Megablast

I agree, I have about 100 K of various terrain speeds and distance. It felt and reacted like a slightly more flexible slightly faster Superblast. Not dramatically different but a bit better .

My dream shoe would be a Megablast midsole but with a Superblast 2 upper. I can deal with the Megablast upper, but it's definitely not my favourite. I agree with your comparison, it has a SB2 kind of feel but its much less brick like, and way more poppy. However, like you said the SB2 is more comfortable. As for OP, I think it would be fine for a heavier runner, it's fairly stable and not super soft. The foam comes alive like crazy at higher paces though, I love how it feels at faster paces.

Don't blast them until you try them. I love my big stack shoes. My favorite long runs shoes are the ASICs Megablasts and Hoka Skyward X. I also love Adidas EVO SLs. Race shoes are Nike Vapor Flys, Alpha FLys, and Adidas Pro 4s.

The foam in my mostly 2 shoe rotation (Neo Zen, EVO SL) refuses to die so they've carried me through the year. I bought the Megablast on my birthday because I had an Asics 25% off coupon & was depressed, lol. But I don't really like them. Don't make impulse buys. I'd rank them 1) Zen 2) Adios Pro 3 (carried over from last year as my race shoe) 3) EVO 4)Megablast

Noosa Tri, Sonicblast or Magic Speed I bought the Megablast for the subt workouts but I don't really like it at those paces. I know I'm in the minority, but it feels a little clunky at faster paces. Last winter I used the Novablast 5 for a lot of the subt workouts & it worked well if you can deal with a softer shoe. NB5 is an absolute gem. It's much smoother than the Megablast & you can use it for long runs. Really baffles me how Megablast is $85 more than NB5.

I'm glad someone else mentioned the tacky & loud outsole. These are the grippiest shoes I've worn. Grippier than Continental. But it almost feels like an artificial grip that'll go away with use. Like stickum on gloves. Shoes are definitely loud at easy paces. Lady was walking a dog & heard me about a block away approaching. It was embarrassing how loud these sound.

Great points. Megablast foam is the best I've ever felt, but like I wrote below the roll through/geometry doesn't agree with me & it's a letdown. I want to love the shoe, especially for the price I paid. Interesting points about the hips because I get glute/piriformis tightness & even a little sciatic pain down my leg when trying to do threshold work in these. Even feel it with easy runs a little, & feel like I have to work a little harder than I do in other shoes. My lower legs feel great through. I can't wear them 2 days in a row & have to balance things out with a midstack shoe. I've often felt an earlier & more aggressive rocker would really help to roll through the shoe quicker or perhaps a lower stack height. Combo of stiff foam, plus massive amount of it, + the softness makes it feel like I have to work a little extra compared to other shoes. I'm almost to 400 miles so sometimes before runs I'll bend the shoe to 90 degrees & twist it a few times to try to break the foam & make it more flexible. I know a big no no but anything to make the shoe more natural like on foot.

I'm in the minority but I don't like them. They feel very unnatural to my stride. Feel like I have to work to roll through the geometry. Like the shoe is fighting against me. I've stopped using them for faster stuff because of this, & only use them for easy runs & even then I feel it.

I'm at 450 miles & I've tried using them for everything but struggle to find a use for them. At first they were my speed workout shoes but I struggled getting them going at anything faster than 1/2 marathon pace. They feel clunky, & are loud (better now that it's warmed up though.). Then they started giving me major glute & upper hamstring tightness to the point I can't wear them for any speed stuff. Switched to using them for long runs, but lately I can't go longer than 50-60 min in them before the tightness settles in. I have to head back home & switch to my Altra Flow 2s to finish my run. Soon as I put the Altra's on the tightness goes away. I don't know if it's the lower drop or lower stack height or more flexible foam vs the MB massive stack & stiff foam. Occasionally I'll use them for easy runs of 45-50 min but feels like using a Ferrari to do a grocery run when I could just use my $12k Camry errr $90 Altras I do like the sponginess of the foam & I haven't made a dent in the lifespan, so I wish they'd work for me. I get 25% off Asics through healthcare discount but the only ASICs that interest me now are the Noosa Tri & maybe the new Novablast, since I really liked the NB5. Novablast 5 is the best shoe in the Blast series. I'll see myself out now, lol.

I went with the Megablast. Received them last week, I've done a few km's already a feel good with them. First run was hard on the legs because I'm used to have more stability, but the next few ones have been great. I feel faster and less tired. But jf the Superblast are narrow for you, not sure if the Megablast are the answer for you. Specially the toebox. Neo Vista 2 maybe? Someone recommended it to me on a different post. Novablast 5 or Vomero Plus as well.

I am currently running in the Asics MB; light with a nice fun springy bounce but wish it was more stable. They weigh 8.2oz in my size 10. The RAD UFO may be a good one to try (about 1/2oz heavier than the MB) Or the upcoming Asics SB3 (mid 8oz range). For reference, I am 6’0 and 150lbs. I jog (plod along) a 5k 5x/week . My regular plodding along is maybe 9-10 minute mile.

Ah, so the Megablast is not recommended for slower runners…I jog (plod along) a 5k 4-5x/week to stay in shape. My regular plodding along is maybe 9-10 minute mile at best. I run in the Megablasts, which may be overkill for my pace. Nice fun springy bounce but wish it was more stable. I don’t like shoes that are too firm or too mushy. I may check out the UFO RAD.

MB are definitely stiffer than the NB. Not in an uncomfortable way but definitely not cloudlike. They just want to go fast. For the workouts you described the MB would be an awesome shoe. The only downside is the upper, which sucks for the first 30-60miles. The toe box is just a little small and the synthetic material of the upper is just weird (but very thin which is nice if you’re in an area for the summer). I got a pinky toe blister and sore big toe the first few runs but now they’ve settled in and I’m glad I gave them a break in period. If you can afford it, get the MB for workouts. Get the NB for easy runs. That gives the foam of both shoes some time to breathe and will stretch their lifespan out (in theory)