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Istria 100 - 42K, segment by segment

Your rank over 4 segments, vs runners at your level — 682 starters measured on the 2026 edition.

Istria 100 - 42K, 42 km — the course whose 4 segments this page analyzes

Where did you stand?

Your bib or name is enough. Free, no account, no payment.

Free, no account. Your bib only helps us find your times, nothing else.

How to read this page

“Ahead of 62% of runners”
On this segment, 62 runners out of 100 at your level took longer than you. Statisticians call this the 62nd percentile; same thing. 100 = fastest, 0 = slowest.
“Your level”
The 60 runners whose UTMB Index is closest to yours, in the same edition. Not the winner, not the field average: people who run like you do. The index ranges from around 300 to 1,000.
“The median”
The time that splits the field in half: half did better, half did worse. On Buje, it's 55 min. Sturdier than an average, which a single very slow runner is enough to shift.
“The central half”
The shaded zone on the graph: between the fastest quarter and the slowest quarter. Half your group sits there. Staying in it from start to finish means you held your rank.
“The trend”
The solid line. Your rank bounces around segment to segment—a bathroom stop moves it. The trend smooths these jitters to show the real drift. The gray dots are your actual ranks, unretouched.
“A segment”
The section between two timing checkpoints. This race has 4, wildly different lengths—that's why the graph spaces them evenly instead of by kilometer.

Where runners drop out on Istria 100 - 42K

29 of 682 starters didn't reach the finish, that's 4.3%. The median drop-out point is at km 27.39.

DNF count per checkpoint
CheckpointkmDNFs
Buje27.3916
Groznjan20.5511
Livade5.142

Real times, segment by segment

Durations measured on starters from the 2026 edition, indices 259 to 920, median 442. The central half of the field runs from 25th to 75th percentile.

Duration of each segment: median and central half of the field
SegmentkmMedianCentral halfMeasured
Motovun → Livade5.1435 min30 min – 38 min682
Livade → Groznjan15.412 h 202 h 02 – 2 h 39680
Groznjan → Buje6.8455 min47 min – 1 h 05668
Buje → Umag14.81 h 531 h 39 – 2 h 08652

Questions about Istria 100 - 42K

How many runners DNF on Istria 100 - 42K?

29 of 682 starters didn’t reach the finish in the 2026 edition, i.e. 4.3%. Split times were recorded bib by bib from the official timing, which only publishes finishers. RAVIT survey of September 22, 2026.

Where do runners DNF on Istria 100 - 42K?

Km 27.39: Buje accounts for 16 of 29 DNFs in the 2026 edition. Then Groznjan (11) and Livade (2); together, 29 DNFs. The last recorded checkpoint is definitive. Log from September 22, 2026.

What's the longest segment on Istria 100 - 42K?

2 h 20 median: time from Livade to Groznjan, over 15.41 km, measured on 680 runners in the 2026 edition. The middle half of the field ran between 2 h 02 and 2 h 39. Log from September 22, 2026.

What's my time compared to on this page?

To 60 runners closest to your index, in a max 25-point index window, on the edition you pick. On each segment, the reference is runners who reached that checkpoint. DNFs count as long as they were racing.

Does this page compare my race to a prediction?

No, not here. This page compares your rank to that of real runners, segment by segment, with no predictions. Your gap to your own plan is shown in your plan debrief: on the Pacing screen, once your race is done.

Data from this page

Measurements for each edition are downloadable in CSV: one line per segment, with median, quartiles, number of runners measured and DNFs per checkpoint. Comma separator, point decimal, UTF-8 encoding. Reuse conditions for this data

Other races analyzed

Prepare for Istria 100 - 42K: profile, aid stations and cut-off timesEvery race analyzed segment by segmentView all trail races in calendar

Where these numbers come from. Split times are logged checkpoint by checkpoint from the official race timing, then recalculated by segment. DNFs are reconstructed bib by bib; official results only publish finishers. Analysis by RAVIT — ravit.live, data from September 22, 2026.