| Stratford Upon Avon Athletics Club | 17 | View |
| Stratford Upon Avon Tri Club | 9 | View |
| stratford-upon-avon ac | 39 | View |
| Stratford-upon-Avon Triathlon club | 4 | View |
| Strathaven Striders | 35 | View |
| Strathgryffe Tennis Club | 2 | View |
| Strathgryffe Tennis, Squash & Fitness Club | 2 | View |
| Strathsail Run | 6 | View |
| Streamline Swims | 7 | View |
| Street cycling club | 7 | View |
| Street Striders | 0 | View |
| Strideout | 12 | View |
| Striders of Worthing | 6 | View |
| Striders Croydon | 1 | View |
| Striders of | 0 | View |
 | Striders of Croydon | 0 | View |
| striders of croydon ac | 28 | View |
| Stridersofcroydon | 1 | View |
| Strides are Croydon | 1 | View |
| Striking worm tri club | 4 | View |