Debutants
Freddy Maertens is the youngest debutant in Omloop der Beide Vlaanderen in 1973. There are 25 debutants.
| # | Rider | Team | Age |
|---|---|---|---|
| 1 | MAERTENS Freddy | Flandria - Carpenter - Shimano | 21y + 19d |
| 2 | BAL Kees | Gan - Mercier | 21y + 103d |
| 3 | GAIDA Alfred | Rokado | 21y + 222d |
| 4 | SOENENS Johnny | Novy - Romy Pils - Total - Dubble Bubble | 22y + 46d |
| 5 | WEEMAES Isidore | Hertekamp | 22y + 220d |
| 6 | DE BUYSSCHERE Christian | Hertekamp | 22y + 226d |
| 7 | MERKS Emil | Rokado | 22y + 228d |
| 8 | MOREELS Eddy | Hertekamp | 22y + 267d |
| 9 | HERIJGERS August | Ijsboerke - Bertin | 22y + 275d |
| 10 | PAUWELS Daniel | Watney - Maes | 22y + 341d |
| 11 | MUDDEMANN Karl-Heinz | Rokado | 23y + 48d |
| 12 | DE CAUWER José | Sonolor | 23y + 160d |
| 13 | DE GUCHTENAERE Robert | Siriki - Munck | 23y + 169d |
| 14 | CATTEEUW Gerry | Ijsboerke - Bertin | 23y + 179d |
| 15 | VAN SWEEVELT Guido | Watney - Maes | 23y + 323d |
| 16 | ABBELOOS Willy | Watney - Maes | 23y + 346d |
| 17 | KUIPER Hennie | Rokado | 24y + 29d |
| 18 | PEIRSMAN André | Hertekamp | 24y + 65d |
| 19 | GILSON Roger | Rokado | 25y + 166d |
| 20 | MARIËN Hendrik | Ijsboerke - Bertin | 26y + 132d |
| 21 | VAN KATWIJK Jan | Ijsboerke - Bertin | 26y + 186d |
| 22 | TABAK Tino | Sonolor | 26y + 302d |
| 23 | HOLST Daan | Novy - Romy Pils - Total - Dubble Bubble | 28y + 16d |
| 24 | MAES Marcel | Hertekamp | 28y + 75d |
| 25 | JIMENEZ Giovanni | Hertekamp | 30y + 247d |