Chesterfield, United Kingdom
Saturday, September 5, 2026
Distance
Climb
Start Time
Cutoff
Terrain
Difficulty
Max Runners
The Rasselbock Backyard Ultra Hardwick starting on 5 September 2026 is based in the stunning grounds of Hardwick Hall Estate in Chesterfield. A Backyard Ultra is a form of ultramarathon race where competitors must consecutively run a 6.71km / 4.16 mile course every hour, on the hour, until there is only one person left standing.
Stunning grounds of Hardwick Hall Estate
Mix of estate trails and farmland
Start / Finish
Hardwick Hall Estate
Hardwick Hall Estate
Terrain
Route
Getting There
Race Day
What to bring
trail shoes
What you get
Finisher medal
DNF memento
winners trophy
furthest male/female trophy
support crew area
tent area
On the day
Toilets
Marshals on course
First aid on course
Water on course
Before you enter
Other questions
A Backyard Ultra is a form of ultramarathon race where competitors must consecutively run a 6.71km / 4.16 mile course every hour, on the hour, until there is only one person left standing.
Spectators are likely welcome at Hardwick Hall Estate. Check the event website for details.
The course is at least 4.16 miles. Runners must be in the starting corral when the bell rings. Each loop starts exactly 1 hour after the last. No non-competitors on course. No artificial aids. Slower runners must allow faster ones to pass. If no runner can start one more loop than anyone else, there is no winner.
The route is 4.16 miles (6.71km) through estate trails and farmland. Preliminary elevation 69m (226ft). Route may change per National Trust.
If venue closes due to high winds, a new date will be found. If you cannot attend, deferral to another event is allowed.
Chesterfield, United Kingdom
Saturday, September 5, 2026
Are you the organiser of Rasselbock Backyard Ultra - Hardwick?
We made a start. You make it yours.Claim this raceMore races like this one
€132
entry feeRace finished
