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