Katherine Briggs

Boston, MA

Bib: 16823 F

0:00

0:00

/ mi

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Overall

#0 / 30047

Top 23%

Gender (Female)

#0 / 12338

Top 15%

Division (F25-29)

#0 / 2322

Top 22%

Race Day Weather

42°/32°F

broken clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

27 ft elev

5K· 3.11 mi

9:54/mi

30:46

↑ 279 ft↓ 164 ft0.7% grade

140 ft elev

10K· 6.21 mi

8:59/mi

58:41

↑ 103 ft↓ 217 ft0.7% grade

25 ft elev

15K· 9.32 mi

8:52/mi

1:26:15

↑ 51 ft↓ 55 ft

21 ft elev

21K· 13.05 mi

8:57/mi

1:59:36

↑ 20 ft↓ 37 ft

4 ft elev

25K· 15.53 mi

8:40/mi

2:21:08

↑ 35 ft0.2% grade

30 ft elev

30K· 18.64 mi

8:56/mi

2:48:52

↑ 58 ft↓ 57 ft

30 ft elev

35K· 21.75 mi

9:11/mi

3:17:25

↑ 98 ft↓ 92 ft

36 ft elev

40K· 24.85 mi

9:41/mi

3:47:30

↑ 36 ft↓ 53 ft0.1% grade

18 ft elev

Finish· 26.22 mi

9:54/mi

4:01:00

↑ 80 ft↓ 24 ft0.8% grade

74 ft elev

Course Elevation

3–237 ft

≈

×20story building

•▲ 764 ft climb · ▼ 717 ft descent

The Course

Half Splits

1st Half· via 21K

1:59:369:10 /mi⚡ faster

2nd Half

2:01:249:13 /mi+1.5%

Positive split — 1.5% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	30:46	9:54	3.11 mi	30:46	9:54	-
10K	58:41	9:27	3.10 mi	27:55	8:59	-0:55
15K	1:26:15	9:15	3.11 mi	27:34	8:52	-0:07
21K	1:59:36	9:10	3.73 mi	33:21	8:57	+0:05
25K	2:21:08	9:05	2.48 mi	21:32	8:40	-0:17
30K	2:48:52	9:04	3.11 mi	27:44	8:56	+0:16
35K	3:17:25	9:05	3.11 mi	28:33	9:11	+0:15
40K	3:47:30	9:09	3.10 mi	30:05	9:41	+0:30
Finish(26.22 mi)	4:01:00	9:12	1.37 mi	13:30	9:54	+0:13

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:40 /mi

Average Pace

9:12 /mi

Slowest Pace

9:54 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:46:39

69% of race

Time at Steady Pace

1:14:21

31% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:11 /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	F25-29	Seg. Overall	Seg. Females	Seg. F25-29
5K	3.11 mi	11035	3118	785	8255	2101	547
10K	3.10 mi	10222+813	2788+330	717+68	9408	2469	621
15K	3.11 mi	9571+651	2539+249	649+68	8255	2101	547
21K	3.73 mi	8851+720	2297+242	589+60	7329	1783	466
25K	2.48 mi	8410+441	2166+131	565+24	6714	1650	435
30K	3.11 mi	7655+755	1952+214	511+54	5616	1394	367
35K	3.11 mi	7151+504	1844+108	487+24	5865	1606	437
40K	3.10 mi	6998+153	1879-35	504-17	6601	2102	559
Finish(26.22 mi)	1.37 mi	7025-27	1908-29	508-4	7511	2572	685

2572

Passing Analysis

Category:

▲Net Change

0 passed by0* passed

Segment	Movement	Rank
Start → 5K	-	#11035
5K → 10K	83896*+813	#11035 → #10222
10K → 15K	35686*+651	#10222 → #9571
15K → 21K	25745*+720	#9571 → #8851
21K → 25K	30471*+441	#8851 → #8410
25K → 30K	17772*+755	#8410 → #7655
30K → 35K	72576*+504	#7655 → #7151
35K → 40K	200353*+153	#7151 → #6998
40K → Finish	127100*-27	#6998 → #7025
TOTALS	5894599*+4010	#11035 → #7025

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Visualized

Category:

Passing Circle

Position Flow

Race Lanes

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Results processed 20 days ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

U.S. Marine Corps Community Services (MCCS)

Race timed by

Timing Productions