Grandma's Marathon
← All races
🏟️ Big eventroute

Grandma's Marathon

📅 June 19, 2027📍 Duluth · United States👥 ~20,000 runners

Available distances

26 mi13 mi3.1 mi

Races on the programme

RaceDistanceElevation gain
Marathon26 mi499 ft
Semi-Marathon13 mi—
5 K3.1 mi—

About

Grandma's Marathon runs from Two Harbors to Duluth, Minnesota, in mid-June along the shore of Lake Superior. A nearly flat course, cool lake air and small-town hospitality for around 20,000 runners across the marathon, the Garry Bjorklund Half and the 5K — a classic for chasing a time.

Highlights

  • City
  • Lakes and ponds
  • Off-road
  • Bridge / viaduct
D-278

Prepare for Grandma's Marathon with RunRun

An AI-generated training plan, adjusted every week based on your real sessions. Built around your goal, current level and race date.

  • Personalized plan based on your VO2max, history and weekly availability
  • Strava and Garmin sync: your sessions are analyzed and the plan adapts
  • Target paces, long runs, key sessions: everything is calculated for race day
Create my free plan No credit card. Sign up in 30 seconds.

Races nearby

Other upcoming races around Duluth.