Desafío Castilla y León

Race facts

• It takes place on a Sunday, August 9, 2026 — summer in this part of the world.
• The closest comparable triathlon event is Triatlón Villamuriel in Villamuriel del Cerrato (Palencia), 44 km away, on September 6, 2026.
• 8 of the 12 most similar events take place in the same month.