Race Time Predictor

How fast will you run Chianti UTCC?

Chianti UTCC race stats pre-loaded (123 km, 5,200 m D+). Enter a known race result to get an elevation-adjusted finish time estimate.

123km5,200m D+Winner: ~9h59Cutoff: 26h30

Full Chianti Ultra Trail by UTMB - UTCC 123K course data: aid stations, cutoffs, course profile

123 kmdistance5,200 mD+5,200 mD-201km-effort

GentleSteadySteepVery steep

Your race (done)
About you
Your finish

1Your race

Chianti UTCCOfficial course loaded · 123 km · 5,200 m D+Different race?

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

The course
123 km, but it costs 201 km-effort. The 5,200 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.

Distance (km)

Elevation gain (m)

Elevation loss (m)

Same as gain. Edit if different.

Finish time

Hours, or h:mm

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.

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

175 km-effort (ITRA, gain only)201 km-effort

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

Chianti UTCC finish times by UTMB Index

Predicted finish on the Chianti UTCC course (123.0 km, 5,200 m D+) for each UTMB Index, with the margin to the 26h30 cutoff.

Chianti UTCC: predicted finish time by UTMB Index
UTMB Index	Predicted finish	Average pace	Margin to cutoff
850	12h22	6:02 /km9:42 /mi	+14h08
800	13h31	6:35 /km10:36 /mi	+12h59
750	14h46	7:12 /km11:36 /mi	+11h44
700competitive	16h09	7:53 /km12:40 /mi	+10h21
650	17h39	8:37 /km13:51 /mi	+8h51
600	19h17	9:25 /km15:09 /mi	+7h13
550	21h05	10:17 /km16:33 /mi	+5h25
500mid-pack	23h03	11:15 /km18:06 /mi	+3h27
450	25h12	12:17 /km19:47 /mi	+1h18
400back of the pack	27h32	13:26 /km21:37 /mi	1h02 past the cutoff
350	30h06	14:41 /km23:38 /mi	3h36 past the cutoff
300	32h54	16:03 /km25:50 /mi	6h24 past the cutoff

The 26h30 cutoff sits at about Index 422. The typical winning time, 9h59, sits at about Index 970. At the 2026 edition, the median of the 535 finishers took 18h41, about Index 618. A model estimate, not an official ITRA or UTMB figure.

From a result you already have

What the predictor gives on Chianti UTCC for a few common reference results.

Chianti UTCC: predicted finish from reference results
Road marathon	3h00 → 20h18	3h30 → 23h40	4h00 → 27h03	4h30 → 30h26
50 km trail, 2,000 m D+	5h30 → 17h00	6h30 → 20h06	7h30 → 23h10	8h30 → 26h15

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

To prepare each checkpoint, use the Chianti UTCC aid station planner.

Chianti UTCC course in numbers

Climbing per kmClimbing per mile: 42 m223 ft
ITRA km-effort: 175 (100M)
Highest point: 901 m2,956 ft
Biggest climb: +484 m over 5.5 km at 7.1% (up to Monteluco)+1,588 ft over 3.4 mi at 7.1% (up to Monteluco)
Steepest climb: +237 m over 2.2 km at 10.2%+778 ft over 1.4 mi at 10.2%
Longest descent: -659 m over 9.1 km at 5.8% (through Villa San Michele)-2,162 ft over 5.7 mi at 5.8% (through Villa San Michele)
Track climbing above 3%: 37%
Winning time / cutoff: 9h59 / 26h30 (2.7x the winner's time)

Section-by-section climbs, descents and grades are on the Chianti UTCC course page.

Predict your Chianti UTCC finish time from a reference race result, adjusted for the course's 123 km and roughly 5,200 m of elevation gain. The overall cutoff is 26h30.

About Chianti Ultra Trail by UTMB - UTCC 123K

Chianti Ultra Trail by UTMB - UTCC 123K covers 123 km with around 5,200 m of elevation gain, starting in Radda in Chianti, Italy. The overall cutoff is 26 hours 30 minutes.

Crew access is allowed at Castello di Brolio (37.58 km), Monteluco (51.68 km), Cantalici (62.53 km), Gaiole in Chianti (77.8 km), Castello di Albola (100.41 km) and Villa San Michele (108.94 km). Drop bags are available at Gaiole in Chianti.

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 UTCC by the calibrated model behind the ITRA / UTMB Index Estimator. Full methodology.

Build a training plan targeted at your Chianti UTCC goal time

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

Build my plan