Brittany Merritt

Boston

Bib: 65525 F

0:00

0:00

/ mi

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Overall

#0 / 54109

Top 50%

Gender (Female)

#0 / 24561

Top 37%

Division (F35-39)

#0 / 3504

Top 39%

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

10:19/mi

32:03

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

9:38/mi

1:01:58

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

9:26/mi

1:31:16

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

9:24/mi

2:00:27

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

9:37/mi

2:07:01

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

9:23/mi

2:29:47

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

9:34/mi

2:59:30

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

9:32/mi

3:29:06

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

9:42/mi

3:59:13

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

9:19/mi

4:11:55

↑ 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

2:07:019:41 /mi+1.7%

2nd Half

2:04:549:32 /mi✓ faster

Negative split — 1.7% faster 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	32:03	10:19	3.11 mi	32:03	10:19	-
10K	1:01:58	9:58	3.10 mi	29:55	9:38	-0:41
15K	1:31:16	9:48	3.11 mi	29:18	9:26	-0:12
20K	2:00:27	9:42	3.11 mi	29:11	9:24	-0:02
Half(13.11 mi)	2:07:01	9:41	0.68 mi	6:34	9:37	+0:13
25K	2:29:47	9:39	2.42 mi	22:46	9:23	-0:14
30K	2:59:30	9:38	3.11 mi	29:43	9:34	+0:11
35K	3:29:06	9:37	3.11 mi	29:36	9:32	-0:02
40K	3:59:13	9:37	3.10 mi	30:07	9:42	+0:10
Finish(26.22 mi)	4:11:55	9:37	1.37 mi	12:42	9:19	-0:23

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:19 /mi

Average Pace

9:37 /mi

Slowest Pace

10:19 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:39:52

87% of race

Time at Steady Pace

32:03

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:36 /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	F35-39	Seg. Overall	Seg. Females	Seg. F35-39
5K	3.11 mi	38194	14321	2064	31881	10886	1603
10K	3.10 mi	34900+3294	12525+1796	1825+239	32054	11076	1655
15K	3.11 mi	33878+1022	11952+573	1756+69	31881	10886	1603
20K	3.11 mi	32717+1161	11350+602	1677+79	29603	9784	1469
Half(13.11 mi)	0.68 mi	32446+271	11225+125	1665+12	29251	9732	1447
25K	2.42 mi	31509+937	10826+399	1605+60	27682	9067	1358
30K	3.11 mi	30283+1226	10317+509	1542+63	25909	8576	1310
35K	3.11 mi	28772+1511	9736+581	1461+81	22973	7647	1177
40K	3.10 mi	27187+1585	9179+557	1377+84	20495	7090	1109
Finish(26.22 mi)	1.37 mi	26747+440	9055+124	1370+7	20915	7504	1144

7504

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