Mountain race · Japan
10–11 April 2027 · Hiroshima
HIROSHIMA 100K: Sat, 10 April 2027
A Japanese UTMB World Series event on the forested granite hills and ridge trails around Hiroshima.
2027 dates confirmed
Event and distance dates were checked against the organizer schedule.
Date sourceEntry · HIROSHIMA 100K · 2027 edition
The organizer listed HIROSHIMA 100K with a waiting list on 30 Sep 2026. A waiting-list place is not a confirmed entry.
Other routes the organizer lists: Waiting list (organizer's form on the home page).
Subscribe to these entry dates (updates when the organizer's dates change and we recheck them) · Download .ics. Separate from any training calendar; remove it any time in your calendar app.
From the organizer's page, checked 30 Sep 2026. TrailSplits does not know whether you have a place; the organizer is the final word.
Hiroshima Ultra-Trail by UTMB is a mountain race scheduled for 10–11 April 2027 in Hiroshima, Japan. TrailSplits currently includes 3 mapped courses for this event, with course maps, elevation profiles, weather context, and pacing tools for the uploaded GPX data.
How to get a place: First come, first served for the April 2027 edition: UTMB Index priority entries opened 18 August 2026 and general entries 20 August 2026; all three distances are now sold out. Organizer's page, checked Wednesday 30 September 2026.
TrailSplits is a free, independent route & pacing companion — not the official race. Visit the official Hiroshima Ultra-Trail by UTMB site →
Finishing HIROSHIMA 100K earns 3 Running Stones (100K category) toward the UTMB World Series Finals lottery. How Running Stones work.
Racing more than once next year? Add HIROSHIMA 100K to a season and see whether your races work together.
Inspect the official course track on a topographic map, through its elevation profile, or in 3D.
› running direction two lines: out and back on the same path kilometres
Selected distance
Vert-focused blueprint with route-finder links into the Planner.
Other distances
Prepare and return
Keep this course, its training plan, calendar and future course updates together in your private My Races page. Saving does not publish your workouts, pace or progress.
Race route lab
Open the official course in Planner, then choose a nearby start point to build a shorter loop that matches the course demand. This course averages about 58.9 m climb per km.
Sat, 10 April 2027
Send to your watch
Get the official course as a clean GPX or a Garmin TCX course, with step-by-step instructions to load it onto a Garmin, COROS, Suunto, Wahoo, or Komoot — free, no account needed.
Compare your training
See how faithfully your rehearsal route matches the real race. The official course for HIROSHIMA 100K loads as Route A — upload your training route to compare distance, elevation gain, estimated time, and how much of the course you actually cover.
Course analysis
See the HIROSHIMA 100K course broken into its major climbs and descents in order — length, gain, average grade, and steepness — so you know where the crux is and how to pace and fuel it.
Race-week reminders
A free browser notification in the final week — the course crux, the weather window, and loading the GPX onto your watch. No app, no email, no account.
Hiroshima Ultra-Trail by UTMB 2027 races run 10–11 April 2027 in Hiroshima; the HIROSHIMA 100K is on Sat, 10 April 2027. Check the official race site for registration deadlines and final details.
3 distances (25–95 km). The longest course is 95 km with about 5,600 m of vertical gain — a demanding mountain course.
The HIROSHIMA 100K course has a 29-hour cut-off, an average of 18.3 min/km to finish in time. TrailSplits' cut-off pacer shows the buffer at each aid station.
Yes. TrailSplits gives you the course map, an interactive elevation profile, a 3D flyover and a downloadable GPX for every mapped distance — free and with no sign-up.
Each distance has a free, course-specific 16-week training plan built around its distance, vertical gain and cut-offs, plus a pace and cut-off calculator.
No. TrailSplits is a free, independent route and pacing companion. For registration and official rules, visit https://hiroshima.utmb.world/.
Load the GPX directly into TrailSplits for surface analysis and terrain intel.