Flat grade share
- Idaho Falls Marathon 5K
- 88.2% Favoured
Spring Dash (Coeur d'Alene) 5K vs Idaho Falls Marathon 5K
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofSpring Dash (Coeur d'Alene) 5K or Idaho Falls Marathon 5K — which comes out ahead?
Spring Dash (Coeur d'Alene) 5K and Idaho Falls Marathon 5K split the available advantages, so the better choice depends on which metric matters most to the runner.
Route comparison snapshot
Spring Dash (Coeur d'Alene) 5K
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 4.1%
- flat grade share
- 27.9%
- lower ascent
- 106 m
- climbing density
- 21.3 m/km
- net elevation
- 4 m
- maximum grade
- 22.5%
Idaho Falls Marathon 5K
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.3% Favoured
- flat grade share
- 88.2% Favoured
- lower ascent
- 19 m
- climbing density
- 3.8 m/km
- net elevation
- 0 m
- maximum grade
- 6.0%
| Metric | Spring Dash (Coeur d'Alene) 5K | Idaho Falls Marathon 5K |
|---|---|---|
| Flat grade share | 27.9% | 88.2% ✓ |
| GAP factor (% slower than flat) | 4.1% | 0.3% ✓ |
| Uphill share | 34.9% | 5.7% |
| Steep-up share | 10.2% | 0.0% |
| Downhill share | 37.3% | 6.1% |
| Total ascent (m) | 106 m | 19 m |
| Climbing density (m/km) | 21.3 m/km | 3.8 m/km |
| Longest climb length (m) | 180 m | 340 m |
| Longest climb gain (m) | 24 m | 8 m |
| Longest climb average grade | 13.5% | 2.3% |
| Total descent (m) | 103 m | 19 m |
| Net elevation (m) | 4 m | 0 m |
| Max absolute grade | 22.5% | 6.0% |
| Start elevation (m) | 658 m | 1,431 m |
| Finish elevation (m) | 662 m | 1,431 m |
| Scenic score | 81/100 ✓ | 70/100 |
| Conditions | 96/100 ✓ | 43/100 |
GAP factor (% slower than flat)
- Idaho Falls Marathon 5K
- 0.3% Favoured
Uphill share
Steep-up share
Downhill share
Total ascent (m)
Climbing density (m/km)
- Spring Dash (Coeur d'Alene) 5K
- 21.3 m/km
- Idaho Falls Marathon 5K
- 3.8 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)
- Idaho Falls Marathon 5K
- 1,431 m
Finish elevation (m)
- Idaho Falls Marathon 5K
- 1,431 m
Scenic score
- Spring Dash (Coeur d'Alene) 5K
- 81/100 Favoured
- Idaho Falls Marathon 5K
- 70/100
Conditions
- Spring Dash (Coeur d'Alene) 5K
- 96/100 Favoured
- Idaho Falls Marathon 5K
- 43/100
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 | Spring Dash (Coeur d'Alene) 5K | Idaho Falls Marathon 5K |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2026-04-25 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-07-25 (legacy event-level date). |
| Location | Coeur d'Alene, Idaho | Idaho Falls, Idaho |
| Actual distance | 5 km | 5 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Course type | Out And Back | Unavailable |
| Surface | Paved | Unavailable |
| Terrain | Unavailable | Road |
| Scenery | City, Coastal, Waterfront, Parkland, Lakeside | Waterfront, Countryside, Riverside, City, Historic, Parkland |
| Atmosphere | Unavailable | Community, Charity |
| Total ascent | 106 m | 19 m |
| Climbing density | 21.3 m/km | 3.8 m/km |
| Total descent | 103 m | 19 m |
| Net elevation | 4 m | 0 m |
| Max absolute grade | 22.5% | 6.0% |
| Flat grade share | 27.9% | 88.2% |
| GAP factor | 4.1% | 0.3% |
| Cutoff | Unavailable | 2:00:00 |
| Entry model | Open | Open |
Schedule
- Spring Dash (Coeur d'Alene) 5K
Exact race date not confirmed. Event weekend starts 2026-04-25 (legacy event-level date).
- Idaho Falls Marathon 5K
Exact race date not confirmed. Event weekend starts 2026-07-25 (legacy event-level date).
Location
- Spring Dash (Coeur d'Alene) 5K
- Coeur d'Alene, Idaho
- Idaho Falls Marathon 5K
- Idaho Falls, Idaho
Actual distance
- Spring Dash (Coeur d'Alene) 5K
- 5 km
- Idaho Falls Marathon 5K
- 5 km
raceindex.org mapped route held
- Spring Dash (Coeur d'Alene) 5K
- Held
- Idaho Falls Marathon 5K
- Held
raceindex.org elevation profile held
- Spring Dash (Coeur d'Alene) 5K
- Held
- Idaho Falls Marathon 5K
- Held
Course type
- Spring Dash (Coeur d'Alene) 5K
- Out And Back
- Idaho Falls Marathon 5K
- Unavailable
Surface
- Spring Dash (Coeur d'Alene) 5K
- Paved
- Idaho Falls Marathon 5K
- Unavailable
Terrain
- Spring Dash (Coeur d'Alene) 5K
- Unavailable
- Idaho Falls Marathon 5K
- Road
Scenery
- Spring Dash (Coeur d'Alene) 5K
- City, Coastal, Waterfront, Parkland, Lakeside
- Idaho Falls Marathon 5K
- Waterfront, Countryside, Riverside, City, Historic, Parkland
Atmosphere
- Spring Dash (Coeur d'Alene) 5K
- Unavailable
- Idaho Falls Marathon 5K
- Community, Charity
Total ascent
- Spring Dash (Coeur d'Alene) 5K
- 106 m
- Idaho Falls Marathon 5K
- 19 m
Climbing density
- Spring Dash (Coeur d'Alene) 5K
- 21.3 m/km
- Idaho Falls Marathon 5K
- 3.8 m/km
Total descent
- Spring Dash (Coeur d'Alene) 5K
- 103 m
- Idaho Falls Marathon 5K
- 19 m
Net elevation
- Spring Dash (Coeur d'Alene) 5K
- 4 m
- Idaho Falls Marathon 5K
- 0 m
Max absolute grade
- Spring Dash (Coeur d'Alene) 5K
- 22.5%
- Idaho Falls Marathon 5K
- 6.0%
Flat grade share
- Spring Dash (Coeur d'Alene) 5K
- 27.9%
- Idaho Falls Marathon 5K
- 88.2%
GAP factor
- Spring Dash (Coeur d'Alene) 5K
- 4.1%
- Idaho Falls Marathon 5K
- 0.3%
Cutoff
- Spring Dash (Coeur d'Alene) 5K
- Unavailable
- Idaho Falls Marathon 5K
- 2:00:00
Entry model
- Spring Dash (Coeur d'Alene) 5K
- Open
- Idaho Falls Marathon 5K
- 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, Spring Dash (Coeur d'Alene) 5K or Idaho Falls Marathon 5K?
Idaho Falls Marathon 5K has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.