Start point
Cheongna Lake Park Parking Lot 1 (next to Cheongna Lake Library)
Good to know
4.2–4.3 km is the most common record, though "officially 4.5 km" and "5 km per lap" are also cited — it depends on which line you run. Good night lighting makes it a popular night-run spot.
Official source
Checked against
Incheon Metropolitan City, Incheon Tour (itour.incheon.go.kr) — Cheongna Lake Park lake loop course approx. 4.5 km
Source (Korean) →