Jennifer Johnson

Concord, MA

Bib: 19473 F 52

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 61036

Top 13%

Gender (Female)

#0 / 28901

Top 6%

Masters (Masters Women)

#0 / 10324

Top 5%

Division (W50-54)

#0 / 2116

Top 4%

Race Day Weather

50°/40°F

clear sky

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Mile 1 · 259 ft

Mile 2 · 64 ft

Start

0:00

Race begins

118 ft elev

7:22/mi

22:07

↑ 182 ft↓ 221 ft0.2% grade

79 ft elev

5K· 3.11 mi

6:52/mi

22:51

→ flat

76 ft elev

7:29/mi

29:32

↑ 23 ft↓ 16 ft0.1% grade

84 ft elev

7:17/mi

36:49

↑ 13 ft↓ 30 ft0.3% grade

70 ft elev

7:17/mi

44:06

↑ 16 ft↓ 36 ft0.4% grade

47 ft elev

10K· 6.21 mi

7:48/mi

45:46

→ flat0.6% grade

58 ft elev

7:15/mi

51:28

↓ 30 ft0.6% grade

33 ft elev

7:41/mi

59:09

↑ 30 ft0.4% grade

54 ft elev

7:48/mi

1:06:57

↑ 61 ft↓ 33 ft0.5% grade

81 ft elev

15K· 9.32 mi

7:14/mi

1:09:16

↓ 13 ft0.8% grade

66 ft elev

10M

7:28/mi

1:14:20

↓ 36 ft0.9% grade

33 ft elev

11M

7:58/mi

1:22:18

↑ 43 ft0.7% grade

72 ft elev

12M

7:40/mi

1:29:58

↓ 46 ft0.8% grade

33 ft elev

20K· 12.43 mi

8:07/mi

1:33:26

↑ 16 ft0.7% grade

54 ft elev

13M

9:40/mi

1:38:58

↓ 26 ft0.8% grade

36 ft elev

Half· 13.11 mi

9:33/mi

1:40:01

→ flat0.5% grade

49 ft elev

14M

7:45/mi

1:46:55

↑ 23 ft↓ 39 ft0.3% grade

36 ft elev

15M

8:33/mi

1:55:28

↑ 62 ft1.1% grade

93 ft elev

25K· 15.53 mi

8:59/mi

2:00:16

↑ 68 ft2.4% grade

169 ft elev

16M

7:28/mi

2:03:45

↓ 45 ft1.7% grade

125 ft elev

17M

8:02/mi

2:11:47

↑ 10 ft↓ 59 ft0.9% grade

59 ft elev

18M

8:05/mi

2:19:52

↑ 30 ft↓ 49 ft0.4% grade

39 ft elev

30K· 18.64 mi

8:10/mi

2:25:06

→ flat

41 ft elev

19M

8:10/mi

2:28:02

→ flat0.2% grade

39 ft elev

20M

8:34/mi

2:36:36

↑ 43 ft0.7% grade

72 ft elev

21M

9:37/mi

2:46:13

↑ 20 ft↓ 39 ft0.4% grade

53 ft elev

35K· 21.75 mi

8:31/mi

2:52:35

↑ 20 ft↓ 23 ft

52 ft elev

22M

8:47/mi

2:54:48

→ flat0.2% grade

51 ft elev

23M

8:41/mi

3:03:29

↓ 10 ft0.1% grade

46 ft elev

24M

9:28/mi

3:12:57

↑ 92 ft1.7% grade

138 ft elev

40K· 24.85 mi

8:59/mi

3:20:38

↑ 13 ft↓ 62 ft1.1% grade

93 ft elev

25M

8:56/mi

3:21:56

↑ 10 ft1.3% grade

111 ft elev

26M

9:07/mi

3:31:03

↑ 39 ft↓ 39 ft

112 ft elev

Finish· 26.22 mi

9:18/mi

3:33:05

↓ 10 ft0.9% grade

102 ft elev

Course Elevation

926ft

Total climb

232ft

Range

30 to 262 ft

943ft

Total descent

About the height of two Statues of Liberty

The Course

Half Splits

1st Half· via Half

1:40:017:38 /mi⚡ faster

2nd Half

1:53:048:38 /mi+13.0%

Positive split — 13.0% slower in the second half

AI Race Performance Report

Jennifer's race, broken down like a coach

The full Race Story, performance analysis, segment & passing breakdowns, and where the race turned. Free to unlock — for anyone.

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
3M	22:07	7:22	3.00 mi	22:07	7:22	-
5K	22:51	7:21	0.11 mi	0:44	6:52	-0:30
4M	29:32	7:23	0.89 mi	6:41	7:29	+0:37
5M	36:49	7:22	1.00 mi	7:17	7:17	-0:12
6M	44:06	7:21	1.00 mi	7:17	7:17	0:00
10K	45:46	7:22	0.21 mi	1:40	7:48	+0:31
7M	51:28	7:21	0.79 mi	5:42	7:15	-0:33
8M	59:09	7:24	1.00 mi	7:41	7:41	+0:26
9M	1:06:57	7:26	1.00 mi	7:48	7:48	+0:07
15K	1:09:16	7:26	0.32 mi	2:19	7:14	-0:34
10M	1:14:20	7:26	0.68 mi	5:04	7:28	+0:14
11M	1:22:18	7:29	1.00 mi	7:58	7:58	+0:30
12M	1:29:58	7:30	1.00 mi	7:40	7:40	-0:18
20K	1:33:26	7:31	0.43 mi	3:28	8:07	+0:27
13M	1:38:58	7:37	0.57 mi	5:32	9:40	+1:33
Half(13.11 mi)	1:40:01	7:38	0.11 mi	1:03	9:33	-0:07
14M	1:46:55	7:38	0.89 mi	6:54	7:45	-1:48
15M	1:55:28	7:42	1.00 mi	8:33	8:33	+0:48
25K	2:00:16	7:45	0.53 mi	4:48	8:59	+0:26
16M	2:03:45	7:44	0.47 mi	3:29	7:28	-1:31
17M	2:11:47	7:45	1.00 mi	8:02	8:02	+0:34
18M	2:19:52	7:46	1.00 mi	8:05	8:05	+0:03
30K	2:25:06	7:47	0.64 mi	5:14	8:10	+0:05
19M	2:28:02	7:47	0.36 mi	2:56	8:10	0:00
20M	2:36:36	7:50	1.00 mi	8:34	8:34	+0:24
21M	2:46:13	7:55	1.00 mi	9:37	9:37	+1:03
35K	2:52:35	7:56	0.75 mi	6:22	8:31	-1:06
22M	2:54:48	7:57	0.25 mi	2:13	8:47	+0:16
23M	3:03:29	7:59	1.00 mi	8:41	8:41	-0:06
24M	3:12:57	8:02	1.00 mi	9:28	9:28	+0:47
40K	3:20:38	8:04	0.85 mi	7:41	8:59	-0:29
25M	3:21:56	8:05	0.15 mi	1:18	8:56	-0:03
26M	3:31:03	8:07	1.00 mi	9:07	9:07	+0:11
Finish(26.22 mi)	3:33:05	8:08	0.22 mi	2:02	9:18	+0:11

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:52 /mi

Average Pace

8:08 /mi

Slowest Pace

9:40 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:16:01

36% of race

Time at Steady Pace

52:05

24% of race

Time at Slower Pace

1:24:59

40% of race

Average Pace: 8:08 /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	W50-54	Seg. Overall	Seg. Females	Seg. W50-54
3M	3.00 mi	4808	697	25	25036	8088	465
5K	0.11 mi	4686+122	670+27	22+3	2560	245	5
4M	0.89 mi	4958-272	734-64	28-6	6095	964	45
5M	1.00 mi	4990-32	729+5	28	5215	774	39
6M	1.00 mi	4958+32	723+6	29-1	4887	678	29
10K	0.21 mi	5033-75	735-12	29	7744	1395	75
7M	0.79 mi	5042-9	729+6	29	5337	770	39
8M	1.00 mi	5279-237	781-52	36-7	7111	1189	56
9M	1.00 mi	5520-241	831-50	39-3	7466	1317	66
15K	0.32 mi	5487+33	823+8	38+1	4777	662	30
10M	0.68 mi	5503-16	828-5	38	5994	946	40
11M	1.00 mi	5734-231	885-57	42-4	8507	1625	83
12M	1.00 mi	5852-118	911-26	42	6775	1180	53
20K	0.43 mi	5949-97	928-17	43-1	9880	2015	109
13M	0.57 mi	6520-571	1064-136	47-4	25036	8088	465
Half(13.11 mi)	0.11 mi	6617-97	1097-33	49-2	25115	8191	499
14M	0.89 mi	6611+6	1106-9	49	6996	1289	56
15M	1.00 mi	6811-200	1172-66	53-4	10677	2392	121
25K	0.53 mi	6934-123	1210-38	55-2	12484	3085	167
16M	0.47 mi	6878+56	1196+14	56-1	5480	936	46
17M	1.00 mi	6936-58	1229-33	59-3	8498	1777	92
18M	1.00 mi	6980-44	1250-21	60-1	8884	1934	96
30K	0.64 mi	6982-2	1257-7	57+3	8452	1886	89
19M	0.36 mi	7005-23	1268-11	57	9066	2095	111
20M	1.00 mi	7068-63	1313-45	62-5	9463	2326	125
21M	1.00 mi	7520-452	1463-150	72-10	17985	5957	338
35K	0.75 mi	7536-16	1478-15	73-1	8888	2258	121
22M	0.25 mi	7554-18	1484-6	75-2	9318	2405	128
23M	1.00 mi	7636-82	1524-40	77-2	9619	2618	142
24M	1.00 mi	7863-227	1609-85	85-8	13207	4249	222
40K	0.85 mi	7938-75	1655-46	90-5	11868	3813	190
25M	0.15 mi	7952-14	1666-11	90	12175	3838	189
26M	1.00 mi	8109-157	1732-66	91-1	15056	5296	264
Finish(26.22 mi)	0.22 mi	8171-62	1753-21	91	23585	9409	434

Segment Performance Analysis

20K→13M

0.0 - 3.0 mi

Top 41%

118 ft79 ft

↑ 182ft↓ 221ft

194 ft

Overall

25036

Females

8088

12.0 - 12.4 mi

Top 16%

33 ft49 ft

↑ 16ft↓ 0ft

16 ft

Overall

9880

Females

2015

W50-54

109

20K→13M

12.4 - 13.0 mi

Top 41%

56 ft33 ft

↑ 3ft↓ 26ft

26 ft

Overall

25036

Females

8088

W50-54

465

13M→Half

13.0 - 13.1 mi

Top 41%

36 ft39 ft

↑ 3ft↓ 0ft

3 ft

Overall

25115

Females

8191

W50-54

499

15.5 - 16.0 mi

Top 9%

171 ft128 ft

↑ 3ft↓ 45ft

43 ft

Overall

5480

Females

936

W50-54

16M→17M

16.0 - 17.0 mi

Top 14%

108 ft59 ft

↑ 10ft↓ 59ft

49 ft

Overall

8498

Females

1777

W50-54

17M→18M

17.0 - 18.0 mi

Top 15%

59 ft39 ft

↑ 30ft↓ 49ft

42 ft

Overall

8884

Females

1934

W50-54

No position changes recorded for this athlete.

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