Amateur-enterable major road running event. Importance evidence: Official Grandma's Marathon site exposes the Garry Bjorklund Half Marathon page and 2026 Race Roster registration for Grandma's Marathon weekend; major long-running Duluth mass-participation race weekend.
Datum
20 juni 2026
Distans
—
Höjdmeter
—
Svårighetsgrad
ej tillgängligt