Experience the enchanting beauty of Grimsthorpe Castle and its sprawling estate with an array of challenging courses that cater to runners of all levels, from casual joggers to seasoned ultramarathon enthusiasts. The centerpiece is the stunning 10-mile route, which weaves through ancient woodlands brimming with wildlife, along disused Victorian railways draped in ivy, and around a tranquil lake reflecting the castle's grandeur. For those seeking an extra challenge, there are longer distances available, including the grueling 100-mile ultra marathon. The night race offers runners a unique experience under starlit skies as they navigate through the estate's winding trails and historic landscapes. Whether you're running solo or part of a team, each event promises breathtaking scenery and unforgettable moments amidst one of England’s most captivating estates. Join us to immerse yourself in nature while pushing your limits on meticulously crafted courses that highlight Grimsthorpe Castle’s rich history and natural splendor. Grimsthorpe Race events showcase the beauty and diversity of this historic estate, blending stunning scenery with challenging terrain for an experience that runners will cherish long after crossing the finish line.
Races Offered
100 Miler
May 29, 2027
straighten
Distance —
160.9K
terrain
Type —
Running
timer
06:00
sell
£60.00
70 Miler
May 29, 2027
straighten
Distance —
112.7K
terrain
Type —
Running
timer
06:00
sell
£140.00
40 Miler
May 29, 2027
straighten
Distance —
64.4K
terrain
Type —
Running
timer
07:00
sell
£90.00
10 Miler - Day
May 29, 2027
straighten
Distance —
16.1K
terrain
Type —
Running
timer
09:00
sell
£35.00
10 Miler - Night
May 29, 2027
straighten
Distance —
16.1K
terrain
Type —
Running
timer
20:00
sell
£35.00
Weather History
These values represent the 3-year monthly averages for May in Grimsthorpe.
thermostatTemperature
8.5° / 17.0°
wb_sunnyFeels like
5.5° / 13.9°
light_mode
Avg sunshine hours
10h 25m
water_drop
Avg rainfall
1.7 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
13.6 km/h (Gentle breeze)
opacity
Sweat loss rate
Low
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Moderate (4.2)
humidity_mid
Humidity
76.7%
wb_twilight
Sunrise
05:03
nightlight
Sunset
20:52
About Grimsthorpe
Learn more about the host city, Grimsthorpe.
Grimsthorpe is a hamlet in the South Kesteven district of Lincolnshire, England. It is situated on the A151 road, and 3 miles (5 km) north-west from Bourne. Grimsthorpe falls within the civil parish of Edenham, which is governed by Edenham Grimsthorpe Elsthorpe & Scottlethorpe Parish Council.
