Iron Sharpens Iron: Star Athletics Group Documentary

Assefa returns to defend women's title with new pacing team
Ethiopian star Tigist Assefa will be paced through halfway in 1:06:30, organizers confirmed Monday.
Runner's World · Road Races
Berlin course re-certified for world-record eligibility
World Athletics surveyors confirmed the flat, fast loop meets all criteria for record ratification.
LetsRun · Road Races
Barkley Marathons documentary picked up by Netflix for fall release
The film follows three athletes through the 2025 race, including the dramatic finish-line scenes.
Citius Mag · Trail/Ultra
Nike Alphafly 4 leaks: World Athletics legality in question
Early prototypes appear to exceed the 40mm stack height limit by 1.5mm, sources say.
Believe in the Run · Gear
Norwegian double-threshold method: 6-month case study results
Sub-elite test group showed 4.2% improvement in lactate threshold pace versus traditional polarized.
Sweat Elite · Gear
Qualifying times tighten for Boston Marathon 2027 entry
The BAA shaved two minutes from all age-group standards after a record cutoff.
LetsRun · Road Races

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