BIG Roc Marathon - 04.05.2025

108.8km – 2841m +

What?

The Roc Marathon is a certainty on our programme… but for some of our participants it isn’t challenging anymore. And because the beautiful locations in the region are countless, we proudly present you also this year the BIG Roc Marathon.

The 108.8km course is an exceptional challenge and is meant for experienced mountain bikers only. New parts are added and your physical and technical skills will be tested thoroughly.

IMPORTANT: make sure to read the regulations concerning the different start hours and the conditions to participate!

Program

BIG Roc Marathon (Sunday May 4th 2025)

Startwave	Start hour
Wave 1	8:00
Wave 2	8:10

Participation package

Included:

ROC d’Ardenne finisher t-shirt
free insurance (helmet is compulsory, participants without helmet are not insured)
6 provisions at the checkpoints, including sports drinks, water, fruit and snacks
Professional electronic timing
technical service
medical service
a signed itinerary
Secured bike park
Free bike wash
Showers and changing rooms
Delicious La Chouffe at the finish

*Provisions only if you show the official tag!

Course

The detailed courses will be communicated later on.

Supplies

6 feed zones will be provided for the BIG Roc Marathon. The organization will provide sufficient drinks and food for all riders.

These feed zones are accessible with a car without crossing the courses so that spectators or teams can get there.
A plan of the different feed zones of the BIG Roc Marathon will be at the disposal of the riders at the registration area onsite and at the website later on.

Rules & regulations

The Big Roc Marathon will be ridden with a timing chip and a start in waves. The time per rider is calculated according to the net-time principle (from the moment you cross the starting carpet until you finish).

Minimum age: 19 years old (born in 2004 or before).

In case you take part in the Big Roc Marathon with an e-bike, you will be timed but you will not appear in the rankings.

Prize money