20 DECMAP
Lookout Mountain 50 Mile, 18 Mile & 10K Trail Races (Chattanooga)
Tennessee
Latest edition
- Map
- Character
GPS trace: 1,434 pts / wildtrails.org
- Mountainous
- Countryside
- Mountain
- Historic
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Monthly race guide
December running race guide with source-backed race dates, mapped-route counts, elevation profiles, distance coverage and curated comparison links where available.
Dated race pages
Tennessee
Latest edition
GPS trace: 1,434 pts / wildtrails.org
Tennessee
Latest edition
GPS trace: 489 pts / wildtrails.org
Portugal
Latest edition
GPS trace: 237 pts / www.saosilvestredelisboa.com
Alabama
Next race
GPS trace: 1,427 pts / www.southeasterntrailruns.com
Texas
Next race
Texas
Next race
Texas
Next race
Switzerland
Next race
GPS trace: 1,060 pts / escalade.ch
Switzerland
Next race
GPS trace: 1,036 pts / escalade.ch
Switzerland
Next race
GPS trace: 696 pts / escalade.ch
Arkansas
Next race
GPS trace: 517 pts / www.fayettevillehalfmarathon.com
Arkansas
Next race
GPS trace: 262 pts / www.fayettevillehalfmarathon.com
Arkansas
Next race
GPS trace: 212 pts / www.fayettevillehalfmarathon.com
Kentucky
Next race
GPS trace: 1,197 pts / www.crookedcreek100.com
Georgia
Next race
GPS trace: 1,401 pts / www.runbumtours.com
Kentucky
Next race
GPS trace: 763 pts / www.crookedcreek100.com
Kentucky
Next race
GPS trace: 1,147 pts / www.crookedcreek100.com
Tennessee
Next race
GPS trace: 115 pts / www.stjude.org
Tennessee
Next race
GPS trace: 263 pts / www.stjude.org
Georgia
Next race
GPS trace: 1,125 pts / www.runbumtours.com
Georgia
Next race
GPS trace: 391 pts / www.runbumtours.com
Georgia
Next race
GPS trace: 122 pts / www.savannahbridgerun.com
Georgia
Next race
GPS trace: 51 pts / www.savannahbridgerun.com
Tennessee
Next race
GPS trace: 43 pts / www.stjude.org
Tennessee
Next race
GPS trace: 74 pts / www.stjude.org
North Carolina
Next race
Delaware
Next race
Kentucky
Next race
Delaware
Next race
Texas
Next race
Texas
Next race
Texas
Next race
Nevada
Next race
Louisiana
Next race
Florida
Next race
Florida
Next race
California
Next race
GPS trace: 429 pts / runsra.org
Spain
Next race
GPS trace: 541 pts / www.valenciaciudaddelrunning.com
Spain
Next race
GPS trace: 839 pts / www.valenciaciudaddelrunning.com
California
Next race
GPS trace: 429 pts / runsra.org
London
Next race
Yorkshire
Next race
London
Next race
London
Next race
Texas
Next race
Texas
Next race
Texas
Next race
Texas
Next race
Texas
Next race
Texas
Next race
Florida
Next race
GPS trace: 596 pts / daytona100ultra.com
Florida
Next race
GPS trace: 596 pts / daytona100ultra.com
Arizona
Next race
GPS trace: 1,078 pts / phxmarathon.com
Mississippi
Next race
GPS trace: 276 pts / www.msgulfcoastmarathon.com
Alabama
Next race
GPS trace: 942 pts / www.rocketcitymarathon.run
Missouri
Next race
GPS trace: 218 pts / www.stlouistrackclub.com
Missouri
Next race
GPS trace: 486 pts / www.stlouistrackclub.com
Missouri
Next race
GPS trace: 701 pts / www.stlouistrackclub.com
Maryland
Next race
GPS trace: 393 pts / www.celticsolstice.org
Mississippi
Next race
GPS trace: 163 pts / www.msgulfcoastmarathon.com
Louisiana
Next race
GPS trace: 467 pts / runsignup.com
Alabama
Next race
GPS trace: 538 pts / www.rocketcitymarathon.run
Alabama
Next race
GPS trace: 138 pts / www.rocketcitymarathon.run
Alabama
Next race
GPS trace: 167 pts / www.rocketcitymarathon.run
Arizona
Next race
GPS trace: 272 pts / phxmarathon.com
Arizona
Next race
GPS trace: 654 pts / phxmarathon.com
Portugal
Next race
Virginia
Next race
Florida
Next race
Florida
Next race
Florida
Next race
Florida
Next race
| Distance | Race pages | Mapped routes | Elevation profiles |
|---|---|---|---|
| Marathons | 18 | 10 | 2 |
| Half Marathons | 25 | 14 | 5 |
| 10Ks | 17 | 9 | 5 |
| 5Ks | 23 | 9 | 4 |
| Ultramarathons | 12 | 6 | 1 |
| Relays | 8 | 4 | 2 |
| 5 Miles | 2 | 2 | 0 |
| 12Ks | 1 | 1 | 0 |
| Others | 3 | 2 | 1 |
Lowest-GAP routes compared for fastest available course shape.
Best race-day conditions compared with route, cost and evidence context.
Lowest-GAP routes compared for fastest available course shape.
Hilliest mapped routes compared for runners who want climbing.
Best race-day conditions compared with route, cost and evidence context.
Lowest-GAP routes compared for fastest available course shape.
This guide includes race pages whose latest source-backed race date falls in December. Races without a usable date are excluded until date evidence is available.
57 December race pages currently have stored route geometry. Route traces appear only when stored geometry exists.
Featured races are ordered by race date first, then by available evidence such as route geometry, elevation profiles, route metrics, cost data and race-character tags.