Flat grade share
- Omaha Marathon
- 86.8% Favoured
Omaha Marathon vs TBK Bank Quad Cities Marathon
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofOmaha Marathon or TBK Bank Quad Cities Marathon — which comes out ahead?
TBK Bank Quad Cities Marathon has the stronger available profile on course flatness, scenery score and conditions.
Route comparison snapshot
Omaha Marathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.3%
- flat grade share
- 86.8% Favoured
- lower ascent
- 215 m
- climbing density
- 5.1 m/km
- net elevation
- -1 m
- maximum grade
- 11.5%
TBK Bank Quad Cities Marathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.2% Favoured
- flat grade share
- 85.7%
- lower ascent
- 180 m
- climbing density
- 4.3 m/km
- net elevation
- -5 m
- maximum grade
- 9.0%
| Metric | Omaha Marathon | TBK Bank Quad Cities Marathon |
|---|---|---|
| Flat grade share | 86.8% ✓ | 85.7% |
| GAP factor (% slower than flat) | 0.3% | 0.2% ✓ |
| Uphill share | 6.8% | 7.5% |
| Steep-up share | 0.5% | 0.2% |
| Downhill share | 6.4% | 6.7% |
| Total ascent (m) | 215 m | 180 m |
| Climbing density (m/km) | 5.1 m/km | 4.3 m/km |
| Longest climb length (m) | 1,060 m | 1,250 m |
| Longest climb gain (m) | 19 m | 35 m |
| Longest climb average grade | 1.8% | 2.8% |
| Total descent (m) | 216 m | 185 m |
| Net elevation (m) | -1 m | -5 m |
| Max absolute grade | 11.5% | 9.0% |
| Start elevation (m) | 298 m | 172 m |
| Finish elevation (m) | 298 m | 168 m |
| Scenic score | 55/100 | 89/100 ✓ |
| Conditions | 51/100 | 59/100 ✓ |
GAP factor (% slower than flat)
- Omaha Marathon
- 0.3%
- TBK Bank Quad Cities Marathon
- 0.2% Favoured
Uphill share
- Omaha Marathon
- 6.8%
Steep-up share
- Omaha Marathon
- 0.5%
Downhill share
- Omaha Marathon
- 6.4%
Total ascent (m)
- Omaha Marathon
- 215 m
Climbing density (m/km)
- Omaha Marathon
- 5.1 m/km
- TBK Bank Quad Cities Marathon
- 4.3 m/km
Longest climb length (m)
- Omaha Marathon
- 1,060 m
Longest climb gain (m)
- Omaha Marathon
- 19 m
Longest climb average grade
- Omaha Marathon
- 1.8%
Total descent (m)
- Omaha Marathon
- 216 m
Net elevation (m)
- Omaha Marathon
- -1 m
Max absolute grade
- Omaha Marathon
- 11.5%
Start elevation (m)
- Omaha Marathon
- 298 m
Finish elevation (m)
- Omaha Marathon
- 298 m
Scenic score
- Omaha Marathon
- 55/100
- TBK Bank Quad Cities Marathon
- 89/100 Favoured
Conditions
- Omaha Marathon
- 51/100
- TBK Bank Quad Cities Marathon
- 59/100 Favoured
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
| Fact | Omaha Marathon | TBK Bank Quad Cities Marathon |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2026-09-27 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-09-27 (legacy event-level date). |
| Location | Omaha, Nebraska | Davenport, Iowa |
| Actual distance | 42.2 km | 42.2 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Course type | Unavailable | Loop |
| Surface | Mostly concrete or asphalt with roughly 17 miles of flat terrain. | Unavailable |
| Elevation character | Gently Rolling | Flat |
| Terrain | Road | Unavailable |
| Scenery | Riverside, City, Waterfront, Parkland | Riverside, Island, City, Waterfront, Historic |
| Atmosphere | Community, Competitive | Unavailable |
| Technicality | Non Technical | Non Technical |
| Total ascent | 215 m | 180 m |
| Climbing density | 5.1 m/km | 4.3 m/km |
| Total descent | 216 m | 185 m |
| Net elevation | -1 m | -5 m |
| Max absolute grade | 11.5% | 9.0% |
| Flat grade share | 86.8% | 85.7% |
| GAP factor | 0.3% | 0.2% |
| Cutoff | 6:00:00 | 7:00:00 |
| Entry model | Open | Open |
| Qualifying status | Boston_equivalent | Boston_equivalent |
Schedule
- Omaha Marathon
Exact race date not confirmed. Event weekend starts 2026-09-27 (legacy event-level date).
- TBK Bank Quad Cities Marathon
Exact race date not confirmed. Event weekend starts 2026-09-27 (legacy event-level date).
Location
- Omaha Marathon
- Omaha, Nebraska
- TBK Bank Quad Cities Marathon
- Davenport, Iowa
Actual distance
- Omaha Marathon
- 42.2 km
- TBK Bank Quad Cities Marathon
- 42.2 km
raceindex.org mapped route held
- Omaha Marathon
- Held
- TBK Bank Quad Cities Marathon
- Held
raceindex.org elevation profile held
- Omaha Marathon
- Held
- TBK Bank Quad Cities Marathon
- Held
Course type
- Omaha Marathon
- Unavailable
- TBK Bank Quad Cities Marathon
- Loop
Surface
- Omaha Marathon
- Mostly concrete or asphalt with roughly 17 miles of flat terrain.
- TBK Bank Quad Cities Marathon
- Unavailable
Elevation character
- Omaha Marathon
- Gently Rolling
- TBK Bank Quad Cities Marathon
- Flat
Terrain
- Omaha Marathon
- Road
- TBK Bank Quad Cities Marathon
- Unavailable
Scenery
- Omaha Marathon
- Riverside, City, Waterfront, Parkland
- TBK Bank Quad Cities Marathon
- Riverside, Island, City, Waterfront, Historic
Atmosphere
- Omaha Marathon
- Community, Competitive
- TBK Bank Quad Cities Marathon
- Unavailable
Technicality
- Omaha Marathon
- Non Technical
- TBK Bank Quad Cities Marathon
- Non Technical
Total ascent
- Omaha Marathon
- 215 m
- TBK Bank Quad Cities Marathon
- 180 m
Climbing density
- Omaha Marathon
- 5.1 m/km
- TBK Bank Quad Cities Marathon
- 4.3 m/km
Total descent
- Omaha Marathon
- 216 m
- TBK Bank Quad Cities Marathon
- 185 m
Net elevation
- Omaha Marathon
- -1 m
- TBK Bank Quad Cities Marathon
- -5 m
Max absolute grade
- Omaha Marathon
- 11.5%
- TBK Bank Quad Cities Marathon
- 9.0%
Flat grade share
- Omaha Marathon
- 86.8%
- TBK Bank Quad Cities Marathon
- 85.7%
GAP factor
- Omaha Marathon
- 0.3%
- TBK Bank Quad Cities Marathon
- 0.2%
Cutoff
- Omaha Marathon
- 6:00:00
- TBK Bank Quad Cities Marathon
- 7:00:00
Entry model
- Omaha Marathon
- Open
- TBK Bank Quad Cities Marathon
- Open
Qualifying status
- Omaha Marathon
- Boston_equivalent
- TBK Bank Quad Cities Marathon
- Boston_equivalent
Facts are shown only when they exist in the sourced race record; Not held means no sourced value is held for that race.
Common questions
Which is flatter, Omaha Marathon or TBK Bank Quad Cities Marathon?
TBK Bank Quad Cities Marathon has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.