The road to your own record
Picture the course in advance
and find the pace that fits you.

The city you want to run becomes your next trip.
THE DREAM
The 18th Cyber Territory Defense Marathon is a running event held at the Mulbit Stage in Yeouido Hangang Park,
Seoul, consisting of 5km, 10km, and half marathon events.
Assembly is at 7:00 a.m. and the start is at 8:00 a.m., with each event closing registration on a first-come, first-served basis.
Picture the course in advance
and find the pace that fits you.
Streets lined with cheers, runners all around.
You'll be part of that scene.
Take it slow with the finish still in you,
and meet the city all over again.
From the joy of finishing to the tough moments — read what runners wrote themselves.
“It was so hot and sunny today that it was really tough ..”
The runner took part in the 10 km with colleagues through company sponsorship and finished. The heat and strong sunshine made it difficult, and the runner was disappointed with the time, but enjoyed running with colleagues and taking photos together.
Quoted from the original · translated
오늘 날이 너무 덥고 땡볕이라 힘들엇어요 ..
Read the original on 네이버 블로그“I finally set my first-ever marathon time.”
The runner finished the first 10K in 54:36. Rather than trying to match the faster runners, the runner kept to their own pace and continued running after the turnaround without stopping to walk. The runner was cautious in the sections shared by cyclists and runners, and was pleased to finish faster than the goal.
Quoted from the original · translated
드디어 인생 첫 마라톤 기록을 세우고 왔어요.
Read the original on 네이버 블로그“I reached the finish line finish and became completely exhausted.”
The runner took part in a half marathon and followed the 1:30 pacemaker early on. Around 6 km, the runner realized the pace was not right, so the runner lowered the pace. The runner kept running without walking despite the hot and humid conditions and finished the race. The runner was disappointed not to reach the goal, but liked the medal.
Quoted from the original · translated
결승점에 골인하고 완전 땡칠이가 돼버렸다.
Read the original on 네이버 블로그“Still, it felt really good once it was over.”
The runner finished their first-ever 10K. It was on the familiar Han River course, but sharing the route with cyclists and pedestrians was inconvenient, and the runner walked or stopped in the second half because of the heat and a bathroom break. The runner felt proud after finishing and bought two official race photos as souvenirs.
Quoted from the original · translated
그래도 끝나니 진짜 좋더라
Read the original on 네이버 블로그“I finished the 10K in 1:03!”
The runner finished 10 km in 1:03 at their first race and set a personal best. The runner ran alongside runners at a similar pace and drew energy from the other participants. The runner enjoyed the live performances and atmosphere, but was disappointed by the lack of places to sit and rest after finishing and the many bugs on the ground.
Quoted from the original · translated
결과는 10km 1시간3분으로 들어왔습니다!
Read the original on 네이버 블로그We translated a short line from each public race report and summarized the experience. Finish times are as stated by the author, and past editions may differ from this year's weather and operations.
Preview the course and read what runners who went before you wrote.
마라톤뷰 Marathon View
This may be from a past edition. Check the organizer for this year's course and operations.
YOUR ENTRY
Here are the ways to enter and what each requires.
Check the organizer's page for whether entries are open.
We'll fill this in once the official entry rules are out.
RACE WEEK
Know the course and time limit, and race day comes into focus.
From the 2026 editionHalf marathon 3 hours · 10km 2 hours
The start time and cutoff follow the official announcement (checked 2026.7) — re-check on the official page before entering.
KRW 50,000 KRW (10 km · half marathon)
5 km KRW 35,000 KRW (timing chip not used) / 10 km KRW 50,000 KRW / half marathon KRW 50,000 KRW
Cutoff
At the turnaround point: half marathon time limit 1 hour 30 minutes · 10km time limit 1 hour
START/FINISH = Plaza in front of Yeouido Mulbit Stage. 5km turnaround: Dangsan Railway Bridge · 10km turnaround: World Cup Bridge · Half turnaround: near Magok Bridge
Not yet confirmed in the official race guide
This may change for the next edition.
Pick up your bib, check your wave.
So on race morning, you can just run.
Lost or forgotten bib s cannot be reissued by the race office.
Transferred bib s and on-site entries are excluded from insurance, awards and all event programs.
Shipped 1 week before the race (subject to change)
Delivery by courier (post office delivery)
Lost or forgotten bib s cannot be reissued by the race office. Transferred bib s and on-site entries are excluded from insurance, awards and all event programs.
Yeouido Hangang Park, Mulbit Stage area, Seoul
18th Cyber Territory Defense Marathon starts with 8:00am assembly at Yeouido Mulbit Stage in Yeouido Hangang Park, offering half-marathon, 10km, 5km, and 3km walking categories. Nearest subway: Line 5 Yeouinaru Station, Exit 1 or 2, directly in front of the park.
No shuttle mentioned; directly subway-accessible.
Also based at Yeouido's waterside stage in Seoul; use Yeouinaru or Yeouido subway stations (Line 5/9) to reach the venue. A T-money card covers subway, bus, and taxi and is available from convenience stores or station machines; a single fare is about 1,400-1,550 KRW.
Foreign bank cards cannot tap directly yet, so get a physical card.
Your start time, fuel and bag drop.
Know them ahead and the run feels easier.
September is cool in the morning and hot during the day.
Bring a light jacket and a hat to take off before the start.
Because the race includes a half marathon, start the first 5 km more conservatively than your target, and the key is holding pace after 15 km.
Times are local to Seoul. Check the latest official information before the race.
STAY A LITTLE
From a hotel that makes race morning easy,
to the meals and views you'll enjoy with the medal on.
Hotel · 1.5km
View on Booking.com₩140,099
View on Klook₩1,211
View on Klook₩348,197
View on KlookAccommodation · 1.7km
View on Booking.com₩180,027
View on Klook₩160,600
View on KlookDistances are straight-line from the start/finish area.
Check real travel times and booking terms with each hotel.
Hotel · 1.5km
View on Booking.comAccommodation · 1.7km
View on Booking.comAccommodation · 1.9km
View on Booking.comAccommodation · 1.7km
View on Booking.comAccommodation · 827m
View on Booking.comAccommodation · 1.7km
View on Booking.comAccommodation · 1.5km
View on Booking.comSwipe sideways to see more hotels.
Rest a little, wander a little.
Pick what suits you and whoever you're with.
₩140,099
View on Klook₩180,027
View on Klook₩69,961
View on Klook₩110,412
View on Klook₩105,119
View on Klook₩198,047
View on Klook₩98,759
View on Klook₩48,803
View on Klook₩1,238
View on Klook₩1,211
View on Klook₩25,000
View on Klook₩10,058
View on Klook₩10,058
View on Klook₩360,134
View on Klook₩14,537
View on Klook₩17,998
View on Klook₩12,114
View on Klook₩199,884
View on Klook₩35,131
View on Klook₩61,782
View on Klook₩19,964
View on Klook₩31,151
View on Klook₩74,984
View on GetYourGuide₩78,636
View on GetYourGuide₩65,286
View on Klook₩390,000
View on GetYourGuide₩120,006
View on Klook₩42,686
View on Klook₩87,049
View on Klook₩52,053
View on Klook₩88,049
View on Klook₩199,831
View on Klook₩932,936
View on Klook₩35,304
View on Klook₩66,974
View on Klook₩49,398
View on Klook₩54,168
View on Klook₩19,037
View on Klook₩50,000
View on Klook₩76,319
View on Klook₩180,000
View on GetYourGuide₩24,000
View on GetYourGuideA meal before the race, a dinner to celebrate the finish.
₩1,211
View on Klook₩160,600
View on Klook₩267,724
View on Klook₩317,195
View on Klook₩262,359
View on Klook₩122,947
View on GetYourGuide₩180,848
View on KlookThe city you ran — this time, a little slower.
₩348,197
View on Klook₩120,450
View on Klook₩26,478
View on Klook₩25,094
View on Klook₩40,150
View on Klook₩40,150
View on Klook₩40,150
View on KlookOnce saved, you can open this page without an internet connection
Be the first runner
Leave this room's first post
Looking for runners to join you at this race? Pacers is a Korean running app for finding race buddies and groups (in Korean).
See the Pacers app ↗Not officially announced yet.
It's expected in September 2027;
the 2026 race was held on Sat, September 19, 2026.
Not announced yet. Entries for the 2026 race opened on Wed, June 17, 2026.
Not announced yet. The 2026 race entry fee was about ₩50,000.
Half marathon 3 hours · 10km 2 hours. (From the 2026 edition)
Half · 10K. (From the 2026 edition)
The race starts at 08:00. (From the 2026 edition)
Meet at 07:00. (From the 2026 edition)
At the turnaround point: half marathon time limit 1 hour 30 minutes · 10km time limit 1 hour.
(From the 2026 edition)
You can compare live prices for hotels around the start in Seoul in the STAY section of this page.