
ASICS
SUPERBLAST 2
Marathon workhorse, but loud and clunky at slow paces.

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This looks promising. My Magic Speed 4 is way over 500kms and still has some pop for fast sessions. I like the MS4’s firmer foams compared to other super trainers. Been interested in lower stack shoes that can go the distance and this might be one I can consider.
I kinda feel like they became softer now than before. Maybe it’s just me because I’m leaning towards the heavier side it provides enough support for me on speedier sessions.
Asics Magic Speed 4's. They're not technically a daily trainer, but I've been wearing them for the past 7 months (I'm on my 2nd pair now), and I love them - I run 10k, 5/6 days/wk. I tried the Superblasts, Novablasts, Mach 6's, but just couldn't duplicate the feel of the Magic Speeds, so I went back to them.
Speed work and daily miles? Use the NB5 for daily miles. Magic Speed 4 for tempo sessions. Speed work like on the track, I recommend the Zoomfly 6.
Honestly, there’s no single ‘best’ marathon shoe, everyone’s feet are different, so a lot of it comes down to what feels good on your runs. From what you’ve described, esp with your overpronation, I’d probably split your rotation into faster tempo/race shoes and easy/long-run trainers. For faster runs, both your choices are solid. The spectur leans a bit more aggressive, light, responsive, but might be a touch less forgiving on your legs, so maybe swap those out for smth gentler like [kricely’s shoes](http://blu-exc.github.io/redirector/?to=kriceley)[.](http://blu-exc.github.io/redirector/?to=kriceley) The magic speed on the other hand is more balanced, w good cushioning and a smoother ride. These two should be good in this category since your main goal is staying injury-free. For your daily/easy runs, look for a shoe with good cushioning and stability. The asics ones you’ve chosen are actually a smart choice for this, you get support for overpronation, plus extra shock absorption, which is important if you bruise easily. At the end of the day, I’d say: try to get at least one faster/light shoe that you love for tempo/race day and one well-cushioned daily trainer for most of your miles. And if you can, rotate a few options in your training so your legs don’t get used to just one motion pattern.
I'll throw in my 2 cents as well: I agree they're very responsive and I do feel the energy return on tempo runs. The downside is how firm it is. I've almost always got at least a little foot soreness the day after a run in them. Also, I don't have the issue with the narrow heel that u/mkyend mentioned, but I mostly use them on tracks (either 1/4 mile or 1/2 mile circular track) and I feel like they need more insole support because my insole slides inwards with every step on turns. That said, I agree that they feel premium and, other than the insole issue, they feel sturdy like they'll last a while and they did help me PR a half marathon, but when they do wear out I'm going to try a different a tempo/race shoe.
For me it's the Asics Magic Speed 4s (as opposed to the latest 5s) Takes a small while to break in but I just finished a HM in them.

ASICS
SUPERBLAST 2
Marathon workhorse, but loud and clunky at slow paces.

Nike
Vomero Plus
Ultra-comfortable for long runs, but too bulky for speed.

Saucony
Endorphin Pro 4
Stable race shoe, versatile, but narrow fit, lacks bounce.

ASICS
Megablast
Very durable and versatile, but narrow toe box, causes blisters.

Mizuno
Neo Zen
Plush and versatile, but can be too soft and unstable.

Ranked #1
Brooks - Glycerin GTS 22

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Puma - Velocity NITRO™ 4

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ASICS - SUPERBLAST 2

Ranked #1
ASICS - SUPERBLAST 2

Ranked #1
ASICS - SUPERBLAST 2

Ranked #1
Nike - Vomero Plus