Course
A single 4.16-mile (6.71km) loop of the Hardwick Hall Estate, repeated on the hour from a fixed starting corral. The lap mixes estate trails, woodland and farmland tracks with small amounts of tarmac, and climbs about 69m each time round.
Key dates
- ·RegistrationNot open yet
- ★Race daySeptember 2027 · date to be announced
About
Explore the stunning grounds of Hardwick Hall Estate in Chesterfield at the Rasselbock Backyard Ultra. This unique running event challenges participants to complete laps of an undisclosed course, with the last runner standing declared the winner. Runners of all abilities are invited to test their limits in this captivating backyard-style ultramarathon.
Save Rasselbock Backyard Ultra - Hardwick to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
-
Longshaw Sheepdog Trials Fell Race
Fell race run alongside the Longshaw sheepdog trials
-
Dartmoor in a Day Ultra
Rolling hills and windswept moorland across Dartmoor
-
Guilden Sutton 10K
Cheshire Grand Prix road 10K near Chester
-
Flying Monk Malmesbury 10K
1.5km along the Fosse Way, Britain's oldest Roman road
A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.