Scottish middle-distance runner Laura Muir has reneged on a plan to join up with Nike Oregon coach Dave McHenry.
Reports emerged on Thursday of her plans to link up with the project, which is run by Mo Farah’s ex-coach Alberto Salazar, who is the subject of a US anti-doping investigation.
British 1500m record-holder Muir suggested the media speculation was a distraction putting her under unwanted stress.
“At a busy time in my life, with my degree in veterinary medicine coming to a critical stage and my running career going so well, I need to minimise distractions and stresses to allow me to focus on my athletics and studies.
“I have no concerns about Dave McHenry and was hugely impressed when I met him but, after some reflection, we have decided not to start working with him as planned and not to pursue this relationship further.”
Muir has previously said she does not speak to rival Genzebe Dibaba after her coach, Jama Aden, a coach arrested as part of an anti-doping investigation.
Aden denies any doping offences, while Ethiopian world champion Dibaba has always maintained she is clean.
Muir said she needed to “minimise distractions and stresses” to allow her to focus on athletics and her degree in veterinary medicine.
Muir, who won 1500m silver and 3,000m bronze at the World Indoor Championships in March, will continue to be coached by Andy Young.