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ZHOU, ZHIZHONG

Race i6 · Bib 7606 · Male · iTRA PI 512
Status
Withdrawn
Last seen at HQ_IN_5
On course for 21h11m16s before withdrawal.
Effort today
Current Performance Index: 731
iTRA PI 512 · running 43% above career level — PB pace
Aid station schedule
START · 0.0 km ✓
out04:03:00
HQ_IN_1 · 10.0 km · Current PI 512 ✓
Section time 1h43m37s
Section 10.0 km · +1116 / −123 m
cut-off at07:10
in05:46:37out05:48:02
14 min FASTER than expected
Dwell 1 minute.
Section PI 781 — way above career, blow-up risk
A1_IN · 20.3 km · Current PI 700 ✓
Section time 1h23m15s
Section 10.3 km · +323 / −1312 m
cut-off at09:30
in07:11:17out07:13:52
8 min SLOWER than expected
Dwell 3 minutes.
Section PI 722 — way above career, blow-up risk
HQ_IN_2 · 31.2 km · Current PI 659 ✓
Section time 1h45m49s
Section 10.9 km · +1193 / −203 m
cut-off at13:00
in08:59:41out09:05:46
15 min FASTER than expected
Dwell 6 minutes.
Section PI 827 — way above career, blow-up risk
W1 · 41.1 km · Current PI 733 ✓
Section time 1h22m56s
Section 9.9 km · +624 / −684 m
cut-off at15:20
in10:28:42
2 min FASTER than expected
Section PI 797 — way above career, blow-up risk
A2_IN · 48.1 km · Current PI 711 ✓
Section time 1h00m42s
Section 7.0 km · +302 / −511 m
cut-off at17:00
in11:29:24out11:36:54
2 min FASTER than expected
Dwell 8 minutes.
Section PI 695 — way above career, blow-up risk
W2_IN_1 · 59.0 km · Current PI 640 ✓
Section time 1h45m33s
Section 10.9 km · +720 / −509 m
cut-off at19:40
in13:22:27out13:26:07
0 min FASTER than expected
Dwell 4 minutes.
Section PI 690 — way above career, blow-up risk
HQ_IN_3 · 70.5 km · Current PI 636 ✓
Section time 1h59m10s
Section 11.6 km · +762 / −704 m
cut-off at22:40
in15:25:17out15:55:09
7 min FASTER than expected
Dwell 30 minutes.
Section PI 654 — way above career, blow-up risk
HK · 76.7 km · Current PI 612 ✓
Section time 1h05m11s
Section 6.2 km · +19 / −901 m
cut-off at00:10
in17:00:20
1 min FASTER than expected
Section PI 474 — at career level
A3_IN · 80.3 km · Current PI 485 ✓
Section time 40m51s
Section 3.6 km · +288 / −61 m
cut-off at01:15
in17:41:11out17:49:59
3 min FASTER than expected
Dwell 9 minutes.
Section PI 617 — way above career, blow-up risk
HQ_IN_4 · 87.8 km · Current PI 586 ✓
Section time 2h23m27s
Section 7.5 km · +930 / −277 m
cut-off at04:00
in20:13:26out21:24:57
18 min SLOWER than expected
Dwell 72 minutes.
Section PI 450 — easing off / mild fade
W2_IN_2 · 99.1 km
Section 11.3 km · +701 / −759 m
cut-off at06:50
A4_IN · 107.8 km
Section 8.7 km · +196 / −1132 m
cut-off at09:10
W2_IN_3 · 116.5 km
Section 8.7 km · +1132 / −196 m
cut-off at12:40
HQ_IN_5 · 128.1 km · Current PI 468 ✓
Section time 5h00m50s
Section 40.3 km · +2792 / −2791 m
cut-off at15:50
in01:14:16
Section PI 923 — way above career, blow-up risk
FINISH · 139.7 km
Section 11.7 km · +147 / −1139 m
cut-off at18:00
Current PI (Performance Index) blends how the runner is going right now with their career score: about 70% their most recent section and 30% their career iTRA PI. It updates every section and is the level we use to predict the next one. (Before the first section it's just the career iTRA PI; a runner with no career PI uses their latest section alone.)

Section PI is what that one section implies on its own — that single leg's pace against the reference, ignoring the rest of the race.

Read either against the runner's career iTRA PI: a higher number means they ran harder than their score predicts; lower means slower (tired, or pacing on purpose).

Expected at is our predicted arrival at the next aid station: its terrain-adjusted (“equivalent”) distance run at the Current PI's pace, plus a small allowance for fade because runners slow over a long day. It refreshes each time a section finishes.