Race information 2027

Ultra 125125KM

A long traverse to the heart of Siberia.

Date20 février 2027Saturday

Start03:30Confirmed for 2027

Distance125 kmAnnounced format

Elevation gain+3 900 mRounded elevation gain

Aid stations6 + finish2026 reference

Maximum time24 h 01Finish cutoff

L’expérience 125 km

A long traverse to the heart of Siberia..

The 125 km demands total commitment. The race begins at night, daylight reveals the terrain and every checkpoint becomes a stage on the way to the finish.

Over this distance, managing your pace, nutrition and rest stops will be an integral part of your performance.

Night start
Very long distance
Aid-station strategy

Elevation profile

The terrain.
Before the start.

Explore the terrain and find the checkpoints published by the organisers.

120,022 km · D+ 3 900 m

Race profile

Premium elevation profile

Tap a point or slide your finger along the profile

Distance

120.0 km

Elevation gain

+3 900 m

0–120 km

Distance from the start: —
Elevation gain from the start: —

Race timeline

Checkpoints.

Published aid stations and cutoffs
Checkpoint	Km	Cumulative elevation gain	Cutoff
Start	0	0 m	—
Aid station 1	12,4	515 m	05:59
Aid station 2	27,4	1 173 m	09:00
Aid station 3	63,3	2 262 m	16:10
Aid station 4	81,7	2 821 m	19:51
Aid station 5	96	3 199 m	22:42
Aid station 6	108,5	3 533 m	Day +1 · 01:12
Finish	120	3 874 m	Day +1 · 03:31

Prepare for my race

Before you get started.

Address, access and parking

Start/finish site: Collège de Burnot. Route de Floreffe · 5170 Profondeville Parking & shuttles: Plan in preparation. New parking areas are planned for your comfort and that of local residents.

On site: changing rooms, showers and catering

• On-site showers for men and women. • Lockers for leaving your personal belongings. • Food truck serving food on site. • Bar and spritz/cocktail bar

Schedule and start

Saturday 20 February 2027 Start: 03:30 (Confirmed 2027). The exact start location will be confirmed for this race.

Registration and race bib collection

Registration opens: 1 October 2026. Bib number collection: •Friday 19 February: 16h to 22h •Saturday 20 February: 02h30 to 9h45 Possibility to collect your bib number directly at the TRAKKS store in Jambes (5000 NAMUR) Start area & check-in: Details to follow.

Course, Marking and GPX

Announced distance: 125 km. Reference elevation gain: +3 900 m. The GPX track and marking details will be published after validation of the 2027 course.

Mandatory equipment

Trail & ultra equipment A separate list will be published according to the distance and winter conditions. Regulatory list: To be published. With the 2027 regulations Weather kit: Depending on the conditions. Equipment check: Random & depending on the distance

Aid stations and assistance

Reference aid stations: 6 + finish. The locations and support arrangements will be specified after validation of the course.

Drop bag / Drop bag

One TDLS drop bag is provided per participant so you can prepare your change of clothes and the equipment you will need during the race.

Time limits

Maximum time: 5KM/H or 12.00min/KM

Your runner package

Personalised race bib Official timing: Race time and official ranking. 1 foldable TDLS cup Aid stations: 6 + finish Finisher reward: One Chimay provided and a finisher medal. LiveTracking Drop bag: 1 drop bag Drop bag: 1

Live tracking

Live tracking is automatically included in the registration for this distance, at no extra cost. It allows your loved ones to follow your progress along the course in real time and experience the adventure with you, even from a distance. Your tracking device can be collected just before the start of the race in the designated area. Remember to allow enough time to collect it before making your way to the starting line.

Compare

The other distances.

Trail 3535KM Maratrail42KM Ultra 5252KM Ultra 7575KM Ultra 100100KM The Beast160KM

19 & 20 February 2027

Votre 125 km
starts here.

Registration opens on 1 October 2026.

Be notified when registration opens

Ultra 125 · 125 kmRegister