The 14th Jeongseojin Ara Waterway National Marathon invites runners of all levels for an exciting day along the picturesque Gyeongin Ara Waterway. Scheduled to take place on October 25, 2026, this event offers three distinct race categories: a half marathon, a 10km run, and a shorter 5km option. Assembly begins at 7:30 AM with the races starting promptly at 8:30 AM. The half-marathon route accommodates up to 2,000 participants who must be aged 18 or older for safety reasons. Entry fees are KRW 50,000 for both the half marathon and the 10km race, while the more accessible 5km course charges a slightly lower fee of KRW 45,000. Runners will enjoy stunning views along the waterway as they navigate through scenic landscapes. Upon crossing the finish line, participants receive a short-sleeved T-shirt and socks as part of their event gift package. Additional perks include a race bib, an official finisher medal, post-race refreshments, and online certification. Top performers in both the half marathon and 10km races will be recognized with awards for places one through five, adding to the competitive spirit of this vibrant running community. Whether you're aiming for personal bests or simply enjoying a beautiful morning run along the waterway, the Jeongseojin Ara Waterway National Marathon offers an unforgettable experience for all participants.
Races Offered
10km
Oct 25, 2026
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Distance —
10K
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Type —
Running
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25 days remaining
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$ 37.00
5km
Oct 25, 2026
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Distance —
5K
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Type —
Running
timer
25 days remaining
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$ 33.30
Half
Oct 25, 2026
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Distance —
21.1K
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Type —
Running
timer
25 days remaining
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$ 37.00
Weather History
These values represent the 3-year monthly averages for October in Incheon.
thermostatTemperature
11.2° / 19.7°
wb_sunnyFeels like
9.2° / 18.7°
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Avg sunshine hours
7h 12m
water_drop
Avg rainfall
2.6 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
9.2 km/h (Light breeze)
opacity
Sweat loss rate
Moderate
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Moderate (4.0)
humidity_mid
Humidity
76.7%
wb_twilight
Sunrise
06:41
nightlight
Sunset
17:55
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