Jonathan Book

Brookline, MA

Bib: 62391 M 60

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 61036

Gender (Male)

#0 / 31978

Masters (Masters Men)

#0 / 14572

Division (M60-64)

#0 / 1364

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

11:14/mi

33:41

↑ 182 ft↓ 221 ft0.2% grade

79 ft elev

5K· 3.11 mi

10:27/mi

34:48

→ flat

76 ft elev

10:46/mi

44:25

↑ 23 ft↓ 16 ft0.1% grade

84 ft elev

11:04/mi

55:29

↑ 13 ft↓ 30 ft0.3% grade

70 ft elev

11:06/mi

1:06:35

↑ 16 ft↓ 36 ft0.4% grade

47 ft elev

10K· 6.21 mi

12:33/mi

1:09:16

→ flat0.6% grade

58 ft elev

9:58/mi

1:17:06

↓ 30 ft0.6% grade

33 ft elev

11:20/mi

1:28:26

↑ 30 ft0.4% grade

54 ft elev

10:41/mi

1:39:07

↑ 61 ft↓ 33 ft0.5% grade

81 ft elev

15K· 9.32 mi

10:27/mi

1:42:28

↓ 13 ft0.8% grade

66 ft elev

10M

11:42/mi

1:50:25

↓ 36 ft0.9% grade

33 ft elev

11M

11:00/mi

2:01:25

↑ 43 ft0.7% grade

72 ft elev

12M

12:09/mi

2:13:34

↓ 46 ft0.8% grade

33 ft elev

20K· 12.43 mi

10:43/mi

2:18:09

↑ 16 ft0.7% grade

54 ft elev

13M

14:25/mi

2:26:24

↓ 26 ft0.8% grade

36 ft elev

Half· 13.11 mi

14:25/mi

2:27:59

→ flat0.5% grade

49 ft elev

14M

11:54/mi

2:38:35

↑ 23 ft↓ 39 ft0.3% grade

36 ft elev

15M

12:11/mi

2:50:46

↑ 62 ft1.1% grade

93 ft elev

25K· 15.53 mi

11:29/mi

2:56:54

↑ 68 ft2.4% grade

169 ft elev

16M

10:18/mi

3:01:42

↓ 45 ft1.7% grade

125 ft elev

17M

11:40/mi

3:13:22

↑ 10 ft↓ 59 ft0.9% grade

59 ft elev

18M

11:13/mi

3:24:35

↑ 30 ft↓ 49 ft0.4% grade

39 ft elev

30K· 18.64 mi

17:50/mi

3:36:01

→ flat

41 ft elev

19M

10:26/mi

3:39:46

→ flat0.2% grade

39 ft elev

20M

13:05/mi

3:52:51

↑ 43 ft0.7% grade

72 ft elev

21M

14:11/mi

4:07:02

↑ 20 ft↓ 39 ft0.4% grade

53 ft elev

35K· 21.75 mi

12:39/mi

4:16:30

↑ 20 ft↓ 23 ft

52 ft elev

22M

11:42/mi

4:19:27

→ flat0.2% grade

51 ft elev

23M

13:26/mi

4:32:53

↓ 10 ft0.1% grade

46 ft elev

24M

12:43/mi

4:45:36

↑ 92 ft1.7% grade

138 ft elev

40K· 24.85 mi

12:45/mi

4:56:30

↑ 13 ft↓ 62 ft1.1% grade

93 ft elev

25M

11:21/mi

4:58:09

↑ 10 ft1.3% grade

111 ft elev

26M

11:55/mi

5:10:04

↑ 39 ft↓ 39 ft

112 ft elev

Finish· 26.22 mi

10:49/mi

5:12:26

↓ 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

2:27:5911:17 /mi⚡ faster

2nd Half

2:44:2712:33 /mi+11.1%

Positive split — 11.1% slower in the second half

AI Race Performance Report

Jonathan's race, broken down like a coach

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
3M	33:41	11:14	3.00 mi	33:41	11:14	-
5K	34:48	11:12	0.11 mi	1:07	10:27	-0:47
4M	44:25	11:06	0.89 mi	9:37	10:46	+0:19
5M	55:29	11:06	1.00 mi	11:04	11:04	+0:18
6M	1:06:35	11:06	1.00 mi	11:06	11:06	+0:02
10K	1:09:16	11:09	0.21 mi	2:41	12:33	+1:27
7M	1:17:06	11:01	0.79 mi	7:50	9:58	-2:35
8M	1:28:26	11:03	1.00 mi	11:20	11:20	+1:22
9M	1:39:07	11:01	1.00 mi	10:41	10:41	-0:39
15K	1:42:28	11:00	0.32 mi	3:21	10:27	-0:14
10M	1:50:25	11:03	0.68 mi	7:57	11:42	+1:15
11M	2:01:25	11:02	1.00 mi	11:00	11:00	-0:42
12M	2:13:34	11:08	1.00 mi	12:09	12:09	+1:09
20K	2:18:09	11:07	0.43 mi	4:35	10:43	-1:26
13M	2:26:24	11:16	0.57 mi	8:15	14:25	+3:42
Half(13.11 mi)	2:27:59	11:17	0.11 mi	1:35	14:25	0:00
14M	2:38:35	11:20	0.89 mi	10:36	11:54	-2:31
15M	2:50:46	11:23	1.00 mi	12:11	12:11	+0:17
25K	2:56:54	11:23	0.53 mi	6:08	11:29	-0:42
16M	3:01:42	11:21	0.47 mi	4:48	10:18	-1:11
17M	3:13:22	11:22	1.00 mi	11:40	11:40	+1:22
18M	3:24:35	11:22	1.00 mi	11:13	11:13	-0:27
30K	3:36:01	11:35	0.64 mi	11:26	17:50	+6:37
19M	3:39:46	11:34	0.36 mi	3:45	10:26	-7:24
20M	3:52:51	11:39	1.00 mi	13:05	13:05	+2:39
21M	4:07:02	11:46	1.00 mi	14:11	14:11	+1:06
35K	4:16:30	11:48	0.75 mi	9:28	12:39	-1:32
22M	4:19:27	11:48	0.25 mi	2:57	11:42	-0:57
23M	4:32:53	11:52	1.00 mi	13:26	13:26	+1:44
24M	4:45:36	11:54	1.00 mi	12:43	12:43	-0:43
40K	4:56:30	11:56	0.85 mi	10:54	12:45	+0:02
25M	4:58:09	11:56	0.15 mi	1:39	11:21	-1:24
26M	5:10:04	11:56	1.00 mi	11:55	11:55	+0:34
Finish(26.22 mi)	5:12:26	11:55	0.22 mi	2:22	10:49	-1:06

Trend:

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

9:58 /mi

Average Pace

11:55 /mi

Slowest Pace

17:50 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

48:06

15% of race

Time at Steady Pace

2:46:36

53% of race

Time at Slower Pace

1:37:44

31% of race

Average Pace: 11:55 /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	Males	M60-64	Seg. Overall	Seg. Males	Seg. M60-64
3M	3.00 mi	48355	27731	994	54679	29692	1153
5K	0.11 mi	47913+442	27526+205	981+13	41929	24802	817
4M	0.89 mi	47354+559	27325+201	967+14	45821	26744	930
5M	1.00 mi	47544-190	27395-70	967	48397	27673	967
6M	1.00 mi	47411+133	27325+70	956+11	47195	27170	934
10K	0.21 mi	47825-414	27489-164	969-13	54696	29870	1156
7M	0.79 mi	46981+844	27163+326	947+22	39371	24179	756
8M	1.00 mi	46955+26	27184-21	943+4	47151	27259	942
9M	1.00 mi	46388+567	26965+219	931+12	41964	25269	814
15K	0.32 mi	46211+177	26899+66	927+4	41537	24878	815
10M	0.68 mi	46247-36	26897+2	927	48103	27433	977
11M	1.00 mi	45945+302	26773+124	919+8	43131	25510	817
12M	1.00 mi	46309-364	26930-157	924-5	49730	28114	1001
20K	0.43 mi	46097+212	26839+91	916+8	40762	24421	757
13M	0.57 mi	46893-796	27119-280	938-22	54679	29692	1153
Half(13.11 mi)	0.11 mi	47036-143	27170-51	941-3	54770	29733	1159
14M	0.89 mi	47001+35	27116+54	940+1	46605	26507	921
15M	1.00 mi	46698+303	26967+149	931+9	43465	25108	825
25K	0.53 mi	46301+397	26786+181	922+9	36870	22035	628
16M	0.47 mi	46009+292	26669+117	912+10	35456	21602	620
17M	1.00 mi	45773+236	26541+128	899+13	42921	24769	795
18M	1.00 mi	45312+461	26314+227	887+12	38356	22438	678
30K	0.64 mi	46474-1162	26725-411	922-35	58365	30827	1269
19M	0.36 mi	46204+270	26613+112	909+13	31694	19001	505
20M	1.00 mi	46021+183	26460+153	902+7	43347	24140	793
21M	1.00 mi	46236-215	26484-24	907-5	49737	26869	960
35K	0.75 mi	46152+84	26393+91	896+11	42983	23723	766
22M	0.25 mi	46044+108	26340+53	893+3	36427	20571	598
23M	1.00 mi	46117-73	26321+19	891+2	47507	25754	896
24M	1.00 mi	45905+212	26193+128	885+6	40741	22448	660
40K	0.85 mi	45871+34	26137+56	879+6	44763	24341	805
25M	0.15 mi	45821+50	26104+33	875+4	37917	21246	610
26M	1.00 mi	45676+145	26005+99	865+10	42510	23179	700
Finish(26.22 mi)	0.22 mi	45632+44	25973+32	862+3	41460	22770	662

Segment Performance Analysis

20K→13M

0.0 - 3.0 mi

Top 90%

118 ft79 ft

↑ 182ft↓ 221ft

194 ft

Overall

54679

Males

29692

No position changes recorded for this athlete.

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