Skip to content
TrailMath
Build my plan Dashboard Build my plan Dashboard

Race Time Predictor

How fast will you run Canyons 50K?

Canyons 50K race stats pre-loaded (50 km, 1,553 m D+). Enter a known race result to get an elevation-adjusted finish time estimate.

50km1,553m D+Winner: ~3h22Cutoff: 10h

50 kmdistance1,553 mD+1,553 mD-73km-effort
GentleSteadySteepVery steep
  1. Your race (done)
  2. About you
  3. Your finish

1Your race

Canyons 50KOfficial course loaded · 50 km · 1,553 m D+Different race?

Have the GPX? Measure the exact course in the GPX Explorer

  • The course

    50 km, but it costs 73 km-effort. The 1,553 m of descent is where legs go.

2How should we estimate you?

Start with

Pick whichever you have. After your first estimate we ask for the other - two inputs give a firmer read.

Same as gain. Edit if different.

Hours, or h:mm

From my Strava history (opens in a new tab)Your last 90 days of real training. Opens the TrailMath app.Read-only access to your activities. Nothing is posted to Strava, and no training plan is created until you ask for one.Powered by Strava
  • TrailMath

    Got a UTMB index? Hand it over, it's the straightest read I get. No index? A long, hilly past race works too.

3 · Your predicted finish

66 km-effort (ITRA, gain only)73 km-effort

Add a past race or your index to get a finish time.

Canyons 50K finish times by UTMB Index

Predicted finish on the Canyons 50K course (50.0 km, 1,553 m D+) for each UTMB Index, with the margin to the 10h00 cutoff.

Canyons 50K: predicted finish time by UTMB Index
UTMB IndexPredicted finishAverage paceMargin to cutoff
8503h364:19 /km6:56 /mi+6h24
8003h564:43 /km7:35 /mi+6h04
7504h185:09 /km8:18 /mi+5h42
700competitive4h425:38 /km9:04 /mi+5h18
6505h086:09 /km9:54 /mi+4h52
6005h366:44 /km10:50 /mi+4h24
5506h087:21 /km11:50 /mi+3h52
500mid-pack6h428:02 /km12:56 /mi+3h18
4507h198:47 /km14:09 /mi+2h41
400back of the pack8h009:36 /km15:28 /mi+2h00
3508h4510:30 /km16:54 /mi+1h15
3009h3411:29 /km18:29 /mi+0h26

The 10h00 cutoff sits at about Index 275. The typical winning time, 3h22, sits at about Index 887. At the 2026 edition, the median of the 609 finishers took 6h57, about Index 479. A model estimate, not an official ITRA or UTMB figure.

From a result you already have

What the predictor gives on Canyons 50K for a few common reference results.

Canyons 50K: predicted finish from reference results
Road marathon3h00 → 5h543h30 → 6h534h00 → 7h524h30 → 8h51
50 km trail, 2,000 m D+5h30 → 4h576h30 → 5h517h30 → 6h448h30 → 7h38

Road marathons use the tool's rougher power-law fallback.

To prepare each checkpoint, use the Canyons 50K aid station planner.

Canyons 50K course in numbers

Climbing per kmClimbing per mile
31 m164 ft
ITRA km-effort
66 (50K)
Highest point
586 m1,923 ft
Biggest climb
+323 m over 5.9 km at 5.1% (through Clementine)+1,060 ft over 3.7 mi at 5.1% (through Clementine)
Steepest climb
+206 m over 1.7 km at 12.1% (from Mammoth Bar)+676 ft over 1.1 mi at 12.1% (from Mammoth Bar)
Longest descent
-237 m over 4.1 km at 5.5% (down to Confluence - 2)-778 ft over 2.5 mi at 5.5% (down to Confluence - 2)
Track climbing above 3%
35%
Winning time / cutoff
3h22 / 10h00 (3x the winner's time)

Section-by-section climbs, descents and grades are on the Canyons 50K course page.

Predict your Canyons 50K finish time from a reference race result, adjusted for the course's 50 km and roughly 1,553 m of elevation gain. The overall cutoff is 10h.

About The Canyons Endurance Runs by UTMB - 50K

The Canyons Endurance Runs by UTMB - 50K covers 50 km (about 31 miles) with around 1,553 m of elevation gain, starting in Downtown Auburn, California, USA. The overall cutoff is 10 hours.

Checkpoint data approximate - verify against the current official race guide at canyons.utmb.world before your race.

How the prediction works

Your result becomes a UTMB Index, mapped onto Canyons 50K by the calibrated model behind the ITRA / UTMB Index Estimator. Full methodology.

Build a training plan targeted at your Canyons 50K goal time

TrailMath uses these models to build periodized plans adjusted to your goals and terrain.

Build my plan