Get involved Challenge Events Cardiff Half Marathon Take in the city's most iconic landmarks as you traverse the famously flat course, which makes the Cardiff Half great for beginners and elites alike. Previous year's participants have had a wonderful time representing Bipolar UK so why not get yourself involved this year and show Wales what you're made of! When: 2 October - 08:15amWhere: Cardiff CastleRegistration Fee: £35 Sponsorship Target: £400 Why run for us? Your support helps over 80,000 individuals and families affected by bipolar. Your planning, training, fundraising and commitment changes lives up and down the country. We support you every step of the way Training advice to help you reach your goals Race jersey Fundraising materials Dedicated fundraising support Discounted goods and hotels So why not challenge yourself whilst helping thousands of people Booking for this event has now closed.