Chiltern Hills Backyard Ultra

19 September 2026 - 20 September 2026
High Wycombe, uk
YOUR RATING:
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trail race
160 KM
2 days
100 Runners
Difficulty:    Advanced
ENTRY FEE:    98 gbp

Welcome to the inaugural Chiltern Hills Backyard Ultra. Hosted exclusively in the Bradenham Estate within the Chiltern Hills AONB, run through pretty wildflower meadows and beech woodland with sweeping views across the valley. The backyard ultra is a 4 mile (6.7km) loop with 162 ascent. You will need to complete the lap in less than 1 hour before having to do your next lap. If you can’t make the start line for the next lap, you are out of the race. Complete 24 laps and you have run over 100 miles, anyone who makes the final lap is in for the final showdown with the timer stopping at the 24 hour mark. This race will go through the night, expect a welcoming atmosphere!

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Event Organiser

Frederick Newton

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Global - Virtual

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A virtual race which can be run at any time shown on the dates shown, on any type of terrain in any country.

Suitable for

For runners from beginners to experienced as you choose your own course and challenge based on the guidelines and options set by the virtual race organiser.

Endurance - Multi-activity

Elevation

An ultra distance race including at least two of the following activities such as running, swimming, cycling, kayaking, skiing and climbing. It may also include different climatic conditions (eg ice, snow, humidity, cold water, mud or heat).

Suitable for

Experienced multi-skilled athletes who have trained for the different activities included in this event. Admission to these races may be subject to receipt of a recent medical examination certificate. Check with the race organiser regarding entry requirements and any specialist equipment required such as a wetsuit, skis or a mountain bike.

Brutal

Elevation

Increase of up to 2000 metres with very challenging climatic conditions (e.g. ice, snow, humidity, heat or at high altitude)

Suitable for

Very experienced long distance ultra runners (min 3 years’ experience) or are doing regular long distance running (>50 miles) with elevation and conditions shown (where possible). Admission to these races is often subject to receipt of a recent medical examination certificate. Purchase of specialist kit is often recommended for these races.

Expert

Elevation

Increase of up to 2000 metres with some challenging climatic conditions (e.g. ice, snow, humidity or heat)

Suitable for

Experienced runners who have completed at least 4 ultras in last 12 months, or are doing regular long distance running (>50 miles) with elevation and conditions shown (where possible). Admission to these races may be subject to receipt of a recent medical examination certificate. Check with the race organiser regarding entry requirements.

Advanced

Elevation

Increase of up to 1500 metres

Suitable for

Runners who have completed several ultra distances or similar events, or are doing long distance running regularly, with elevation shown.

Intermediate

Elevation

Increase of up to 1000 metres

Suitable for

Runners who have completed at least one ultra in last 6 months or are doing long distance running (>26 miles) regularly, with elevation shown.

Beginner

Elevation

Very little change < 500 metres

Suitable for

First ultra event. Runners completing a marathon or doing regular long distance running (>26 miles) in the last 6 months.