You should think about 7 riding, it really makes a big difference and with a arabian horse you can dog fight your way in and out of any shit.
5 ath is enough for a hoplite class as you be a support class when infantry. your still be fairly fast to in light/medium armour.
Strength: 15
Agility: 21
Hit points: 52
Skills to attributes: 2
Ironflesh: 1
Power Strike: 5
Shield: 5
Athletics: 5
Riding: 7
Weapon master: 6
Polearm: 156
anything above 150 in wpf is wasted.