# Marathon events and sponsorships in Japan

> Live situation record from CLSTR: https://clstr.news/situations/marathon-events-and-sponsorships-in-japan
> Updated: 2026-08-26T01:46:03.000Z. Sources: 3. Developments: 2.

Various marathon events and sponsorships are being organized across Japan. The Alps Azumino National Government Park has announced its 13th annual Relay Marathon for September 27, 2026, featuring a 42.195 km loop course and various award categories.

Concurrently, Alpen Co., Ltd. is expanding its marathon sponsorship project to include 18 events nationwide. This initiative, under the ALPEN RUN community brand, covers full, half, relay, and ultra-marathons, utilizing the company’s retail network and membership base to support runners.

## Timeline

### 2026-08-26: Alpen Co., Ltd. expands marathon sponsorship to 18 events in Japan

Alpen Co., Ltd. is expanding its support for Japanese runners by sponsoring 18 marathon events nationwide, including new relay and ultra-marathon partnerships.

2 sources. https://clstr.news/cluster/alpen-co-ltd-expands-marathon-sponsorship-to-18-events-in-japan

### 2026-08-19: Alps Azumino National Government Park announces Relay Marathon 2026

Alps Azumino National Government Park is recruiting teams for its 13th Relay Marathon 2026, scheduled for September 27 in Nagano Prefecture.

2 sources. https://clstr.news/cluster/alps-azumino-national-government-park-announces-relay-marathon-2026

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Cite as: Marathon events and sponsorships in Japan. CLSTR, https://clstr.news/situations/marathon-events-and-sponsorships-in-japan