Simon Rees

Boston

Bib: 45213 M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 54109

Top 42%

Gender (Male)

#0 / 29548

Masters (Masters Men)

#0 / 14666

Top 48%

Division (M40-44)

#0 / 4329

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

9:18/mi

28:53

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

9:41/mi

58:58

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

8:57/mi

1:26:45

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

9:02/mi

1:54:50

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

9:48/mi

2:01:31

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

9:03/mi

2:23:27

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

8:54/mi

2:51:07

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

8:39/mi

3:17:58

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

9:14/mi

3:46:39

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

9:14/mi

3:59:14

↑ 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

2:01:319:16 /mi+3.1%

2nd Half

1:57:438:59 /mi✓ faster

Negative split — 3.1% faster in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	28:53	9:18	3.11 mi	28:53	9:18	-
10K	58:58	9:29	3.10 mi	30:05	9:41	+0:23
15K	1:26:45	9:18	3.11 mi	27:47	8:57	-0:44
20K	1:54:50	9:14	3.11 mi	28:05	9:02	+0:05
Half(13.11 mi)	2:01:31	9:16	0.68 mi	6:41	9:48	+0:46
25K	2:23:27	9:14	2.42 mi	21:56	9:03	-0:45
30K	2:51:07	9:11	3.11 mi	27:40	8:54	-0:09
35K	3:17:58	9:06	3.11 mi	26:51	8:39	-0:15
40K	3:46:39	9:07	3.10 mi	28:41	9:14	+0:35
Finish(26.22 mi)	3:59:14	9:08	1.37 mi	12:35	9:14	0:00

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:39 /mi

Average Pace

9:08 /mi

Slowest Pace

9:48 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:22:28

85% of race

Time at Steady Pace

36:46

15% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:07 /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	M40-44	Seg. Overall	Seg. Males	Seg. M40-44
5K	3.11 mi	28983	19423	2994	26865	18436	2821
10K	3.10 mi	30812-1829	20357-934	3107-113	32476	21174	3226
15K	3.11 mi	29573+1239	19791+566	3026+81	26865	18436	2821
20K	3.11 mi	28664+909	19317+474	2957+69	25890	17856	2743
Half(13.11 mi)	0.68 mi	28785-121	19386-69	2960-3	30505	20076	3031
25K	2.42 mi	27927+858	18886+500	2896+64	24432	16858	2579
30K	3.11 mi	26281+1646	17897+989	2760+136	20151	14227	2192
35K	3.11 mi	24208+2073	16609+1288	2556+204	15568	11220	1742
40K	3.10 mi	22928+1280	15688+921	2415+141	17177	11633	1790
Finish(26.22 mi)	1.37 mi	22832+96	15591+97	2407+8	20174	13040	2003

13040

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