THE CHALLENGE RACE SENDAI 1 is a JAAF-certified race at Natori City Cycle Sports Center in Miyagi, offering the full marathon, half marathon, 10K, 5K and 1 mile. Runners lap a 3.9 km course with one aid point per lap, stocked with Aminovital GOLD drink and Amino Shot Perfect Energy gel. Pacers cover 12 paces from 2:40 to 4:30 for the full marathon, and runners can warm up until five minutes before the start. The race is a designated event of the R.LEAGUE runner league, where entries, finishes and times earn points and tickets for rankings. Registered runners get 10% off from their second entry. Registration is 8:00 to 9:00, with the opening ceremony at 9:10. The full, half, 10K and 5K start at 9:30 and the 1 mile at 9:35. Fees are 11,000 yen for the full, 7,700 yen for the half, 5,500 yen for the 10K and 3,300 yen for both the 5K and the 1 mile. Time limits are 40 minutes for 5K, 90 minutes for 10K, 2 hours 15 minutes for the half and 4 hours 30 minutes for the full.
Races Offered
1 Mile
Oct 31, 2026
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Distance —
1.6K
terrain
Type —
Running
timer
20 days remaining
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$21.29
10km
Oct 31, 2026
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Distance —
10K
terrain
Type —
Running
timer
20 days remaining
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$35.48
5km
Oct 31, 2026
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Distance —
5K
terrain
Type —
Running
timer
20 days remaining
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$21.29
Full Marathon
Oct 31, 2026
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Distance —
42.2K
terrain
Type —
Running
timer
20 days remaining
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$70.95
Half Marathon
Oct 31, 2026
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Distance —
21.1K
terrain
Type —
Running
timer
20 days remaining
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$49.66
[R.LEAGUE Registered] 1 Mile
Oct 31, 2026
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Distance —
1.6K
terrain
Type —
Running
timer
20 days remaining
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$19.35
[R.LEAGUE Registered] 10km
Oct 31, 2026
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Distance —
10K
terrain
Type —
Running
timer
20 days remaining
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$32.25
[R.LEAGUE Registered] 5km
Oct 31, 2026
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Distance —
5K
terrain
Type —
Running
timer
20 days remaining
sell
$19.35
[R.LEAGUE Registered] Full Marathon
Oct 31, 2026
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Distance —
42.2K
terrain
Type —
Running
timer
20 days remaining
sell
$64.50
[R.LEAGUE Registered] Half Marathon
Oct 31, 2026
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Distance —
21.1K
terrain
Type —
Running
timer
20 days remaining
sell
$45.15
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Event name — THE CHALLENGE RACE SENDAI 1 (Miyagi, Sendai) - JAAF-Certified Marathon (【宮城・仙台】THE CHALLENGE RACE SENDAI 1 ｜日本陸連公認のマラソン大会).
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