 It runs the Middlesex RFU Senior Cup open to the top 8 Middlesex clubs that play between tiers 6-7 of the English rugby union system.It also runs the Middlesex RFU Senior Bowl and the Middlesex RFU Senior Vase for sides from lower down the pyramid.It helps run the Herts/Middlesex 1 (tier 9) and Herts/Middlesex 2 (tier 10) leagues.