Appalachian Trail FKT

Springer Mountain, GA → Mount Katahdin, ME

2,190 Miles
40d 18h Current Record
53.7 Avg Miles/Day
14 States
Tara Dower
Aug 12 — Sep 21, 2024 (SOBO)
40d 18h 6m

Route

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Records

Supported Records
2024
Tara Dower (F)
SOBO — Katahdin to Springer
40d 18h 6m
CURRENT

Dates

August 12 — September 21, 2024

Averaged ~54 miles per day

Achievement

Broke Karel Sabbe's record by 13.5 hours

First woman to hold overall record since Jennifer Pharr Davis (2011)

Context

Dower is a legendary ultrarunner with extensive FKT experience across multiple continents.

Distance

2,197.4 miles across 14 states

~464,000 ft total elevation gain/loss

2018
Karel Sabbe (M)
NOBO — Springer to Katahdin
41d 7h 39m

Dates

April 20 — June 1, 2018

Notable

Belgian dentist and FKT legend. First to average 50+ miles/day on the AT.

Legacy

Sabbe's record stood for 6 years before Dower broke it, proving the speed frontier was still advancing.

Direction

NOBO (North-Bound) proved to be faster historically than SOBO, though Dower's SOBO run changed that narrative.

2011
Jennifer Pharr Davis (F)
SOBO — Katahdin to Springer
46d 11h 20m

Historic Achievement

First woman to hold the overall AT FKT record. Held title for 13 years.

Dates

May 28 — July 14, 2011

Context

Davis's record was groundbreaking proof that women could compete at the absolute fastest level of trail running.

Legacy

Paved the way for subsequent women's FKT pursuits, including Dower's historic 2024 run.

2023
Kristian Morgan (M)
SOBO — Katahdin to Springer
45d 4h 27m

Record Type

Men's SOBO Supported Record

Dates

August 20 — October 4, 2023

Context

Morgan was the men's-specific supported record holder before Dower's overall supported record.

Active 2025

Morgan is attempting another SOBO record in 2025, pushing to improve his own time.

2015
Scott Jurek (M)
NOBO — Springer to Katahdin
46d 8h 7m

Dates

March 28 — May 13, 2015

Notable

Famous ultramarathon legend known for Western States and other ultra classics.

Achievement

Brought mainstream attention to trail FKTs through his larger profile as an elite ultrarunner.

Context

Jurek's run was beaten by Meltzer's time just 9 hours later, showing the competitive intensity at the highest levels.

2016
Karl Meltzer (M)
NOBO — Springer to Katahdin
45d 22h 38m

Dates

April 10 — May 26, 2016

Achievement

Broke Jurek's record by 9 hours after an 8-year quest for the AT FKT.

Notable

Meltzer's dedication spanned nearly a decade of attempts before capturing the record.

Context

Represents the competitive drive that defines FKT culture—years of training and strategy to break incremental records.

Self-Supported Record
2017
Joe "Stringbean" McConaughy (M)
NOBO — Self-Supported
45d 12h 15m

Historic Achievement

Beat the supported record while running unsupported. Carried own gear and resupply.

Dates

April 6 — May 22, 2017

Context

McConaughy's achievement proves elite runners can compete at record-setting pace without crew support, carrying their own nutrition and gear management.

Notable

Stringbean is known for unsupported FKTs across multiple routes, emphasizing self-sufficiency and minimal resupply.

Unsupported Records
2015
Heather "Anish" Anderson (F)
SOBO — Unsupported
54d 7h 48m

Achievement

Fastest unsupported women's AT FKT.

Dates

May 17 — July 11, 2015

Context

Anderson ran the entire trail unsupported, managing all resupply stops and gear independently while maintaining an elite pace.

Notable

Anish's unsupported time is still impressive compared to supported records, showing the gap between crew-supported and self-managed efforts.

2013
Matt Kirk (M)
SOBO — Unsupported
58d 9h 48m

Achievement

Fastest unsupported men's AT FKT.

Dates

June 11 — August 9, 2013

Context

Kirk's unsupported run required exceptional self-management and planning without external crew support.

Notable

The gap between Kirk's 58d and supported records (40d+) highlights the advantage of crew support in feeding, pacing, and logistics management.

Historical Records
1973
Warren Doyle (M)
First Known FKT
66d 20h

Historic Context

The very first known Appalachian Trail FKT.

Notable

Doyle ran the trail in blue jeans—hiking clothes, not modern trail running gear. Represents the beginning of AT speed hiking.

Achievement

Set the template for what became the most prestigious trail running FKT in North America.

Gap Analysis

Nearly 51 days faster than Doyle's 1973 time, showing 50+ years of equipment, training, and pace optimization.

1991
David Horton (M)
18-Year Record
52d 9h 41m

Achievement

Slashed Doyle's 1973 time by nearly 14 days—a massive progression leap.

Era

Horton's record held for 8 years (1991-1999), a testament to the difficulty of the route.

Context

Represents the professionalization of AT speed hiking in the 1990s.

1999
Pete Palmer (M)
5-Year Record
48d 20h 11m

Achievement

Shaved 3+ days off Horton's time, continuing the record progression.

Era

Palmer's record held for 6 years, showing the AT was becoming a more competitive speed hiking arena.

2005
Andrew Thompson (M)
3-Year Record
47d 13h 31m

Achievement

Thompson narrowed the progression to single-day improvements, showing records were becoming incrementally harder to break.

Note

After Thompson's 2005 record, the next major progression came with Jurek in 2015—a 10-year gap suggesting the pace frontier was harder to push.

Trail Overview

Georgia & Smokies
~400 miles
Springer Mountain to Clingmans Dome. Iconic waterfalls, intense elevation, and early-season snow challenges.
Virginia
~550 miles
Longest state on the AT. Ridge running, cave systems, and the most established trail infrastructure.
Mid-Atlantic
~450 miles
Pennsylvania, Maryland, West Virginia. Rolling ridges, limestone caves, and trail towns with resupply.
New England
~500 miles
Connecticut, Massachusetts, Vermont, New Hampshire. Rock scrambles, exposed ridges, and alpine zones.
Maine
~280 miles
Northern hardwoods and the final push. Mount Katahdin's ascent is notorious for brutal conditions and exposed ledges.
Trail Stats
464,000 ft total elevation gain/loss
~420 ft elevation per mile
NOBO vs SOBO: Different seasonal timing and mud conditions.

Speculation

What's Possible on the AT?
Sub-40 Days Possible?
Tara Dower's 40d 18h 6m puts sub-40 within striking distance. An athlete capable of averaging 55+ mi/day for 40 straight days could theoretically break 40. The bottleneck: human endurance and crew logistics, not terrain.
SOBO vs NOBO Strategy
Historically, NOBO (Springer to Katahdin, April-May) was faster due to earlier starts and better snow/mud conditions. Dower's SOBO win (Aug-Sep) suggests direction matters less than individual athlete capacity and crew efficiency.
Crew Impact
McConaughy's self-supported 45d 12h competes with supported records from 15 years ago. Modern crew strategies (pre-positioned nutrition, minimal stops, optimal pacing) now provide a 3-5 day advantage.
Equipment Evolution
From Doyle's 1973 blue jeans (66d 20h) to Dower's 2024 modern gear (40d 18h), 26 days of improvement over 50 years. Future gains likely measured in hours, not days.
Weather & Conditioning
An elite athlete with perfect weather windows, peak conditioning, and optimal crew could theoretically hit 39-40 days. Record breakers will likely be within 2-3 hours of Dower's time, not days.
Gender Parity
Dower holding the overall record (not just women's) proves women are now competitive at the absolute pinnacle of AT speed running. Future records will likely not separate by gender but by athlete capability.