TBK Bank Quad Cities Marathon vs TBK Bank Quad Cities Marathon Relay
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 TBK Bank Quad Cities Marathon Relay — which comes out ahead?
TBK Bank Quad Cities Marathon has the stronger available profile on scenery score.
Route comparison snapshot
TBK Bank Quad Cities Marathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.2%
- flat grade share
- 85.7%
- lower ascent
- 180 m
- climbing density
- 4.3 m/km
- net elevation
- -5 m
- maximum grade
- 9.0%
TBK Bank Quad Cities Marathon Relay
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.2%
- flat grade share
- 85.7%
- lower ascent
- 180 m
- climbing density
- 4.3 m/km
- net elevation
- -5 m
- maximum grade
- 9.0%
| Metric | TBK Bank Quad Cities Marathon | TBK Bank Quad Cities Marathon Relay |
|---|---|---|
| Flat grade share | 85.7% | 85.7% |
| GAP factor (% slower than flat) | 0.2% | 0.2% |
| Uphill share | 7.5% | 7.5% |
| Steep-up share | 0.2% | 0.2% |
| Downhill share | 6.7% | 6.7% |
| Total ascent (m) | 180 m | 180 m |
| Climbing density (m/km) | 4.3 m/km | 4.3 m/km |
| Longest climb length (m) | 1,250 m | 1,250 m |
| Longest climb gain (m) | 35 m | 35 m |
| Longest climb average grade | 2.8% | 2.8% |
| Total descent (m) | 185 m | 185 m |
| Net elevation (m) | -5 m | -5 m |
| Max absolute grade | 9.0% | 9.0% |
| Start elevation (m) | 172 m | 172 m |
| Finish elevation (m) | 168 m | 168 m |
| Scenic score | 89/100 ✓ | 68/100 |
| Conditions | 59/100 | 59/100 |
GAP factor (% slower than flat)
Uphill share
Steep-up share
Downhill share
Total ascent (m)
Climbing density (m/km)
- TBK Bank Quad Cities Marathon
- 4.3 m/km
Longest climb length (m)
Longest climb gain (m)
Longest climb average grade
Total descent (m)
Net elevation (m)
Max absolute grade
Start elevation (m)
Finish elevation (m)
Scenic score
- TBK Bank Quad Cities Marathon
- 89/100 Favoured
Conditions
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
| Fact | TBK Bank Quad Cities Marathon | TBK Bank Quad Cities Marathon Relay |
|---|---|---|
| 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 | 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 | Loop | Unavailable |
| Elevation character | Flat | Unavailable |
| Scenery | Riverside, Island, City, Waterfront, Historic | City, Riverside, Waterfront, Island, Historic |
| Technicality | Non Technical | Unavailable |
| Total ascent | 180 m | 180 m |
| Climbing density | 4.3 m/km | 4.3 m/km |
| Total descent | 185 m | 185 m |
| Net elevation | -5 m | -5 m |
| Max absolute grade | 9.0% | 9.0% |
| Flat grade share | 85.7% | 85.7% |
| GAP factor | 0.2% | 0.2% |
| Cutoff | 7:00:00 | Unavailable |
| Entry model | Open | Open |
| Qualifying status | Boston_equivalent | Unavailable |
Schedule
- TBK Bank Quad Cities Marathon
Exact race date not confirmed. Event weekend starts 2026-09-27 (legacy event-level date).
- TBK Bank Quad Cities Marathon Relay
Exact race date not confirmed. Event weekend starts 2026-09-27 (legacy event-level date).
Location
- TBK Bank Quad Cities Marathon
- Davenport, Iowa
- TBK Bank Quad Cities Marathon Relay
- Davenport, Iowa
Actual distance
- TBK Bank Quad Cities Marathon
- 42.2 km
- TBK Bank Quad Cities Marathon Relay
- 42.2 km
raceindex.org mapped route held
- TBK Bank Quad Cities Marathon
- Held
- TBK Bank Quad Cities Marathon Relay
- Held
raceindex.org elevation profile held
- TBK Bank Quad Cities Marathon
- Held
- TBK Bank Quad Cities Marathon Relay
- Held
Course type
- TBK Bank Quad Cities Marathon
- Loop
- TBK Bank Quad Cities Marathon Relay
- Unavailable
Elevation character
- TBK Bank Quad Cities Marathon
- Flat
- TBK Bank Quad Cities Marathon Relay
- Unavailable
Scenery
- TBK Bank Quad Cities Marathon
- Riverside, Island, City, Waterfront, Historic
- TBK Bank Quad Cities Marathon Relay
- City, Riverside, Waterfront, Island, Historic
Technicality
- TBK Bank Quad Cities Marathon
- Non Technical
- TBK Bank Quad Cities Marathon Relay
- Unavailable
Total ascent
- TBK Bank Quad Cities Marathon
- 180 m
- TBK Bank Quad Cities Marathon Relay
- 180 m
Climbing density
- TBK Bank Quad Cities Marathon
- 4.3 m/km
- TBK Bank Quad Cities Marathon Relay
- 4.3 m/km
Total descent
- TBK Bank Quad Cities Marathon
- 185 m
- TBK Bank Quad Cities Marathon Relay
- 185 m
Net elevation
- TBK Bank Quad Cities Marathon
- -5 m
- TBK Bank Quad Cities Marathon Relay
- -5 m
Max absolute grade
- TBK Bank Quad Cities Marathon
- 9.0%
- TBK Bank Quad Cities Marathon Relay
- 9.0%
Flat grade share
- TBK Bank Quad Cities Marathon
- 85.7%
- TBK Bank Quad Cities Marathon Relay
- 85.7%
GAP factor
- TBK Bank Quad Cities Marathon
- 0.2%
- TBK Bank Quad Cities Marathon Relay
- 0.2%
Cutoff
- TBK Bank Quad Cities Marathon
- 7:00:00
- TBK Bank Quad Cities Marathon Relay
- Unavailable
Entry model
- TBK Bank Quad Cities Marathon
- Open
- TBK Bank Quad Cities Marathon Relay
- Open
Qualifying status
- TBK Bank Quad Cities Marathon
- Boston_equivalent
- TBK Bank Quad Cities Marathon Relay
- Unavailable
Facts are shown only when they exist in the sourced race record; Not held means no sourced value is held for that race.