Name: 21st Tanoura Aquathlon Championships (第21回 たのうらアクアスロン大会)
Start: 2026-10-11
End: 2026-10-11
Location: Oita City

About the Event

The Aquathlon Championship invites triathletes and newcomers alike to experience the beauty of Beppu Bay while enjoying swimming and running along the picturesque shores of Ta-no-ura Beach in Oita City. Surrounded by lush greenery on all sides, this event offers a serene backdrop for athletes to challenge themselves amidst stunning natural scenery.
Participants will start their journey with an invigorating swim in the clear waters of Beppu Bay before transitioning onto land where they'll run through scenic trails that wind around High Castle Mountain. The course is designed not only to test physical endurance but also to provide a memorable and enjoyable experience for all levels of participants, from seasoned athletes to beginners.
This open event encourages everyone interested in triathlon to join the community spirit and celebrate their passion for water sports and running within this unique setting.
The Aquathlon Championship promises an unforgettable day filled with camaraderie, breathtaking views, and a chance to explore one of Japan's most scenic coastal areas.

Races Offered

Age Group [Open]: 26 and Over (Swim 1500m • Run 10km)

Oct 11, 2026

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Distance — 1.5K

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Type — Multisports

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17 days remaining

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$48.38

Age Group [Open]: High School Students to 25 Years Old and Under (Swim 1500m • Run 10km)

Oct 11, 2026

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Distance — 1.5K

terrain

Type — Multisports

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17 days remaining

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$41.92

Age Group [Triathlon Prefectural Team Association & College League Members]: High School Students ~ 25 Years Old (Swim 1500m • Run 10km)

Oct 11, 2026

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Distance — 1.5K

terrain

Type — Multisports

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17 days remaining

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$35.48

Age Group [Triathlon Prefectural Team/University Member]: 26 and Over (Swim 1500m • Run 10km)

Oct 11, 2026

straighten

Distance — 1.5K

terrain

Type — Multisports

timer

17 days remaining

sell

$41.92

Beginner: Swim 200m • Run 2km

Oct 11, 2026

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Distance — 0.2K

terrain

Type — Multisports

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17 days remaining

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$19.35

Junior: Swim 200m • Run 2km

Oct 11, 2026

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Distance — 0.2K

terrain

Type — Multisports

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17 days remaining

sell

$6.45

Relay: Swim 1500m • Run 10km (1 swimmer, 1 runner)

Oct 11, 2026

straighten

Distance — 1.5K

terrain

Type — Multisports

timer

17 days remaining

sell

$41.92

Weather History

These values represent the 3-year monthly averages for October in Oita City.

thermostat Temperature

17.1° / 24.0°

wb_sunny Feels like

17.4° / 24.6°

light_mode Avg sunshine hours

7h 32m

water_drop Avg rainfall

3.3 mm

ac_unit Avg snowfall

—

air Avg wind speed

7.3 km/h (Light breeze)

opacity Sweat loss rate

High

terrain Course conditions

Hard and dry surface

sunny Max UV Index

Moderate (4.0)

humidity_mid Humidity

76.7%

wb_twilight Sunrise

06:18

nightlight Sunset

17:39

Hotels & Places to Stay

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21st Tanoura Aquathlon Championships (第21回 たのうらアクアスロン大会)

About the Event

Races Offered

Age Group [Open]: 26 and Over (Swim 1500m • Run 10km)

Age Group [Open]: High School Students to 25 Years Old and Under (Swim 1500m • Run 10km)

Age Group [Triathlon Prefectural Team Association & College League Members]: High School Students ~ 25 Years Old (Swim 1500m • Run 10km)

Age Group [Triathlon Prefectural Team/University Member]: 26 and Over (Swim 1500m • Run 10km)

Beginner: Swim 200m • Run 2km

Junior: Swim 200m • Run 2km

Relay: Swim 1500m • Run 10km (1 swimmer, 1 runner)

Weather History

Hotels & Places to Stay

Runner Reviews

No reviews yet

Suggest an edit

Nearby Races

Oita Marathon Fest (おおいたマラソンフェス)

37th Beppu Yukemuri Health Marathon & Walk (第37回別…

32nd Ogata Gosenzoku Marathon (第32回おがた五千石マラソン)

Kuju Highland Green Race 2026 (久住高原グリーンレース2026)

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CHALLENGE SHANGHAI

2026 Jinshanling Great Wall Challenge

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21st Tanoura Aquathlon Championships (第21回たのうらアクアスロン大会)