WRC
-->
runnet.jp

4th Biwako Earth Citizens' Forest Relay Marathon (第4回 びわこ地球市民の森リレーマラソン)

Japan flag
Shosan City, Shiga, Japan

calendar_today 13 Dec, 2026

directions_run Running

Register Now
4th Biwako Earth Citizens' Forest Relay Marathon (第4回 びわこ地球市民の森リレーマラソン)

About the Event

Immerse yourself in the serene beauty of Earth Citizen Forest, where runners come together to share moments of inspiration and accomplishment. This unique race offers various relay options for different groups, fostering camaraderie among participants as they pass the baton through winding trails.
For those looking to extend their run with friends or colleagues, the 3-hour relay is perfect, priced at ¥3000 per person. Families can enjoy a more compact experience in the 2-hour family relay, available for just ¥1500 per participant. Youngsters also have an opportunity to participate in the kids' category for only ¥600.
The event's setting within Earth Citizen Forest provides not only stunning natural landscapes but also a peaceful atmosphere that enhances every runner’s journey. Whether you are part of a team or running alongside family members, this race offers a memorable experience amidst nature’s splendor.
As runners weave through the forest trails, they will be surrounded by lush greenery and fresh air, making each lap an invigorating adventure. The sense of unity and achievement is palpable as teams work together to complete their segments of the relay.
Join us in Earth Citizen Forest for a day filled with joy, teamwork, and breathtaking scenery.

Races Offered

2 Hour Relay Marathon

Dec 13, 2026

straighten

Distance — 2 Hour Relay Marathon

terrain

Type — Running

timer

69 days remaining

3-Hour Relay Marathon

Dec 13, 2026

straighten

Distance — 3-Hour Relay Marathon

terrain

Type — Running

timer

69 days remaining

キッズラン（約1.6km）

Dec 13, 2026

straighten

Distance — 1.6K

terrain

Type — Running

timer

69 days remaining

Weather History

These values represent the 3-year monthly averages for December in Shosan City.

thermostat Temperature
3.1° / 11.1°
wb_sunny Feels like
-0.6° / 7.4°
light_mode Avg sunshine hours
7h 45m
water_drop Avg rainfall
1.5 mm
ac_unit Avg snowfall
—
air Avg wind speed
9.7 km/h (Light breeze)
opacity Sweat loss rate
Low
terrain Course conditions
Firm and slightly soft
sunny Max UV Index
Low (2.0)
humidity_mid Humidity
75.1%
wb_twilight Sunrise
06:55
nightlight Sunset
16:46

Hotels & Places to Stay

Things to Do Nearby

Tours and activities near Shosan City, powered by Viator.

Loading nearby tours and activities…

Runner Reviews

Read what other athletes have to say about their experience at the 4th Biwako Earth Citizens' Forest Relay Marathon (第4回 びわこ地球市民の森リレーマラソン).

No reviews yet

Be the first to share your experience with the community!

Suggest an edit

Spotted an error or missing detail about the 4th Biwako Earth Citizens' Forest Relay Marathon (第4回 びわこ地球市民の森リレーマラソン)? Help us improve.

Nearby Races

Explore other exciting events happening in this same region.

5th Health & Happiness City Kusatsu Run Festival (第5回 健幸都市くさつランフェスティバル)

5th Health & Happiness City Kusatsu Run Festival …

location_on Kusatsu, Shiga, JP

calendar_today Nov 28, 2026

Other 10K Ultra
2027 Higashiomi City New Year Marathon (2027東近江市新春マラソン大会)

2027 Higashiomi City New Year Marathon (2027東近江市新…

location_on Higashiomi, Shiga, JP

calendar_today Jan 10, 2027

5K 10K
Ecomarathon de Kyōto Yawata

Ecomarathon de Kyōto Yawata

location_on Kyōto, Shiga, JP

calendar_today Nov 22, 2026

5K 10K Half-Marathon
2nd Arashiyama Cold Resistance Fortune Relay Marathon 2027 ~Try Your Luck to Become a Millionaire!~ (第2回 嵐山耐寒開運リレーマラソン2027～ミリオネア目指して運試し！～)

2nd Arashiyama Cold Resistance Fortune Relay Mara…

location_on Kyoto, Kyoto, JP

calendar_today Jan 10, 2027

Marathon

Recommended for You

Hand-picked events we think you’ll love.

Fall Running Camp

Oct 05, 2026

Fall Running Camp

Better 5K Camp 🏃‍♀️🏃‍♂️ You can run a 5K. Now let’s run one stronger! Our 10-Week Better 5K Camp is designed for runner…

Read more
Delmarva Christian XC Tri Meet

Oct 05, 2026

Delmarva Christian XC Tri Meet

Read more
OH1 STEPS Virtual Walk for Pediatric Cancer

Oct 05, 2026

OH1 STEPS Virtual Walk for Pediatric Cancer

Walk wherever you are and help support pediatric cancer initiatives across Northwest Ohio. Complete one mile or choose …

Read more
Run Hard Florida

Oct 05, 2026

Run Hard Florida

The Run Hard Running Team is an eight week program for Elementary and Middle Schoolers that builds confidence in kids t…

Read more

Get race deals & updates

Subscribe to our newsletter for curated race picks and discounts.