imo 3 race combos you can choose or even 4.
thur-kallard 30old max size, 25%damage bonus, 205hp. 85dex (?) best damage and hp, but slow on foot
thur-khur-sido 26old max size, 23%damage, 93dex , 238speed on foot. *** most universal ***
huergar-huergar 30old, min or max size, upto18%bonus, 78dex, 200hp, slowest and weakest - but bestMA+mc

skills :
riding 100
balance 100
mounted combat 100
axes or swords(if you're hipster) 100
athletics 100
combat manouvering 100
armor training 100
heavy armor training 100
anatomy 100
creature control 72 (for 61pp 125bull)
veterinary ~100
defensive or potion utilization or archery+MA .