Mount Marathon and Skyline Trail Loop
Mount Marathon and Skyline Trail Loop
4.9
(5114)
12,145
runners
01:31
6.42km
820m
Running
Prepare for a difficult jogging challenge on the Mount Marathon and Skyline Trail Loop. This route covers 4.0 miles (6.4 km) and demands a significant 2689 feet (820 metres) of elevation gain, typically taking 1 hour and 31 minutes to complete. As you climb, you will pass through a lush…
Last updated: April 23, 2026
Waypoints
Start point
Get Directions
20 m
Highlight • Trail
779 m
Highlight (Segment) • Trail
4.15 km
Highlight • Summit
4.22 km
Highlight (Segment) • Climb
6.42 km
End point
Way Types & Surfaces
Way Types
5.05 km
1.35 km
Surfaces
5.05 km
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Elevation
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Weather
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Today
Thursday 7 May
7°C
3°C
49 %
Additional weather tips
Max wind speed: 18.0 km/h
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This route was planned by komoot.
The full loop, which includes the Skyline Trail, is a challenging route. For jogging, it's estimated to take around 1 hour 30 minutes, but this can vary significantly based on fitness level and conditions. Hikers should plan for several hours, especially given the significant elevation gain and varied terrain.
This trail is rated as 'difficult' for jogging. It requires very good fitness and sure-footedness due to its steep sections, varied terrain, and significant elevation gain. While the 'hiking trail' option is more moderate than the extreme 'Race Route', it remains a physically demanding endeavor.
The trail typically starts at the Mount Marathon Trailhead in Seward, Alaska. Parking information isn't explicitly detailed, but it's generally accessible from the town. The ascent often begins with the 'Jeep Trail'.
While specific regulations for dogs are not provided, trails in this region often allow dogs on leash. However, given the presence of wildlife like moose and bears, and the trail's challenging nature, caution is advised. Ensure your dog is capable of handling the strenuous terrain and always keep them leashed for their safety and that of wildlife.
The trail is most accessible and enjoyable during the warmer months, typically from late spring through early fall. The famous Mount Marathon Race takes place every Fourth of July, indicating that summer is a prime time. Be prepared for potentially wet conditions, especially in the temperate rainforest sections.
There is no mention of permits or entrance fees required for the Mount Marathon and Skyline Trail Loop. It appears to be freely accessible to the public.
The terrain is highly varied and challenging. You'll start on the 'Jeep Trail' through a lush, mossy temperate rainforest, which can be steep and wet. This transitions to the 'Bench Trail,' which can also be brushy and wet. The Skyline Trail section involves a brief downhill before arcing up a ridge to Race Point. Expect steep, rocky, and potentially muddy sections throughout.
As you ascend through the temperate rainforest, it's possible to encounter moose or bears. Higher up, in the alpine meadows, you might spot mountain goats. Always be aware of your surroundings and carry bear spray if recommended for the area.
The trail offers breathtaking panoramic views. From higher elevations, you'll be rewarded with sweeping vistas of Resurrection Bay, the town of Seward, and the Gulf of Alaska. The 'bowl' area, a glacial valley below the mountain's north face, is particularly stunning. Race Point, a false summit, also provides excellent views.
Yes, the route incorporates sections of the Skyline Trail (49%) and the Mount Marathon Trail (48%). It also briefly touches upon the Two Lakes Trail (2%).
Given the trail's difficulty and varied conditions, it's crucial to bring plenty of water, appropriate layers for changing weather, sturdy trail running shoes or hiking boots with good grip, and navigation tools. Bear spray is also recommended due to potential wildlife encounters. Allow several hours for completion.