SIETZEMA Sietse-Jan

4 races · 2025 index 684

• 2025-09-13 Challenge Almere-Amsterdam (Long Distance Open Series) – 10:19:59 (#103)
• 2025-06-21 Triathlon Holten / Europe Triathlon Premium Cup & Junior Cup – 2:31:35 (#30)
• 2025-05-25 NK Triathlon Middenafstand (Triathlon Nieuwkoop) – 4:56:59 (#91)
• 2022-06-26 IRONMAN 70.3 Elsinore – 4:57:35 (#312)