Running shoes are divided into 8 different categories (from A0 to A7), designed according to the type of training, terrain, path and weight of the runner.
A0 – Minimalist
The shoes A0also called minimalist they weigh between 200/350 grams and are recommended for runners who perform during training fast reps.
All elements considered superfluous or ineffective have been removed from these shoes and the sole is made of a single layer. Usually the differential, or the difference between the sole and the heel, a kind of heel to facilitate the idea, does not exceed 10 mm in height.
Small defect: the A0s are considered very comfortable shoes, perfect for those who like to run fast, but who could tire the leg, also due to the reduced presence of the cushioning mechanisms typical of other running shoes.
A1 – Superlight
The shoes A1 they are also called super light and weigh less than 250 g. They are therefore very light shoes, among the lightest in circulation in terms of running.
They are particularly recommended for experienced runners and competition regulars. They are not cushioned but are suitable for fast runs as they help the step to be more reactive and give the gesture of the run greater reactivity.
They are not suitable for anyone with poor posture or people over 70kg. Remember that a running shoe should also be chosen based on your weight and your goal.
A2 – Intermediate
Running shoes A2 or intermediate, they are also very light but their weight can reach 300 g. Unlike the A1, they have good cushioning and some also have supports in their structure.
They are recommended for anyone who wants to have a bit more stability when running, even while running. However, they are very technical shoes and should therefore not be used by a beginner runner. The A2 is also not recommended for those who exceed a certain weight threshold.
A3 – Neutral
The shoes A3 they are also called neutral. They offer strong cushioning and are therefore ideal for a large number of runners (especially beginners who have not yet developed adequate foot musculature). Their weight exceeds 300 g and can reach 400 in the heaviest cases.
They are not the ideal shoe for those who compete or for those who train for competition purposes and therefore want another performance, but they can be a great alternative for those who run for fun and do not want to give up a comfortable shoe with maximum padding.
These shoes are also perfect for runners who prefer to run slowly and for those who weigh up to 80 kg. They absorb the impact of weight on the ground very well when running. I recommend you see my ranking of the best running shoes.
A4 – Stable
The shoes A4 they are also called stable and generally weigh the same as A3, are indicated for those who do not have good foot control while running. Equipped with supports that do not allow excessive pronation or an exaggerated load inside the foot, they have a high level of cushioning.
This shoe is also recommended for anyone over 80 kg.
A5 – Trail Running
the AT 5 or running they weigh as much as the A3 and A4 and are suitable for both fast and slow runs. They are very solid shoes, intended to protect the foot of the runner.
They are used for riding off-road, so not on asphalt, but on unpaved, even rough ground. The ground grip of these shoes is designed to have superior grip.
In this case, the performance is eclipsed by the security that the shoe has the task of conferring. They are the best shoes even in case of mud, rocks and grassy areas and can be very useful if you are traveling on icy expanses or doing activities in adverse weather conditions.
A6 – Joggers
the A6 shoes are defined by joggingtheir ability to cushion contact with the ground is sufficient for those who run occasionally and especially on uneven terrain, as is their stability and the springy qualities of the upper and midsole.
Basically, it’s a shoe that has no particular qualities and which, in our opinion, should not be used by those who run on a daily basis.
A7 – Spikes
The shoe A7 or bolted weigh less than 200 g. They are indicated almost exclusively for racing or in any case on the track, for disciplines such as athletics. They do not provide cushioning and are fitted with studs, in order to allow the best possible grip on the running track.
Many mistakenly think that sneakers are running shoes, they weigh around 300g and can be used daily for short walks.
But they do not have the ability to cushion the impact of the foot during running and are not amortized. It is therefore better to avoid running with these shoes if you want to avoid inflammation and minor trauma to the joints of the leg and foot.
There are therefore a large number of shoes dedicated to running on the market, with a distinction also for women and people with pathologies such as plantar fasciitis, tibial stress syndrome or flat feet.
For choose the right shoes you have to consider the Type of trainingthe running groundthe own weight and especially the own arch.