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

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Ugh too many. Lol. Mainly roads here. Saucony Hurricane 24s for easy runs. Cushiony and supportive. Saucony Endorphin Speed 4s and Adidas Boston 12s for tempo and intervals. The ES4s have 220+ miles on them and are becoming less snappy so I started rotating the B12s in a few weeks ago. Adidas Adios Pro 4 for racing.
Fellow 100+kg runner, am happy with Boston 12/13, Prime X2 Strung, Superblast 2
Boston 12/13 or Evo SL. I haven’t tried the Evo SL, but based on what I’ve read and your wants I think it fits the bill. The Boston 12 is on sale now, the upper is God awful, but it’s an awesome shoe. I think the 13 is a little softer.
Fair enough. I only mentioned it because OP said he likes a soft shoe. I consider myself a heavier runner at around 170 and hate a shoe that’s too soft, I love the Boston and AP3.
for picking up tempo, with the need of stability for hips/back, I'd go for ES4 or likewise shoe Evo SL is not a firm shoe, my back/hip hurts a bit after using them. ES4 puts a bit more pressure on my knees but I am happier with them.
I think within the 3-5 mile range, considering you were competitive back then, every shoe should be fine as long as you adapt yourself slowly. I use boston 12-13 for the need of stability and bounce at the same time. boston 12 is super firm without the break in though. after the 200 km mark, they kind of hit the sweet spot until their end of life
Boston 12 has carbon-infused energy rods, they might feel less forgiving for easier runs. I'd suggest sticking with what your friend suggested and save this boston 12 for faster paced runs then purchasing a softer more cushioned shoe to soak up all the slower daily miles. E.g Asics superblast/megablast/nimbus, Nike Vomero/Vomero+, Puma Magmax, NewBalance 1080v14/More v5 etc.
I don't have the 13's but i have the 12's. the superblast is a little "softer" due to not having rods/plate. I enjoy my superblast for long runs; i don't usually use them for easy or workouts anymore. either one is a good choice. the 13's were on sale on ebay and shopsimon. the superblasts should be on sale now too since the new model came out.

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

Ranked #1
ASICS - SUPERBLAST 2

Ranked #1
ASICS - SUPERBLAST 2

Ranked #1
ASICS - SUPERBLAST 2

Ranked #1
Nike - Vomero Plus