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About RaceIndexOur methodologyData coverageCyclingTriathlon
  • Half Marathon
  • 21.1 km
  • Naperville
  • Event weekend starts
  • Open entry

Endeavor Health Naperville Half Marathon, 10K & 5K Half Marathon

This race edition

Race date
Date not confirmed for this distance
Race timezone
Timezone not confirmed
Edition status
Status not confirmed

Entry options

2026 edition

Entry options are not yet confirmed for this edition. Check the organiser before making plans.

Official event website & entry ↗
Plan my trainingPlan my paceData current as of

Decision summary

Endeavor Health Naperville Half Marathon, 10K & 5K Half Marathon at a glance

Cut-off average pace
8:32/km

3:00:00 total limit divided by distance. Check gun/chip timing and intermediate limits; allow time for stops.

Typical conditions
80/100

Historical race-date favourability, not a forecast

Evidence depth
36 verified facts

Source facts available

Route details

Known course facts at a glance

Methodology →

Endeavor Health Naperville Half Marathon, 10K & 5K Half Marathon has known course details for its half marathon race. The summary below keeps the focus on what is confirmed for the course.

Official distance
21.1 km
Terrain
Road
Scenery
City, Historic, Riverside, Parkland

Quick answers

What runners ask first

Where can I find the Endeavor Health Naperville Half Marathon, 10K & 5K route map?

Use the official course links on this page for the organiser route page, map PDF or route download.

Official course links

How hilly is the Endeavor Health Naperville Half Marathon, 10K & 5K?

The Endeavor Health Naperville Half Marathon, 10K & 5K is described as flat. The course notes also call it a relatively flat loop touring central Naperville.

Where does the Endeavor Health Naperville Half Marathon, 10K & 5K route go?

The Endeavor Health Naperville Half Marathon, 10K & 5K route starts at All races begin at 7 a.m. on Eagle St. just north of Aurora Ave. between Jackson Ave. and Aurora Ave. in downtown Naperville and finishes at Eagle St. near the heart of downtown Naperville (start/finish on Eagle St.). Underfoot, expect paved roads. It passes Downtown Naperville, Naperville North High School and Naperville neighborhoods. A relatively flat loop touring central Naperville.

What should runners know on race day for the Endeavor Health Naperville Half Marathon, 10K & 5K?

Race-day packet pickup Sunday Oct 18, 5:30-6:30 am at the Command Center, NE corner of Jackson Ave. and Eagle St. 6. An official team of pacers is provided for runners to run with.

Race character

Scenery

  • City
  • Historic
  • Riverside
  • Parkland

Atmosphere

  • Community
  • Festival

Terrain

  • Road
Elevation character
Flat
Technicality
Non Technical

Entry, logistics and records

Records and field

Typical finish
2:15:54
Average finish
2:15:54

Entry requirements

Entry status
Open entry: The held registration model is open entry and this edition is not marked sold out.
Cut-off
Course road blocks come down and aid stations close at a 13:45 per mile pace for the half marathon and 10K, equating to a 3-hour half marathon limit
Qualification status
Not a Boston qualifier (half Marathon distance); open Registration road race

Race day logistics

Aid stations
6
Pacers
An official team of pacers is provided for runners to run with
Bag drop
Race-day packet pickup Sunday Oct 18, 5:30-6:30 am at the Command Center, NE corner of Jackson Ave. and Eagle St.
Expo / packet pickup
Packet pickup Friday Oct 16 (10am-6pm) and Saturday Oct 17 (10am-4:30pm) at Endeavor Health Fitness and Wellness Center - Seven Bridges, Woodridge IL
Race village
No
Medal
Every finisher of the half marathon, 10K and 5K receives a medal when they cross the finish line; consecutive-year finisher medals and premium awards as qualified, plus Chicagoland Distance Challenge medals

Access and course status

Start
All races begin at 7 a.m. on Eagle St., just north of Aurora Ave., between Jackson Ave. and Aurora Ave. in downtown Naperville
Finish
Eagle St., near the heart of downtown Naperville (start/finish on Eagle St.)
Spectator friendliness
high

Course facts

Course type
Loop
Surface
Paved roads
Landmarks
Downtown Naperville, Naperville North High School, Naperville neighborhoods
Notable features
  • Personalized race bibs, post-race food, official pace team, and optional merchandise (shirts/hoodies sold separately)
  • virtual race option run October 1-31 for contiguous US
  • A relatively flat loop touring central Naperville
  • runners can see others ahead and behind while racing around Naperville North High School
  • scenic with spectator spots along the course
  • Six aid stations near miles 2, 4, 6, 8, 10 and 12 on the half marathon

What are typical race-day conditions?

  • 12°CTypical temperature
  • 21 kphTypical wind
  • 3 mmTypical rainfall
  • 80Favourability /100
Typical conditions for the race date and locality, within the endurance-optimal window. These are climatological norms, not a forecast, and are shared across every distance at this event.

How we calculated this

Published facts and derived model outputs on this page are tied to stored sources or a published, version-locked methodology. We show the provenance so runners, coaches and organisers can check it. Data on this page is current as of .

Derived numbers use scoring-methodology-v1.0.

Sources used on this page (2)

Read the full methodology →