• Half Marathon
  • 21.1 km
  • Adamant
  • Event weekend starts
  • Past event

Adamant Half Marathon

This race edition

Race date
Date not confirmed for this distance
Race timezone
Timezone not confirmed
Edition status
Status not confirmed

Entry options

2026 edition

Entry options are not yet confirmed for this edition. Check the organiser before making plans.

Modelled energy-cost change 3.6% versus flat · net elevation -13 m

Decision summary

Adamant Half Marathon at a glance

Route ascent
459 m

Lower than 14% of comparable mapped races

Cut-off average pace
8:32/km

3:00:00 total limit divided by distance. Check gun/chip timing and intermediate limits; allow time for stops.

Typical conditions
91/100

Historical race-date favourability, not a forecast

Evidence depth
28 verified facts

Stored GPS route

Quick answers

What runners ask first

Adamant Half Marathon route map

raceindex.org has a GPS course file for Adamant Half Marathon, so runners can inspect the route line on the map. Elevation charts and ascent figures appear only when that file includes usable elevation data.

How hilly is the Adamant Half Marathon?

The Adamant Half Marathon route has 459 m of ascent, 472 m of descent and an estimated 3.6% grade-adjusted pace penalty versus a flat route.

Where does the Adamant Half Marathon route go?

The Adamant Half Marathon route starts at 1171 Haggett Rd, Adamant, Vermont and finishes at 1171 Haggett Rd, Adamant, Vermont. Underfoot, expect 90% dirt roads. It passes Calais, East Montpelier and Adamant. Scenic figure-8 course on 90% dirt roads with ponds and hills through Calais and East Montpelier.

Race character

Scenery

  • Waterfront
  • Countryside
  • Lakeside

Atmosphere

  • Community
  • Scenic Tour

Terrain

  • Road
  • Gravel
Elevation character
Hilly
Technicality
Moderate

Entry, logistics and records

Entry requirements

Entry status
Past event: The listed edition date has passed.
Cut-off
Aid stations and finish line remain open for finishers by 1:00pm (start 10:00am, ~3 hours)
Qualification status
None not a qualifying race

Race day logistics

Medal
All half marathon finishers receive a unique Adamant Half finishers medal

Access and course status

Start
1171 Haggett Rd, Adamant, Vermont
Finish
1171 Haggett Rd, Adamant, Vermont

Course facts

Course type
Loop
Surface
90% dirt roads
Landmarks
Calais, East Montpelier, Adamant
Notable features
  • Aid stations approximately every 2-3 miles with sports drink and water
  • raffle prizes
  • early start option at 9:30am for slower runners
  • Scenic figure-8 course on 90% dirt roads with ponds and hills through Calais and East Montpelier

How hilly is the Adamant Half Marathon?

14%21%31%18%16%
  • Steep descent 14%
  • Descent 21%
  • Flat 31%
  • Climb 18%
  • Steep climb 16%
Total ascent
459 m
Net elevation
−13 m
GAP factor
3.6%
Longest climb
1,260 m at 6.7%
Gradient mix and ascent are derived from the course geometry under our published normalisation, not taken from organiser marketing.

What are typical race-day conditions?

  • 10°CTypical temperature
  • 15 kphTypical wind
  • 3 mmTypical rainfall
  • 91Favourability /100
Typical conditions for the race date and locality, within the endurance-optimal window. These are climatological norms, not a forecast, and are shared across every distance at this event.

More race details

Is the Adamant Half Marathon flat?

Its normalised GAP factor is 3.6% slower than a flat course, with about 459 m of total ascent.