Christie Mclean is taking on the international body to ensure mules like Wallace are allowed to compete.
The "bright star" of equestrian riding died when her jumping pony landed on her, an inquest finds.
Pippa Funnell has beaten Piggy French by 0.1 penalties to win the Burghley Horse Trials for the first time since 2003.
Manx equestrian Libby Priest named in six-strong GB squad for World Championships after winning second national title.
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In 2009 the first ever Mongol Derby was raced across the vast expanse of the Mongolian Steppe.
Live sport online coverage from the BBC
Check out the BBC Sport Live Guide for details of all the forthcoming live sport on the BBC.
How to get into equestrian sports
How to get into horse racing, whether you want to work with horses at the stables, become a racing jockey or take part in the Olympics.