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
Four COSSS swimmers excel at World Champs
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- Last Updated on Wednesday, 06 September 2017 21:15
Four Senior Elite swimmers competed at the FINA World Championships in Budapest, Hungary, and came away with a gold medal, two fourth places, one eighth place, two Commonwealth and 4 national records!
Snow Frills Meet Pack
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- Last Updated on Sunday, 20 August 2017 12:31
The meet pack and Sportsys Electronic Fileset are now available for download on our Forthcoming Galas page.
A British record, 31 medals and COSSS top club at British Summer Championships!
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- Last Updated on Saturday, 19 August 2017 21:30
COSSS swimmers featured prominently at British Swimming's end of season show piece event at Ponds Forge, winning 31 medals and securing a further 30 finals places which was enough to finish as the top club. In addition, the 17/over women's 4x200 free team broke the British club record in winning gold!
Read more: A British record, 31 medals and COSSS top club at British Summer Championships!
Another 9 medals at the English Nationals!
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- Last Updated on Friday, 18 August 2017 22:18
After a record breaking British Summer Champs, COSSS medals continued to smash it up in the pool and won another 9 medals at Swim England's biggest meet of the year.
Teaspoon Draft Program Published
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- Last Updated on Tuesday, 15 August 2017 10:38
The draft read only program for our 2017 Teaspoon Gala has now been published on our Forthcoming Galas page. Please advise any errors or omissions by August 30th to This email address is being protected from spambots. You need JavaScript enabled to view it.
Another successful Summer Meet!
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- Last Updated on Friday, 28 July 2017 15:36
Our Summer Meet was packed with swimmers across the UK aiming to post fast end of season long course times before the summer break. Yet again our swimmers performed brilliantly and featured in the medals across the weekend.
Lily's in the medals again!
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- Last Updated on Wednesday, 26 July 2017 17:51
After a successful European Juniors, AGN swimmer, Lily Boseley, won a further 3 medals at the Commonwealth Youth Games in the Bahamas. She took silver in both the 100 and 200 backstroke and then won gold in the 50 back in 29.04.
Sheffield & District Draft Program and session times
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- Last Updated on Wednesday, 26 July 2017 17:38
The draft program for the Sheffield and District Championships to be held on September 3rd 2017 is available here. Please advise your squad rep of any errors or omissions by Friday July 21st.
Please also note that the 2nd session warm up will be at 12.30pm with the session starting at 1pm
The 1st session is as per gala information.
The gala will be run using 8 lanes
Exciting racing at White Rose!
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- Last Updated on Monday, 17 July 2017 16:49
Our mini Teamsteelers competed in two teams at the annual White Rose competition on the 8th July. This formed the Yorkshire round of the Arena Junior Inter-league competition.
