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
Williams Route 66 Marathon
Williams Route 66 Marathon Half Marathon
Race date
2026-11-21
2026-11-21
Location
Tulsa, Oklahoma
Tulsa, Oklahoma
Actual distance
42.2 km
21.1 km
RaceIndex mapped route held
Not held
Not held
RaceIndex elevation profile held
Not held
Not held
Course type
Loop
Unavailable
Surface
Road/pavement
Unavailable
Elevation character
Rolling
Unavailable
Terrain
Road
Unavailable
Scenery
Riverside, City, Historic, Parkland
City, Historic, Riverside, Parkland
Atmosphere
Big City, Community, Destination
Big City, Community, Destination
Technicality
Non Technical
Unavailable
Total ascent
250 m
Unavailable
Total descent
255 m
Unavailable
Net elevation
-5 m
Unavailable
Cutoff
7:30:00
7:30:00
Latest finishers
818
Unavailable
Entry model
Open
Open
Qualifying status
Boston_equivalent
Unavailable
Race date
Williams Route 66 Marathon
2026-11-21
Williams Route 66 Marathon Half Marathon
2026-11-21
Location
Williams Route 66 Marathon
Tulsa, Oklahoma
Williams Route 66 Marathon Half Marathon
Tulsa, Oklahoma
Actual distance
Williams Route 66 Marathon
42.2 km
Williams Route 66 Marathon Half Marathon
21.1 km
RaceIndex mapped route held
Williams Route 66 Marathon
Not held
Williams Route 66 Marathon Half Marathon
Not held
RaceIndex elevation profile held
Williams Route 66 Marathon
Not held
Williams Route 66 Marathon Half Marathon
Not held
Course type
Williams Route 66 Marathon
Loop
Williams Route 66 Marathon Half Marathon
Unavailable
Surface
Williams Route 66 Marathon
Road/pavement
Williams Route 66 Marathon Half Marathon
Unavailable
Elevation character
Williams Route 66 Marathon
Rolling
Williams Route 66 Marathon Half Marathon
Unavailable
Terrain
Williams Route 66 Marathon
Road
Williams Route 66 Marathon Half Marathon
Unavailable
Scenery
Williams Route 66 Marathon
Riverside, City, Historic, Parkland
Williams Route 66 Marathon Half Marathon
City, Historic, Riverside, Parkland
Atmosphere
Williams Route 66 Marathon
Big City, Community, Destination
Williams Route 66 Marathon Half Marathon
Big City, Community, Destination
Technicality
Williams Route 66 Marathon
Non Technical
Williams Route 66 Marathon Half Marathon
Unavailable
Total ascent
Williams Route 66 Marathon
250 m
Williams Route 66 Marathon Half Marathon
Unavailable
Total descent
Williams Route 66 Marathon
255 m
Williams Route 66 Marathon Half Marathon
Unavailable
Net elevation
Williams Route 66 Marathon
-5 m
Williams Route 66 Marathon Half Marathon
Unavailable
Cutoff
Williams Route 66 Marathon
7:30:00
Williams Route 66 Marathon Half Marathon
7:30:00
Latest finishers
Williams Route 66 Marathon
818
Williams Route 66 Marathon Half Marathon
Unavailable
Entry model
Williams Route 66 Marathon
Open
Williams Route 66 Marathon Half Marathon
Open
Qualifying status
Williams Route 66 Marathon
Boston_equivalent
Williams Route 66 Marathon Half Marathon
Unavailable
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 .