Mark Janson-Smith

LONDON

Bib: 31162 M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 54109

Top 38%

Gender (Male)

#0 / 29548

Top 48%

Masters (Masters Men)

#0 / 14666

Top 44%

Division (M45-49)

#0 / 3637

Top 49%

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

8:31/mi

26:27

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

8:33/mi

53:00

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

8:28/mi

1:19:19

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

8:31/mi

1:45:46

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

8:37/mi

1:51:39

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

8:31/mi

2:12:19

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

9:08/mi

2:40:41

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

9:20/mi

3:09:41

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

10:05/mi

3:41:00

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

9:22/mi

3:53:46

↑ 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

1:51:398:31 /mi⚡ faster

2nd Half

2:02:079:19 /mi+9.4%

Positive split — 9.4% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	26:27	8:31	3.11 mi	26:27	8:31	-
10K	53:00	8:32	3.10 mi	26:33	8:33	+0:02
15K	1:19:19	8:31	3.11 mi	26:19	8:28	-0:05
20K	1:45:46	8:31	3.11 mi	26:27	8:31	+0:03
Half(13.11 mi)	1:51:39	8:31	0.68 mi	5:53	8:37	+0:06
25K	2:12:19	8:31	2.42 mi	20:40	8:31	-0:06
30K	2:40:41	8:37	3.11 mi	28:22	9:08	+0:37
35K	3:09:41	8:43	3.11 mi	29:00	9:20	+0:12
40K	3:41:00	8:53	3.10 mi	31:19	10:05	+0:45
Finish(26.22 mi)	3:53:46	8:55	1.37 mi	12:46	9:22	-0:43

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:28 /mi

Average Pace

8:55 /mi

Slowest Pace

10:05 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:40:41

69% of race

Time at Steady Pace

41:46

18% of race

Time at Slower Pace

31:19

13% of race

Average Pace: 8:55 /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	M45-49	Seg. Overall	Seg. Males	Seg. M45-49
5K	3.11 mi	19863	14347	1836	21175	15199	1884
10K	3.10 mi	20086-223	14455-108	1824+12	20391	14645	1824
15K	3.11 mi	20417-331	14689-234	1845-21	21175	15199	1884
20K	3.11 mi	20236+181	14591+98	1826+19	19943	14412	1780
Half(13.11 mi)	0.68 mi	20161+75	14542+49	1816+10	19477	14118	1749
25K	2.42 mi	19893+268	14358+184	1784+32	19062	13811	1709
30K	3.11 mi	20155-262	14447-89	1791-7	22336	15429	1904
35K	3.11 mi	20231-76	14396+51	1790+1	21527	14559	1792
40K	3.10 mi	20582-351	14424-28	1796-6	22884	14642	1822
Finish(26.22 mi)	1.37 mi	20540+42	14322+102	1785+11	21284	13599	1681

13599

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