Endeavor Health Naperville Half Marathon, 10K & 5K
Endeavor Health Naperville Half Marathon, 10K & 5K is listed for October 18, 2026 in Naperville, Illinois, United States. Listed distances: Half Marathon, 10K, 5K. Check registration status, official links, and the runner planning notes below, then confirm final details with the organizer.
About this race
A scenic fall race through Naperville's riverfront and historic downtown neighborhoods.
Is this race a fit?
These notes are generated from listed Sunday Marathon race facts. They are meant for shortlisting and planning, not as a replacement for official organizer instructions.
- Date And Schedule
Endeavor Health Naperville Half Marathon, 10K & 5K is currently listed for October 18, 2026, which makes the October planning window important for training and travel. Recheck official timing before race week.
- Location Base
Plan around Naperville, Illinois, United States, then verify the exact start area, finish area, packet pickup, and post-race exit route before booking non-refundable travel.
- Course Fit
Listed course signals include road surface, loop course, certified course, 30 m elevation gain listed. Use them to compare effort, pacing risk, and training fit before relying on the race for a specific goal.
- Entry Readiness
A registration path is listed; review entry rules, refund terms, and transfer policies before paying.
Key facts
- Date
- October 18, 2026
- Start area
- Naperville Riverwalk — Naperville, IL — confirm the exact start with the organizer
- Events
- Half Marathon, 10K, 5K
- Entry from
- $45.00 — confirm on the official source
- Surface
- Road · Certified
- Certified course
- USATF
- Official source
- Registration page & official site
- Listing status
- Verified · updated May 21, 2026
Before you register
- 1Confirm the race-day schedule
Verify the October 18, 2026 start times, packet pickup (collecting your race bib) and corral (your assigned start group) instructions on the official source before booking travel.
- 2Pin the exact start area
Use Illinois as the planning region, then confirm the precise start, finish, parking and transport with the organizer.
- 3Pick your distance
Listed options are Half Marathon, 10K, 5K. Check the source for current per-distance availability and limits.
- 4Review entry terms
Read entry rules, refund terms, participant limits and transfer rules before you pay.
Runner reviews
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