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Science1 publisher3 min readPublished

British greyhound track deaths per race start rose 77% since the welfare strategy began

The Greyhound Board of Great Britain reports 161 dogs died at the track in 2025, or 0.05% of race starts. A scrape of 1.27 million public race records finds some stadiums logging serious incidents five times as often as others.

The Scientist · Science desk

Illustration accompanying British greyhound track deaths per race start rose 77% since the welfare strategy began

What happened

  • The Greyhound Board of Great Britain published its 2025 welfare figures under the line that licensed racing maintains high welfare standards; the same figures show track deaths per race start up 77% on 2022.
  • The rate went from 0.03% of race starts in 2022 to 0.05% in 2025, which in dogs means 161 died at the track last year, more than three a week.
  • Researchers used AI agents under human supervision to pull records on 31,028 dogs and 1.27 million races from five public websites covering January 2022 to March 2026.
  • Those records show some tracks logging serious racing incidents, such as a dog striking a rail, up to five times as often as others, a spread the national annual figures do not show.

Compiled by The ScientistSomething wrong?How this is made

Why it matters

  • constraint GBGB regulates racing but not breeding or rearing, so the first and longest stretch of a racing greyhound's life sits outside the body that scores the sport's welfare.
  • decision The government's decision to leave racing legal in England rests on nationally aggregated figures, so ministers are judging the sport on numbers that cannot say which stadiums are hurting dogs.
  • capability A track-by-track release would let a regulator act on the worst stadiums; the five-fold difference in recorded incidents is exactly the signal a national total averages away.
  • contradiction GBGB discloses more than most animal-using industries, according to the phys.org analysis, and its own disclosure is what shows the death rate climbing.

The denominator is recoverable from the figures themselves. If 161 track deaths are 0.05% of race starts [5][4], licensed racing in Britain ran roughly 322,000 starts in 2025 [1]. The published pair of rates, 0.03% and then 0.05% [4], implies a 67% rise on its own; both are rounded to two decimal places, and the 77% the same tables report [3] corresponds to a 2025 rate of about 0.053% [2].

The dataset behind the second set of findings is close to a census. The 1.27 million races the researchers pulled from five public websites, covering the 51 months from January 2022 to the end of March 2026 [9], work out at about 299,000 a year [3], near the 322,000 starts implied by the death rate [1]. A six-dog field of the kind that ran at Manchester in 1926 [1] would put starts nearer 1.8 million a year [4], so the 1.27 million is best read as individual dog runs. Either way, the uncertainty in it comes from what tracks recorded, not from sampling.

A stadium that logs serious racing incidents five times as often as another [11] is either more dangerous or more diligent, and a national total cannot separate those two. Government committees have been asking for the per-track breakdown [11].

85% of the dogs in the dataset, about 26,000 of 31,028 [12][5][9], were bred and reared in the Republic of Ireland. Dogs typically start racing before they turn two [10] and most race for around a year [13], so the years before the first race are the longer stretch [7], and they fall outside GBGB's remit [12].

The 161 counts deaths at the racetrack, from fatal injury or from being put down after one [3]. Dog number 12,999 in the dataset, a black male bred in Ireland, raced 15 times at Kinsley in West Yorkshire from March 2023 and won four times early on [14]. From May he was jostled by the pack and checked his stride to avoid crashes, finishing at or near the back [14]. His records stop after a race in August 2023, five months after he started [14]. The rate at which dogs leave racing has not changed since the strategy was introduced [13].

A 77% rise in a rate is not evidence that A Good Life for Every Greyhound caused harm [3][13]. The phys.org analysis says the increase holds after accounting for fewer races and fewer racetracks [3], though a national average also moves when tracks close, and these tables carry a single average for a sport whose stadiums differ five-fold in recorded incidents [11]. In my view the release is too coarse to test its own strategy. In October 2025 the government cited that strategy, and the law requiring a vet at every race meeting, when it said it had no plans to ban racing in England [7].

What to watch

  • Whether the next GBGB annual release publishes injury and death counts stadium by stadium.
  • Whether the UK government revisits its position if the 2026 rate rises again.
  • Whether any welfare oversight extends to Irish breeding and rearing, the origin of 85% of the dogs.
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