2021 Muuk Ultra Running Series As we come out of lock down and the disaster that has been 2020. We want to be positive and look forward to 2021. We want to give those that like to take challenges to the next level something to aim for and reignite any loss of interest, or even build on a any new sense of motivation that has crept in over these strange times with; The MUUK Ultra Running Series. It is our aim to create an Ultra Running Series in West Wales, That will see runners battle it out over a number