Flat grade share
- Omaha Marathon
- 86.8% Favoured
TBK Bank Quad Cities Marathon vs Omaha Marathon
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofTBK Bank Quad Cities Marathon or Omaha 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
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%
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%
| Metric | TBK Bank Quad Cities Marathon | Omaha Marathon |
|---|---|---|
| Flat grade share | 85.7% | 86.8% ✓ |
| GAP factor (% slower than flat) | 0.2% ✓ | 0.3% |
| Uphill share | 7.5% | 6.8% |
| Steep-up share | 0.2% | 0.5% |
| Downhill share | 6.7% | 6.4% |
| Total ascent (m) | 180 m | 215 m |
| Climbing density (m/km) | 4.3 m/km | 5.1 m/km |
| Longest climb length (m) | 1,250 m | 1,060 m |
| Longest climb gain (m) | 35 m | 19 m |
| Longest climb average grade | 2.8% | 1.8% |
| Total descent (m) | 185 m | 216 m |
| Net elevation (m) | -5 m | -1 m |
| Max absolute grade | 9.0% | 11.5% |
| Start elevation (m) | 172 m | 298 m |
| Finish elevation (m) | 168 m | 298 m |
| Scenic score | 89/100 ✓ | 55/100 |
| Conditions | 59/100 ✓ | 51/100 |
GAP factor (% slower than flat)
- TBK Bank Quad Cities Marathon
- 0.2% Favoured
- Omaha Marathon
- 0.3%
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)
- TBK Bank Quad Cities Marathon
- 4.3 m/km
- Omaha Marathon
- 5.1 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
- TBK Bank Quad Cities Marathon
- 89/100 Favoured
- Omaha Marathon
- 55/100
Conditions
- TBK Bank Quad Cities Marathon
- 59/100 Favoured
- Omaha Marathon
- 51/100
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 | TBK Bank Quad Cities Marathon | Omaha 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 | Davenport, Iowa | Omaha, Nebraska |
| Actual distance | 42.2 km | 42.2 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Course type | Loop | Unavailable |
| Surface | Unavailable | Mostly concrete or asphalt with roughly 17 miles of flat terrain. |
| Elevation character | Flat | Gently Rolling |
| Terrain | Unavailable | Road |
| Scenery | Riverside, Island, City, Waterfront, Historic | Riverside, City, Waterfront, Parkland |
| Atmosphere | Unavailable | Community, Competitive |
| Technicality | Non Technical | Non Technical |
| Total ascent | 180 m | 215 m |
| Climbing density | 4.3 m/km | 5.1 m/km |
| Total descent | 185 m | 216 m |
| Net elevation | -5 m | -1 m |
| Max absolute grade | 9.0% | 11.5% |
| Flat grade share | 85.7% | 86.8% |
| GAP factor | 0.2% | 0.3% |
| Cutoff | 7:00:00 | 6:00:00 |
| Entry model | Open | Open |
| Qualifying status | Boston_equivalent | Boston_equivalent |
Schedule
- TBK Bank Quad Cities Marathon
Exact race date not confirmed. Event weekend starts 2026-09-27 (legacy event-level date).
- Omaha Marathon
Exact race date not confirmed. Event weekend starts 2026-09-27 (legacy event-level date).
Location
- TBK Bank Quad Cities Marathon
- Davenport, Iowa
- Omaha Marathon
- Omaha, Nebraska
Actual distance
- TBK Bank Quad Cities Marathon
- 42.2 km
- Omaha Marathon
- 42.2 km
raceindex.org mapped route held
- TBK Bank Quad Cities Marathon
- Held
- Omaha Marathon
- Held
raceindex.org elevation profile held
- TBK Bank Quad Cities Marathon
- Held
- Omaha Marathon
- Held
Course type
- TBK Bank Quad Cities Marathon
- Loop
- Omaha Marathon
- Unavailable
Surface
- TBK Bank Quad Cities Marathon
- Unavailable
- Omaha Marathon
- Mostly concrete or asphalt with roughly 17 miles of flat terrain.
Elevation character
- TBK Bank Quad Cities Marathon
- Flat
- Omaha Marathon
- Gently Rolling
Terrain
- TBK Bank Quad Cities Marathon
- Unavailable
- Omaha Marathon
- Road
Scenery
- TBK Bank Quad Cities Marathon
- Riverside, Island, City, Waterfront, Historic
- Omaha Marathon
- Riverside, City, Waterfront, Parkland
Atmosphere
- TBK Bank Quad Cities Marathon
- Unavailable
- Omaha Marathon
- Community, Competitive
Technicality
- TBK Bank Quad Cities Marathon
- Non Technical
- Omaha Marathon
- Non Technical
Total ascent
- TBK Bank Quad Cities Marathon
- 180 m
- Omaha Marathon
- 215 m
Climbing density
- TBK Bank Quad Cities Marathon
- 4.3 m/km
- Omaha Marathon
- 5.1 m/km
Total descent
- TBK Bank Quad Cities Marathon
- 185 m
- Omaha Marathon
- 216 m
Net elevation
- TBK Bank Quad Cities Marathon
- -5 m
- Omaha Marathon
- -1 m
Max absolute grade
- TBK Bank Quad Cities Marathon
- 9.0%
- Omaha Marathon
- 11.5%
Flat grade share
- TBK Bank Quad Cities Marathon
- 85.7%
- Omaha Marathon
- 86.8%
GAP factor
- TBK Bank Quad Cities Marathon
- 0.2%
- Omaha Marathon
- 0.3%
Cutoff
- TBK Bank Quad Cities Marathon
- 7:00:00
- Omaha Marathon
- 6:00:00
Entry model
- TBK Bank Quad Cities Marathon
- Open
- Omaha Marathon
- Open
Qualifying status
- TBK Bank Quad Cities Marathon
- Boston_equivalent
- Omaha 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, TBK Bank Quad Cities Marathon or Omaha 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.