British horse racing staged an unprecedented one-day strike on Wednesday, canceling four race meetings to protest proposed changes to the taxation of online betting that the industry says would threaten its financial model and thousands of jobs.

Racecards at Carlisle, Uttoxeter, Lingfield and Kempton were canceled and later rescheduled after agreements between racecourse owners and the British Horseracing Authority (BHA), marking the first voluntary refusal to race in modern British racing history as organizers pressed a campaign against the policy change.

The BHA launched the "Axe the Racing Tax" campaign in response to government proposals to replace the existing three-tier structure of online gambling duties with a single tax. The industry fears the move could raise the duty applied to racing from the current 15% to the 21% rate levied on other games of chance. Economic analysis commissioned by the BHA says such an increase could cost the sport at least 66 million pounds ($90 million) and put about 2,750 jobs at risk in the first year.

BHA Chairman Charles Allen described the potential change as "nothing short of an existential threat for our sport," urging trainers, jockeys, stable staff, racecourses and fans to "stand together and make their voices heard." Allen said the sport supports 85,000 jobs across Britain and delivers more than 4 billion pounds ($5.4 billion) in economic value annually, and that the proposed tax shift would "devastate our funding model and the livelihoods that depend on it."

Government officials have said the consultation is intended to simplify the treatment of online betting and bring it in line with other forms of online gambling. A government statement cited in recent briefings said the proposals are "not about increasing or decreasing rates" and that it welcomed views from businesses, trade bodies, the third sector and individuals.

Dan Tomlinson, exchequer secretary to the Treasury, acknowledged horse racing's role in Britain’s cultural life and said there had been no announcement of a tax increase. "The Chancellor has been clear that speculation on tax rises, which is what this is, is not only inaccurate, but also irresponsible," Tomlinson said, adding that racecourse betting currently receives a 100% tax break that the government has no plans to change. He said the wider gambling consultation aims to level the playing field and simplify the system while the government works with the industry to understand any potential impacts.

The government is expected to set out any decisions on tax changes in its budget on Nov. 26. Racing industry leaders have used the intervening weeks to mobilize supporters and pressure policymakers, arguing that cuts to funding linked to betting duty would reduce prize money and investment in bloodstock and racing infrastructure.

Industry unions and representative bodies backed the BHA action, saying the strike was intended to highlight the stakes for local communities that depend on racing-related employment and spending. The BHA’s economic analysis warned of broader knock-on effects beyond direct employment, noting that race meetings support hospitality, transport and tourism in rural and urban centers.

Opponents of the industry’s stance have argued the government’s review seeks to rationalize a complex tax framework and reduce administrative burdens. The consultation has drawn input from a range of stakeholders across the gambling sector, and ministers have said they will consider evidence before making policy decisions.

For now, the strike marked a rare, coordinated industrial action in a sport with deep roots in British social and economic life. Race organizers and industry bodies said they would continue campaigning ahead of the budget announcement, while the Treasury maintained that no final decisions have yet been announced and that the consultation process remains open to contributions from all affected parties.