Flat grade share
- Beach to Bay Relay Marathon
- Unavailable
Spurs Austin International Half (fka 3M Half Marathon) Relay vs Beach to Bay Relay Marathon
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofSpurs Austin International Half (fka 3M Half Marathon) Relay or Beach to Bay Relay Marathon — which comes out ahead?
Spurs Austin International Half (fka 3M Half Marathon) Relay and Beach to Bay Relay Marathon split the available advantages, so the better choice depends on which metric matters most to the runner.
Route comparison snapshot
Spurs Austin International Half (fka 3M Half Marathon) Relay
- Mapped route
- Held Favoured
- Elevation profile
- Held Favoured
- course flatness
- -2.3%
- flat grade share
- 90.6%
- lower ascent
- 42 m
- climbing density
- 2.0 m/km
- net elevation
- -101 m
- maximum grade
- 8.1%
Beach to Bay Relay Marathon
- 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 | Spurs Austin International Half (fka 3M Half Marathon) Relay | Beach to Bay Relay Marathon |
|---|---|---|
| Flat grade share | 90.6% | Unavailable |
| GAP factor (% slower than flat) | -2.3% | Unavailable |
| Uphill share | 2.0% | Unavailable |
| Steep-up share | 0.0% | Unavailable |
| Downhill share | 7.4% | Unavailable |
| Total ascent (m) | 42 m | Unavailable |
| Climbing density (m/km) | 2.0 m/km | Unavailable |
| Longest climb length (m) | 1,000 m | Unavailable |
| Longest climb gain (m) | 11 m | Unavailable |
| Longest climb average grade | 1.1% | Unavailable |
| Total descent (m) | 143 m | Unavailable |
| Net elevation (m) | -101 m | Unavailable |
| Max absolute grade | 8.1% | Unavailable |
| Start elevation (m) | 257 m | Unavailable |
| Finish elevation (m) | 156 m | Unavailable |
| Scenic score | 20/100 | 100/100 ✓ |
| Conditions | 84/100 ✓ | 13/100 |
GAP factor (% slower than flat)
- Beach to Bay Relay Marathon
- Unavailable
Uphill share
- Beach to Bay Relay Marathon
- Unavailable
Steep-up share
- Beach to Bay Relay Marathon
- Unavailable
Downhill share
- Beach to Bay Relay Marathon
- Unavailable
Total ascent (m)
- Beach to Bay Relay Marathon
- Unavailable
Climbing density (m/km)
- Beach to Bay Relay Marathon
- Unavailable
Longest climb length (m)
- Beach to Bay Relay Marathon
- Unavailable
Longest climb gain (m)
- Beach to Bay Relay Marathon
- Unavailable
Longest climb average grade
- Beach to Bay Relay Marathon
- Unavailable
Total descent (m)
- Beach to Bay Relay Marathon
- Unavailable
Net elevation (m)
- Beach to Bay Relay Marathon
- Unavailable
Max absolute grade
- Beach to Bay Relay Marathon
- Unavailable
Start elevation (m)
- Beach to Bay Relay Marathon
- Unavailable
Finish elevation (m)
- Beach to Bay Relay Marathon
- Unavailable
Scenic score
- Beach to Bay Relay Marathon
- 100/100 Favoured
Conditions
- Spurs Austin International Half (fka 3M Half Marathon) Relay
- 84/100 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 | Spurs Austin International Half (fka 3M Half Marathon) Relay | Beach to Bay Relay Marathon |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2026-01-18 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2027-05-15 (legacy event-level date). |
| Location | Austin, Texas | Corpus Christi, Texas |
| Actual distance | 21.1 km | 42.2 km |
| raceindex.org mapped route held | Held | Not held |
| raceindex.org elevation profile held | Held | Not held |
| Course type | Unavailable | Point To Point |
| Surface | Unavailable | Mixed: begins on beach sand at Padre Island, then paved roads to the bayfront finish |
| Terrain | Unavailable | Beach |
| Scenery | City, Riverside | Coastal, Island, Countryside, Waterfront, City |
| Atmosphere | Big City, Competitive, Festival | Community, Destination, Festival |
| Total ascent | 42 m | Unavailable |
| Climbing density | 2.0 m/km | Unavailable |
| Total descent | 143 m | Unavailable |
| Net elevation | -101 m | Unavailable |
| Max absolute grade | 8.1% | Unavailable |
| Flat grade share | 90.6% | Unavailable |
| GAP factor | -2.3% | Unavailable |
| Cutoff | 4:00:00 | 6:00:00 |
| Entry model | Open | Open |
Schedule
- Spurs Austin International Half (fka 3M Half Marathon) Relay
Exact race date not confirmed. Event weekend starts 2026-01-18 (legacy event-level date).
- Beach to Bay Relay Marathon
Exact race date not confirmed. Event weekend starts 2027-05-15 (legacy event-level date).
Location
- Spurs Austin International Half (fka 3M Half Marathon) Relay
- Austin, Texas
- Beach to Bay Relay Marathon
- Corpus Christi, Texas
Actual distance
- Spurs Austin International Half (fka 3M Half Marathon) Relay
- 21.1 km
- Beach to Bay Relay Marathon
- 42.2 km
raceindex.org mapped route held
- Spurs Austin International Half (fka 3M Half Marathon) Relay
- Held
- Beach to Bay Relay Marathon
- Not held
raceindex.org elevation profile held
- Spurs Austin International Half (fka 3M Half Marathon) Relay
- Held
- Beach to Bay Relay Marathon
- Not held
Course type
- Spurs Austin International Half (fka 3M Half Marathon) Relay
- Unavailable
- Beach to Bay Relay Marathon
- Point To Point
Surface
- Spurs Austin International Half (fka 3M Half Marathon) Relay
- Unavailable
- Beach to Bay Relay Marathon
- Mixed: begins on beach sand at Padre Island, then paved roads to the bayfront finish
Terrain
- Spurs Austin International Half (fka 3M Half Marathon) Relay
- Unavailable
- Beach to Bay Relay Marathon
- Beach
Scenery
- Spurs Austin International Half (fka 3M Half Marathon) Relay
- City, Riverside
- Beach to Bay Relay Marathon
- Coastal, Island, Countryside, Waterfront, City
Atmosphere
- Spurs Austin International Half (fka 3M Half Marathon) Relay
- Big City, Competitive, Festival
- Beach to Bay Relay Marathon
- Community, Destination, Festival
Total ascent
- Spurs Austin International Half (fka 3M Half Marathon) Relay
- 42 m
- Beach to Bay Relay Marathon
- Unavailable
Climbing density
- Spurs Austin International Half (fka 3M Half Marathon) Relay
- 2.0 m/km
- Beach to Bay Relay Marathon
- Unavailable
Total descent
- Spurs Austin International Half (fka 3M Half Marathon) Relay
- 143 m
- Beach to Bay Relay Marathon
- Unavailable
Net elevation
- Spurs Austin International Half (fka 3M Half Marathon) Relay
- -101 m
- Beach to Bay Relay Marathon
- Unavailable
Max absolute grade
- Spurs Austin International Half (fka 3M Half Marathon) Relay
- 8.1%
- Beach to Bay Relay Marathon
- Unavailable
Flat grade share
- Spurs Austin International Half (fka 3M Half Marathon) Relay
- 90.6%
- Beach to Bay Relay Marathon
- Unavailable
GAP factor
- Spurs Austin International Half (fka 3M Half Marathon) Relay
- -2.3%
- Beach to Bay Relay Marathon
- Unavailable
Cutoff
- Spurs Austin International Half (fka 3M Half Marathon) Relay
- 4:00:00
- Beach to Bay Relay Marathon
- 6:00:00
Entry model
- Spurs Austin International Half (fka 3M Half Marathon) Relay
- Open
- Beach to Bay Relay Marathon
- Open
Facts are shown only when they exist in the sourced race record; Not held means no sourced value is held for that race.