RX-Running is managed by Ruben Zuidema and Xander Bijsterveld.
Together, Ruben and Xander have completed over 30 (ultra) marathons, ranging from a fastest marathon time of 2:37 to multiple 100K races.
With more than 10 years of combined experience in coaching, sports physiotherapy, running, and strength training, they bring both expertise and passion to their work. Their drive lies in embracing challenges and pushing boundaries, while building a strong foundation in injury prevention, performance improvement, and close athlete support.
