Course section
The Roots
0.0 – 0.6 mi · 95 to 700 ft — the mountain begins
Distance
0.0 – 0.6 mi
Elevation
95 – 700 ft
Gain
+605 ft
Character
Roots, brush, steep dirt
The first half-mile of Mount Marathon is deceptively tough — a sprint through Seward's streets gives way to the base of the mountain where tree roots, tangled brush, and steep loose dirt define the opening climb. The section name comes literally from the tree roots that lace the trail. Elite runners use this section to establish position before the technical terrain begins.
From the start line
The race starts at 4th Avenue in downtown Seward and runners sprint flat for a short stretch before hitting the mountain base. The transition from pavement to steep mountain terrain happens abruptly — pace and positioning matter in these early seconds.
The actual roots
The lower mountain is forested with spruce and alder, and the trail surface is a mix of exposed tree roots, loose soil, and wet vegetation. Footing is tricky at race pace — racers who trip here lose precious time before the technical sections above.
Where to watch as a spectator
The street sections near the start are packed with spectators. The first few hundred yards of the mountain base are also accessible to viewers — look for the surge of runners hitting the mountain and the first gasps of effort as the climb begins.
Pro tip
As a spectator, position yourself at the transition from street to mountain — you'll see the entire field compress into single file as the trail narrows. It's chaotic and exciting.
Other course sections
The Cliffs
0.82 – 1.02 mi · 1,450 to 2,050 ft — hands required
The Gut
1.02 – 1.25 mi · 2,050 to 2,550 ft — where runners break
Race Point
1.55 mi · 3,022 ft — the turnaround at the top
The Scree Run
1.55 – 2.0 mi · 3,022 to 1,250 ft — what people remember
The Chute
2.0 – 2.25 mi · 1,250 to 600 ft — mud, water, and the final drop