Could you run 77km a day? Karl Meltzer can

Ultrarunner Karl Meltzer hopes to run the 3,537km Appalachian Trail faster than anybody has before.
Karl Meltzer runs part of the Appalachian Trail in Maine
The Appalachian Trail: far better than the gym © Josh Campbell/Red Bull Content Pool
By Michelle Hurni

Ultrarunner Karl Meltzer just set out on the run of his life on the picturesque and diverse Appalachian Trail (AT) – the longest hiking-only footpath in the world. The trail winds for 3,537.3km through 14 US states, from Maine to Georgia, and Meltzer is challenging himself to run the entire trail in one go – a task which countless hikers and runners over the years have attempted with a relatively low percentage of success. On top of that, he’s hoping to average a whopping 77km a day in order to complete it in less time than anyone ever has before.

More info on Meltzer’s Appalachian Trail run

An ultra-distance running legend, Meltzer is one of the most-accomplished and best ultrarunners on the planet. He was the 2006 USATF Ultrarunner of the Year, owns the most 160km wins in history (38), has 57 ultra-wins and was the first person to run the 3,321km Pony Express Trail from California to Missouri, commemorating the 150th anniversary of the legendary route. Despite all that, completing the AT in less time overall than any other runner has eluded him twice over the past 10 years.

Karl Meltzer sitting on a porch
Karl Meltzer is born to run © Josh Campbell/Red Bull Content Pool

Growing up within steps of the iconic trail in New Hampshire, Meltzer has always dreamed of running the distance. When he first attempted it in 2008, he finished seven days off the pace set by another runner in 2005, completing it in 54 days, 21 hours, 12 minutes with trench foot and tendonitis. This year, he’ll need to find some trail magic to knock eight days off that time to surpass his friend Scott Jurek, who completed the trail in 46 days, eight hours and seven minutes in 2015.

Karl Meltzer and team study maps of the Appalachian Trail
Know before you go – the team maps out the trail © Josh Campbell/Red Bull Content Pool

Meltzer’s punishing run from August into September will be an exercise in patience as he follows approximately 165,000 white blazes (trail markers) in the footsteps of over 15,000 people who have through-hiked the 80-year-old trail before him. Finishing isn’t about being a rabbit the whole way; it’s about surviving and finding his sweet spot.

Odds are with him, even if the rugged elements of the delicately majestic trail are not. Meltzer’s nickname of Speedgoat reflects his sure-footedness on gnarly trails where rivers must be forded and trails run from steep, rocky and rooty to grassy, high-elevation mountains. He will run the trail southbound, starting on top of Mount Katahdin in Maine and finishing on Springer Mountain in Georgia.

For a detailed look inside Meltzer’s latest attempt, follow his progress here.

Meltzer timeline

  • 2006: Earns most 160km wins during a calendar year (six)
  • 2008: Runs the AT in 54d 21h 12m (fourth fastest at the time)
  • 2010: First to run 3,321km along the Pony Express Trail from California to Missouri,  in 40 days
  • 2014: Attempts to run the AT but heads home after 32 days, swearing to never attempt it again
  • August 2016: Begins his third attempt to set the fastest time on the Appalachian Trail

Appalachian trail facts

  • Total distance: 3,537.3 km (distance varies from year to year due to trail changes)
  • States traversed: 14
  • Total elevation gain: 141,579.6m
  • High point: 2,025m at Clingman’s Dome, North Carolina
  • Lowest point: 38m at Bear Mountain State Park, New York
  • Volunteers: 31 distinct clubs maintain the trail through an army of volunteers

Appalachian trail records

While the record for finishing the trail in the fastest known time (FKT) is not considered official by the Appalachian Trail Conservancy, whoever tries to break the record must inform the current record holder. Completing the trail for bragging rights is all on the honor system, with more than 15,000 people claiming to have accomplished the feat. It was first hiked from end to end by Earl Shaffer in 1948 in 124 days.

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