Race Discovery
Iowa Trail Run Series: Yellow River State Forest
Iowa Trail Run Series: Yellow River State Forest logo

Iowa Trail Run Series: Yellow River State Forest

Harpers Ferry, Iowa, United States
Sep 20, 2026
Running

About this race

The driftless region of Iowa is like no other place in the state. Run with us at Yellow River State Forest to experience a variety of terrain and beautiful views of the surrounding valleys. We'll have a half marathon, 10K, and 5K to challenge all abilities of trail runner! 

The Iowa Trail Run Series is not about spending a bunch of cash for no reason. You'll get a great race with clear marking and course support, with basic timing, a cool custom bib, and a rotating race item such as a BUFF, socks, a stocking cap, coffee mug, and aluminum water bottle. Signing up for the entire series includes an exclusive series gift! Do you want a really soft and comfy tri-blend shirt with one of our Animal Icons? Great! Add one during your registration. We know some people have enough stuff in their closet and others may want to commemorate the day! Plenty of post-race food to refuel! Games! Giveaways from sponsors!

Join fellow runners on September 20, 2026 for the Iowa Trail Run Series: Yellow River State Forest. It's a fantastic 5K, 10K, Half-Marathon featuring a flat and fast course in Harpers Ferry.

Pick your distance

Running

5K

Sep 20, 2026 5K 8:00 AM
$40.00
Open

10K

Sep 20, 2026 10K 8:00 AM
$40.00
Open

Half Marathon

Sep 20, 2026 Half-Marathon 8:00 AM
$55.00
Open

Weather Overview

These values represent the 6-year monthly averages for September in Harpers Ferry.

Temp (°C)
Minimum temperature (monthly average) 16.3° / Maximum temperature (monthly average) 26.5°
Feels Like (°C)
Minimum feels like (with wind chill; monthly average) 16.3° / Maximum feels like (with wind chill; monthly average) 26.5°
Wind (km/h)
Average wind speed (monthly average)
17.4
Precipitation (mm)
Average precipitation (monthly average)
8.6mm

About Harpers Ferry

Iowa Trail Run Series: Yellow River State Forest takes place in Harpers Ferry, Iowa, United States. The local timezone is America/Chicago.

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Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.

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