BestRacestrail · marathon · half
2026 Greenbrier River Trail Marathon & Half Marathon
Build your free race-day pace plan| Distances | marathon, half |
| Surface | trail |
| Field size | 166 runners |
| USATF certified | N/A (trail) |
| Boston qualifier | No |
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Race Pace Analyzer beta
Build your 2026 Greenbrier River Trail Marathon & Half Marathon splits
Not a generic pace calculator — this one already knows the course. Give it your goal finish time and it returns every split to the tape, adjusted for this race's terrain and typical race-morning heat, plus a fueling plan and an honest read on whether the goal fits your fitness. Free, no signup, nothing held back.
- Already loaded
- 2 distances
- Trail underfoot
- ≈48°F on October race mornings
| Mile | Split | Elapsed |
|---|
Training paces for this goal
The everyday paces that build the fitness behind your goal — derived from your target with the Daniels VDOT model. Bookmark these for your next training block.
Guides, not gospel — run easy days by feel and adjust for heat, hills, and how your legs actually feel that day.
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Beta: splits are exact math on your goal time; terrain and weather notes are estimates from this race's listed data, not a forecast. Pacing is a plan, not a promise.