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OSJ ONTAKE100

OSJ ONTAKE100 — 100 Mile

Otaki, Nagano, Japon

Check the rules, cutoffs and services of the edition being run with Outdoor Sports Japan.

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157kmDistance
+4,097mElevation
4,097mD−
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Mount Ontake seen from Mount Kyo, the massif at whose foot OSJ ONTAKE100 takes place.
Photo:AlpsdakeCC BY-SA 3.0 · adapted image

Route reference

Prepare the OSJ ONTAKE100 — 100 Mile route

The OSJ ONTAKE100 — 100 Mile Trace organisateur 2026 page brings together published data for this running route.

The route is listed from Otaki, Nagano, Japon to Otaki, Nagano, Japon, with 157.3 km and 4,097 m D+ on the page.

Listed organiser: Outdoor Sports Japan / PowerSports.

Start / area
Otaki, Nagano, Japon
Finish
Otaki, Nagano, Japon
Edition
Trace organisateur 2026
Distance
157.3 km
Elevation gain
4,097 m D+

GPX track and calculated values

Calculated values for this track: 157.1 km of distance calculated from the GPX track · 4,709 m ascent calculated from GPX elevations.

These track measurements remain separate from the organiser's figures and depend on the GPX version and sampling.

  • Source-page value: 160 km; distance calculated from the GPX: 157.1 km.

Sources reviewed

Official sources: 1 · sources with a recorded review date: 1. Updates from the organiser always take precedence.

Latest recorded check: 17 September 2026.

Frequently asked questions

Is the OSJ ONTAKE100 — 100 Mile GPX available?

Yes. The track and its profile can be viewed here, and the file is available as a free download from this page.

Do these details replace the organiser's instructions?

No. This page makes sources easier to consult and separates published data from GPX calculations. Check the latest official instructions before the start.

Other catalogue routes

Reviewed information

Preparation and points to check

Differences and information still uncertain

These items are shown explicitly so an approximation is never presented as official data.

  • The 157.299 km, +4,097.4 m and -4,097.4 m are calculated from the official 2026 GPX. Intermediate point labels are not imported without a verified organiser publication.

Check the information

Sources and provenance

These links point to the documents used. The organiser's instructions remain authoritative if they change.

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