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runsignup.com

Summer Night Trail Run

calendar_today 15 Aug, 2026

directions_run Running

language Official Website

sell $40.00 – $54.00

Summer Night Trail Run

About the Event

The Summer Night Trail Run returns to Eagle Creek Park in Indianapolis, Indiana on August 15th, inviting runners of all levels to experience the magic of a summer night under the stars. This annual event transforms the park into a vibrant hub of activity as participants take part in either the half marathon or quarter marathon routes, each offering unique challenges and unforgettable moments.
Eagle Creek Park comes alive during these warm August evenings when the sun sets early and leaves behind a canvas of twilight for runners to enjoy. The trail winds through lush greenery dotted with small lakes and rolling hills, creating an enchanting backdrop that changes subtly as night falls. With the cool air sweeping in from nearby canyons and creeks, this run feels like a breath of fresh summer breeze, making it hard not to feel energized despite the later hour.
Since its inception 13 years ago, the Summer Night Trail Run has become more than just an athletic event; it’s a tradition that brings together local communities in Indianapolis. Each year sees hundreds of runners participating, all united by their love for trail running and the unique atmosphere this race provides. In addition to recognizing top finishers with awards, organizers have made sure there's something special at the end: Krispy Kreme donuts await every runner as they cross the finish line, adding a sweet note to an already memorable evening.
The Summer Night Trail Run takes place along well-maintained trails within Eagle Creek Park. The half marathon route covers 13.1 miles while the quarter marathon spans 6.55 miles, both offering scenic views and varied terrain that keep runners engaged throughout their journey. Hard-packed dirt and gravel paths form most of the surface with occasional stretches of softer ground around water features.
Runners start near the park's main entrance where a bustling atmosphere sets the tone for the evening ahead. As they make their way along the trail, slight elevation changes become part of the route’s character, adding both challenge and reward to each stride. Aid stations are strategically placed every few miles to ensure hydration remains within reach even as darkness falls.
Weather conditions on August 15th typically bring mild temperatures with average highs around 28°C (feeling like a comfortable 23°C) under the cover of evening skies. Humidity levels hover at about 70%, creating an environment that is neither too dry nor overly damp, perfect for runners to maintain their pace without overheating or feeling weighed down by moisture.
Half Marathon
13.1 Miles  •  Start: 21:30:00  •  Fee: $54.00
Quarter Marathon
6.55 Miles  •  Start: 21:30:00  •  Fee: $40.00

Half Marathon | Distance: 13.1 Miles | Fee: $54.00
Quarter Marathon | Distance: 6.55 Miles | Fee: $40.00
Runners looking to join the fun can sign up at https://runsignup.com/Race/IN/Indianapolis/SummerNightTrailRun. Early bird pricing is available until July, with standard registration opening after that date and closing once full capacity is reached or a week before the event. Bib pickup will take place on race day from 5:00 PM to 7:30 PM at Eagle Creek Park's main entrance where participants can collect their numbers along with any additional information needed for check-in.
All runners must be present at bib pick-up, ready to show valid photo identification and proof of age if under 18. For first-time attendees, it’s important to arrive early enough on race day to familiarize yourself with the course layout before starting time. Don’t forget your comfortable running shoes and hydration gear as you prepare for this unique event in Indianapolis.
The Summer Night Trail Run at Eagle Creek Park is more than just a run; it's an experience that celebrates community, athletics, and the beauty of summer nights in Indiana. Join us on August 15th to see why runners from across the region return year after year for one unforgettable evening under the stars.

Races Offered

Half Marathon

Aug 15, 2026

straighten

Distance — 13.1 Miles

terrain

Type — Running

timer

21:30

sell

$54.00

Quarter Marathon

Aug 15, 2026

straighten

Distance — 6.55 Miles

terrain

Type — Running

timer

21:30

sell

$40.00

Weather History

These values represent the 3-year monthly averages for August in Indianapolis.

thermostat Temperature
18.2° / 28.4°
wb_sunny Feels like
18.7° / 28.6°
light_mode Avg sunshine hours
11h 44m
water_drop Avg rainfall
2.2 mm
ac_unit Avg snowfall
air Avg wind speed
9.1 km/h (Light breeze)
opacity Sweat loss rate
High
terrain Course conditions
Hard and dry surface
sunny Max UV Index
High (7.0)
humidity_mid Humidity
70.1%
wb_twilight Sunrise
06:57
nightlight Sunset
20:38

About Indianapolis

Learn more about the host city, Indianapolis.

Scenic view of

Indianapolis is the capital of Indiana and also the state’s largest city. Efforts to beautify and modernize the city have brought Indianapolis into the 21st century as a world-class destination for everything from business meetings and trade conventions to backpackers making their way across the States.

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