Moo-Rathon, Calf and Hen K

Buntingford, United Kingdom • 13 Mar 2027

Moo-rathon, Calf and Hen K - Hyde Hall Farm

The Moo-rathon, Calf and Hen K is a trail running event at Hyde Hall Farm, Buntingford, SG9 0RU. The venue is self-contained with exclusive use of the main area and a base camp from which the route starts and loops through the farm grounds and surrounding open space.

Distances

  • 10k
  • Half Marathon
  • Full Marathon
  • Ultra Marathon

A heavy half marathon is set as five laps by default, with the option to change to six or seven laps on the day. The ultra marathon is nine laps by default, with the option to increase up to twelve laps depending on time available. The event uses time cut-offs, including a six-hour overall cut-off and a four-hour cut-off for later starts.

The course mixes trail, grassland and some tarmac paths. There is a water aid station at the lap point. Parking is included and secure on site, with an attendant to direct vehicles and to point runners toward number collection. A baggage area is provided for warm clothes and shoes. Finishers receive a bespoke event medal or, where available, a lucky dip from previous medals. The event is cupless, so participants should bring cups or bottles for refilling. Entries close 48 hours before the event. Visit the organization's website for the most recent information.

Race information

Marathon
Full Marathon
Half Marathon
Heavy Half Marathon
Half Marathon
Half Marathon
15 km
15k
10 km
10k
Ultra Marathon
Visit the organization's website for the most recent information.
Trail runs nearby

A low-key Category A fell race inside the M25 held on 19 June 2026, with multiple climbs around Yardley Valley and a finish on Pole Hill overlooking the Lea Valley. Entry is via SPOND and carries a £5 fee.

A 21.2 km trail half marathon at Dunstable Downs on 21 June 2026 featuring 450 m of ascent, marked trails, two aid stations, route downloads, and a 250 runner limit.

Circular cross country event from Baldock offering 26 and 18 mile routes across grassland, fields and woodland with checkpoint refreshments and a finish certificate. Minimum age 14 and entries close 13 June or when the 175 limit is reached.

Trail races in Trent Country Park, Enfield offering 2 km, 4.5 km and 10 km distances. The senior race is chip timed and run under UKA rules while junior and fun races have additional marshals.

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