The Sheffield Hallam parkrun is regarded as one of the largest events of its kind in the UK and recently broke its own attendance record when 868 people took part.Â
The organisers of the 5k run around Endcliffe Park have issued an appeal for runners to leave their headphones at home if possible as this will help guides and marshalls assist visually impaired runners.Â
In a Facebook post, they said: 'Due to the nature of our course and our visually impaired runners and their guides we would rather you didn't run with headphones - it makes it difficult for our marshals and guides to communicate with you.
'We appreciate that some runners do feel naked without their music so if you must wear them please remove one headphone to be able to hear any marshals instructions out on the course too.'Â Â