The Boston Marathon is known for its challenging course and unpredictable spring weather. From cool starts to warmer midday conditions, race day can shift quickly, making heat stress monitoring a critical part of athlete safety.
Understanding Race Day Heat Conditions
Air temperature is only one part of the equation. During endurance events like...
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As an athletic trainer, you know that managing heat stress during outdoor practices and competitions is one of your most critical responsibilities. Many coaches and athletic trainers understand that air temperature alone tells only part of the story. That's where Wet Bulb Globe Temperature (WBGT) comes in, and why it's now the gold standard for ...
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Heat safety involves a specific vocabulary that mixes meteorology and occupational health - terms like WBGT, heat index, dew point, heat advisory, and heat dome all describe different things and shouldn't be used interchangeably. WBGT measures actual heat stress on the body using temperature, humidity, radiant heat, and wind; heat index estimates ...
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The 2026 FIFA World Cup kicked off this week to enormous fanfare - and an immediate reminder that summer soccer in North America comes at a cost. On opening day in Texas, more than 100 fans were treated for heat-related illness at a fan festival before a single whistle had blown.[1] Weather warnings blanketed the opening weekend,[2] with Dallas ...
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A brief guide to wet bulb globe temperature and complete list of every state and their stance on its usage in place of heat index for heatstroke prevention in athletes.
On July 31st, 2001, in Mankato, Minnesota, heat sweltered around a group of Vikings Football players as they conducted their preseason trainings. One athlete, in particular, ...
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Effective April 10, 2026 | Directive CPL 03-00-024
OSHA's National Emphasis Program (NEP) on heat-related hazards was fully revised and relaunched on April 10, 2026, replacing the original 2022 directive for a new five-year enforcement term. This isn't a paperwork update - it expands which industries are targeted, raises documentation expectations...
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When people say, "It feels hotter than the temperature,” they're describing something real.
Humidex is widely used in Canada as a "feels like” temperature-but it's not a heat stress standard like WBGT.
Instead, it's a regional metric used in Canadian weather reporting and workplace guidance to describe how heat and humidity combine to impact ...
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As the Occupational Safety and Health Administration (OSHA) continues enforcement of its National Emphasis Program (NEP) on heat, one expectation is becoming clear:
Employers must be able to accurately monitor heat stress conditions and act on that data.
But what does effective heat stress monitoring actually look like in the field?
This guide ...
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Hydration breaks are now guaranteed at every match in the 2026 FIFA World Cup™.
It’s a clear step forward for player welfare.
But it raises an important question:
Is three minutes enough to reduce heat stress in high-heat conditions?
What Hydration Breaks Actually Do
Hydration breaks are designed to give players a short window to...
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What Businesses Need to Follow These Safety Rules?
Understanding Written Heat Injury and Illness Prevention Plans (HIIPP)
What Are Environmental Heat Triggers
Business Heat Acclimatization Requirements
OSHA Required Water, Shade, and Rest Breaks
Monitoring and Observation Requirements...
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