Day 1

6.2-mile (10 km) ocean swim from Kailua Bay to Keauhou Bay, followed by a 90-mile (145 km) bike ride from Keauhou Bay to Kilauea Military Camp (KMC) in Volcanos National Park.

UMWC 2023 Swim – 10km/6.2 miles

UMWC 2023 Day 1 Bike Course – MapMyRide

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Day 2

171.4-mi (276 km) bike ride beginning at KMC and heading in a counter clockwise direction around the Big Island to Waimea, continuing down to Kawaihae via Hwy 19, turning up Akoni Pule Hwy. (Route 270) to finish at Kamehameha Park in Kapaau, just east of Hawi. Vertical climbs total 13,700 feet.

Ultraman 2023 Day 2 Bike Route – MapMyRide

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Day 3

52.4-mile (84 km) double-marathon run from Hawi to Kawaihae (Route 270), then on to Kailua-Kona (via Route 19) and finishing at the Old Airport Park, Pavilion 1.

UMWC 2023 Day 3 Run – MapMyRide

Time Limits: Each stage must be completed in 12 hours or less. The swim should be completed in 5-1/2 hours or less. Participants not reaching the respective finish lines within the 12-hour limits will be disqualified and listed as “PARTICIPANT” only. Athletes not making the 12-hour time cutoff may participate in the next day’s event as long as they are medically cleared to do so and approved by the Race Director(s).