Why it is worth going
The Arc is a Group 1 over 2,400 metres of turf for horses of three and older, first run in 1920, and with €5 million in prize money it is Europe's richest flat race.1 Sunday 4 October carries it alongside three more Group 1 races, the Prix de l'Opéra, the Prix Jean-Luc Lagardère and the Prix Marcel Boussac; Saturday has two, the Prix de Royallieu and the Prix du Cadran, with nine races each day.2 The course covers 57 hectares of the Bois de Boulogne, and its grandstand, by Dominique Perrault, reopened in 2018.2 New this year: a paddock for each racing nation, among them France, England, Ireland, Germany and Japan, and a Parade of Nations just before the main race.3 The Arc Summit, a platform several metres above the track, is open both days, booked race by race.3

Sources
- Prix de l'Arc de Triomphe - Wikipedia. en.wikipedia.org, read 25 September 2026.
- ParisLongchamp | France Galop. france-galop.com, read 25 September 2026.
- Festival of Nations | France Galop. france-galop.com, read 25 September 2026.
- Qatar Prix l'Arc de Triomphe | France Galop. billetterie.france-galop.com, read 25 September 2026.
Last checked 25 September 2026.
