Zach Bitter to attempt 100 Miles Treadmill World Record in PURPOSE running gear

Zach Bitter to attempt 100 Miles Treadmill World Record in PURPOSE running gear
  • PURPOSE Performance Wear signs American extreme endurance runner Zach Bitter
  • Zach will be wearing the PURPOSE PRO Performance running top and shorts for the entire duration of the 100 Miles Treadmill World Record
  • Zach is currently the World Record Holder for the 100 Miles Run and Distance Run for 12 hours

During this time of the COVID-19 virus epidemic where staying indoors is encouraged, American extreme endurance runner Zach Bitter will be attempting another world record – the 100 Miles (160 km) Treadmill World Record.

This feat will be taking place on 16 May and streamed ‘live’ on the SFuels* YouTube Channel at 6.30am PST (9.30pm in Singapore/Malaysia).

For this world record attempt, Zach will be wearing the PURPOSE PRO Performance running top and shorts for the entire duration. Runners from all over the world are invited to run with him via Zoom.

Funds will also be raised for charity ‘Fight for the Forgotten’. Runners all over Southeast Asia can join him in his run via Zoom video. More details on how to join him in this attempt will be released later.

Southeast Asian sports performance apparel brand PURPOSE Performance Wear has just signed a multi-year partnership with Zach. He currently holds the 100 Miles Run (160 km) World Record with a time of 11 hours 19 minutes 13 seconds.

Zach Bitter also holds the World Record for Distance Run in 12 hours with 104.88 miles (168.8 km) – a record he has set three times.

This partnership will have Zach wearing PURPOSE for all his training and races. Besides athlete sponsorship, Zach will also be heavily involved with PURPOSE in the development of new and future running collections that will carry Zach Bitter’s brand name on them – a collaboration that will take both parties to new levels

From Singapore, PURPOSE is a fast-growing brand in Southeast Asia. With achievements in triathlon and cycling apparel – the trisuit worn by current Ironman World Championship Age Group World Record Holder Dr Dan Plews, as well as Team Australia II’s cycling team who were runners-up at Race Across America – PURPOSE aims to bring similar successes into running with Zach.

PURPOSE products use HYPERMESHTM, a proprietary innovation that enables athletes to regulate their core body temperature better. Future PURPOSE PRO running series, to be co-developed with Zach, carrying his brand name, will implement this fabric tech. 

Zach brings top level performance in the ultra-running field, and together with PURPOSE, the goal is to create products to further cater to the needs of runners

Zach primarily race distances of 50km up to 200km on trail, road, and track. He has competed on Team USA’s 100km World Championship Team on three occasions.

Other notable performances by Zach include wins at both the San Diego 100 and Javelina 100. He also holds the 9th fastest time at the historic JFK 50 Mile.

“After talking with Zach over several calls, it is exciting to be able to work together. I want to develop a high-performance running line for the long and ultra-distance running community so I’m really looking forward for Zach to contribute his expertise into this,” said Noor Aziz, founder of PURPOSE.


The PURPOSE PRO series are made with HYPERMESHTM PRO, a proprietary innovation by PURPOSE made with a combination of lightweight, high air flow-through fabrics made from different polymer, elastane and nylon weaves to provide the best heat dissipation and temperature regulating capability.

PURPOSE is a specialist in premium, technical, high quality performance wear developed and made to cope with the heat and humidity of the tropical region.

Starting out with a focus on triathlon and cycling, PURPOSE now expands its product range to include running.

Launched in January this year, the PURPOSE Running is twice as light compared to its competitors from Europe or Australia in the same category. Light and cooling for humid and dry heat, this is something that many international products fail to address here in this weather.

In line with the product design thinking that drives every PURPOSE’s trisuit and cycling jersey, PURPOSE running tops are known to be the lightest, most breathable, fastest drying running top one will ever wear.

This is backed with results from indoor treadmill and outdoor open field running tests proving that the top does not weigh down or become heavy even when drenched in sweat.

The PURPOSE Running collection can be found at

*SFuels, whom PURPOSE is collaborating with too, is one of Zach’s primary sponsors. Other sponsors involved in the 100 Miles (160 km) Treadmill World Record are Nordic Track, Buff Headwear and Coros.

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