Mount Rushmore Half Marathon

Saturday, September 12, 2026

Keystone, South Dakota

Race Day

Saturday, September 12, 2026

Course

Loop

Registration

Race Website

Official race information

☀

Avg High

75°F

☽

Avg Low

54°F

☂

Precip

0.06 in

🍃

Wind

10.3 mph

55% humidity·Based on 5-year historical data

APR 25

River Rat Run

APR 25

DoNot Stop Half Marathon (5k/10k) - Sioux Falls

MAY 2

Pierre Half Marathon

MAY 13

2026 Prairie Series - Day 6 (SD)

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Race Day

Saturday, September 12, 2026

Course

Loop

Registration

Race Website

Official race information