Welcome to the home of Sleaford Striders Athletics Club. Sleaford Striders was founded in 1984 and is affiliated to England Athletics, we are a small friendly club for all abilities aged 8 and above. We welcome both Adults and Juniors; with regular club meets where new members can come try out our club alongside existing members. Friends In Training. Adults Athletes Junior Athletes Sleaford Striders Races Couch to 5k