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Dirty December Trail Run

Dirty December Trail Run2026

20.12.2026San Diego (United States)
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Pacing, fueling and crew sheet for the course you pick

Start line in

 

3 courses · 10–42.2 km · up to 1’067 m D+

3 courses

  1. 10km

    1’067 m D+

    269 m D-

    avg 11%

    10K
    No index
    GPX
  2. 42.2km

    1’067 m D+

    1’157 m D-

    avg 3%

    Marathon
    No index
    GPX
  3. –

    1’067 m D+

    2’276 m D-

    Hill Climb 6HR
    No index
    GPX

Course analysis

51.1 km1’067 m D+

62effort kmⓘ51.1 km on the map · feels like 62 km
D+
1’067 m
D−
2’276 m
Max alt.
1’726 m
Steepest
14%

Segments

Skip the map

Elevation profile: Hill Climb 6HR

395 m — 1’726 m

Race plan

Plan your race from start to finish.

Pacing, aid stations and fueling timed to your effort on Dirty December Trail Run, in one roadbook.

The race

Come join us for some holiday cheer and fun on the trails. Prizes awarded for best costumes (holiday themed or not).

Where to stay

Find a place to stay near San Diego for the race.

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