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Prix de l'Arc de Triomphe 2026 — Odds, Facts & Betting Guide
4 October 2026 · ParisLongchamp, Paris, France
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The Prix de l'Arc de Triomphe is the most prestigious all-aged middle-distance race in Europe, run over 2,400 metres at ParisLongchamp on the first Sunday of October — 4 October in 2026. It attracts the best horses from Britain, Ireland, France and beyond.
The Arc is one of the biggest international betting races of the autumn, with British and Irish punters following their runners closely. Soft autumn ground at Longchamp is a recurring theme that shapes both form and betting.
Where to find the latest odds
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Prix de l'Arc de Triomphe: fast facts
- The Prix de l'Arc de Triomphe is run over 2,400 metres at ParisLongchamp.
- First run in 1920, it is Europe's most prestigious middle-distance race for three-year-olds and upwards.
- The 2026 running is on Sunday 4 October.
- It is the richest turf race in Europe by total prize money.
- Treve, Enable and Alpinista are among recent stars; Enable won it twice (2017, 2018).
- Autumn ground at Longchamp is often soft, which heavily influences which horses are suited.
Past winners
| Year | Winner | Key detail |
|---|---|---|
| 2022 | Alpinista | Trained by Sir Mark Prescott, ridden by Luke Morris |
| 2021 | Torquator Tasso | German-trained outsider, won at 72/1 |
| 2020 | Sottsass | French-trained winner for Jean-Claude Rouget |
| 2019 | Waldgeist | Denied Enable a historic third Arc |
| 2018 | Enable | Second consecutive Arc |
| 2017 | Enable | First Arc, ridden by Frankie Dettori |
| 2016 | Found | Aidan O'Brien-trained winner |
| 2015 | Golden Horn | Derby winner added the Arc |
| 2014 | Treve | Second consecutive Arc |
| 2013 | Treve | Dominant first Arc win |
How to bet on Prix de l'Arc de Triomphe
The Arc is a championship contest where the best of Europe's middle-distance horses collide, so win and each-way betting on a fairly small, high-class field is the norm. Each-way value lies with the proven Group performers just below the market leaders.
Ante-post markets open weeks ahead and reward those who can read which Derby and Oaks winners, and which older horses, will turn up at Longchamp. Non-runner-no-bet offers nearer the race remove the ante-post risk.
The going is the great Arc variable: soft autumn ground regularly reshapes the form. Factor it in, set a sensible budget, and remember even short-priced Arc favourites are beaten more often than not.
Popular markets
- Win and each-way
- Ante-post
- Non-runner-no-bet offers
- Forecast and tricast
- Match bets
- Winning nationality/country of trainer
Prix de l'Arc de Triomphe 2026: your questions answered
When is the Prix de l'Arc de Triomphe 2026?
The 2026 Arc is run on Sunday 4 October at ParisLongchamp.
How far is the Prix de l'Arc de Triomphe?
It is run over 2,400 metres (about 1 mile 4 furlongs) on turf.
Which horse has won the most recent Arcs?
Enable won back-to-back Arcs in 2017 and 2018; Treve also won twice, in 2013 and 2014.
Why does the going matter at the Arc?
Longchamp's autumn ground is often soft or heavy, which suits horses with stamina and proven mud form and can catch out faster-ground specialists.
Can you bet on the Arc ante-post?
Yes — ante-post markets run for weeks beforehand at bigger odds, with the risk of losing your stake if your horse doesn't run. Non-runner-no-bet offers remove that risk closer to the race.