- as well as giving you a good shot at beating your 5K and 10K PBs.Threshold Summer Races (Stratford-upon-Avon, June 12)Race series are just as much social events as they are an opportunity to claim new PBs and few races exemplify this more than
to encourage you home. Enter online now.The Derwent River Relays (Derbyshire, July 17)This increasingly popular event is a multi-terrain four-stage relay race along the flat footpaths by Derbyshire's River Derwent - accompanied by views of the surrounding
