The In Yan Teopa 5 & 10 miler returns to Frontenac State Park in Minnesota on September 26th, offering runners the chance to explore miles of scenic trails. This event features two challenging courses: a 10-mile route and a 5-mile course, both winding through rolling prairies and winding single-track paths within the park. On race morning at Frontenac State Park, participants can expect cool temperatures around 7am as they gather for bib pick-up near the picnic shelter. The air is crisp with an average temperature of about 19 degrees Celsius throughout the day, making it ideal for trail running without overheating risks or excessive humidity that typically ranges between 60-85%. Established in recent years to cater to both casual and competitive runners seeking a unique challenge on unpaved terrain, the In Yan Teopa Trail Race has quickly become a highlight of Minnesota’s autumn racing calendar. With its picturesque setting around Frontenac Lake and along historic trails, this event attracts over 200 participants annually who come together not just for competition but also to support local conservation efforts. The race courses traverse varied terrain with firm yet slightly soft surfaces perfect for trail running shoes or light hiking boots. Runners will encounter rolling hills and technical sections that test endurance as well as agility, culminating in stunning views overlooking Frontenac Lake. Aid stations are strategically placed along both routes providing water, fruit, snacks, and other surprises designed to keep runners fueled throughout their journey. Weather conditions on race day should feel comfortable with temperatures ranging from 15 degrees Celsius at the coolest point early morning up to a high of approximately 24 degrees by midday. Participants can expect slight precipitation risks due to an average rainfall amounting to around 2.6mm, though this is unlikely to significantly disrupt course conditions which remain firm and slightly soft underfoot. The In Yan Teopa Trail Race offers two challenging distances: the 10-mile event covering a total of 16.1 kilometers with a registration fee of $40, and the shorter but no less exhilarating 5-mile option spanning 8 kilometers priced at $30.
10 Miler 16.1K • Start: 08:00:00 • Fee: $40.00
5 Miler 8K • Start: 08:05:00 • Fee: $30.00
To register for the In Yan Teopa Trail Race, visit https://ultrasignup.com/register.aspx?did=132868. Early bird pricing is available until August 1st and regular registration closes on September 19th or when slots are filled. Bib pickup will take place from 7:00 am to 7:45 am at the picnic shelter near the top of Frontenac State Park, with runners required to bring a valid photo ID. The start location for both distances is located at 29223 County 28 Boulevard in Frontenac. Participants must be at least ten years old and are encouraged to wear appropriate attire suitable for trail running conditions including sturdy footwear that provides good traction on unpaved surfaces. Carrying your own water container is recommended as the park aims to reduce waste by asking runners not to rely solely on provided aid stations. The In Yan Teopa 5 & 10 miler at Frontenac State Park in Minnesota offers an unparalleled trail running experience set against a backdrop of natural beauty and challenging terrain. Whether you're looking for personal challenge or scenic adventure, this race is worth attending for its unique blend of athleticism and appreciation for the great outdoors on September 26th.
Races Offered
10 Miler
Sep 26, 2026
straighten
Distance —
16.1K
terrain
Type —
Running
timer
08:00
sell
$40.00
5 Miler
Sep 26, 2026
straighten
Distance —
8K
terrain
Type —
Running
timer
08:05
sell
$30.00
Weather History
These values represent the 3-year monthly averages for September in Frontenac.
thermostatTemperature
14.9° / 24.1°
wb_sunnyFeels like
14.0° / 23.3°
light_mode
Avg sunshine hours
10h 21m
water_drop
Avg rainfall
2.6 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
10.4 km/h (Light breeze)
opacity
Sweat loss rate
Moderate
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Moderate (5.0)
humidity_mid
Humidity
74.1%
wb_twilight
Sunrise
06:49
nightlight
Sunset
19:18
About Frontenac
Learn more about the host city, Frontenac.
Frontenac is an unincorporated community and census-designated place (CDP) in Florence Township, Goodhue County, Minnesota, United States, on the Mississippi River. As of the 2020 census, its population was 249.