Flat grade share
- TBK Bank Quad Cities Marathon Relay
- 85.7% Favoured
Cedar Rapids Marathon Relay 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 ofCedar Rapids Marathon Relay or TBK Bank Quad Cities Marathon Relay — which comes out ahead?
TBK Bank Quad Cities Marathon Relay has the stronger available profile on flat grade share, course flatness and scenery score.
Route comparison snapshot
Cedar Rapids Marathon Relay
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 1.4%
- flat grade share
- 63.8%
- lower ascent
- 454 m
- climbing density
- 10.8 m/km
- net elevation
- -1 m
- maximum grade
- 15.8%
TBK Bank Quad Cities Marathon Relay
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.2% Favoured
- flat grade share
- 85.7% Favoured
- lower ascent
- 180 m
- climbing density
- 4.3 m/km
- net elevation
- -5 m
- maximum grade
- 9.0%
| Metric | Cedar Rapids Marathon Relay | TBK Bank Quad Cities Marathon Relay |
|---|---|---|
| Flat grade share | 63.8% | 85.7% ✓ |
| GAP factor (% slower than flat) | 1.4% | 0.2% ✓ |
| Uphill share | 19.0% | 7.5% |
| Steep-up share | 4.3% | 0.2% |
| Downhill share | 17.2% | 6.7% |
| Total ascent (m) | 454 m | 180 m |
| Climbing density (m/km) | 10.8 m/km | 4.3 m/km |
| Longest climb length (m) | 480 m | 1,250 m |
| Longest climb gain (m) | 36 m | 35 m |
| Longest climb average grade | 7.5% | 2.8% |
| Total descent (m) | 455 m | 185 m |
| Net elevation (m) | -1 m | -5 m |
| Max absolute grade | 15.8% | 9.0% |
| Start elevation (m) | 217 m | 172 m |
| Finish elevation (m) | 215 m | 168 m |
| Scenic score | 57/100 | 68/100 ✓ |
| Conditions | 75/100 ✓ | 59/100 |
GAP factor (% slower than flat)
- TBK Bank Quad Cities Marathon Relay
- 0.2% Favoured
Uphill share
Steep-up share
Downhill share
Total ascent (m)
Climbing density (m/km)
- Cedar Rapids Marathon Relay
- 10.8 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 Relay
- 68/100 Favoured
Conditions
- Cedar Rapids Marathon Relay
- 75/100 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 | Cedar Rapids Marathon Relay | TBK Bank Quad Cities Marathon Relay |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2027-04-25 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-09-27 (legacy event-level date). |
| Location | Cedar Rapids, 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 |
| Scenery | City, Waterfront, Riverside, Historic, Parkland | City, Riverside, Waterfront, Island, Historic |
| Atmosphere | Community, Festival | Unavailable |
| Total ascent | 454 m | 180 m |
| Climbing density | 10.8 m/km | 4.3 m/km |
| Total descent | 455 m | 185 m |
| Net elevation | -1 m | -5 m |
| Max absolute grade | 15.8% | 9.0% |
| Flat grade share | 63.8% | 85.7% |
| GAP factor | 1.4% | 0.2% |
| Cutoff | 7:00:00 | Unavailable |
| Entry model | Open | Open |
Schedule
- Cedar Rapids Marathon Relay
Exact race date not confirmed. Event weekend starts 2027-04-25 (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
- Cedar Rapids Marathon Relay
- Cedar Rapids, Iowa
- TBK Bank Quad Cities Marathon Relay
- Davenport, Iowa
Actual distance
- Cedar Rapids Marathon Relay
- 42.2 km
- TBK Bank Quad Cities Marathon Relay
- 42.2 km
raceindex.org mapped route held
- Cedar Rapids Marathon Relay
- Held
- TBK Bank Quad Cities Marathon Relay
- Held
raceindex.org elevation profile held
- Cedar Rapids Marathon Relay
- Held
- TBK Bank Quad Cities Marathon Relay
- Held
Scenery
- Cedar Rapids Marathon Relay
- City, Waterfront, Riverside, Historic, Parkland
- TBK Bank Quad Cities Marathon Relay
- City, Riverside, Waterfront, Island, Historic
Atmosphere
- Cedar Rapids Marathon Relay
- Community, Festival
- TBK Bank Quad Cities Marathon Relay
- Unavailable
Total ascent
- Cedar Rapids Marathon Relay
- 454 m
- TBK Bank Quad Cities Marathon Relay
- 180 m
Climbing density
- Cedar Rapids Marathon Relay
- 10.8 m/km
- TBK Bank Quad Cities Marathon Relay
- 4.3 m/km
Total descent
- Cedar Rapids Marathon Relay
- 455 m
- TBK Bank Quad Cities Marathon Relay
- 185 m
Net elevation
- Cedar Rapids Marathon Relay
- -1 m
- TBK Bank Quad Cities Marathon Relay
- -5 m
Max absolute grade
- Cedar Rapids Marathon Relay
- 15.8%
- TBK Bank Quad Cities Marathon Relay
- 9.0%
Flat grade share
- Cedar Rapids Marathon Relay
- 63.8%
- TBK Bank Quad Cities Marathon Relay
- 85.7%
GAP factor
- Cedar Rapids Marathon Relay
- 1.4%
- TBK Bank Quad Cities Marathon Relay
- 0.2%
Cutoff
- Cedar Rapids Marathon Relay
- 7:00:00
- TBK Bank Quad Cities Marathon Relay
- Unavailable
Entry model
- Cedar Rapids Marathon Relay
- Open
- TBK Bank Quad Cities Marathon Relay
- Open
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, Cedar Rapids Marathon Relay or TBK Bank Quad Cities Marathon Relay?
TBK Bank Quad Cities Marathon Relay has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.