TRAIL STATUS
English
Race list

Around Toki River Middle 2026

Sun, 14 Jun 2026 · Saitama, Japan · 40.4 km · D+ 2,109 m · 10h time limit

The ~40.4 km course (about 2,109 m D+) of the Around Toki River, held in Saitama, with a 10-hour time limit. 100 places. The next edition had not been announced as of 2026-10-27.

The course

2,109 m of climbing over 40 km (52 m per km).

Estimate your finish from your ITRA index

Estimate (no finisher data for this race)

Enter your ITRA performance index to get an estimated finish time, aid-station splits and cutoff margins. This race has no finisher ITRA data, so it uses the transfer model: your predictions for the 290 races that do have finisher data, scaled by distance and elevation gain (km-effort) — the same calculation as the TRAIL STATUS app. Nothing is saved or sent.

The app adds predictions from your training log (Strava), race-day pacing and more. Free, no sign-up.

Predict in detail from my Strava training

Overview

Date
Sun, 14 Jun 2026
Start
09:30
Location
Saitama, Japan
Distance
40.4 km
Elevation gain
2,109 m
Time limit
10h
ITRA
M
Official website
npo-sup.org/blog/event/atr_vol04

Elevation profile

No elevation data yet.

Aid stations and cutoffs

#DistanceAid stationSegmentCutoff
111 kmAid 1飯盛峠11 km13:153h 45m
218.5 kmAid 2県民の森7.5 km14:305h
324.5 kmAid 3堂平天文台6 km15:406h 10m
430.3 kmAid 4慈光寺5.8 km17:157h 45m
F40.4 kmFINISH10.1 km19:3010h

The small figure under each cutoff is the time from the start.

Other races

From your training log, TRAIL STATUS estimates your finish time, aid-station splits and cutoff margins for this race.

Predict my race

Race information as of 2026-10-27

Compiled from each race's official information. Details can change, so always check the race's official website for the latest. Spotted a mistake? Please tell us through the contact form.
TRAIL STATUS · FAQ · Privacy policy