Duluth, United States

Grandmas Marathon

Saturday, June 20, 2026
Unknown

Course Profile

Difficulty
Unknown
Terrainroad

Typical Weather

Registration

Entry Type

When to start training

67 days until Grandmas Marathon

12-week plan
Saturday, March 28, 2026
Not enough time for this plan
16-week plan
Saturday, February 28, 2026
Not enough time for this plan
20-week plan
Saturday, January 31, 2026
Not enough time for this plan

Plan start dates calculated from Grandmas Marathon race day on Saturday, June 20, 2026.

Your 16-week training phases

From first base run to race day at Grandmas Marathon

PhaseDatesWeeksFocus
baseFebruary 28, 2026 – April 3, 20265Build aerobic capacity with easy mileage
buildApril 4, 2026 – May 8, 20265Add tempo runs, hills, and mid-long runs
peakMay 9, 2026 – June 5, 20264Race-specific workouts at goal pace
taperJune 6, 2026 – June 19, 20262Reduce volume, sharpen, arrive fresh

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