NUTS Karhunkierros - 83 km

NUTS Karhunkierros 83 Finish Time Predictor

NUTS Karhunkierros 83 race stats pre-loaded (83.8 km, 1,790 m D+). Enter a known race result to get an elevation-adjusted finish time estimate.

83.8km1,790m D+Winner: ~8h03Cutoff: 18h

Full NUTS Karhunkierros - 83 km course data: aid stations, cutoffs, course profile

1. Your race

NUTS Karhunkierros 83

83.8 km · 1790 m D+ · 1671 m D-

Different race?

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

2. How should we estimate you?

From my Strava historyYour 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.

Distance (km)

Elevation gain (m)

Elevation loss (m)

Same as gain. Edit if different.

Finish time

Hours, or h:mm

3. Your predicted finish

101.7 km-effort (ITRA, gain only)110.1 km-effort

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

NUTS Karhunkierros 83 finish times by UTMB Index

Predicted finish on the NUTS Karhunkierros 83 course (83.8 km, 1,790 m D+) for each UTMB Index, with the margin to the 18h00 cutoff.

NUTS Karhunkierros 83: predicted finish time by UTMB Index
UTMB Index	Predicted finish	Average pace	Margin to cutoff
850	5h57	4:16 /km	+12h03
800	6h30	4:39 /km	+11h30
750	7h07	5:05 /km	+10h53
700competitive	7h46	5:34 /km	+10h14
650	8h30	6:05 /km	+9h30
600	9h17	6:39 /km	+8h43
550	10h09	7:16 /km	+7h51
500mid-pack	11h06	7:57 /km	+6h54
450	12h08	8:41 /km	+5h52
400back of the pack	13h16	9:30 /km	+4h44
350	14h30	10:23 /km	+3h30
300	15h51	11:21 /km	+2h09

The 18h00 cutoff sits at about Index 228. The typical winning time, 8h03, sits at about Index 680. At the 2026 edition, the median of the 662 finishers took 14h55, about Index 334. A model estimate, not an official ITRA or UTMB figure.

From a result you already have

What the predictor gives on NUTS Karhunkierros 83 for a few common reference results.

NUTS Karhunkierros 83: predicted finish from reference results
Road marathon	3h00 → 9h42	3h30 → 11h19	4h00 → 12h56	4h30 → 14h33
50 km trail, 2,000 m D+	5h30 → 8h11	6h30 → 9h40	7h30 → 11h09	8h30 → 12h38

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

To prepare each checkpoint, use the NUTS Karhunkierros 83 aid station planner.

NUTS Karhunkierros 83 course in numbers

Climbing per km: 21 m
ITRA km-effort: 102 (100K)
Highest point: 492 m
Biggest climb: +296 m over 11.0 km at 1.7% (through Basecamp)
Steepest climb: +121 m over 0.9 km at 13.2%
Longest descent: -129 m over 9.8 km at 0.6%
Track climbing above 3%: 22%
Winning time / cutoff: 8h03 / 18h00 (2.2x the winner's time)

Section-by-section climbs, descents and grades are on the NUTS Karhunkierros 83 course page.

Predict your NUTS Karhunkierros 83 finish time from a reference race result, adjusted for the course's 83.8 km and roughly 1,790 m of elevation gain. The overall cutoff is 18h.

About NUTS Karhunkierros - 83 km

NUTS Karhunkierros - 83 km covers 83.8 km with around 1,790 m of elevation gain, starting in Napapiiri, Hautajärvi, Salla, Finland. The overall cutoff is 18 hours.

Checkpoint data approximate - verify against the current official race guide at nutskarhunkierros.fi before your race.

How the prediction works

Your result becomes a UTMB Index, mapped onto NUTS Karhunkierros 83 by the calibrated model behind the ITRA / UTMB Index Estimator. Full methodology.

Build a training plan targeted at your NUTS Karhunkierros 83 goal time

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