2020sat18aprAll DayWellington Boot100 km(All Day: saturday) Wellington Rugby Football Club, Corams La, Wellington TA21 8LLRegion:South West

2020sat23may7:00 amLondon 2 Brighton Full Challenge100 km7:00 am Richmond, LondonRegion:London

2020sat20jun7:00 amNorfolk 100km100 km7:00 am Bailey Gate, Castle Acre, King's Lynn PE32 2AFRegion:East Anglia

2020sat04julAll DayRace to the Stones100 km(All Day: saturday) LewknorRegion:South Central

2020sat04jul7:00 amHam & Lyme 100k100 km7:00 am Lyme Regis, Dorset Region:South West

2020fri10jul10:00 pmSaint Cuthbert's Way Ultra 100km100 km10:00 pm Melrose Rugby Club, The Greenyards, High St, Melrose TD6 9SARegion:North East

2020sat11jul12:00 amUltimate Trails Challenge 100km110 km12:00 am Rothay Park, Ambleside, LA22 9DGRegion:North West

2020sat15aug7:00 amSVP100100 km7:00 am Memorial Hall, High Street, Newmarket CB8 8JSRegion:East Anglia