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Sybe de Groot

NEDbest 18 yards (75.0 miles), 2 backyards, world #9,840 all-time

Results

Date	Race	Yards
Oct 17, 2026	Dutch Backyard Ultra – Zeewolde	9
Oct 2, 2026	UPFRONT Last Man Standing	18

Independent fan project, not affiliated with any race or timing company. Results come from official race and timing sources and may lag the course.

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