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Bob Marshall Trail Races

July 18, 2026
Seeley Creek Nordic Trails (Seeley Lake, MT)
Seeley Lake, MT 59868 US

Routes

10K

  • Primarily on rolling ski trails 
  • No pavement
  • 600 feet of elevation gain
  • One loop

1/2 Marathon

  • Beginning 4 miles on rolling ski trails
  • Middle 4 miles on two track forest service road
  • Top 2.5 miles on rough single track
  • Last 3 miles on a two-track forest service road
  • No pavement
  • 1100 feet of elevation gain
  • One loop

Marathon

  • Beginning 6 miles
  • Middle 4 miles on two track forest service road
  • Top 2.5 miles on rough singletrack
  • Final 3 miles on a two-track forest service road
  • No pavement
  • 2200 total feet of elevation gain
  • Two 13-mile loops

25K

  • Beginning 6 miles on rolling ski trails
  • Middle 4 miles on two track forest service road
  • Top 2.5 miles on rough singletrack 
  • Final 3 miles on two-track forest service road
  • No pavement
  • 1300 feet of elevation gain
  • One loop

50K

  • Beginning 6 miles on rolling ski trails
  • Middle 4 miles on two track forest service road
  • Top 2.5 miles on rough singletrack 
  • Final 3 miles on a two-track forest service road
  • No pavement
  • 2600 total feet of elevation gain
  • Two 25K loops

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