Regina Jackson

Chelmsford, MA

Bib: 20664 F

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 15907

Gender (Female)

#0 / 5973

Masters (Masters Women)

#0 / 2230

Division (F65-69)

#0 / 53

Race Day Weather

43°/33°F

overcast clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

27 ft elev

5K· 3.11 mi

13:25/mi

41:41

↑ 279 ft↓ 164 ft0.7% grade

140 ft elev

10K· 6.21 mi

12:16/mi

1:19:49

↑ 103 ft↓ 217 ft0.7% grade

25 ft elev

15K· 9.32 mi

13:11/mi

2:00:48

↑ 51 ft↓ 55 ft

21 ft elev

21K· 13.05 mi

15:52/mi

2:59:57

↑ 20 ft↓ 37 ft

4 ft elev

25K· 15.53 mi

15:09/mi

3:37:37

↑ 35 ft0.2% grade

30 ft elev

30K· 18.64 mi

17:36/mi

4:32:17

↑ 58 ft↓ 57 ft

30 ft elev

35K· 21.75 mi

17:47/mi

5:27:33

↑ 98 ft↓ 92 ft

36 ft elev

40K· 24.85 mi

17:48/mi

6:22:50

↑ 36 ft↓ 53 ft0.1% grade

18 ft elev

Finish· 26.22 mi

17:18/mi

6:46:26

↑ 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

2:59:5713:47 /mi⚡ faster

2nd Half

3:46:2917:12 /mi+25.9%

Positive split — 25.9% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	41:41	13:25	3.11 mi	41:41	13:25	-
10K	1:19:49	12:51	3.10 mi	38:08	12:16	-1:09
15K	2:00:48	12:58	3.11 mi	40:59	13:11	+0:55
21K	2:59:57	13:47	3.73 mi	59:09	15:52	+2:41
25K	3:37:37	14:01	2.48 mi	37:40	15:09	-0:43
30K	4:32:17	14:36	3.11 mi	54:40	17:36	+2:27
35K	5:27:33	15:04	3.11 mi	55:16	17:47	+0:11
40K	6:22:50	15:24	3.10 mi	55:17	17:48	+0:01
Finish(26.22 mi)	6:46:26	15:31	1.37 mi	23:36	17:18	-0:30

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

12:16 /mi

Average Pace

15:31 /mi

Slowest Pace

17:48 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:00:48

30% of race

Time at Steady Pace

1:36:49

24% of race

Time at Slower Pace

3:08:49

46% of race

Average Pace: 15:30 /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	F65-69	Seg. Overall	Seg. Females	Seg. F65-69
5K	3.11 mi	15731	5812	45	15314	5603	41
10K	3.10 mi	15536+195	5713+99	43+2	15214	5540	39
15K	3.11 mi	15481+55	5688+25	42+1	15314	5603	41
21K	3.73 mi	15759-278	5855-167	46-4	15976	5991	53
25K	2.48 mi	15755+4	5862-7	47-1	15624	5872	50
30K	3.11 mi	15806-51	5909-47	49-2	15832	5955	53
35K	3.11 mi	15831-25	5940-31	51-2	15772	5940	53
40K	3.10 mi	15822+9	5940	51	15518	5838	51
Finish(26.22 mi)	1.37 mi	15803+19	5933+7	51	15335	5763	49

5763

Passing Analysis

Category:

▼Net Change

0 passed by0* passed

Segment	Movement	Rank
Start → 5K	-	#15731
5K → 10K	32227*+195	#15731 → #15536
10K → 15K	47102*+55	#15536 → #15481
15K → 21K	31941*-278	#15481 → #15759
21K → 25K	4145*+4	#15759 → #15755
25K → 30K	11968*-51	#15755 → #15806
30K → 35K	5530*-25	#15806 → #15831
35K → 40K	2332*+9	#15831 → #15822
40K → Finish	120*+19	#15822 → #15803
TOTALS	637565*-72	#15731 → #15803

* 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 23 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