Flat grade share
- Jungfrau-Marathon Interlaken
- 47.7% Favoured
Jungfrau-Marathon Interlaken vs Gornergrat Zermatt Marathon
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofJungfrau-Marathon Interlaken or Gornergrat Zermatt Marathon — which comes out ahead?
Jungfrau-Marathon Interlaken and Gornergrat Zermatt Marathon split the available advantages, so the better choice depends on which metric matters most to the runner.
Route comparison snapshot
Jungfrau-Marathon Interlaken
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 30.0%
- flat grade share
- 47.7% Favoured
- lower ascent
- 1,960 m
- climbing density
- 46.5 m/km
- net elevation
- 1,761 m
- maximum grade
- 35.4%
Gornergrat Zermatt Marathon
- Mapped route
- Held
- Elevation profile
- Held
- course flatness
- 25.9% Favoured
- flat grade share
- 37.5%
- lower ascent
- 1,876 m
- climbing density
- 44.5 m/km
- net elevation
- 1,473 m
- maximum grade
- 26.2%
| Metric | Jungfrau-Marathon Interlaken | Gornergrat Zermatt Marathon |
|---|---|---|
| Flat grade share | 47.7% ✓ | 37.5% |
| GAP factor (% slower than flat) | 30.0% | 25.9% ✓ |
| Uphill share | 45.6% | 49.1% |
| Steep-up share | 28.5% | 32.0% |
| Downhill share | 6.7% | 13.4% |
| Total ascent (m) | 1,960 m | 1,876 m |
| Climbing density (m/km) | 46.5 m/km | 44.5 m/km |
| Longest climb length (m) | 2,270 m | 7,910 m |
| Longest climb gain (m) | 379 m | 659 m |
| Longest climb average grade | 16.7% | 8.3% |
| Total descent (m) | 200 m | 404 m |
| Net elevation (m) | 1,761 m | 1,473 m |
| Max absolute grade | 35.4% | 26.2% |
| Start elevation (m) | 566 m | 1,102 m |
| Finish elevation (m) | 2,327 m | 2,574 m |
| Scenic score | 100/100 ✓ | 88/100 |
| Conditions | 63/100 | 83/100 ✓ |
GAP factor (% slower than flat)
- Gornergrat Zermatt Marathon
- 25.9% Favoured
Uphill share
Steep-up share
Downhill share
Total ascent (m)
- Jungfrau-Marathon Interlaken
- 1,960 m
- Gornergrat Zermatt Marathon
- 1,876 m
Climbing density (m/km)
- Jungfrau-Marathon Interlaken
- 46.5 m/km
- Gornergrat Zermatt Marathon
- 44.5 m/km
Longest climb length (m)
- Jungfrau-Marathon Interlaken
- 2,270 m
- Gornergrat Zermatt Marathon
- 7,910 m
Longest climb gain (m)
Longest climb average grade
Total descent (m)
Net elevation (m)
- Jungfrau-Marathon Interlaken
- 1,761 m
- Gornergrat Zermatt Marathon
- 1,473 m
Max absolute grade
Start elevation (m)
- Gornergrat Zermatt Marathon
- 1,102 m
Finish elevation (m)
- Jungfrau-Marathon Interlaken
- 2,327 m
- Gornergrat Zermatt Marathon
- 2,574 m
Scenic score
- Jungfrau-Marathon Interlaken
- 100/100 Favoured
Conditions
- Gornergrat Zermatt Marathon
- 83/100 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 | Jungfrau-Marathon Interlaken | Gornergrat Zermatt Marathon |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2026-09-05 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-07-03 (legacy event-level date). |
| Location | Interlaken, Switzerland | Zermatt, Switzerland |
| Actual distance | 42.2 km | 42.2 km |
| raceindex.org mapped route held | Held | Held |
| raceindex.org elevation profile held | Held | Held |
| Course type | Point To Point | Point To Point |
| Surface | Mixed: flat asphalt roads through the valley for the first ~10 km, then mountain roads and alpine nature/gravel paths on the climb to Eigergletscher | Mixed |
| Elevation character | Mountainous | Mountainous |
| Terrain | Road, Trail | Mixed, Gravel |
| Scenery | Mountain, Forest, Lakeside, Countryside | Mountain, Forest, Countryside, Riverside |
| Atmosphere | Scenic Tour, Destination, Wilderness | Destination, Scenic Tour, Competitive |
| Technicality | Moderate | Moderate |
| Total ascent | 1,960 m | 1,876 m |
| Climbing density | 46.5 m/km | 44.5 m/km |
| Total descent | 200 m | 404 m |
| Net elevation | 1,761 m | 1,473 m |
| Max absolute grade | 35.4% | 26.2% |
| Flat grade share | 47.7% | 37.5% |
| GAP factor | 30.0% | 25.9% |
| Cutoff | 5:50:00 | 7:15:00 |
| Entry model | Open | Open |
Schedule
- Jungfrau-Marathon Interlaken
Exact race date not confirmed. Event weekend starts 2026-09-05 (legacy event-level date).
- Gornergrat Zermatt Marathon
Exact race date not confirmed. Event weekend starts 2026-07-03 (legacy event-level date).
Location
- Jungfrau-Marathon Interlaken
- Interlaken, Switzerland
- Gornergrat Zermatt Marathon
- Zermatt, Switzerland
Actual distance
- Jungfrau-Marathon Interlaken
- 42.2 km
- Gornergrat Zermatt Marathon
- 42.2 km
raceindex.org mapped route held
- Jungfrau-Marathon Interlaken
- Held
- Gornergrat Zermatt Marathon
- Held
raceindex.org elevation profile held
- Jungfrau-Marathon Interlaken
- Held
- Gornergrat Zermatt Marathon
- Held
Course type
- Jungfrau-Marathon Interlaken
- Point To Point
- Gornergrat Zermatt Marathon
- Point To Point
Surface
- Jungfrau-Marathon Interlaken
- Mixed: flat asphalt roads through the valley for the first ~10 km, then mountain roads and alpine nature/gravel paths on the climb to Eigergletscher
- Gornergrat Zermatt Marathon
- Mixed
Elevation character
- Jungfrau-Marathon Interlaken
- Mountainous
- Gornergrat Zermatt Marathon
- Mountainous
Terrain
- Jungfrau-Marathon Interlaken
- Road, Trail
- Gornergrat Zermatt Marathon
- Mixed, Gravel
Scenery
- Jungfrau-Marathon Interlaken
- Mountain, Forest, Lakeside, Countryside
- Gornergrat Zermatt Marathon
- Mountain, Forest, Countryside, Riverside
Atmosphere
- Jungfrau-Marathon Interlaken
- Scenic Tour, Destination, Wilderness
- Gornergrat Zermatt Marathon
- Destination, Scenic Tour, Competitive
Technicality
- Jungfrau-Marathon Interlaken
- Moderate
- Gornergrat Zermatt Marathon
- Moderate
Total ascent
- Jungfrau-Marathon Interlaken
- 1,960 m
- Gornergrat Zermatt Marathon
- 1,876 m
Climbing density
- Jungfrau-Marathon Interlaken
- 46.5 m/km
- Gornergrat Zermatt Marathon
- 44.5 m/km
Total descent
- Jungfrau-Marathon Interlaken
- 200 m
- Gornergrat Zermatt Marathon
- 404 m
Net elevation
- Jungfrau-Marathon Interlaken
- 1,761 m
- Gornergrat Zermatt Marathon
- 1,473 m
Max absolute grade
- Jungfrau-Marathon Interlaken
- 35.4%
- Gornergrat Zermatt Marathon
- 26.2%
Flat grade share
- Jungfrau-Marathon Interlaken
- 47.7%
- Gornergrat Zermatt Marathon
- 37.5%
GAP factor
- Jungfrau-Marathon Interlaken
- 30.0%
- Gornergrat Zermatt Marathon
- 25.9%
Cutoff
- Jungfrau-Marathon Interlaken
- 5:50:00
- Gornergrat Zermatt Marathon
- 7:15:00
Entry model
- Jungfrau-Marathon Interlaken
- Open
- Gornergrat Zermatt 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.
Common questions
Which is flatter, Jungfrau-Marathon Interlaken or Gornergrat Zermatt Marathon?
Gornergrat Zermatt Marathon has the lower GAP factor, making it the flatter course on our route model and more favourable on gradient alone.