John Rarity

John Rarity is the inventor of the Portable Kettlebell, a training tool that combines the benefits of kettlebells and sandbags. Rarity has also offered training on remote fitness planning and served as an editor for several publications.

Build Strength with Kettlebell Sandbags

"The use of kettlebells has grown immensely over the past few years, as they can offer a great bang for your buck when it comes to time spent exercising...

2015-06-06|Running, Strength Training|

4 Steps to Win Your Next Race

Whether you're a total newbie or already an exprienced runner that wants to kick-it-up a notch this race season, understanding the WHY behind you're...

2015-04-24|Nutrition, Training|

LATEST NEWS

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2024-11-20|Company News, Sports, Sports News, Tech, Youth Athletes, Youth Sports|

6 Essential Tips to Qualify for the Boston Marathon

2023-06-22|High School Sports, Running, Sports News, Training, Youth Sports|

Safer Sport for Kids Starts with Educated, Knowledgeable Parents and Guardians

2025-02-11|Coaches, Parents, Sports, Sports News, Youth Athletes, Youth Sports|

Top 20 Boston Marathon Qualifying Races of 2025:

2025-02-11|Running, Sports News, Training|

Mastering Plyometrics: Putting Your Mind into Movement to Boost Force and Explosiveness

2025-02-04|Strength Training, Training|

Build a Strong Set of Abs Without Training Abs

2025-01-13|Strength Training|

Why Policy Matters in Sport: How Setting Standards Can Lead to a Safer, Happier Youth Sports Experience

2025-01-13|Coaches, Parents, Sports, Sports News, Youth Athletes, Youth Sports|

The One (or two) Exercises to do When You Don’t Have Time to Workout

2025-01-09|Strength Training, Training|

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