A New Grand Slam Peak Time Record!

James Petzke set a new time record for the Grand Slam Peaks. James completed the Grand Slam in 14 hours, 2 minutes and 40 seconds on June 15, 2020. P.A. Campbell previously held the record at 16 hours and 25 minutes. Read about James’ adventure at this link: 35.7 Miles and 11,493 Vertical Feet: Breaking the Boise Grand Slam Record. James’ also prepared well though out rules for the competition. Read them at this link: Rules