| Location: | Longchamp Racecourse |
| Winning Horse: | Sagamix |
| Previous: | 1997 |
| Next: | 1999 |
The 1998 Prix de l'Arc de Triomphe was a horse race held at Longchamp on Sunday 4 October 1998.[1] It was the 77th running of the Prix de l'Arc de Triomphe.
The winner was Sagamix, a three-year-old colt trained in France by André Fabre. The winning jockey was Olivier Peslier.[2]
| border="1" cellpadding="0" style="border-collapse: collapse; font-size:90%" | ||||||
| Pos. | Marg. | Horse | Age | Jockey | Trainer (Country) | |
|---|---|---|---|---|---|---|
| 1 | Sagamix | 3 | Olivier Peslier | André Fabre (FR) | ||
| 2 | nk | Leggera | 3 | Richard Quinn | John Dunlop (GB) | |
| 3 | ¾ | Tiger Hill | 3 | Andreas Suborics | Peter Schiergen (GER) | |
| 4 | ¾ | Croco Rouge | 3 | Sylvain Guillot | Pascal Bary (FR) | |
| 5 | ¾ | Caitano | 4 | Andrasch Starke | Andreas Schütz (GER) | |
| 6 | ½ | Fragrant Mix | 4 | Alain Junk | André Fabre (FR) | |
| 7 | hd | High-Rise | 3 | Michael Kinane | Luca Cumani (GB) | |
| 8 | hd | Dream Well | 3 | Cash Asmussen | Pascal Bary (FR) | |
| 9 | ½ | Sea Wave | 3 | Frankie Dettori | Saeed bin Suroor (GB) | |
| 10 | 1½ | Happy Valentine | 4 | Daragh O'Donohoe | Saeed bin Suroor (GB) | |
| 11 | 1½ | Courteous | 3 | Kieren Fallon | Paul Cole (GB) | |
| 12 | 1½ | Limpid | 3 | Thierry Jarnet | André Fabre (FR) | |
| 13 | 1 | Zainta | 3 | Gérald Mossé | Alain de Royer-Dupré (FR) | |
| 14 | nk | Posidonas | 6 | Pat Eddery | Paul Cole (GB) |
Further details of the winner, Sagamix.