Flat grade share
- Run the Rainbow for Children's Ultramarathon
- Unavailable
Run the Rainbow for Children's Marathon vs Run the Rainbow for Children's Ultramarathon
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofRun the Rainbow for Children's Marathon or Run the Rainbow for Children's Ultramarathon — which comes out ahead?
The available sourced metrics do not create a clear lead; use the table to compare the held route, cost and race-day evidence.
Route comparison snapshot
Run the Rainbow for Children's Marathon
- Mapped route
- Held Favoured
- Elevation profile
- Held Favoured
- course flatness
- 0.9%
- flat grade share
- 60.6%
- lower ascent
- 407 m
- climbing density
- 9.7 m/km
- net elevation
- 0 m
- maximum grade
- 10.6%
Run the Rainbow for Children's Ultramarathon
- Mapped route
- Not held
- Elevation profile
- Not held
- course flatness
- Unavailable
- flat grade share
- Unavailable
- lower ascent
- Unavailable
- climbing density
- Unavailable
- net elevation
- Unavailable
- maximum grade
- Unavailable
| Metric | Run the Rainbow for Children's Marathon | Run the Rainbow for Children's Ultramarathon |
|---|---|---|
| Flat grade share | 60.6% | Unavailable |
| GAP factor (% slower than flat) | 0.9% | Unavailable |
| Uphill share | 19.7% | Unavailable |
| Steep-up share | 1.2% | Unavailable |
| Downhill share | 19.7% | Unavailable |
| Total ascent (m) | 407 m | Unavailable |
| Climbing density (m/km) | 9.7 m/km | Unavailable |
| Longest climb length (m) | 730 m | Unavailable |
| Longest climb gain (m) | 24 m | Unavailable |
| Longest climb average grade | 3.3% | Unavailable |
| Total descent (m) | 407 m | Unavailable |
| Net elevation (m) | 0 m | Unavailable |
| Max absolute grade | 10.6% | Unavailable |
| Start elevation (m) | 89 m | Unavailable |
| Finish elevation (m) | 89 m | Unavailable |
| Scenic score | 69/100 | 69/100 |
| Conditions | 68/100 | 68/100 |
GAP factor (% slower than flat)
- Run the Rainbow for Children's Ultramarathon
- Unavailable
Uphill share
- Run the Rainbow for Children's Ultramarathon
- Unavailable
Steep-up share
- Run the Rainbow for Children's Ultramarathon
- Unavailable
Downhill share
- Run the Rainbow for Children's Ultramarathon
- Unavailable
Total ascent (m)
- Run the Rainbow for Children's Ultramarathon
- Unavailable
Climbing density (m/km)
- Run the Rainbow for Children's Ultramarathon
- Unavailable
Longest climb length (m)
- Run the Rainbow for Children's Ultramarathon
- Unavailable
Longest climb gain (m)
- Run the Rainbow for Children's Ultramarathon
- Unavailable
Longest climb average grade
- Run the Rainbow for Children's Ultramarathon
- Unavailable
Total descent (m)
- Run the Rainbow for Children's Ultramarathon
- Unavailable
Net elevation (m)
- Run the Rainbow for Children's Ultramarathon
- Unavailable
Max absolute grade
- Run the Rainbow for Children's Ultramarathon
- Unavailable
Start elevation (m)
- Run the Rainbow for Children's Ultramarathon
- Unavailable
Finish elevation (m)
- Run the Rainbow for Children's Ultramarathon
- Unavailable
Scenic score
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 | Run the Rainbow for Children's Marathon | Run the Rainbow for Children's Ultramarathon |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2026-03-21 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-03-21 (legacy event-level date). |
| Location | Jackson, Mississippi | Jackson, Mississippi |
| Actual distance | 42.2 km | 50 km |
| raceindex.org mapped route held | Held | Not held |
| raceindex.org elevation profile held | Held | Not held |
| Surface | Paved city streets through downtown Jackson and surrounding neighborhoods. | Paved city streets through downtown Jackson and surrounding neighborhoods. |
| Elevation character | Rolling | Unavailable |
| Terrain | Road, Beach | Beach |
| Scenery | City, Waterfront, Historic, Desert | City, Waterfront, Historic, Desert |
| Atmosphere | Charity, Community | Charity, Community |
| Technicality | Non Technical | Unavailable |
| Total ascent | 407 m | Unavailable |
| Climbing density | 9.7 m/km | Unavailable |
| Total descent | 407 m | Unavailable |
| Net elevation | 0 m | Unavailable |
| Max absolute grade | 10.6% | Unavailable |
| Flat grade share | 60.6% | Unavailable |
| GAP factor | 0.9% | Unavailable |
| Entry model | Open | Open |
Schedule
- Run the Rainbow for Children's Marathon
Exact race date not confirmed. Event weekend starts 2026-03-21 (legacy event-level date).
- Run the Rainbow for Children's Ultramarathon
Exact race date not confirmed. Event weekend starts 2026-03-21 (legacy event-level date).
Location
- Run the Rainbow for Children's Marathon
- Jackson, Mississippi
- Run the Rainbow for Children's Ultramarathon
- Jackson, Mississippi
Actual distance
- Run the Rainbow for Children's Marathon
- 42.2 km
- Run the Rainbow for Children's Ultramarathon
- 50 km
raceindex.org mapped route held
- Run the Rainbow for Children's Marathon
- Held
- Run the Rainbow for Children's Ultramarathon
- Not held
raceindex.org elevation profile held
- Run the Rainbow for Children's Marathon
- Held
- Run the Rainbow for Children's Ultramarathon
- Not held
Surface
- Run the Rainbow for Children's Marathon
- Paved city streets through downtown Jackson and surrounding neighborhoods.
- Run the Rainbow for Children's Ultramarathon
- Paved city streets through downtown Jackson and surrounding neighborhoods.
Elevation character
- Run the Rainbow for Children's Marathon
- Rolling
- Run the Rainbow for Children's Ultramarathon
- Unavailable
Terrain
- Run the Rainbow for Children's Marathon
- Road, Beach
- Run the Rainbow for Children's Ultramarathon
- Beach
Scenery
- Run the Rainbow for Children's Marathon
- City, Waterfront, Historic, Desert
- Run the Rainbow for Children's Ultramarathon
- City, Waterfront, Historic, Desert
Atmosphere
- Run the Rainbow for Children's Marathon
- Charity, Community
- Run the Rainbow for Children's Ultramarathon
- Charity, Community
Technicality
- Run the Rainbow for Children's Marathon
- Non Technical
- Run the Rainbow for Children's Ultramarathon
- Unavailable
Total ascent
- Run the Rainbow for Children's Marathon
- 407 m
- Run the Rainbow for Children's Ultramarathon
- Unavailable
Climbing density
- Run the Rainbow for Children's Marathon
- 9.7 m/km
- Run the Rainbow for Children's Ultramarathon
- Unavailable
Total descent
- Run the Rainbow for Children's Marathon
- 407 m
- Run the Rainbow for Children's Ultramarathon
- Unavailable
Net elevation
- Run the Rainbow for Children's Marathon
- 0 m
- Run the Rainbow for Children's Ultramarathon
- Unavailable
Max absolute grade
- Run the Rainbow for Children's Marathon
- 10.6%
- Run the Rainbow for Children's Ultramarathon
- Unavailable
Flat grade share
- Run the Rainbow for Children's Marathon
- 60.6%
- Run the Rainbow for Children's Ultramarathon
- Unavailable
GAP factor
- Run the Rainbow for Children's Marathon
- 0.9%
- Run the Rainbow for Children's Ultramarathon
- Unavailable
Entry model
- Run the Rainbow for Children's Marathon
- Open
- Run the Rainbow for Children's Ultramarathon
- Open
Facts are shown only when they exist in the sourced race record; Not held means no sourced value is held for that race.