ATW Holdenby House Duathlon

ATW Holdenby House Duathlon, hosted by Active Training World, returns to Holdenby Estate in Northamptonshire. Based in the grounds of the 2,000-acre estate around Holdenby House, the event features a traffic-free 5.4 km run lap through the grounds and surrounding farmland with fantastic views of the house. After the first run you pick up your bike and tackle a rolling 19 km bike course on fast country roads, then a second 5.4 km run to finish in front of the house.

Distances: Sprint – 5.4k run, 19k bike, 5.4k run; Standard – 10.8k run, 38k bike, 5.4k run (relay available). All finishers receive a custom medal; charity partner Alzheimer’s Research UK; on-site parking £3. Visit the organization's website for the most recent information.