Whitcoombe House Stables is set at the foot of the impressive Lambourn gallops in a peaceful and secluded area of an historic training centre known as The Valley of the Racehorse.

Here we offer first rate facilities both on the gallops and at our stables and have a friendly, experienced team of staff to assist the trainer in giving owners the best chance of an enjoyable and successful racehorse ownership experience.




Jonathan Portman is a hands on horseman with worldwide experience and has been training flat and jumping racehorses since 1998.

Formerly as an amateur rider he rode winners of flat in France and jump races in England. He was also closely involved in the training of point to pointers and Arabians, riding them with great success.

Prior to training, Jonathan was assistant to Breeders Cup winning trainer Jonathan Pease in Chantilly, France and to Derby winning trainer Luca Cumani in Newmarket. He also worked in Australia and the USA.

Winner @WindsorRaces thanks to 2yo Enochdhu for owner Julia Scott. @rob_hornby18 . Well done to all involved #whitcoombewinners11 hours ago
RT @Racing_Results_: 14:37 @WindsorRaces🥇 Enochdhu 10/3 🥈 Sydney Mews 9/2A Win for @jportmanracing and @rob_hornby18#HorseRacing #Res11 hours ago
RT @StoweRacing: A very well done from our men @jportmanracing & @rob_hornby18 in steering home Uffington to finish a commendable 🥉 in the…2 days ago
Thanks to @Tattersalls1766 for their hospitality @NewmarketRace today for all the participants in their sales race. These races are so important for bread and butter owners and give them a chance of some proper reward. Congrats @LaurenceBellman winning the big prize.2 days ago
Thanks to the staff ⁦@Tweenhills⁩ for their time at a recent visit. Seriously impressive and professional operation. Sorry not to see Zoustar but Havana Gold, Lightening Spear, Kameko looking good. Got to take a puppy home too! https://t.co/oDRSIm2igk1 week ago
Another 2yo winner! Enola Grey @ponteraces for @WindsorHouseLam @stottKevin . Thanks to all involved. @MarkGrantRacing @WhitsburyManor @PumpTechLtd #whitcoombewinners2 weeks ago
RT @ponteraces: Enola Grey asserts in the closing stages to justify favouritism in the Irish Stallion Farms @IrishEBF_ Fillies' Nursery Han…2 weeks ago
RT @Racing_Results_: 16:38 @PonteRaces🥇 Enola Grey 7/4A Win for @jportmanracing and @StottKevin#HorseRacing #Results https://t.co/zuv…2 weeks ago
RT @WindsorHouseLam: Enola Grey wins for @jportmanracing for yet another Havana Grey winner @WhitsburyManor happy days2 weeks ago
RT @JimStewart_2202: Double on the day for @jportmanracing as Bonnsie wins the 7:00 @kemptonparkrace ridden by Christian Howarth Well done…3 weeks ago

2yo filly Enola Grey won the 8f fillies nursery for owner Mary Ann Parker under jockey Kevin Stott. This was her first try over the further…

We welcomed 100 or so owners to a delicious lunch provided by Quinton’s Caterers, beautifully organised by Sophie, in some very welcoming ea…

Two year old fillies Hill Cove and Bonnsie  both win at Kempton. Hill Cove was having her first start for us having joined us from the recen…

If you’re interested in having a horse in training with Jonathan, please get in touch...