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Summit Line
⏵ TRAILRUN · 17 AUG 2026

FORESTHILL DESCENTS, QUAD DURABILITY

Monday, 17 August 2026 · 06:30

← FIELD LOG
12.6TRAILRUN
MI · 17 AUG 2026

9:22 /mi average, 8:58 /mi grade-adjusted. 1:58:00 moving, 1,650 ft of climbing.

View Analysis

An easy aerobic day: 12.6 miles at 9:22/mi, heart rate kept honest. Days like this are the base the big efforts are spent from.

⏵ ROUTE MAP

THE LINE FROM ABOVE

Your GPS trace, grade-colored. Scrub the elevation chart below to track your spot on the line.
CLIMBDESCDARKER = STEEPER
⏵ THE ANALYSIS · DEEP DIVE
144BPM AVG· 165 MAX92.0TRIMP LOAD
⏵ ELEVATION · PACE · HR · GRADE

THE SHAPE OF THE RUN

Elevation over distance with a difficulty-banded fill. Scrub to read pace, heart rate, and grade at any point; the route map follows.
Avg Grade
+0.4%BIG CLIMBING
+19.2 % steepest2,156 ft gain12.6 mi
GRADE profileCourse covers 12.6 miles. GRADE ranges -15–19 %. Zone distribution: 11% 12% grade or steeper, 22% 8 to 12% grade, 29% 4 to 8% grade, 39% under 4% grade.0%+19%+2%-15%0.0 MI3.2 MI6.3 MI9.5 MI12.6 MI
Hover, drag, or use arrow keys to scrub the profile.
  • <4%
  • 4–8%
  • 8–12%
  • ≥12%
⏵ TRACES

PACE · HEART RATE

The two signals over distance, stacked, so you can read where effort spiked. Grade lives on the elevation profile above.
Activity traces, pace and HR over distance12.6 mile run, 2 lanes: Pace 7:04/mi–13:54/mi; HR 142 bpm–156 bpm. Use the arrow keys to scrub the shared readout.PACE · FASTER ↑9:36AVG MIN/MI7:04/mi12:12/miHR148AVG BPM156 bpm142 bpm0.0 MI3.2 MI6.3 MI9.5 MI12.6 MI
⏵ MILE SPLITS

THE PER-MILE BREAKDOWN

Each mile as a pace bar (your fastest mile fills the bar) with vert and average heart rate alongside.
miPaceTimeHRVert ft
  1. 1
    10:17
    10:17149+305
  2. 2
    12:13
    12:13149+616
  3. 3
    8:46
    8:46146-215
  4. 4
    8:18
    8:18145-292
  5. 5
    8:33
    8:33146-244
  6. 6
    10:19
    10:19150+178
  7. 7
    9:33
    9:33146-1
  8. 8
    8:28
    8:28149-237
  9. 9
    8:33
    8:33148-184
  10. 10
    9:40
    9:40148-72
  11. 11
    10:23
    10:23154+290
  12. 12
    9:07
    9:07149+46
  13. 130.60 mi
    PARTIAL
    9:25
    5:39150+50