Comments: First I'm going to talk about the Guide 5, and then I'll tell you about the Guide 6. After running in the Mizuno Wave Inspire 6 for 2 years (12 pairs) I finally switched to the Guide 5. After a few weeks of struggling with a tight achilles from the reduced heel drop, I fell in love with the shoe. Probably my favorite pair since Mizuno Precisions back in 2005. I feel smooth when I run in the Guide 5, and I get lots of feedback from whatever surface I'm running on. The upper fits my long, narrow foot like a glove with no blisters or slippage. The forefoot rubber was showing pretty significant wear after 400 miles, but I bet you can get 500+ out of the Guide 5. I bought the Guide 6 this month after hearing what a great update it was. I disagree. The forefoot FEELS wider to my foot, and I can't tighten the laces down enough to keep my foot from moving around. I took these on an outdoors trip for trail running, and my foot was sliding all over the place. Actually rolled my ankle 3x on one run from the instability. The forefoot rubber is also significantly harder than the Guide 5, which may improve longevity but at the cost of comfort. The Guide 6 looks slightly better in my opinion. As a result of my experience, I'm going back to the Guide 5. Just bought 4 more pairs, so hopefully that will hold me until the next update. Hoping for the return of that glove-like fit and softer forefoot rubber.
From: Stuart, Atlanta, GA
Comments: Had two pairs of Guide 5's in 2012 and liked them. The Guide 6s are definitely a tad smaller and I had to go up to size 11 in them where in the 5's I was a 10 1/2. The shoe does feel a bit more flexible in the forefoot and slightly more secure on the mid-foot, but the overall feel is very much Guide 5-like. The addition of more resilient XT-900 rubber on the toe will be an improvement as I wore through the IBR+ rubber into the EVA foam on the toes on one of my Guide 5s. It seems that Saucony corrected the weird tongue that the Guide 5 had (too short and concave shaped top) and the elastic-like laces that were too long. Also, I purchased the white/black/citron(green) color scheme and found the green details and midsole to be very visible in low lighting conditions; much more so than on my royal/citron Guide 5's or white/black/slime green Mirage 2. One thing that I am concerned about is the added sewn-on overlays on the toe box. There are additional overlays that go from the bottom lace eyelets almost straight forward to the toe reinforcement overlay. This was not the case in the Guide 5. I can feel the new overlay over my small toe buckle at toe-off when I walk, but luckily not running. I have done up to 6 miles on the 6's and not an issue yet, but concerned about it once I get up to 16+ miles.
From: Manny, Greenville, SC, USA
Comments: I am trying these after several pairs of Kayanos, the latest of which I did not care for. The flatter heel-to-toe drop makes me a little nervous. I really don't trust the shoemakers at all anymore -- after years of building up heels they are all chasing the trend (and $$$) in the opposite direction. But I've had good luck with Saucony in past years and decided to give them a try again. My first impression of the Guide 6 after a couple runs: These are VERY comfortable and 'broken in' right from the start, yet feel secure on the foot and still feel like enough shoe for me, and I'm 6-2/180. Also very light. So far so good.
From: Scott, Atlanta, GA, USA
Comments: I've had two pairs of the Guide 5's with about 700 miles on them. I usually do not go up half a size with Saucony shoes. However, I had to in the Guide 6. When my normal size 10's arrived, they were 1/8" narrrower at the wide point of the forefoot, which was just a little too tight for me. The 10.5's turned out to be better. I took the Guide 6's out for a 13 mile run this morning. They didn't feel much different than the 5's. I also didn't notice much difference due to the extra 1 mm cushioning in the midfoot. Not much change - still a great shoe.
From: Jason, Parker, CO, USA
Comments: Nice update from the Guide 5. I always am a little nervous when an update comes out but this one is positive. I went through 5 pairs of the 5's and really liked them. The 6's are similar but are a touch lighter and a little more flexible. Felt slightly narrower in the forefoot but nothing severe. Sizing is the same for me. Nice update!
From: Fred, Cedarburg, WI, USA