The Tamagawa Half Marathon works to keep entry easy with low prices, what it calls industry-leading timing, plenty of pacers and cheering from an MC and guests. Distances are 5K, 10K and the half marathon, for junior high school students and older, with early-bird and regular entry. Fees are set lower than at comparable races, which means there is no baggage storage and no extra portable toilets. Each runner wears a timing tag, and results, lap times, lap ranks and finish times can be checked immediately on an official results site, with finisher certificates viewable online afterward. The BOOST Pacers cover paces from 4:00 to 6:00 per km in 10-second steps for the half and 30K, subject to change. Every participant also receives one month of online yoga lessons, roughly 40 or more, from YOGAEVENT.jp, sent by email for the month after the race.
Races Offered
10km: Men (Junior High School and Up) [Early Bird]
Nov 01, 2026
straighten
Distance —
10K
terrain
Type —
Running
timer
22 days remaining
sell
$20.64
10km: Men (Junior High School and Up) [Regular]
Nov 01, 2026
straighten
Distance —
10K
terrain
Type —
Running
timer
22 days remaining
sell
$23.86
10km: Women (Junior High School and Up) [Early Bird]
Nov 01, 2026
straighten
Distance —
10K
terrain
Type —
Running
timer
22 days remaining
sell
$20.64
10km: Women (Junior High School and Up) [Regular]
Nov 01, 2026
straighten
Distance —
10K
terrain
Type —
Running
timer
22 days remaining
sell
$23.86
5km: Men (Junior High School Age and Above) [Early Bird]
Nov 01, 2026
straighten
Distance —
5K
terrain
Type —
Running
timer
22 days remaining
sell
$18.06
5km: Men (Junior High School Age and Above) [Regular]
Nov 01, 2026
straighten
Distance —
5K
terrain
Type —
Running
timer
22 days remaining
sell
$21.29
5km: Women (Junior High School Age and Above) [Early Bird]
Nov 01, 2026
straighten
Distance —
5K
terrain
Type —
Running
timer
22 days remaining
sell
$18.06
5km: Women (Junior High School Age and Above) [Regular]
Nov 01, 2026
straighten
Distance —
5K
terrain
Type —
Running
timer
22 days remaining
sell
$21.29
Half Marathon (21.1km): Men (Junior High School and Above) [Early Bird]
Nov 01, 2026
straighten
Distance —
21.1K
terrain
Type —
Running
timer
22 days remaining
sell
$27.09
Half Marathon (21.1km): Men (Junior High School and Above) [Regular]
Nov 01, 2026
straighten
Distance —
21.1K
terrain
Type —
Running
timer
22 days remaining
sell
$30.32
Half Marathon (21.1km): Women (Junior High School and Above) [Early Bird]
Nov 01, 2026
straighten
Distance —
21.1K
terrain
Type —
Running
timer
22 days remaining
sell
$27.09
Half Marathon (21.1km): Women (Junior High School and Above) [Regular]
Nov 01, 2026
straighten
Distance —
21.1K
terrain
Type —
Running
timer
22 days remaining
sell
$30.32
Hotels & Places to Stay
Accommodation map unavailable for this event.
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