Only metrics available for at least one side are shown. A ✓ marks the better value for each metric (higher-is-better aware). Scores are out of 100 when available. Ascent, climbing density, max absolute grade and median finish describe course or field context and are not marked as better or worse.
Same-distance comparisons are most meaningful; cross-distance metrics are contextual.
Race facts that change the decision
Race facts comparison
Fact
Endeavor Health Naperville Half Marathon, 10K & 5K
Endeavor Health Naperville Half Marathon, 10K & 5K
Race date
2026-10-18
2026-10-18
Location
Naperville, Illinois
Naperville, Illinois
Actual distance
21.1 km
10 km
RaceIndex mapped route held
Not held
Not held
RaceIndex elevation profile held
Not held
Not held
Course type
Loop
Unavailable
Surface
Paved roads
Unavailable
Elevation character
Flat
Unavailable
Terrain
Road
Road
Scenery
City, Historic, Riverside, Parkland
City, Historic, Riverside, Parkland
Atmosphere
Community, Festival
Community, Festival
Technicality
Non Technical
Unavailable
Cutoff
3:00:00
Unavailable
Entry model
Open
Open
Race date
Endeavor Health Naperville Half Marathon, 10K & 5K
2026-10-18
Endeavor Health Naperville Half Marathon, 10K & 5K
2026-10-18
Location
Endeavor Health Naperville Half Marathon, 10K & 5K
Naperville, Illinois
Endeavor Health Naperville Half Marathon, 10K & 5K
Naperville, Illinois
Actual distance
Endeavor Health Naperville Half Marathon, 10K & 5K
21.1 km
Endeavor Health Naperville Half Marathon, 10K & 5K
10 km
RaceIndex mapped route held
Endeavor Health Naperville Half Marathon, 10K & 5K
Not held
Endeavor Health Naperville Half Marathon, 10K & 5K
Not held
RaceIndex elevation profile held
Endeavor Health Naperville Half Marathon, 10K & 5K
Not held
Endeavor Health Naperville Half Marathon, 10K & 5K
Not held
Course type
Endeavor Health Naperville Half Marathon, 10K & 5K
Loop
Endeavor Health Naperville Half Marathon, 10K & 5K
Unavailable
Surface
Endeavor Health Naperville Half Marathon, 10K & 5K
Paved roads
Endeavor Health Naperville Half Marathon, 10K & 5K
Unavailable
Elevation character
Endeavor Health Naperville Half Marathon, 10K & 5K
Flat
Endeavor Health Naperville Half Marathon, 10K & 5K
Unavailable
Terrain
Endeavor Health Naperville Half Marathon, 10K & 5K
Road
Endeavor Health Naperville Half Marathon, 10K & 5K
Road
Scenery
Endeavor Health Naperville Half Marathon, 10K & 5K
City, Historic, Riverside, Parkland
Endeavor Health Naperville Half Marathon, 10K & 5K
City, Historic, Riverside, Parkland
Atmosphere
Endeavor Health Naperville Half Marathon, 10K & 5K
Community, Festival
Endeavor Health Naperville Half Marathon, 10K & 5K
Community, Festival
Technicality
Endeavor Health Naperville Half Marathon, 10K & 5K
Non Technical
Endeavor Health Naperville Half Marathon, 10K & 5K
Unavailable
Cutoff
Endeavor Health Naperville Half Marathon, 10K & 5K
3:00:00
Endeavor Health Naperville Half Marathon, 10K & 5K
Unavailable
Entry model
Endeavor Health Naperville Half Marathon, 10K & 5K
Open
Endeavor Health Naperville Half Marathon, 10K & 5K
Open
Facts are shown only when they exist in the sourced race record; Not held means no sourced value is held for that race.
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 .