25 JULMAP
Idaho Falls Marathon
Idaho
Latest edition
- Map
- Profile
- Character
GPS trace: 366 pts / www.idahofallsmarathon.com
- Flat
- Waterfront
- Countryside
- Riverside
- Ascent
- 50 m
- m/km
- 2.4 m/km
5hCut-off
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First-race planning
A first half marathon should give you enough time, a readable course and clear logistics. This shortlist starts with source-backed cut-off times, then favours gentler course evidence, open-entry signals, route maps and cost fields where RaceIndex holds them.
How the shortlist works
Every candidate needs a source-backed cut-off time. Very short limits and extreme ultra-style limits are excluded from this first-race shortlist.
Where ascent is held, the guide favours lower-climb courses. Races above the distance-specific ascent ceiling are filtered out.
Open-entry, route-map, elevation-profile and cost fields improve the fit score only when RaceIndex holds those source-backed signals.
Shortlist
Idaho
Latest edition
GPS trace: 366 pts / www.idahofallsmarathon.com
California
Next race
GPS trace: 534 pts / www.mountains2beachmarathon.com
California
Next race
Tennessee
Latest edition
New York
Next race
Louisiana
Next race
South East
Next race
GPS trace: 513 pts / www.southamptonmarathon.co.uk
Texas
Latest edition
GPS trace: 506 pts / downhilltodowntown.com
Slovenia
Next race
GPS trace: 229 pts / ljubljanskimaraton.si
Alaska
GPS trace: 1,287 pts / hoodoobrew.com
Maryland
Next race
GPS trace: 268 pts / www.thebaltimoremarathon.com
Colorado
Next race
GPS trace: 542 pts / www.gtishalf.com
Belgium
Next race
East Of England
Next race
GPS trace: 942 pts / www.cmhalf.com
Tennessee
Next race
GPS trace: 115 pts / www.stjude.org
East Of England
Next race
GPS trace: 399 pts / www.colchesterhalfmarathon.com
Germany
Next race
GPS trace: 325 pts / www.marathon-hannover.de
North Carolina
Next race
GPS trace: 102 pts / wilmingtonncmarathon.com
Wyoming
Next race
GPS trace: 316 pts / runcodywy.com
Nebraska
Next race
GPS trace: 232 pts / www.goodlifehalfsy.com
Texas
Next race
GPS trace: 1,215 pts / www.runthealamo.com
Montana
Latest edition
Texas
Next race
Indiana
Next race
GPS trace: 561 pts / www.womensrunningfestival.com
East Of England
Next race
GPS trace: 239 pts / norwichhalfmarathon.co.uk
West Midlands
Next race
GPS trace: 450 pts / www.wolveshm.com
South East
Latest edition
North East
Latest edition
GPS trace: 587 pts / www.activehartlepool.co.uk
Maine
Next race
GPS trace: 378 pts / www.mainecoastmarathon.com
Kentucky
Next race
Italy
Next race
GPS trace: 262 pts / maratonadipisa.com
East Of England
Next race
GPS trace: 1,210 pts / www.cambridgehalfmarathon.com
Northern Ireland
Next race
GPS trace: 740 pts / belfastcitymarathon.com
Arkansas
Next race
GPS trace: 426 pts / www.cityofcollegeshalf.com
Italy
Next race
GPS trace: 204 pts / triestespringrun.com
Maryland
Next race
GPS trace: 217 pts / www.ocmdrunfest.com
5h cut-off | 50 m ascent | open entry | route map | elevation profile
First-race fit score 78; unsupported fields are left blank rather than inferred.
5h 30m cut-off | open entry | route map
First-race fit score 75; unsupported fields are left blank rather than inferred.
6h cut-off | open entry
First-race fit score 74; unsupported fields are left blank rather than inferred.
6h cut-off | open entry
First-race fit score 74; unsupported fields are left blank rather than inferred.
6h cut-off | open entry
First-race fit score 74; unsupported fields are left blank rather than inferred.
6h cut-off | open entry
First-race fit score 74; unsupported fields are left blank rather than inferred.
6h cut-off | 151 m ascent | open entry | route map | elevation profile
First-race fit score 69; unsupported fields are left blank rather than inferred.
4h cut-off | 42 m ascent | open entry | route map | elevation profile
First-race fit score 67; unsupported fields are left blank rather than inferred.
4h cut-off | 53 m ascent | open entry | route map | elevation profile
First-race fit score 65; unsupported fields are left blank rather than inferred.
5h cut-off | 133 m ascent | open entry | route map | elevation profile
First-race fit score 64; unsupported fields are left blank rather than inferred.
5h cut-off | open entry | route map
First-race fit score 63; unsupported fields are left blank rather than inferred.
5h cut-off | open entry | route map
First-race fit score 63; unsupported fields are left blank rather than inferred.
Switch to marathon first-race candidates using the same cut-off, course and entry-signal method.
Switch to 10K first-race candidates using the same cut-off, course and entry-signal method.
Switch to 5K first-race candidates using the same cut-off, course and entry-signal method.
Compare source-backed half marathon cut-off times before choosing a first-race target.
Use the formal beginner and route rankings when enough score inputs clear the published guardrails.
Inspect mapped route evidence and elevation-profile availability for races in this distance.
Find answer paths for cut-offs, route maps, elevation, cost, locations and score readiness.
Read how RaceIndex gates scores, route evidence and unsupported claims.
A good first race usually combines a realistic cut-off, manageable climbing, clear entry logistics, route evidence and costs you can plan around. RaceIndex shows those signals separately rather than turning missing data into a recommendation.
No. They are RaceIndex first-race candidates from the current source-backed fields. The ranking favours generous stated cut-offs, gentler route evidence and open-entry logistics where those inputs are available.
Very long event cut-offs can make ultra or trail festivals look easier than they are for first-timer road-race intent. This guide filters obvious ultra and trail-first outliers so the list stays aligned with road-race planning.
A half marathon appears here only when it has a source-backed cut-off time and enough first-race suitability signals to pass the guide guardrail. The current page has 234 qualifying race pages.