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HOU, SHI JING

Race 50KM · Bib 5601 · Female · iTRA PI 631
Status
Finished
Total time 6h28m09s
Finished at Sat 27 Jun 13:28:09
Effort today
Current PI: 603
iTRA PI 631 · running at career level (96%)
Aid station schedule
START · 0.0 km ✓
in07:00:00
A1 · 4.9 km · Current PI 631 ✓
Section time 28m11s
Section 4.9 km · +78 / −224 m
expected at07:24 cut-off at08:00
in07:28:11
3 min SLOWER than expected
Section PI 686 — going harder than career
A2 · 14.1 km · Current PI 670 ✓
Section time 1h18m55s
Section 9.2 km · +479 / −547 m
expected at08:45 cut-off at10:50
in08:47:06
1 min SLOWER than expected
Section PI 577 — easing off / mild fade
A3 · 25.3 km · Current PI 593 ✓
Section time 1h47m19s
Section 11.2 km · +713 / −699 m
expected at10:48 cut-off at14:20
in10:34:25
14 min FASTER than expected
Section PI 550 — easing off / mild fade
A4 · 32.3 km · Current PI 574 ✓
Section time 40m06s
Section 7.0 km · +206 / −217 m
expected at11:21 cut-off at16:00
in11:14:31
7 min FASTER than expected
Section PI 740 — way above career, blow-up risk
A5 · 42.5 km · Current PI 707 ✓
Section time 1h07m02s
Section 10.2 km · +267 / −206 m
expected at12:22 cut-off at18:30
in12:21:33
1 min FASTER than expected
Section PI 626 — at career level
W1 · 48.3 km · Current PI 628 ✓
Section time 52m03s
Section 5.8 km · +365 / −63 m
expected at13:17 cut-off at20:30
in13:13:36
3 min FASTER than expected
Section PI 567 — easing off / mild fade
FINISH · 50.6 km · Current PI 586 ✓
Section time 14m33s
Section 2.3 km · +16 / −168 m
expected at13:29 cut-off at21:00
in13:28:09
0 min FASTER than expected
Section PI 609 — at career level
Current PI 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.