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Castres Olympique vs Dragons

What the model says about this fixture, at either ground and at a neutral one, with the record behind it. Ratings as at 2026-10-19.

Who wins, and where it is played
Castres Olympique at home29-22 average
Castres Olympique 68.1%draw 2.5%29.4% Dragons
Dragons at home28-23 average
Dragons 61.3%draw 2.5%36.2% Castres Olympique
Neutral ground26-24 average
Castres Olympique 52.2%draw 2.5%45.3% Dragons

Each figure is 5,000 simulations of this fixture. The score is where those runs are centred, not a likely scoreline — a rugby result is spread far too widely for any single one to be likely.

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How the runs finished

Winning margin across 5,000 simulations of this fixture. Bars right of the centre are Castres Olympique wins; the faded bars at each end hold everything beyond 75 points.

Margin percentiles

  • Middle 8 in 10
  • Middle half
  • Median
  • Level
  • Average

Eight runs in ten finished between 11 Dragons and 28 Castres Olympique, half of them between 2 Dragons and 16 Castres Olympique, with the middle run at 6 Castres Olympique.

Those are gaps rather than scorelines. How much scoring the match produces is drawn separately — between 31 and 73 points in eight runs out of ten — so one bar covers many scores. The middle run above is 23-17 on a tight afternoon and 34-28 on an open one.

Why Castres Olympique are favoured

How the model arrives at the chance of Castres Olympique winning. It starts at an even 50%, and each line below adds to that or takes from it, in percentage points (pp): a bar to the right helps Castres Olympique, a bar to the left helps Dragons.

Even match50.0%
Rating gap+10.0 pp

Castres Olympique 1456, Dragons 1330 — 127 points, favouring Castres Olympique

Venue+15.9 pp

Castres Olympique are at home

Form and context-7.8 pp

Recent results, past meetings between the two sides, and days of rest. It has a limit, so it can nudge the rating but never overrule it.

Castres Olympique win68.1%
Dragons win29.4%
Draw2.5%

Head to head

Castres Olympique2–0–2Dragons

4 meetings, 2015 to 2020 · Castres Olympique by 1.0 on average

DateMatchCompetitionVenue
2020-01-11Castres Olympique 42–14 DragonsEuropean Challenge CupStade Pierre Fabre
2019-11-16Dragons 31–17 Castres OlympiqueEuropean Challenge CupRodney Parade
2016-01-15Dragons 31–18 Castres OlympiqueEuropean Challenge CupRodney Parade
2015-11-21Castres Olympique 32–29 DragonsEuropean Challenge CupStade Pierre Fabre

None of this feeds the forecast: both ratings already contain these results.

Rugby Tournament Predictor — unofficial, and not affiliated with any union, club or competition. About and sourcesForecasts are probabilities, not predictions of one result.

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