The Event

The online entry database is CLOSED.

School Location

To be confirmed nearer the day of the event.

Arrival

Team managers will be sent team numbers and start times by email. We will also send a “checking in time” to help control the flow of teams through the registration process. Please follow the C20 signs to the venue and registration.

Registration

Please check in as a complete team on arrival. You will be issued with your identity wristbands, containing your team number and individual team letter, emergency contact and a bar code for scanning at checkpoints.

Team member changes can be made prior to the event by logging on to the online entry database up until 22:00 hrs on 3rd October 2026. Any late changes can be made at registration.

Team managers will need to confirm that their participants are competent to take part in the event.

It is the team manager’s responsibility to ensure that all participants are aware of the rules and that they are aware of their team name and number, their team leader, shown as “A” on the entry form, that the two chosen mobile phones being carried by each team are switched on, and where they are on the map.

Participants need to be aware that any adult walking with the team is not the team leader and is simply walking with the team for safety purposes.

Starting Times

These times will be available on the website nearer the day of the event.

Meals

A snack meal will be provided to all participants from 17:00 hrs. This will consist of a jacket potato with a choice of cheese, beans and/or tuna (participants can choose between one, two or all three of these options) and a drink. Team managers will need to click on a box for each participant’s choice of food and details of any allergies and medical conditions.

Emergency Telephone Number

The emergency number for Central Control is 07960 282626. Please ensure that your Home Contact has this phone number which will be operational from 07:00 Saturday 17th October 2026. The alternative contact number is the event secretary 07889 804726.

The Challenge

All teams will be briefed on basic navigation awareness before they start. Teams will start in numerical order from 08:00 hrs onwards, with two teams departing every three minutes. Teams participating in the senior event will leave first, followed by teams participating in the junior event. Teams will be provided with a set of six figure map references at the start. These map references correspond to checkpoints, which teams need to visit in order. There is no designated lunch break, and participants can decide when they eat their own packed lunch. Checkpoints will provide cold drinks but no food.

Supporters

Supporters can collect the list of checkpoints from the Information Desk after the last team has departed. Supporters will be unable to visit some of the checkpoints as they will be situated along narrow tracks.

Presentation

The presentation of trophies will commence at the venue at 18:00. Finishing teams will have their certificates posted to the team manager after the event. Only finishing teams that consist of the same participants that started will receive a finishing time, a placing and qualify for a trophy. Incomplete teams will receive a finishing time but not a placing.

In case of a fire

If you discover a fire, sound the alarm, alert a Chiltern 20 official and call the fire services (or ensure someone does).

On hearing the alarm proceed to the nearest fire exit and make your way to the fire assembly point outside the building

Once outside at the assembly point give your name to the official on duty

The Chiltern 20 organisers will appoint fire wardens who will patrol the School and take charge in the event of a fire. Please follow any instructions they give.

Safety on Site

For your safety and the future of the event please observe the following whilst on the School premises:

  • No smoking anywhere in the School or anywhere on site
  • Fire Exits must be kept clear
  • Do not obstruct doors or gangways
  • Do not obstruct or tamper with fire fighting equipment
  • Familiarise yourself with the fire evacuation procedure