Let's toss in my 2c...
As per cannon, use of Creo Corpus can only improve up to the maximum quality of the human body, so would only be able to alter the target up to a +5 in Stamina, Quickness and Dexterity. It won't grant the target any knowledge or athletics ability so the improvement will be limited even if only temporarily.
Muto Corpus is the way to grant ability beyond what the human body can do and existing spells have already been mentionned.
I believe we can go one step further with the Rego Corpus guideline mixing with MuAn guidelines ...
MuAn 25 (base): Grant an animal a "magical" ability... (requires a requisite for the ability).
ReCo 10 (base): Transport the target instantly up to 5 paces.
... mix, shake, stir...
The 50 Paces Stride (Mu(Re)Co 45: base 25 (grant a magical ability) + 1 for Rego requisit, +1 Touch, +2 Sun).
Grants the target the ability to move by 5 paces each time the target step forward.
Teleportation spells suffers from the flaw that unless enchanted in an item, it cannot be easily recast (unless with an Arcane connection and a spell invented with Arc range or the target is the mage itself). This spell would grant the ability to the target to basically move 5 times faster until the end of the spell (considering that a normal walk is about a pace/meter per second), allowing to go back and forth, without further casting. By walking normally, the target is already moving at ~18 km/hr, running at a gentle pace (~10 km/hr) will allow her to reach 50 km/hr easily, up to 100 km/hr for marathon-fit target. However, these speeds are achieved by runners who don't carry anything, have modern sportswear and have smooth, leveled roads.
I recognize that this spell is entering the area of much fuzziness since altough there is one guideline about granting magical ability (that I am streching from animal to human), there are no example on how to estimate the final spell level between the effect of granting an ability and the level itself of the ability. In this case, considering the level of TP spell and the 50 Paces Stride level, it seems within the right range. However, I would not know how to adjudicate if the ability granted was following the ReCo15 (50 paces). Would it simply bump it up by one magnitude ?
I did not suggest it becauses I find it quite impractical - moving 5 meters at a time is quite easy to gauge for the target if she is going to bump into a wall, that's another story for 50 meters at a time, unless you are on long, straight road (old Roman roads anybody ?)