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.
Race facts that change the decision
Race facts comparison
Fact
Naperville Women's Half Marathon & 5K
Springfield Marathon (New Berlin, Illinois) Half Marathon
Race date
2027-04-18
2026-11-07
Location
Naperville, Illinois
New Berlin, Illinois
Actual distance
21.1 km
21.1 km
RaceIndex mapped route held
Not held
Not held
RaceIndex elevation profile held
Not held
Not held
Course type
Loop
Loop
Surface
Paved roads
Unavailable
Elevation character
Flat
Unavailable
Terrain
Road
Road
Scenery
City, Riverside, Historic
Countryside, Vineyard, Waterfront
Atmosphere
Community, Festival
Unavailable
Technicality
Non Technical
Unavailable
Cutoff
4:00:00
Unavailable
Entry model
Open
Open
Race date
Naperville Women's Half Marathon & 5K
2027-04-18
Springfield Marathon (New Berlin, Illinois) Half Marathon
2026-11-07
Location
Naperville Women's Half Marathon & 5K
Naperville, Illinois
Springfield Marathon (New Berlin, Illinois) Half Marathon
New Berlin, Illinois
Actual distance
Naperville Women's Half Marathon & 5K
21.1 km
Springfield Marathon (New Berlin, Illinois) Half Marathon
21.1 km
RaceIndex mapped route held
Naperville Women's Half Marathon & 5K
Not held
Springfield Marathon (New Berlin, Illinois) Half Marathon
Not held
RaceIndex elevation profile held
Naperville Women's Half Marathon & 5K
Not held
Springfield Marathon (New Berlin, Illinois) Half Marathon
Not held
Course type
Naperville Women's Half Marathon & 5K
Loop
Springfield Marathon (New Berlin, Illinois) Half Marathon
Loop
Surface
Naperville Women's Half Marathon & 5K
Paved roads
Springfield Marathon (New Berlin, Illinois) Half Marathon
Unavailable
Elevation character
Naperville Women's Half Marathon & 5K
Flat
Springfield Marathon (New Berlin, Illinois) Half Marathon
Unavailable
Terrain
Naperville Women's Half Marathon & 5K
Road
Springfield Marathon (New Berlin, Illinois) Half Marathon
Road
Scenery
Naperville Women's Half Marathon & 5K
City, Riverside, Historic
Springfield Marathon (New Berlin, Illinois) Half Marathon
Countryside, Vineyard, Waterfront
Atmosphere
Naperville Women's Half Marathon & 5K
Community, Festival
Springfield Marathon (New Berlin, Illinois) Half Marathon
Unavailable
Technicality
Naperville Women's Half Marathon & 5K
Non Technical
Springfield Marathon (New Berlin, Illinois) Half Marathon
Unavailable
Cutoff
Naperville Women's Half Marathon & 5K
4:00:00
Springfield Marathon (New Berlin, Illinois) Half Marathon
Unavailable
Entry model
Naperville Women's Half Marathon & 5K
Open
Springfield Marathon (New Berlin, Illinois) Half Marathon
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 .