This race has finished.

The next edition is undecided. Please check the official site.

Status updated: June 18, 2026

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Saitama

Full Marathon

The 44th UP RUN Sai-ko Marathon

第44回UP RUN彩湖マラソン

Date

February 14, 2026

Location

Saitama

Venue

埼玉県戸田市美女木8-5-14

Distance

Full Marathon

Event	Entry Fee	Time Limit	Capacity
Full Marathon	¥5,000	5h	—
30km	¥4,500	5h	—
Half Marathon	—	3h	—
10km	¥3,500	—	—
5km	¥3,000	—	—
Family (Parent & Child)	—	—	500 runners

Finish Rate

—

Last updatedJune 18, 2026·14 days agoOfficial site checkedJune 18, 2026

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AI summary

COURSE

Course profile

Flat (PB-friendly)A flat, easy-to-run course. A 5-kilometer loop course.

Cutoffs & time limit

Full Marathon: 5.5 hours; 30 km: 5 hours; Half Marathon: 3 hours; 10 km, 5 km, Parent-Child, and 20 km Relay: No time limit

Water stations

Two water stations per 5-km lap. Water, sports drinks, bananas, chocolate, and other refreshments are available.

Pacers

Finisher rewards

Commemorative gifts will be awarded to the top three finishers in each event. Completion certificates will be issued on the spot. A loyalty program (point card) is available based on the number of times you participate.

Changing & baggage

Luggage storage available (500 yen for valuables). Changing tents available.

Summary for guidance. Always confirm details on the official site. Last verified: June 22, 2026

AI summary

RELAY

Team format & legs

The 20-km relay consists of teams of 2 to 4 people running a 5-km course, passing the baton to complete a total of 4 laps (20 km); the running order and number of laps are up to the team.

Team composition rules

Teams of 2–4 people; open to anyone

Solo / small team

Not allowed

Course format

Looped (relay-style)

Venue & setup

Changing tents available; luggage storage available (valuables can be stored for 500 yen); two water stations; completion certificates issued on the day of the event

Time limit

The 20km relay has no time limit; the full marathon has a 5.5-hour time limit; the 30km race has a 5-hour time limit; the half marathon has a 3-hour time limit; there are no other events; the competition is scheduled to end at 4:00 p.m.

Summary for guidance. Always confirm team rules on the official site. Last verified: June 22, 2026

Access

ACCESS

Note: the map shows the approximate area. Check the official site for the exact start/venue.

Score

RATINGSAuto-calculated from market research, official data, and online voicesSome scores unavailable（3/6）

Course Appeal

コースの魅力

N/A

Organization & Support

運営・サポート

N/A

Finishability

完走しやすさ

1.4

Atmosphere

大会の盛り上がり

N/A

Access

アクセス

3.0

Value for Money

コスパ

5.0

Entering from overseas

INBOUND

Overseas entry not available

Bib pickup

Bibs are collected at the venue on race day. There is no advance postal delivery of bibs or entry documents.

Notes

Bibs are only available at the race-day reception desk, making this race effectively inaccessible to overseas runners who cannot attend in person. All communications are by email in Japanese.

Summary for guidance. Always confirm details on the official site. Last verified: June 22, 2026

Runner Reviews

REVIEWS

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No runner reviews for this race yet.

Overall Score

3.1

/ 5.0 · 6-axis avg

Official site →

Overseas entry not available