The Sikhs in the City running club is holding its sixth relay marathon in Redbridge on August 26.
Teams of between five and seven runners will compete over 26 miles by lapping a course.
The challenge starts at Roding Lane South, Redbridge, and takes in Woodford Bridge Road, Lodge Hill and Woodford Avenue before returning to the start point.
The 2km route is the same used for training by 101-year-old Fauja Singh, of Goodmayes, believed to be the only centenarian to complete a marathon and runners will tackle 21 laps.
The closing date for entries is August 17 and is limited to the first 26 teams received.
All-women teams will be guaranteed a place and multi-faith teams are encouraged to join.
The entry fee is �10 per person and �1,000 will be donated to the Mayor of Redbridge’s chosen charities.
Cheques made payable to Sikhs in England should be posted to Sikh Relay Marathon, 47, Wellesley Road, Ilford, IG1 4JX.
Call organiser Harmander Singh on 07958 94 6868 for details.
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