Hundred House 10k

The Hundred House 10k is a scenic running event taking place in the village of Hundred House, near Builth Wells, on June 29, 2025. Formerly known as The Hill Billy, this race features a 10km route along undulating lanes, offering stunning views of mid-Wales. Participants can compete for £100 prizes for setting new course records, with additional category prizes for top finishers.

The event is UKA registered and includes chip timing for accurate results. Amenities include free parking, refreshments, and post-race medals. Early registration is encouraged, with a maximum of 250 participants allowed. Visit the organization's website for the most recent information.