The Half Distance Triathlon in Jönköping, Sweden, - 1.9 km swim in Lake Munksjön, a 90 km bike course featuring both fast sections and challenging climbs, and a 21.1 km run composed of three loops around the city center and lake. The race environment, including average water temperatures around 68°F (20°C) and air temperatures near 72°F (22°C), requires a well-rounded, targeted training approach to optimize performance and endurance on race day. Our 36-week beginner training plan is ...