Marc Lotz
Marc Lotz is a Dutch former racing cyclist. In July 2005 Lotz was suspended from for two years due to admitting to using erythropoietin, a performance-enhancing drug. Lotz reportedly took the substance to help him at the 2005 Tour de France, which he never ended up riding.
Major results
;1994;1996
;1997
;2001
;2002
;2003
;2004
;2005
Grand Tour general classification results timeline
| Grand Tour | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 |
| Giro d'Italia | — | — | — | — | 70 | — | — |
| Tour de France | — | 72 | 56 | 93 | — | DNF | 90 |
| Vuelta a España | 103 | — | — | 100 | — | — | — |
| DSQ | Disqualified |
| DNF | Did not finish |