Editor rating:
9/10 on
User's rating:


  • -Incredibly lightweight with ample cushioning for a marathon.
  • -RevLite cushioning has surprising resilience.


  • Tapered toebox makes for a narrow fit and pressure on feet during races


The New Balance MRC1600 is one simple fit change away from being the best marathon distance racing shoe I've ever worn.
5.4 oz. (153 gr.)
110 US$
Road racing up to marathon distance and fast training workouts.

New Balance RC1600 General info

The New Balance RC1600 is their first racing shoe to incorporate RevLite foam which allows this shoe to be featherlite and durable enough to race your next marathon.

New Balance RC1600 First impression

There is something very pleasurable about lacing up a new racing flat. Call it placebo effect but it can feel mentally and physically encouraging to have a light weight pair of racing slippers on your feet when you line up for your next speed workout or race.

Upon trying on the RC1600 I was immediately impressed by the form fit, lightweight, and relatively protective heel toe drop (6mm). I found myself wanting to save these shoes, running in them sparingly at first, afraid to wear them out quickly as many featherlight racing shoes are wont to do. But the more time I spent in the RC1600 I realized that the Revlite cushioning takes a beating from repeated workouts and races and continued to provide resilient cushioning and protection.

New Balance RC1600 Sole unit

The more time I spend running in RevLite midsoles the more I think that this compound is the best midsole foam on the market for several reasons. It is incredibly light, seems to last past 500 miles, and the geometric design lends some support over longer races and tempo runs.

I found that the midsole of the RC1600 lasted three races, six workouts, and a total of over 120 miles without feeling any different than the day I put them on. Cetainly the midsole was more broken in and feels better on my foot, but my legs and feet recovered quickly after pounding the pavement at race pace in the RC1600.

The outsole consists of blown rubber which shoes little wear on my model and DynaRide which provided great traction on wet and even freezing surfaces. The DynaRide is featured predominantly on the front third of the shoe, perfectly placed for fast turnover.

New Balance RC1600 Upper

The RC1600 upper is made of open mesh covered with welded overlays which New Balance calls FantomFit. Overlays are well placed and the interior of the upper is basically seamless, allowing runners who like to be sock less to get away with it.

Rather than using one of the current NB lasts they chose instead to go with more of a traditional racing flat style last, and this is where my one complaint of the shoe takes place. A moderate heel and forefoot width seem to taper into a narrow toe box, much like a track spike, which irritated my pinky toes. These toes in fact have not been irritated since college when I wore track spikes several times weekly.

The fortunate part about RC1600 upper is that it is flexible enough to accommodate wider feet, but after 10k of hard running I found that my pinky toes developed blood blisters.

New Balance RC1600 Opinion

It should be noted that as most running shoe companies have moved towards a wider forefoot fit, my toes, cramped from years in track spikes, have been able to breath making it difficult for me to slip on anything resembling a racing last. Since my only critique of this shoe was the fit, one shouldn’t dismiss this shoe as a miss in any way.

The RC1600 is one small tweak away from being the best racing flat I’ve ever worn. I will continue to race in this shoe, pinky toe blisters be damned, simply because the cushioning is so resilient and protective. Runners with narrow forefeet or those that prefer a very snug fit in the toe box will love the snug feel of the upper.

Regardless of your foot type, the RC1600 deserves a look as your next racing shoe.

We thank the nice people at New Balance for sending us a pair of RC1600 to test. This did not influence the outcome of the review, written after running more than 50 miles in them.

New Balance RC1600 Price Comparison

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