Friends of Yellow River State Forest 5K, 10K & Half Marathon

Friends of Yellow River State Forest will be holding their 7th Annual 5K and 10K Trail Run/Walk and Half Marathon on Saturday, May 9, 2026.  10K starts at 8 a.m.  5K starts at 8:30 a.m. Half Marathon starts at 7:30 a.m.  Again this year, there will be an additional family-friendly, fast and flat 5K on Friday, May 8 at 6:30 p.m.

Check-in starts an hour before race time at YRSF Office, 737 State Forest Road, Harpers Ferry, Iowa.