Scenic score
- Boulderthon 10K
- 90/100
- Boulderthon 5K
- 90/100
Boulderthon 10K vs Boulderthon 5K
A data-led head-to-head using sourced race facts and available derived figures under one published methodology.
Data current as ofBoulderthon 10K or Boulderthon 5K — which comes out ahead?
The available sourced metrics do not create a clear lead; use the table to compare the held route, cost and race-day evidence.
Route comparison snapshot
Boulderthon 10K
- Mapped route
- Not held
- Elevation profile
- Not held
Boulderthon 5K
- Mapped route
- Not held
- Elevation profile
- Not held
| Metric | Boulderthon 10K | Boulderthon 5K |
|---|---|---|
| Scenic score | 90/100 | 90/100 |
| Conditions | 81/100 | 81/100 |
Conditions
- Boulderthon 10K
- 81/100
- Boulderthon 5K
- 81/100
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 | Boulderthon 10K | Boulderthon 5K |
|---|---|---|
| Schedule | Exact race date not confirmed. Event weekend starts 2026-09-27 (legacy event-level date). | Exact race date not confirmed. Event weekend starts 2026-09-27 (legacy event-level date). |
| Location | Boulder, Colorado | Boulder, Colorado |
| Actual distance | 10 km | 5 km |
| raceindex.org mapped route held | Not held | Not held |
| raceindex.org elevation profile held | Not held | Not held |
| Terrain | Road | Road |
| Scenery | City, Coastal, Mountain, Lakeside, Countryside | City, Coastal, Mountain, Lakeside, Countryside |
| Atmosphere | Big City, Festival, Destination | Big City, Festival, Destination |
| Entry model | Open | Open |
Schedule
- Boulderthon 10K
Exact race date not confirmed. Event weekend starts 2026-09-27 (legacy event-level date).
- Boulderthon 5K
Exact race date not confirmed. Event weekend starts 2026-09-27 (legacy event-level date).
Location
- Boulderthon 10K
- Boulder, Colorado
- Boulderthon 5K
- Boulder, Colorado
Actual distance
- Boulderthon 10K
- 10 km
- Boulderthon 5K
- 5 km
raceindex.org mapped route held
- Boulderthon 10K
- Not held
- Boulderthon 5K
- Not held
raceindex.org elevation profile held
- Boulderthon 10K
- Not held
- Boulderthon 5K
- Not held
Terrain
- Boulderthon 10K
- Road
- Boulderthon 5K
- Road
Scenery
- Boulderthon 10K
- City, Coastal, Mountain, Lakeside, Countryside
- Boulderthon 5K
- City, Coastal, Mountain, Lakeside, Countryside
Atmosphere
- Boulderthon 10K
- Big City, Festival, Destination
- Boulderthon 5K
- Big City, Festival, Destination
Entry model
- Boulderthon 10K
- Open
- Boulderthon 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.