The Fall Event will be August 16 and 17, 2025 and will include an Olympic Distance Triathlon and Aquabike on August 16 and the Sprint Triathlon, Sprint Adventure Race, Sprint Duathlon, Sprint Aquabike, and Super Sprint Races on August 17.
Our Youth Triathlon will be Saturday evening, August 16 at 4:00 PM.
All races are sanctioned by USA Triathlon.
Aug 15, 2026
Distance — 41.5K
Type — —
06:45
$55.00
Aug 15, 2026
Distance — 51.5K
Type — —
06:45
$50.00
Aug 15, 2026
Distance — 51.5K
Type — —
06:45
$60.00
Aug 15, 2026
Distance — The Mighty Double Race Saturday and Sunday
Type — —
07:00
$125.00
Aug 15, 2026
Distance — Pennsylvania State Championship Youth Triathlon
Type — —
16:00
$20.00
Aug 16, 2026
Distance — 27.5K
Type — —
06:45
$55.00
Aug 16, 2026
Distance — 25.75K
Type — —
06:50
$50.00
Aug 16, 2026
Distance — 28.2K
Type — —
06:55
$55.00
Aug 16, 2026
Distance — 20.75K
Type — —
06:55
$55.00
Aug 16, 2026
Distance — 25.75K
Type — —
06:55
$50.00
Aug 16, 2026
Distance — 25.75K
Type — —
06:55
$55.00
Aug 16, 2026
Distance — 25.75K
Type — —
07:20
$55.00
Aug 16, 2026
Distance — 12.875K
Type — —
07:45
$50.00
These values represent the 3-year monthly averages for August in Portersville.
Learn more about the host city, Portersville.
Portersville is a borough in Butler County, Pennsylvania, United States. The population was 235 at the 2010 census.
Read more launchRead what other athletes have to say about their experience at the Mighty Moraine Fall Multi-Sport Festival.
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location_on Portersville, Pennsylvania, US
calendar_today Jul 26, 2026
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