My "Irish Horse" is also a "Thoroughbred Cross" so I'm not sure which to choose. She's very much a sum of her parts, both Irish and TB. A good mix of the best of both parents, not very much of the worst.
I've got a Trakehner that's 3/4 Trak x 1/4 TB that's to die for (well, I think so, anyways ). I know people say that Traks are hot and silly, but this is my second - I had a mare who was 1/2 Trak and 1/2 Hanoverian - and they've both been laid back, easy-going ponies.
"Opportunity is missed by most people because it is dressed in overalls and looks like work." - Thomas Edison
So, the Zen Buddhist says to the hotdog vendor, "Make me one with everything."
TB all the way... though I secretly covet an eventing Morgan!!!
I've got the best of both worlds...a TB/Morgan cross! He's such a cool little guy...puts a huge smile on my face every time I ride him! I've just started him over fences and look forward to taking him to his first horse trials later in the season. So far, he thinks jumping is the greatest thing since sliced cheese! He's having so much fun with it!
If I had to choose one breed to event it would always be a TB or a mostly TB cross. However......I have a big love of Irish horses. My big gelding looked all irish, but was actually 3/4 TB 1/4 Irish....noone would ever guess.
"Animals can sometimes take us to a place that we cannot reach ourself"
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eventer mi, they are, they are! I have a full Trak gelding who's an awesome event horse. My trainer (a TB person through and through) who competes him exclaimed after their first x-country phase, Wow, I didn't know a warmblood could have a gallop like that!
I evented (and won) through Prelimin on two different WONDERFUL
Appies - one 16 hands and the other 16.3. Maybe they were exceptions, but I never worried about a course when riding those horses. The one on which I won at Prelim had gone Intermediate with a previous rider and was both were probably capable of advanced under the right rider (not me!), though the first - the 16-hand-er, was probably lacking in the speed department if he were to go Advanced.
3/4 TB 1/4 WB cross. TB stallion(light on top) on WB/TB mare(heavy on bottom). I think(FWIW) that 3/4 TB is easier to get and keep fit and the WB portion has the advantage of being selectively bred(depending on the breed and bloodlines) for some of the characteristics we look for in eventing-scope, ridability,etc. It's a bit harder to know TB lines because the data used to only apply to racing success-although there are many very knowledgeable posters here that can steer you in the right direction on TB lines and eventing success! I do wish I had the money to put my theory into practice.....