Le Grizz Ultramarathon & Relay | Fun Run Atlas | RMN
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Monday, October 5, 2026 · New Jersey

Monday, October 5, 2026 · New Jersey

Le Grizz Ultramarathon & Relay

One of the oldest 50-milers in the world, started by shotgun blast in grizzly country, with an aid station at the historic Polebridge Mercantile.

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Fun Run Atlas · Montana

Iconic tradition · Polebridge, MT

Le Grizz Ultramarathon & Relay is a landmark running tradition in Polebridge, Montana, with a verified date of October 10, 2026.

ConfirmedFamily friendly
When
Sat, Oct 10, 2026
Start 7:00 AM MDT shotgun start
Second Saturday of October
Where
Glacier Institute Big Creek Outdoor Education Center
6500 N Fork Rd
Polebridge, MT 59928 · Flathead
Directions
Entry
$150 ultra, $80 relay, $50 15K, $35 5K
Register
Organized by
Glacier Institute
Since 1982
Official siteRegisterDirectionsAdd to calendar

What to expect

  • shotgun start
  • relay
  • grizzly country
  • Polebridge Mercantile aid station
  • fried chicken and beer
  • gravel road

2026 Confirmed

Saturday, October 10, 2026

  • Sat, Oct 10, 2026

Checked Sun, Oct 4, 2026 against the official source.

2027 Projected

Date TBA

About the run

Out-and-back gravel-road ultra along the North Fork of the Flathead River west of Glacier National Park, with a relay, 15K and 5K, then fried chicken and a free beer at the post-race picnic.

The run

Distances
50 miles, 50-mile relay, 15K, 5K, Kids run
Season
Fall
Swag
Fried chicken and a free beer at the finish picnic
Benefits
Glacier Institute

Nearby

Sources

Details checked against the race’s own pages on Sun, Oct 4, 2026.