Bernie Siu

London

Bib: 10434 M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 54109

Top 22%

Gender (Male)

#0 / 29548

Top 31%

Masters (Masters Men)

#0 / 14666

Top 27%

Division (M50-54)

#0 / 2876

Top 26%

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

7:12/mi

22:22

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

7:27/mi

45:31

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

7:14/mi

1:08:00

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

7:25/mi

1:31:04

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

7:36/mi

1:36:15

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

7:36/mi

1:54:40

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

7:46/mi

2:18:49

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

8:46/mi

2:46:02

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

9:49/mi

3:16:33

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

9:30/mi

3:29:30

↑ 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

1:36:157:21 /mi⚡ faster

2nd Half

1:53:158:38 /mi+17.7%

Positive split — 17.7% slower in the second half

AI Race Performance Report

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	22:22	7:12	3.11 mi	22:22	7:12	-
10K	45:31	7:20	3.10 mi	23:09	7:27	+0:15
15K	1:08:00	7:18	3.11 mi	22:29	7:14	-0:13
20K	1:31:04	7:20	3.11 mi	23:04	7:25	+0:11
Half(13.11 mi)	1:36:15	7:21	0.68 mi	5:11	7:36	+0:11
25K	1:54:40	7:23	2.42 mi	18:25	7:36	0:00
30K	2:18:49	7:27	3.11 mi	24:09	7:46	+0:10
35K	2:46:02	7:38	3.11 mi	27:13	8:46	+1:00
40K	3:16:33	7:54	3.10 mi	30:31	9:49	+1:03
Finish(26.22 mi)	3:29:30	8:00	1.37 mi	12:57	9:30	-0:19

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:12 /mi

Average Pace

8:00 /mi

Slowest Pace

9:49 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:18:49

66% of race

Time at Slower Pace

1:10:41

34% of race

Average Pace: 7:59 /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	7891	6736	460	8513	7201	512
10K	3.10 mi	8541-650	7185-449	527-67	9628	7885	611
15K	3.11 mi	8526+15	7182+3	517+10	8513	7201	512
20K	3.11 mi	8589-63	7214-32	515+2	9057	7544	543
Half(13.11 mi)	0.68 mi	8624-35	7233-19	515	9907	8089	622
25K	2.42 mi	8807-183	7357-124	530-15	10281	8294	642
30K	3.11 mi	9059-252	7483-126	550-20	10231	8126	632
35K	3.11 mi	10078-1019	8111-628	635-85	16572	11785	978
40K	3.10 mi	11549-1471	8939-828	723-88	21294	13815	1234
Finish(26.22 mi)	1.37 mi	12132-583	9283-344	754-31	22331	14131	1233

14131

Passing Analysis

No position changes recorded for this athlete.

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All Results

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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