Adidas AG will reportedly end its 11-year sponsorship deal with the International Association of Athletics Federations (IAAF) almost four years early.
The BBC said the biggest sponsor of the sport's governing body and one of its "Official Partners" had decided against continuing with the contract as a direct result of the doping and corruption scandal that emerged in December last year and continues to dog athletics.
The BBC said the sportswear giant considered the accusations of corruption within the organisation a breach of their agreement with the IAAF.
Reuters has been unable to independently confirm the report.
Calls placed late on Sunday to the German company and the IAAF were not immediately returned. Neither organisation commented to the BBC on the report.
The BBC, citing anonymous sources, said the sponsorship deal, signed in November 2008, was worth around $US8 million ($A11 million) per year.
If confirmed, the disclosure represents the latest in a series of setbacks for the Monaco-based IAAF.
Late last year an independent commission for the World Anti-Doping Council (WADA) revealed widespread, state-sponsored doping in Russia.
Last week the commission released a second report on its investigations that accused the IAAF of having "embedded corruption" at the very top of the organisation under former president Lamine Diack.
Diack and his son, Papa Massata, are both under investigation by French police over corruption allegations. Both men have denied wrongdoing.
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