TRAILGOAT
Skyline Mountain Half, Marathon, 55K — 2026Trail race course25.8mi5,161ftAug 8

Skyline Mountain Half, Marathon, 55K — 2026

Race day · Aug 8, 2026 · by Run the Skyline

Race almanac: 1 year of race-day weather
Plan this race
Course map, elevation profile & surface
Distance
25.8mi
Elev gain
5,161ft
Elev loss
5,948ft
High point
8,701ft
Low point
4,905ft
Effective oxygen
72–84%of sea level
Drawing the course…

Race-day light

In the dark
0%
Sunrise
6:30am
Sunset
8:38pm
Headlamp from
Not needed

For a 5:55 finish (an estimate) · starting 7:00 AM Aug 8. Dark means the sun below civil twilight.

Climbs

2 climbs · 4,874 ft totalbiggest first
Pick a climb to find it on the profile and the map.
Conditions typical race-day weather for Aug 8 at the start
Typical high
82°F
Typical low
58°F
Chance of rain
13%
2025 high
76°F

Typical = the median of 2016–2025 for Aug 8 ±3 days at the start line; a wet day has 1 mm of rain or more. Historical weather from Open-Meteo.

Race almanac 1 year of this race

Past editions

On race day it reached 92°F at the start, with a low of 68°.

YearStart °FHigh point °FRainWindHeat index
2026 Aug 892°/68°82°/54°dry8mph88°

race-day weather from the Open-Meteo historical archive (ERA5) at the start line and the course high point (8,701 ft).

Reviews what runners who have been there say

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About this course

Skyline Mountain Half, Marathon, 55K — 2026 covers 25.8 mi (41.6 km) with 5,161 ft of elevation gain. That is about 200 ft per mile of climbing, and 5,948 ft of descent. The course tops out at 8,701 ft and bottoms out at 4,905 ft. The profile has 2 sustained climbs; the biggest is the climb from mi 0.0, +2,970 ft over 5.9 mi at 9.6% on average (steepest stretch 18%). Race day is August 8, 2026, starting at 7:00 AM; the sun rises at 6:30 AM and sets at 8:38 PM. Typical race-day weather at the start: a high of 82°F and a low of 58°F, with a 13% chance of a wet day. The interactive map above shows the full route with its elevation profile and aid stations, built from the course's GPS file.

Load the course in the TrailGoat Run Planner for grade-adjusted pacing, climb-by-climb splits, hourly weather and a full hydration & fueling plan — free, no account needed.

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Course history

  1. Oct 30, 2026Added to the catalog
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