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Grandma's Marathon 2027

✓ Verified date — June 19, 2027
Date
June 19, 2027
Location
Duluth, USA
Distance
42.2 km
Difficulty
Not rated
Field
9,602 finishers

The 2027 Grandma's Marathon takes place on Saturday, June 19, 2027 in Duluth, USA. Grandma's Marathon is a point-to-point course running from Two Harbors to Duluth, Minnesota, almost entirely along Scenic Highway 61 beside Lake Superior. Race-week weather is typically 14°C to 22°C.

Training for the Grandma's Marathon?

Coach Icarus builds your plan around your fitness and your schedule.

The course

Grandma's Marathon is a point-to-point course running from Two Harbors to Duluth, Minnesota, almost entirely along Scenic Highway 61 beside Lake Superior. The first eight miles are a gradual descent, the middle miles (roughly 9-16) roll through small lakeside communities, and the defining late-race challenge is Lemon Drop Hill at mile 22, a short climb of about 30 vertical feet. It finishes in Canal Park near the Aerial Lift Bridge. Net elevation drop is about 130 feet, though the rolling middle section makes it less flat than it appears.

Course summary source: findmymarathon.com

Course map & elevation

Distance

42.2 km

Elevation gain

55 m

Elevation loss

94 m

High / low

228 / 185 m

0 km186 m – 228 m42.2 km

🛰️ Community-sourced GPX with DEM-corrected elevation — not an organizer-verified course.

Race-week weather

Typical high

22°C

Typical low

14°C

Year-to-year swing

±1.5°C

Rain

3.4 mm/day

Based on 2020-2025 of race-week history, with peak gusts around 20 km/h.

Difficulty

ClimbingNot rated
DownhillNot rated
Heat2/3
Altitude0/3

Race facts

Official race site
grandmasmarathon.com ↗
Start time
07:35
Field size
9,602 finishers (2026)
Boston qualifier
Yes

Distances: 42.2 km · 21.1 km

When is the Grandma's Marathon 2027?

The 2027 Grandma's Marathon takes place on Saturday, June 19, 2027.

Training for the Grandma's Marathon?

Coach Icarus builds your plan around your fitness and your schedule.

Predict your finish time

Enter one recent race result and get predicted finish times across 5K, 10K, half marathon, and marathon.

Race Time Predictor
Enter a recent race result to predict your finish time at another distance, using Riegel's formula.
Hours
Minutes
Seconds

Predicted Finish Time

52:07

Pace / km

5:13

Pace / mile

8:23

DistancePredicted Time
5K25:00
10K52:07
Half Marathon1:55:00
Marathon3:59:47

Predictions assume similar fitness, course, and conditions — they are a starting point for goal setting, not a guarantee.

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