Half Distance Triathlon in Knokke-Heist, Belgium - This isn’t just any race—and you’re not just any athlete. With a calm canal swim in historic Sluis, a smooth and scenic 90 km bike through Dutch and Belgian countryside, and a flat beachfront run along the iconic Zeedijk, this course is made for smart, steady, and experienced triathletes like you. That’s why this 24-week Half Distance Triathlon Training Plan is expertly crafted for senior athletes aged 60 and up—those who want to race strong, ...