Eileen O'Connor

West Roxbury

Bib: 15884 F

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 54109

Top 25%

Gender (Female)

#0 / 24561

Top 14%

Masters (Masters Women)

#0 / 9409

Top 10%

Division (F55-59)

#0 / 1120

Top 3%

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

8:06/mi

25:11

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

7:53/mi

49:41

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

7:43/mi

1:13:41

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

8:01/mi

1:38:35

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

8:10/mi

1:44:09

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

7:58/mi

2:03:27

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

8:03/mi

2:28:28

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

8:30/mi

2:54:54

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

8:39/mi

3:21:47

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

8:58/mi

3:34:01

↑ 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

1:44:097:57 /mi⚡ faster

2nd Half

1:49:528:23 /mi+5.5%

Positive split — 5.5% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	25:11	8:06	3.11 mi	25:11	8:06	-
10K	49:41	8:00	3.10 mi	24:30	7:53	-0:13
15K	1:13:41	7:54	3.11 mi	24:00	7:43	-0:10
20K	1:38:35	7:56	3.11 mi	24:54	8:01	+0:18
Half(13.11 mi)	1:44:09	7:57	0.68 mi	5:34	8:10	+0:09
25K	2:03:27	7:57	2.42 mi	19:18	7:58	-0:12
30K	2:28:28	7:58	3.11 mi	25:01	8:03	+0:05
35K	2:54:54	8:03	3.11 mi	26:26	8:30	+0:27
40K	3:21:47	8:07	3.10 mi	26:53	8:39	+0:09
Finish(26.22 mi)	3:34:01	8:10	1.37 mi	12:14	8:58	+0:19

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:43 /mi

Average Pace

8:10 /mi

Slowest Pace

8:58 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:28:28

69% of race

Time at Steady Pace

1:05:33

31% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:10 /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	F55-59	Seg. Overall	Seg. Females	Seg. F55-59
5K	3.11 mi	16084	4069	56	13252	2954	23
10K	3.10 mi	14831+1253	3613+456	39+17	13765	3221	32
15K	3.11 mi	14216+615	3372+241	32+7	13252	2954	23
20K	3.11 mi	14343-127	3405-33	32	15009	3587	39
Half(13.11 mi)	0.68 mi	14369-26	3414-9	31+1	15191	3667	42
25K	2.42 mi	14226+143	3356+58	31	13697	3187	33
30K	3.11 mi	13838+388	3245+111	31	12713	2961	33
35K	3.11 mi	13827+11	3297-52	35-4	14467	3909	54
40K	3.10 mi	13442+385	3261+36	34+1	12733	3635	59
Finish(26.22 mi)	1.37 mi	13586-144	3367-106	35-1	17954	6098	129

6098

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