Flat grade share
- Wisconsin Lakeside Half Marathon & 5K (Monona)
- 77.6% Favoured
Lake Monona 20K & 5K (Monona) vs Wisconsin Lakeside Half Marathon & 5K (Monona)
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofLake Monona 20K & 5K (Monona) or Wisconsin Lakeside Half Marathon & 5K (Monona) — which comes out ahead?
Lake Monona 20K & 5K (Monona) and Wisconsin Lakeside Half Marathon & 5K (Monona) split the available advantages, so the better choice depends on which metric matters most to the runner.
Route comparison snapshot
Lake Monona 20K & 5K (Monona)
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 1.0%
- flat grade share
- 61.0%
- lower ascent
- 50 m
- climbing density
- 10.1 m/km
- net elevation
- 0 m
- maximum grade
- 7.8%
Wisconsin Lakeside Half Marathon & 5K (Monona)
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 0.6% Favoured
- flat grade share
- 77.6% Favoured
- lower ascent
- 36 m
- climbing density
- 7.2 m/km
- net elevation
- -0 m
- maximum grade
- 7.5%
| Metric | Lake Monona 20K & 5K (Monona) | Wisconsin Lakeside Half Marathon & 5K (Monona) |
|---|---|---|
| Flat grade share | 61.0% | 77.6% ✓ |
| GAP factor (% slower than flat) | 1.0% | 0.6% ✓ |
| Uphill share | 19.9% | 11.1% |
| Steep-up share | 2.4% | 1.0% |
| Downhill share | 19.1% | 11.3% |
| Total ascent (m) | 50 m | 36 m |
| Climbing density (m/km) | 10.1 m/km | 7.2 m/km |
| Longest climb length (m) | 420 m | 240 m |
| Longest climb gain (m) | 15 m | 8 m |
| Longest climb average grade | 3.6% | 3.3% |
| Total descent (m) | 50 m | 36 m |
| Net elevation (m) | 0 m | -0 m |
| Max absolute grade | 7.8% | 7.5% |
| Start elevation (m) | 260 m | 260 m |
| Finish elevation (m) | 260 m | 260 m |
| Scenic score | 75/100 ✓ | 70/100 |
| Conditions | 75/100 ✓ | 61/100 |
GAP factor (% slower than flat)
- Wisconsin Lakeside Half Marathon & 5K (Monona)
- 0.6% Favoured
Uphill share
Steep-up share
Downhill share
Total ascent (m)
Climbing density (m/km)
- Lake Monona 20K & 5K (Monona)
- 10.1 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
- Lake Monona 20K & 5K (Monona)
- 75/100 Favoured
Conditions
- Lake Monona 20K & 5K (Monona)
- 75/100 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 | Lake Monona 20K & 5K (Monona) | Wisconsin Lakeside Half Marathon & 5K (Monona) |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2026-05-02 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-09-26 (legacy event-level date). |
| Location | Monona, Wisconsin | Monona, Wisconsin |
| Actual distance | 5 km | 5 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Course type | Loop | Unavailable |
| Surface | Unavailable | Tree Covered neighborhood streets. |
| Elevation character | Unavailable | Gently Rolling |
| Terrain | Road | Road |
| Scenery | Parkland, Coastal, Lakeside, Waterfront, City | Coastal, Lakeside, Waterfront, Parkland |
| Atmosphere | Community, Scenic Tour | Festival, Community, Scenic Tour |
| Total ascent | 50 m | 36 m |
| Climbing density | 10.1 m/km | 7.2 m/km |
| Total descent | 50 m | 36 m |
| Net elevation | 0 m | -0 m |
| Max absolute grade | 7.8% | 7.5% |
| Flat grade share | 61.0% | 77.6% |
| GAP factor | 1.0% | 0.6% |
| Cutoff | 2:45:00 | Unavailable |
| Entry model | Open | Open |
Schedule
- Lake Monona 20K & 5K (Monona)
Exact race date not confirmed. Event weekend starts 2026-05-02 (legacy event-level date).
- Wisconsin Lakeside Half Marathon & 5K (Monona)
Exact race date not confirmed. Event weekend starts 2026-09-26 (legacy event-level date).
Location
- Lake Monona 20K & 5K (Monona)
- Monona, Wisconsin
- Wisconsin Lakeside Half Marathon & 5K (Monona)
- Monona, Wisconsin
Actual distance
- Lake Monona 20K & 5K (Monona)
- 5 km
- Wisconsin Lakeside Half Marathon & 5K (Monona)
- 5 km
raceindex.org mapped route held
- Lake Monona 20K & 5K (Monona)
- Held
- Wisconsin Lakeside Half Marathon & 5K (Monona)
- Held
raceindex.org elevation profile held
- Lake Monona 20K & 5K (Monona)
- Held
- Wisconsin Lakeside Half Marathon & 5K (Monona)
- Held
Course type
- Lake Monona 20K & 5K (Monona)
- Loop
- Wisconsin Lakeside Half Marathon & 5K (Monona)
- Unavailable
Surface
- Lake Monona 20K & 5K (Monona)
- Unavailable
- Wisconsin Lakeside Half Marathon & 5K (Monona)
- Tree Covered neighborhood streets.
Elevation character
- Lake Monona 20K & 5K (Monona)
- Unavailable
- Wisconsin Lakeside Half Marathon & 5K (Monona)
- Gently Rolling
Terrain
- Lake Monona 20K & 5K (Monona)
- Road
- Wisconsin Lakeside Half Marathon & 5K (Monona)
- Road
Scenery
- Lake Monona 20K & 5K (Monona)
- Parkland, Coastal, Lakeside, Waterfront, City
- Wisconsin Lakeside Half Marathon & 5K (Monona)
- Coastal, Lakeside, Waterfront, Parkland
Atmosphere
- Lake Monona 20K & 5K (Monona)
- Community, Scenic Tour
- Wisconsin Lakeside Half Marathon & 5K (Monona)
- Festival, Community, Scenic Tour
Total ascent
- Lake Monona 20K & 5K (Monona)
- 50 m
- Wisconsin Lakeside Half Marathon & 5K (Monona)
- 36 m
Climbing density
- Lake Monona 20K & 5K (Monona)
- 10.1 m/km
- Wisconsin Lakeside Half Marathon & 5K (Monona)
- 7.2 m/km
Total descent
- Lake Monona 20K & 5K (Monona)
- 50 m
- Wisconsin Lakeside Half Marathon & 5K (Monona)
- 36 m
Net elevation
- Lake Monona 20K & 5K (Monona)
- 0 m
- Wisconsin Lakeside Half Marathon & 5K (Monona)
- -0 m
Max absolute grade
- Lake Monona 20K & 5K (Monona)
- 7.8%
- Wisconsin Lakeside Half Marathon & 5K (Monona)
- 7.5%
Flat grade share
- Lake Monona 20K & 5K (Monona)
- 61.0%
- Wisconsin Lakeside Half Marathon & 5K (Monona)
- 77.6%
GAP factor
- Lake Monona 20K & 5K (Monona)
- 1.0%
- Wisconsin Lakeside Half Marathon & 5K (Monona)
- 0.6%
Cutoff
- Lake Monona 20K & 5K (Monona)
- 2:45:00
- Wisconsin Lakeside Half Marathon & 5K (Monona)
- Unavailable
Entry model
- Lake Monona 20K & 5K (Monona)
- Open
- Wisconsin Lakeside Half Marathon & 5K (Monona)
- 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, Lake Monona 20K & 5K (Monona) or Wisconsin Lakeside Half Marathon & 5K (Monona)?
Wisconsin Lakeside Half Marathon & 5K (Monona) has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.