On Sunday, August 1, 2027, the iconic Centennial Beach will host the 19th annual Naperville Sprint Triathlon, welcoming athletes of all levels to embrace this beloved summer competition. Whether you're aiming for a personal best or taking on your first multisport event, there's an option tailored just for you – from the traditional sprint triathlon and duathlon to aquabike and kids triathlon categories. The race kicks off with a refreshing swim in historic Centennial Beach’s clear waters, setting the stage for the scenic bike course that winds through Naperville. Known for its picturesque views of local landmarks and vibrant neighborhoods, this section offers both challenge and beauty as you pedal past familiar sights. The event concludes with an exhilarating run back to Centennial Beach, where enthusiastic spectators line the route, cheering on every participant. Join a community of hundreds at one of Chicago’s most anticipated summer triathlons, immersing yourself in the spirit of competition and camaraderie that defines this iconic race.
Races Offered
2027 Naperville Sprint Triathlon
Aug 01, 2027
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Distance —
2027 Naperville Sprint Triathlon
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Type —
Multisports
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304 days remaining
Aquabike - 375m Swim/22k Bike - Individual
Aug 01, 2027
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Distance —
0.4K
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Type —
Multisports
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304 days remaining
Duathlon - 1 Mile Run/22k Bike/5k Run - Individual
Aug 01, 2027
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Distance —
1.6K
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Type —
Multisports
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304 days remaining
Kid's Triathlon - 175m Swim/11k Bike/5k Run - Kid's Individual
Aug 01, 2027
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Distance —
0.2K
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Type —
Multisports
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304 days remaining
Triathlon - 375m Swim/22k Bike/5k Run - Individual
Aug 01, 2027
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Distance —
0.4K
terrain
Type —
Multisports
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304 days remaining
Triathlon Relay - 375m Swim/22k Bike/ 5k Run - Relay Team Captain
Aug 01, 2027
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Distance —
0.4K
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Type —
Multisports
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304 days remaining
Triathlon Relay - 375m Swim/22k Bike/ 5k Run - Relay Team Member
Aug 01, 2027
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Distance —
0.4K
terrain
Type —
Multisports
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304 days remaining
Weather History
These values represent the 3-year monthly averages for August in Naperville.
thermostatTemperature
17.7° / 27.4°
wb_sunnyFeels like
17.8° / 27.5°
light_mode
Avg sunshine hours
11h 50m
water_drop
Avg rainfall
2.3 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
10.3 km/h (Light breeze)
opacity
Sweat loss rate
High
terrain
Course conditions
Hard and dry surface
sunny
Max UV Index
High (7.0)
humidity_mid
Humidity
71.7%
wb_twilight
Sunrise
06:02
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Sunset
19:50
About Naperville
Learn more about the host city, Naperville.
Naperville is a bedroom community in the Chicagoland area. In 2008, Money magazine ranked Naperville third on its list of the 100 best places to live in the United States.
