Mississippi River Marathon Relay vs Daytona 100 Ultramarathon (Jacksonville Beach to Ponce Inlet) Relay
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofMississippi River Marathon Relay or Daytona 100 Ultramarathon (Jacksonville Beach to Ponce Inlet) Relay — which comes out ahead?
Daytona 100 Ultramarathon (Jacksonville Beach to Ponce Inlet) Relay has the stronger available profile on flat grade share and course flatness.
Route comparison snapshot
Mississippi River Marathon Relay
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.1%
- flat grade share
- 96.4%
- lower ascent
- 36 m
- climbing density
- 1.7 m/km
- net elevation
- 0 m
- maximum grade
- 6.1%
Daytona 100 Ultramarathon (Jacksonville Beach to Ponce Inlet) Relay
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- -0.0% Favoured
- flat grade share
- 100.0% Favoured
- lower ascent
- 39 m
- climbing density
- 0.2 m/km
- net elevation
- -1 m
- maximum grade
- 1.7%
| Metric | Mississippi River Marathon Relay | Daytona 100 Ultramarathon (Jacksonville Beach to Ponce Inlet) Relay |
|---|---|---|
| Flat grade share | 96.4% | 100.0% ✓ |
| GAP factor (% slower than flat) | 0.1% | -0.0% ✓ |
| Uphill share | 1.2% | 0.0% |
| Steep-up share | 0.0% | 0.0% |
| Downhill share | 2.4% | 0.0% |
| Total ascent (m) | 36 m | 39 m |
| Climbing density (m/km) | 1.7 m/km | 0.2 m/km |
| Longest climb length (m) | 2,310 m | 5,380 m |
| Longest climb gain (m) | 13 m | 4 m |
| Longest climb average grade | 0.6% | 0.1% |
| Total descent (m) | 36 m | 40 m |
| Net elevation (m) | 0 m | -1 m |
| Max absolute grade | 6.1% | 1.7% |
| Start elevation (m) | 38 m | 3 m |
| Finish elevation (m) | 38 m | 2 m |
| Scenic score | Unavailable | 100/100 |
| Conditions | Unavailable | 72/100 |
GAP factor (% slower than flat)
Uphill share
Steep-up share
Downhill share
Total ascent (m)
Climbing density (m/km)
- Mississippi River Marathon Relay
- 1.7 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
- Mississippi River Marathon Relay
- Unavailable
Conditions
- Mississippi River Marathon Relay
- Unavailable
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 | Mississippi River Marathon Relay | Daytona 100 Ultramarathon (Jacksonville Beach to Ponce Inlet) Relay |
|---|---|---|
| Schedule | Exact race date not confirmed. | Exact race date not confirmed. Event weekend starts 2026-12-12 (legacy event-level date). |
| Location | Greenville, Mississippi | Jacksonville Beach, Florida |
| Actual distance | 21.1 km | 160.9 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Course type | Unavailable | Point To Point |
| Surface | Unavailable | Pavement |
| Terrain | Unavailable | Road, Beach |
| Scenery | Countryside, Lakeside, Riverside, City, Historic, Waterfront | Coastal, Island, Canyon, Waterfront, Historic, City |
| Atmosphere | Community, Destination | Unavailable |
| Total ascent | 36 m | 39 m |
| Climbing density | 1.7 m/km | 0.2 m/km |
| Total descent | 36 m | 40 m |
| Net elevation | 0 m | -1 m |
| Max absolute grade | 6.1% | 1.7% |
| Flat grade share | 96.4% | 100.0% |
| GAP factor | 0.1% | -0.0% |
| Cutoff | 7:00:00 | 31:00:00 |
| Entry model | Open | Open |
Schedule
- Mississippi River Marathon Relay
Exact race date not confirmed.
- Daytona 100 Ultramarathon (Jacksonville Beach to Ponce Inlet) Relay
Exact race date not confirmed. Event weekend starts 2026-12-12 (legacy event-level date).
Location
- Mississippi River Marathon Relay
- Greenville, Mississippi
- Daytona 100 Ultramarathon (Jacksonville Beach to Ponce Inlet) Relay
- Jacksonville Beach, Florida
Actual distance
- Mississippi River Marathon Relay
- 21.1 km
- Daytona 100 Ultramarathon (Jacksonville Beach to Ponce Inlet) Relay
- 160.9 km
raceindex.org mapped route held
- Mississippi River Marathon Relay
- Held
- Daytona 100 Ultramarathon (Jacksonville Beach to Ponce Inlet) Relay
- Held
raceindex.org elevation profile held
- Mississippi River Marathon Relay
- Held
- Daytona 100 Ultramarathon (Jacksonville Beach to Ponce Inlet) Relay
- Held
Course type
- Mississippi River Marathon Relay
- Unavailable
- Daytona 100 Ultramarathon (Jacksonville Beach to Ponce Inlet) Relay
- Point To Point
Surface
- Mississippi River Marathon Relay
- Unavailable
- Daytona 100 Ultramarathon (Jacksonville Beach to Ponce Inlet) Relay
- Pavement
Terrain
- Mississippi River Marathon Relay
- Unavailable
- Daytona 100 Ultramarathon (Jacksonville Beach to Ponce Inlet) Relay
- Road, Beach
Scenery
- Mississippi River Marathon Relay
- Countryside, Lakeside, Riverside, City, Historic, Waterfront
- Daytona 100 Ultramarathon (Jacksonville Beach to Ponce Inlet) Relay
- Coastal, Island, Canyon, Waterfront, Historic, City
Atmosphere
- Mississippi River Marathon Relay
- Community, Destination
- Daytona 100 Ultramarathon (Jacksonville Beach to Ponce Inlet) Relay
- Unavailable
Total ascent
- Mississippi River Marathon Relay
- 36 m
- Daytona 100 Ultramarathon (Jacksonville Beach to Ponce Inlet) Relay
- 39 m
Climbing density
- Mississippi River Marathon Relay
- 1.7 m/km
- Daytona 100 Ultramarathon (Jacksonville Beach to Ponce Inlet) Relay
- 0.2 m/km
Total descent
- Mississippi River Marathon Relay
- 36 m
- Daytona 100 Ultramarathon (Jacksonville Beach to Ponce Inlet) Relay
- 40 m
Net elevation
- Mississippi River Marathon Relay
- 0 m
- Daytona 100 Ultramarathon (Jacksonville Beach to Ponce Inlet) Relay
- -1 m
Max absolute grade
- Mississippi River Marathon Relay
- 6.1%
- Daytona 100 Ultramarathon (Jacksonville Beach to Ponce Inlet) Relay
- 1.7%
Flat grade share
- Mississippi River Marathon Relay
- 96.4%
- Daytona 100 Ultramarathon (Jacksonville Beach to Ponce Inlet) Relay
- 100.0%
GAP factor
- Mississippi River Marathon Relay
- 0.1%
- Daytona 100 Ultramarathon (Jacksonville Beach to Ponce Inlet) Relay
- -0.0%
Cutoff
- Mississippi River Marathon Relay
- 7:00:00
- Daytona 100 Ultramarathon (Jacksonville Beach to Ponce Inlet) Relay
- 31:00:00
Entry model
- Mississippi River Marathon Relay
- Open
- Daytona 100 Ultramarathon (Jacksonville Beach to Ponce Inlet) 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, Mississippi River Marathon Relay or Daytona 100 Ultramarathon (Jacksonville Beach to Ponce Inlet) Relay?
Daytona 100 Ultramarathon (Jacksonville Beach to Ponce Inlet) Relay has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.