Flat grade share
- La Jolla Half Marathon, 10K & 5K
- 56.0% Favoured
La Jolla Half Marathon, 10K & 5K vs La Jolla Half Marathon, 10K & 5K
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofLa Jolla Half Marathon, 10K & 5K or La Jolla Half Marathon, 10K & 5K — which comes out ahead?
La Jolla Half Marathon, 10K & 5K has the stronger available profile on flat grade share and course flatness.
Route comparison snapshot
La Jolla Half Marathon, 10K & 5K
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 2.4%
- flat grade share
- 52.5%
- lower ascent
- 304 m
- climbing density
- 14.4 m/km
- net elevation
- 7 m
- maximum grade
- 26.6%
La Jolla Half Marathon, 10K & 5K
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- -4.5% Favoured
- flat grade share
- 56.0% Favoured
- lower ascent
- 76 m
- climbing density
- 7.6 m/km
- net elevation
- -121 m
- maximum grade
- 12.4%
| Metric | La Jolla Half Marathon, 10K & 5K | La Jolla Half Marathon, 10K & 5K |
|---|---|---|
| Flat grade share | 52.5% | 56.0% ✓ |
| GAP factor (% slower than flat) | 2.4% | -4.5% ✓ |
| Uphill share | 23.8% | 11.3% |
| Steep-up share | 7.5% | 1.8% |
| Downhill share | 23.7% | 32.6% |
| Total ascent (m) | 304 m | 76 m |
| Climbing density (m/km) | 14.4 m/km | 7.6 m/km |
| Longest climb length (m) | 1,650 m | 630 m |
| Longest climb gain (m) | 102 m | 25 m |
| Longest climb average grade | 6.2% | 4.0% |
| Total descent (m) | 297 m | 197 m |
| Net elevation (m) | 7 m | -121 m |
| Max absolute grade | 26.6% | 12.4% |
| Start elevation (m) | 3 m | 132 m |
| Finish elevation (m) | 10 m | 10 m |
| Scenic score | 100/100 ✓ | 73/100 |
| Conditions | 76/100 | 76/100 |
GAP factor (% slower than flat)
- La Jolla Half Marathon, 10K & 5K
- -4.5% Favoured
Uphill share
Steep-up share
Downhill share
Total ascent (m)
Climbing density (m/km)
- La Jolla Half Marathon, 10K & 5K
- 14.4 m/km
- La Jolla Half Marathon, 10K & 5K
- 7.6 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
- La Jolla Half Marathon, 10K & 5K
- 100/100 Favoured
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 | La Jolla Half Marathon, 10K & 5K | La Jolla Half Marathon, 10K & 5K |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2027-05-15 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2027-05-15 (legacy event-level date). |
| Location | La Jolla, San Diego, California | La Jolla, San Diego, California |
| Actual distance | 21.1 km | 10 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Course type | Point To Point | Unavailable |
| Surface | Paved coastal roads. | Unavailable |
| Elevation character | Hilly | Net Downhill |
| Terrain | Road | Road |
| Scenery | Coastal, Mountain, Forest, Waterfront, Parkland, City | Forest, Coastal, Waterfront, Parkland, City |
| Atmosphere | Scenic Tour, Destination, Competitive | Scenic Tour, Destination, Competitive |
| Technicality | Non Technical | Unavailable |
| Total ascent | 304 m | 76 m |
| Climbing density | 14.4 m/km | 7.6 m/km |
| Total descent | 297 m | 197 m |
| Net elevation | 7 m | -121 m |
| Max absolute grade | 26.6% | 12.4% |
| Flat grade share | 52.5% | 56.0% |
| GAP factor | 2.4% | -4.5% |
| Cutoff | 3:30:00 | Unavailable |
| Entry model | Open | Open |
Schedule
- La Jolla Half Marathon, 10K & 5K
Exact race date not confirmed. Event weekend starts 2027-05-15 (legacy event-level date).
- La Jolla Half Marathon, 10K & 5K
Exact race date not confirmed. Event weekend starts 2027-05-15 (legacy event-level date).
Location
- La Jolla Half Marathon, 10K & 5K
- La Jolla, San Diego, California
- La Jolla Half Marathon, 10K & 5K
- La Jolla, San Diego, California
Actual distance
- La Jolla Half Marathon, 10K & 5K
- 21.1 km
- La Jolla Half Marathon, 10K & 5K
- 10 km
raceindex.org mapped route held
- La Jolla Half Marathon, 10K & 5K
- Held
- La Jolla Half Marathon, 10K & 5K
- Held
raceindex.org elevation profile held
- La Jolla Half Marathon, 10K & 5K
- Held
- La Jolla Half Marathon, 10K & 5K
- Held
Course type
- La Jolla Half Marathon, 10K & 5K
- Point To Point
- La Jolla Half Marathon, 10K & 5K
- Unavailable
Surface
- La Jolla Half Marathon, 10K & 5K
- Paved coastal roads.
- La Jolla Half Marathon, 10K & 5K
- Unavailable
Elevation character
- La Jolla Half Marathon, 10K & 5K
- Hilly
- La Jolla Half Marathon, 10K & 5K
- Net Downhill
Terrain
- La Jolla Half Marathon, 10K & 5K
- Road
- La Jolla Half Marathon, 10K & 5K
- Road
Scenery
- La Jolla Half Marathon, 10K & 5K
- Coastal, Mountain, Forest, Waterfront, Parkland, City
- La Jolla Half Marathon, 10K & 5K
- Forest, Coastal, Waterfront, Parkland, City
Atmosphere
- La Jolla Half Marathon, 10K & 5K
- Scenic Tour, Destination, Competitive
- La Jolla Half Marathon, 10K & 5K
- Scenic Tour, Destination, Competitive
Technicality
- La Jolla Half Marathon, 10K & 5K
- Non Technical
- La Jolla Half Marathon, 10K & 5K
- Unavailable
Total ascent
- La Jolla Half Marathon, 10K & 5K
- 304 m
- La Jolla Half Marathon, 10K & 5K
- 76 m
Climbing density
- La Jolla Half Marathon, 10K & 5K
- 14.4 m/km
- La Jolla Half Marathon, 10K & 5K
- 7.6 m/km
Total descent
- La Jolla Half Marathon, 10K & 5K
- 297 m
- La Jolla Half Marathon, 10K & 5K
- 197 m
Net elevation
- La Jolla Half Marathon, 10K & 5K
- 7 m
- La Jolla Half Marathon, 10K & 5K
- -121 m
Max absolute grade
- La Jolla Half Marathon, 10K & 5K
- 26.6%
- La Jolla Half Marathon, 10K & 5K
- 12.4%
Flat grade share
- La Jolla Half Marathon, 10K & 5K
- 52.5%
- La Jolla Half Marathon, 10K & 5K
- 56.0%
GAP factor
- La Jolla Half Marathon, 10K & 5K
- 2.4%
- La Jolla Half Marathon, 10K & 5K
- -4.5%
Cutoff
- La Jolla Half Marathon, 10K & 5K
- 3:30:00
- La Jolla Half Marathon, 10K & 5K
- Unavailable
Entry model
- La Jolla Half Marathon, 10K & 5K
- Open
- La Jolla Half Marathon, 10K & 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, La Jolla Half Marathon, 10K & 5K or La Jolla Half Marathon, 10K & 5K?
La Jolla Half Marathon, 10K & 5K has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.