Jianzhen Tang

Shanghai

Bib: 48757 F

Masters

0:00

0:00

/ mi

Masters

Be the first to cheer!

Overall

#0 / 54109

Gender (Female)

#0 / 24561

Top 38%

Masters (Masters Women)

#0 / 9409

Top 35%

Division (F50-54)

#0 / 1771

Top 32%

Race Day Weather

54°/44°F

few clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

600 ft elev

5K· 3.11 mi

9:08/mi

28:23

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

8:52/mi

55:57

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

8:39/mi

1:22:48

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

8:58/mi

1:50:38

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

8:59/mi

1:56:46

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

9:00/mi

2:18:35

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

9:27/mi

2:47:58

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

10:07/mi

3:19:24

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

12:37/mi

3:58:36

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

10:51/mi

4:13:24

↑ 23 ft↓ 20 ft

606 ft elev

Course Elevation

227ft

Total climb

32ft

Range

589 to 621 ft

221ft

Total descent

About the height of a three-story building

The Course

Half Splits

1st Half· via Half

1:56:468:54 /mi⚡ faster

2nd Half

2:16:3810:25 /mi+17.0%

Positive split — 17.0% slower in the second half

AI Race Performance Report

Jianzhen's race, broken down like a coach

The full Race Story, performance analysis, segment & passing breakdowns, and where the race turned. Free to unlock — for anyone.

Free account · no payment

Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	28:23	9:08	3.11 mi	28:23	9:08	-
10K	55:57	9:00	3.10 mi	27:34	8:52	-0:16
15K	1:22:48	8:53	3.11 mi	26:51	8:39	-0:13
20K	1:50:38	8:54	3.11 mi	27:50	8:58	+0:19
Half(13.11 mi)	1:56:46	8:54	0.68 mi	6:08	8:59	+0:01
25K	2:18:35	8:55	2.42 mi	21:49	9:00	+0:01
30K	2:47:58	9:01	3.11 mi	29:23	9:27	+0:27
35K	3:19:24	9:10	3.11 mi	31:26	10:07	+0:40
40K	3:58:36	9:36	3.10 mi	39:12	12:37	+2:30
Finish(26.22 mi)	4:13:24	9:40	1.37 mi	14:48	10:51	-1:46

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:39 /mi

Average Pace

9:40 /mi

Slowest Pace

12:37 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:47:58

66% of race

Time at Slower Pace

1:25:26

34% of race

Average Pace: 9:40 /mi

Loading chart...

Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

Heatmap

0mi6.6mi13.1mi19.7mi26.2mi

Pace:

Faster

Steady

Slower

Checkpoint and Segment Rankings

Checkpoint	Seg. Dist	Overall	Females	F50-54	Seg. Overall	Seg. Females	Seg. F50-54
5K	3.11 mi	27260	8748	560	23159	6804	405
10K	3.10 mi	25443+1817	7905+843	507+53	23910	7207	450
15K	3.11 mi	24536+907	7451+454	462+45	23159	6804	405
20K	3.11 mi	24556-20	7454-3	458+4	24935	7622	449
Half(13.11 mi)	0.68 mi	24418+138	7398+56	454+4	23470	7085	409
25K	2.42 mi	24268+150	7375+23	443+11	23993	7395	435
30K	3.11 mi	24345-77	7518-143	439+4	25143	8205	475
35K	3.11 mi	24982-637	7959-441	467-28	26930	9541	582
40K	3.10 mi	27004-2022	9095-1136	554-87	37409	15828	1044
Finish(26.22 mi)	1.37 mi	27197-193	9263-168	566-12	33027	13672	840

13672

Passing Analysis

No position changes recorded for this athlete.

More below

See the rest of Jianzhen's race

Checkpoint splits, rankings, passing analysis and qualifying. One free sign-in reveals them here — and on every race you look up.

All Results

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Chicago Event Management

Race timed by

Mika Timing