BLUE RIVER MARATHON 2026 in TOKYO - Charity Run - (BLUE RIVER MARATHON 2026 in TOKYO - チャリティーラン -)
About the Event
BLUE RIVER MARATHON, which sold out last time, is back! Once again held in Tokyo's Katsushika Ward! Start from a special venue with a view of the Tokyo Skytree! A portion of entry fees is donated to support the event. BLUE RIVER MARATHON focuses on river environmental issues, aiming to be a race where you can enjoy running while also reflecting on environmental topics!
Entry fees: Half ¥3,190 (¥4,290 with finisher gift), Quarter ¥2,690 (¥3,790 with finisher gift), One-Eighth ¥2,190 (¥3,290 with finisher gift), Relay 2-person team ¥6,200, 3-person team ¥8,100, 4-person team ¥8,400 (with finisher gift: 2-person team ¥8,400, 3-person team ¥11,400, 4-person team ¥12,800), Pair Run ¥1,990 (¥4,190 with finisher gift)
Races Offered
Half Marathon (21.0975km)
Nov 28, 2026
straighten
Distance —
21.1K
terrain
Type —
Running
timer
107 days remaining
sell
$20.16
Half Marathon Relay (5.274375km x 4 legs)
Nov 28, 2026
straighten
Distance —
5.3K
terrain
Type —
Running
timer
107 days remaining
sell
$20.16
One-Eighth (5.274375km)
Nov 28, 2026
straighten
Distance —
5.3K
terrain
Type —
Running
timer
107 days remaining
sell
$13.84
Pair Run (1km)
Nov 28, 2026
straighten
Distance —
1K
terrain
Type —
Running
timer
107 days remaining
sell
$12.58
Quarter (10.54875km)
Nov 28, 2026
straighten
Distance —
10.5K
terrain
Type —
Running
timer
107 days remaining
sell
$17.00
Weather History
These values represent the 3-year monthly averages for November in Katsushika.
thermostatTemperature
8.7° / 17.2°
wb_sunnyFeels like
5.9° / 15.4°
light_mode
Avg sunshine hours
7h 19m
water_drop
Avg rainfall
2.6 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
9.5 km/h (Light breeze)
opacity
Sweat loss rate
Low
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Low (2.0)
humidity_mid
Humidity
73.5%
wb_twilight
Sunrise
06:16
nightlight
Sunset
16:34
Hotels & Places to Stay
Runner Reviews
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