Read issue #1 of Daily Digest, by Mailbrew Team.
17
Thursday September, 2026
I successfully reverse-engineered Maurten Gel 100

TL;DR: I perfected a DIY Maurten Gel 100 clone using the exact same internal-gelation mechanism (Sodium Alginate + Calcium Carbonate + GDL). This recipe makes a 10-serving batch. Each 50g pouch delivers exactly 25g of carbohydrates at a 0.8:1 Fructose-to-Glucose ratio, with that identical slippery, jelly texture.

After multiple test …

High quality running singlet without the inflated price of lifestyle branding

I have been trying to find a good quality (technical fabric, good fit, limited chaffing) running singlet for a while and it seems like every “good quality” brand comes with a fashion tax. I do not care how cool or trendy it looks! And I don’t want to pay for …

Achievements for Thursday, September 17, 2026

Hey runners, it's another day and it is time to post your accomplishments you'd like to share - big or small.

Note: No need to preface YOUR accomplishments with something like, "this may not be an accomplishment to most of you...". Be proud of your achievement.

Official Q&A for Thursday, September 17, 2026

With over 4,225,000 subscribers, there are a lot of posts that come in everyday that are often repeats of questions previously asked or covered in the FAQ.

With that in mind, this post can be a place for any questions (especially those that may not deserve their own thread). Hopefully …

How to carry gels for a 2:30 marathon

Hello,

as title says, I'm looking for advice on how to carry my gels for the upcoming Berlin marathon. I know that how to carry gels is not really an uncommon question, coupled with my inexperience and the rather fast pace I'm looking for advice mostly from similar fast runners …

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