Race Time Predictor
How fast will you run Chianti CUT 73K?
Chianti CUT 73K race stats pre-loaded (73 km, 3,000 m D+). Enter a known race result to get an elevation-adjusted finish time estimate.
73km3,000m D+Winner: ~5h39Cutoff: 16h
Full Chianti Ultra Trail by UTMB - CUT 73K course data: aid stations, cutoffs, course profile
- ✓Your race (done)
- 2About you
- 3Your finish
1Your race
- The course
73 km, but it costs 118 km-effort. The 3,000 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
- 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
103 km-effort (ITRA, gain only)118 km-effort
Add a past race or your index to get a finish time.
Chianti CUT 73K finish times by UTMB Index
Predicted finish on the Chianti CUT 73K course (73.0 km, 3,000 m D+) for each UTMB Index, with the margin to the 16h00 cutoff.
| UTMB Index | Predicted finish | Average pace | Margin to cutoff |
|---|---|---|---|
| 850 | 6h26 | 5:18 /km8:31 /mi | +9h34 |
| 800 | 7h02 | 5:47 /km9:19 /mi | +8h58 |
| 750 | 7h42 | 6:19 /km10:11 /mi | +8h18 |
| 700competitive | 8h25 | 6:55 /km11:07 /mi | +7h35 |
| 650 | 9h12 | 7:33 /km12:10 /mi | +6h48 |
| 600 | 10h03 | 8:16 /km13:17 /mi | +5h57 |
| 550 | 10h59 | 9:02 /km14:32 /mi | +5h01 |
| 500mid-pack | 12h00 | 9:52 /km15:53 /mi | +4h00 |
| 450 | 13h07 | 10:47 /km17:22 /mi | +2h53 |
| 400back of the pack | 14h21 | 11:47 /km18:58 /mi | +1h39 |
| 350 | 15h41 | 12:53 /km20:44 /mi | +0h19 |
| 300 | 17h08 | 14:05 /km22:40 /mi | 1h08 past the cutoff |
The 16h00 cutoff sits at about Index 339. The typical winning time, 5h39, sits at about Index 923. At the 2026 edition, the median of the 1,036 finishers took 10h24, about Index 581. A model estimate, not an official ITRA or UTMB figure.
From a result you already have
What the predictor gives on Chianti CUT 73K for a few common reference results.
| Road marathon | 3h00 → 10h34 | 3h30 → 12h20 | 4h00 → 14h06 | 4h30 → 15h51 |
|---|---|---|---|---|
| 50 km trail, 2,000 m D+ | 5h30 → 8h51 | 6h30 → 10h28 | 7h30 → 12h04 | 8h30 → 13h40 |
Road marathons use the tool's rougher power-law fallback.
To prepare each checkpoint, use the Chianti CUT 73K aid station planner.
Chianti CUT 73K course in numbers
- Climbing per kmClimbing per mile
- 41 m217 ft
- ITRA km-effort
- 103 (100K)
- Highest point
- 901 m2,956 ft
- Biggest climb
- +325 m over 3.6 km at 8.3%+1,066 ft over 2.2 mi at 8.3%
- Steepest climb
- +149 m over 1.1 km at 12.5%+489 ft over 0.7 mi at 12.5%
- Longest descent
- -404 m over 6.0 km at 5.2% (through Villa San Michele)-1,325 ft over 3.7 mi at 5.2% (through Villa San Michele)
- Track climbing above 3%
- 37%
- Winning time / cutoff
- 5h39 / 16h00 (2.8x the winner's time)
Section-by-section climbs, descents and grades are on the Chianti CUT 73K course page.
Predict your Chianti CUT 73K finish time from a reference race result, adjusted for the course's 73 km and roughly 3,000 m of elevation gain. The overall cutoff is 16h.
About Chianti Ultra Trail by UTMB - CUT 73K
Chianti Ultra Trail by UTMB - CUT 73K covers 73 km with around 3,000 m of elevation gain, starting in Radda in Chianti, Italy. The overall cutoff is 16 hours.
Crew access is allowed at Castello di Albola (50.32 km) and Villa San Michele (58.84 km). Drop bags are available at Castello di Albola.
Checkpoint data approximate - verify against the current official race guide at chianti.utmb.world before your race.
How the prediction works
Your result becomes a UTMB Index, mapped onto Chianti CUT 73K by the calibrated model behind the ITRA / UTMB Index Estimator. Full methodology.
Build a training plan targeted at your Chianti CUT 73K goal time
TrailMath uses these models to build periodized plans adjusted to your goals and terrain.
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