Zhifeng Liu

San Diego

Bib: 17320 M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 54109

Top 13%

Gender (Male)

#0 / 29548

Top 20%

Masters (Masters Men)

#0 / 14666

Top 15%

Division (M50-54)

#0 / 2876

Top 13%

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

7:24/mi

23:00

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

7:25/mi

46:02

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

7:13/mi

1:08:26

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

7:20/mi

1:31:13

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

7:27/mi

1:36:18

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

7:23/mi

1:54:12

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

7:26/mi

2:17:18

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

7:31/mi

2:40:40

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

7:34/mi

3:04:11

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

7:19/mi

3:14:10

↑ 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

1:36:187:21 /mi⚡ faster

2nd Half

1:37:527:28 /mi+1.6%

Positive split — 1.6% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	23:00	7:24	3.11 mi	23:00	7:24	-
10K	46:02	7:25	3.10 mi	23:02	7:25	+0:01
15K	1:08:26	7:21	3.11 mi	22:24	7:13	-0:12
20K	1:31:13	7:20	3.11 mi	22:47	7:20	+0:07
Half(13.11 mi)	1:36:18	7:21	0.68 mi	5:05	7:27	+0:07
25K	1:54:12	7:21	2.42 mi	17:54	7:23	-0:04
30K	2:17:18	7:22	3.11 mi	23:06	7:26	+0:03
35K	2:40:40	7:23	3.11 mi	23:22	7:31	+0:05
40K	3:04:11	7:25	3.10 mi	23:31	7:34	+0:03
Finish(26.22 mi)	3:14:10	7:25	1.37 mi	9:59	7:19	-0:15

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:13 /mi

Average Pace

7:25 /mi

Slowest Pace

7:34 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:14:10

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:24 /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	Males	M50-54	Seg. Overall	Seg. Males	Seg. M50-54
5K	3.11 mi	9324	7714	602	8247	7008	486
10K	3.10 mi	9270+54	7677+37	590+12	9209	7615	578
15K	3.11 mi	8857+413	7407+270	555+35	8247	7008	486
20K	3.11 mi	8669+188	7273+134	521+34	8314	7027	475
Half(13.11 mi)	0.68 mi	8644+25	7249+24	518+3	8522	7125	491
25K	2.42 mi	8557+87	7189+60	510+8	8428	7039	475
30K	3.11 mi	8265+292	6949+240	476+34	7495	6275	388
35K	3.11 mi	7902+363	6641+308	450+26	6844	5676	345
40K	3.10 mi	7369+533	6164+477	401+49	5779	4722	280
Finish(26.22 mi)	1.37 mi	7164+205	5979+185	374+27	5402	4371	221

4371

Passing Analysis

No position changes recorded for this athlete.

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Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Chicago Event Management

Race timed by

Mika Timing