Established in 1981 we are South Yorkshire’s premier competitive swimming club and train at the prestigious Ponds Forge International Sports Centre in Sheffield. Our aim is to compete at the highest levels in the sport, and within our squads we have many International swimmers and National medallists. We also compete at district, county and regional levels, including various open meets through-out the year. We are regularly ranked in the top 10 clubs in Great Britain.
For any training related enquiries please email by clicking this link. Any enquiries about COSSS Open Meets should be directed to our Gala Secretary by clicking this link. For any general enquiries or correspondence please email our Honorary Secretary, Sarah Finlay, by clicking this link, or for written correspondence, send to:- COSSS Honorary Secretary, Ponds Forge ISC, Sheaf Street, Sheffield, S1 2BP. Many of the photos on our site are courtesy of Simon Wright at GBswimstars, see more of his work at www.gbswimstars.com
Premier Meet Draft Program
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- Last Updated on Monday, 18 February 2019 20:02
The draft read only program for our Premier Meet is now available here. Please email any corrections or withdrawals to This email address is being protected from spambots. You need JavaScript enabled to view it. by February 28th.
Yorkshire Teams Information
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- Last Updated on Tuesday, 19 February 2019 18:01
The selections for the Yorkshire Teams competition and further details of the gala are now available here (updated Feb 19th).
Yorkshire Age Groups Weekend 2
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- Last Updated on Thursday, 14 February 2019 12:55
The second weekend of the Yorkshire long course Championships took place last weekend at the John Charles Centre in Leeds. 42 City of Sheffield swimmers were back in action aiming to emulate the previous weekend’s success. With 59 top ten finishes, 7 third places, 6 second places and 16 first places it was another great weekend for Team Steel.
Yorkshire Age Group Champs
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- Last Updated on Wednesday, 06 February 2019 16:35
The Yorkshire Long Course Championships are held over 3 weekends at both John Charles Centre in Leeds and Ponds Forge in Sheffield, the first of these took place last weekend in Leeds. The freezing temperatures outside did not stop any of the 44 City of Sheffield Swimmers from heating up the competition with their great times and podium finishes.
March Madness Accepted Entries
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- Last Updated on Tuesday, 05 February 2019 10:35
The list of accepted entries for our March Madness Meet has now been published on our Forthcoming Galas page.
Sportsys Entry Files for Spring Galas
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- Last Updated on Wednesday, 02 January 2019 13:31
The Sportsys Electronic Entry Files are now available for our March Madness, Premier Meet and No Frills galas on our Forthcoming Galas page.
COSSS 2019 Gala Dates
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- Last Updated on Friday, 07 December 2018 19:07
The dates for our 2019 Galas, and Meet Information Packs for the March Madness, Premier Meet and No Frills Meet, have now been confirmed and are available on our Forthcoming Galas page.
Sheffield City B Grade Results
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- Last Updated on Tuesday, 20 November 2018 14:14
The results from the Sheffield City B Grade gala held at Ponds Forge on November 18th are now available here. COSSS won the Top Club award and the points table for that can be found here.
Little Olympics Results
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- Last Updated on Monday, 10 September 2018 18:13
The results for the Little Olympics Gala held at Ponds Forge on September 9th are now available here.
