNF | 40th | - | - |
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
| 24-09 | 4 |  Delta Profronde (1.1) | |||||
| 21-09 | 2 |  Omloop van het Houtland Lichtervelde (1.1) | |||||
| 11-09 | 5 | Rund um die Nürnberger Altstadt (1.1) | |||||
| Hessen Runfahrt (2.1) | |||||||
| 31-08 | 10 | Stage 1Frankfurt am Main - Klingenberg am Main (192.0km) | |||||
| 23-08 | 6 | GP Stad Zottegem (1.1) | |||||
| 20-08 | 4 | Tour de Rijke (1.1) | |||||
| 07-08 | 2 | Sparkassen Giro Bochum (1.1) | |||||
 Österreich-Rundfahrt (2.1) | |||||||
| 10-07 | 6 | Stage 7Wien - Wien (130.0km) | |||||
| 09-07 | 4 | Stage 6Graz - Podersdorf am See (207.0km) | |||||
| 26-06 | 10 | National Road Championships - Germany (CN) | |||||
| Int. Rheinland-Pfalz Rundfahrt (2.1) | |||||||
| 13-05 | 2 | Stage 3Mainz - Worms (164.0km) | |||||
| 12-05 | 4 | Stage 2Trier - Mainz (197.0km) | |||||
| 01-05 | DNF | Rund um den Henninger Turm (1.HC) | |||||
| Niedersachsen Rundfahrt (2.1) | |||||||
| 23-04 | 18 | Stage 4Herzberg - Göttingen (186.0km) | |||||
| 22-04 | 11 | Stage 3Wolfsburg - Herzberg (151.0km) | |||||
| 21-04 | 11 | Stage 2Burgdorf - Wolfsburg (207.0km) | |||||
| 20-04 | 52 | Stage 1Himmelpforten - Burgdorf (180.0km) | |||||
| 09-04 | 1 | Albert Achterhes Profronde van Drenthe (1.1) | |||||
| 07-04 | 9 | GP Pino Cerami (1.1) | |||||
| 02-04 | 25 | Hel van het Mergelland (1.1) | |||||
| 28-03 | 33 | Rund um Köln (1.1) | |||||
| 16-03 | 23 | Nokere Koerse (1.1) | |||||
Teams
Staff
| Year | Team |
|---|---|
| 2025 |  Tudor Pro Cycling Team U23 |
| 2025 | Tudor Pro Cycling Team |
| 2024 | Tudor Pro Cycling Team |
| 2024 | Tudor Pro Cycling Team U23 |
| 2023 | Tudor Pro Cycling Team |
| 2022 | Team DSM |
| 2022 | Development Team DSM |
| 2022 | Team DSM |
Rider
Victories
| This year | 0 |
| Total | 3 |