Mountain race · Japan

Hiroshima Ultra-Trail by UTMB

10–11 April 2027 · Hiroshima

HIROSHIMA 25K: Sun, 11 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 source
6 months to go Use the page to compare course demands, choose the right distance, and build a long runway.

Entry · HIROSHIMA 25K · 2027 edition

Waiting list only

The organizer listed HIROSHIMA 25K 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).

  1. ✓ Registration opens (UTMB Index holders)Tue 18 Aug 2026, 12:00 GMT+9
  2. ✓ Registration opensThu 20 Aug 2026, 12:00 GMT+9
  3. Transfer to another runner untilSun 31 Jan 2027, 23:59 GMT+9

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.

Race Overview

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.

6 months to go
Date
10–11 April 2027
Type
Mountain race
Distances
3: HIROSHIMA 100K, HIROSHIMA 50K, HIROSHIMA 25K
Biggest course
95 km · +5,600 m vert
Cut-off
29 h (18.3 min/km)
Location
Hiroshima, Japan
HIROSHIMA 25K date
Sun, 11 April 2027
Event week
9–11 April 2027
HIROSHIMA 25K entry
Open entry

TrailSplits is a free, independent route & pacing companion — not the official race. Visit the official Hiroshima Ultra-Trail by UTMB site →

Finishing HIROSHIMA 25K earns 1 Running Stone (20K category) toward the UTMB World Series Finals lottery. How Running Stones work.

Racing more than once next year? Add HIROSHIMA 25K to a season and see whether your races work together.

Compare it with other races; no account needed.

Explore the HIROSHIMA 25K course

Inspect the official course track on a topographic map, through its elevation profile, or in 3D.

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Min Max

running direction two lines: out and back on the same path kilometres

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Selected distance

Free training plan — HIROSHIMA 25K

Vert-focused blueprint with route-finder links into the Planner.

HIROSHIMA 25K plan 25 km · 880 m D+

Prepare and return

Save HIROSHIMA 25K to My Races

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

Turn HIROSHIMA 25K into a local rehearsal route

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 35.2 m climb per km.

Race tools — HIROSHIMA 25K

Sun, 11 April 2027

6 months to go

Send to your watch

Load the Hiroshima Ultra-Trail by UTMB HIROSHIMA 25K GPX onto your GPS 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.

Send to watch

Compare your training

Compare your route to the Hiroshima Ultra-Trail by UTMB HIROSHIMA 25K course

See how faithfully your rehearsal route matches the real race. The official course for HIROSHIMA 25K loads as Route A — upload your training route to compare distance, elevation gain, estimated time, and how much of the course you actually cover.

Compare to the course

Course analysis

Analyze the Hiroshima Ultra-Trail by UTMB HIROSHIMA 25K course — every climb

See the HIROSHIMA 25K 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.

Analyze the course

Race-week reminders

Get a nudge before Hiroshima Ultra-Trail by UTMB

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 — frequently asked questions

When is Hiroshima Ultra-Trail by UTMB 2027?

Hiroshima Ultra-Trail by UTMB 2027 races run 10–11 April 2027 in Hiroshima; the HIROSHIMA 25K is on Sun, 11 April 2027. Check the official race site for registration deadlines and final details.

How long is Hiroshima Ultra-Trail by UTMB and how much climbing is there?

3 distances (25–95 km). The longest course is 95 km with about 5,600 m of vertical gain — a demanding mountain course.

What is the cut-off time for Hiroshima Ultra-Trail by UTMB?

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.

Is there a free GPX and course map for Hiroshima Ultra-Trail by UTMB?

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.

How do I train for Hiroshima Ultra-Trail by UTMB?

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.

Is TrailSplits the official Hiroshima Ultra-Trail by UTMB website?

No. TrailSplits is a free, independent route and pacing companion. For registration and official rules, visit https://hiroshima.utmb.world/.

Analyze this route in the Planner

Load the GPX directly into TrailSplits for surface analysis and terrain intel.