SM
Jun 28, 2026
Full Marathon, Ultra Marathon
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Lake Saroma 100km Ultra Marathon
Race director: Jiro Hashimoto 2-4-12 Jingumae, Sibuya-ku, Tokyo 150-0001 Tel: 81 3 5771 7907 Email: saroma@runners.co.jp Facebook: http://www.facebook.com/saroma100km Information believed correct at time of publication (Fri, 20 Mar 2026 15:26:11 +0000). Please confirm details with race organisers before booking arrangements.
Verified listing
Source: AIMS/ICS
Updated this week
Official registration linked
Race facts
Core planning details from the race record.
- Race date
- Sunday, Jun 28, 2026
- Location
- Japan
- Distance
- Full Marathon, Ultra Marathon
- Price
- Price not published
- Registration
- Official registration linked
- Organizer
- Organizer not listed
Distances
Full marathon
Ultra
Planning timeline
- Registration opens
- Not published
- Registration closes
- Not published
- Race day
- Sunday, Jun 28, 2026
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