
AIR QUALITY & FIRE SEASON
Forest fires and poor air quality have become a consistent challenge during summer months across the western United States. We take these environmental risks seriously and closely monitor conditions throughout fire season.
We actively monitor AQI (Air Quality Index) through AirNow.gov and E::Space Labs. Please note: air quality can vary significantly across different sections of the course due to wind, elevation, and terrain.
AQI Level and Impact on Event
150–200
Event on alert. Runners must decide individually whether to start or continue based on personal health/medical risk.
>200 (Pre-Race)
Race will be canceled if AQI is forecasted to exceed 200 before the start.
>200 (During Race)
Race will be halted if AQI rises above 200 on any part of the course.
Important Notes
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Decisions to cancel or halt the event are not taken lightly. We understand the cost and commitment involved in race preparation and travel — many of us are runners too.
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However, the safety of participants, volunteers, and staff is our highest priority.
In Case of Mid-Race Cancellation
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Runners will be held at the next nearest aid station.
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Some course areas have no cell service. Runners should proceed to the next aid station for official updates.
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Aid station captains and HAM radio operators will coordinate runner holds and communication.
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Updates will be shared on:
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Social Media
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Runners’ inboxes (email/text, if applicable)
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In Case of Pre-Race Cancellation
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May occur just hours before the event.
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Updates will be shared via:
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Social Media
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Runners’ inboxes
Refunds & Credits
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No refunds or race credits will be issued for cancellations or interruptions due to AQI/fire conditions.
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We ask for your understanding as we prioritize safety in these unpredictable situations.