Brian Crounse

Concord, MA

Bib: 3855 M 54

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 61036

Top 8%

Gender (Male)

#0 / 31978

Top 12%

Masters (Masters Men)

#0 / 14572

Top 9%

Division (M50-54)

#0 / 2905

Top 9%

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

7:16/mi

21:47

↑ 182 ft↓ 221 ft0.2% grade

79 ft elev

5K· 3.11 mi

7:48/mi

22:37

→ flat

76 ft elev

7:27/mi

29:16

↑ 23 ft↓ 16 ft0.1% grade

84 ft elev

7:20/mi

36:36

↑ 13 ft↓ 30 ft0.3% grade

70 ft elev

7:28/mi

44:04

↑ 16 ft↓ 36 ft0.4% grade

47 ft elev

10K· 6.21 mi

7:38/mi

45:42

→ flat0.6% grade

58 ft elev

7:24/mi

51:31

↓ 30 ft0.6% grade

33 ft elev

7:35/mi

59:06

↑ 30 ft0.4% grade

54 ft elev

7:38/mi

1:06:44

↑ 61 ft↓ 33 ft0.5% grade

81 ft elev

15K· 9.32 mi

7:20/mi

1:09:05

↓ 13 ft0.8% grade

66 ft elev

10M

7:23/mi

1:14:06

↓ 36 ft0.9% grade

33 ft elev

11M

7:36/mi

1:21:42

↑ 43 ft0.7% grade

72 ft elev

12M

7:36/mi

1:29:18

↓ 46 ft0.8% grade

33 ft elev

20K· 12.43 mi

7:45/mi

1:32:37

↑ 16 ft0.7% grade

54 ft elev

13M

8:18/mi

1:37:22

↓ 26 ft0.8% grade

36 ft elev

Half· 13.11 mi

7:53/mi

1:38:14

→ flat0.5% grade

49 ft elev

14M

7:25/mi

1:44:50

↑ 23 ft↓ 39 ft0.3% grade

36 ft elev

15M

7:44/mi

1:52:34

↑ 62 ft1.1% grade

93 ft elev

25K· 15.53 mi

7:44/mi

1:56:42

↑ 68 ft2.4% grade

169 ft elev

16M

7:09/mi

2:00:02

↓ 45 ft1.7% grade

125 ft elev

17M

7:26/mi

2:07:28

↑ 10 ft↓ 59 ft0.9% grade

59 ft elev

18M

7:22/mi

2:14:50

↑ 30 ft↓ 49 ft0.4% grade

39 ft elev

30K· 18.64 mi

7:24/mi

2:19:35

→ flat

41 ft elev

19M

7:23/mi

2:22:14

→ flat0.2% grade

39 ft elev

20M

7:26/mi

2:29:40

↑ 43 ft0.7% grade

72 ft elev

21M

7:35/mi

2:37:15

↑ 20 ft↓ 39 ft0.4% grade

53 ft elev

35K· 21.75 mi

7:36/mi

2:42:56

↑ 20 ft↓ 23 ft

52 ft elev

22M

7:48/mi

2:44:54

→ flat0.2% grade

51 ft elev

23M

7:59/mi

2:52:53

↓ 10 ft0.1% grade

46 ft elev

24M

8:28/mi

3:01:21

↑ 92 ft1.7% grade

138 ft elev

40K· 24.85 mi

8:43/mi

3:08:48

↑ 13 ft↓ 62 ft1.1% grade

93 ft elev

25M

8:43/mi

3:10:04

↑ 10 ft1.3% grade

111 ft elev

26M

8:08/mi

3:18:12

↑ 39 ft↓ 39 ft

112 ft elev

Finish· 26.22 mi

7:23/mi

3:19:49

↓ 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

1:38:147:30 /mi⚡ faster

2nd Half

1:41:357:45 /mi+3.4%

Positive split — 3.4% slower in the second half

AI Race Performance Report

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

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:09 /mi

Average Pace

7:38 /mi

Slowest Pace

8:43 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:02:01

31% of race

Time at Steady Pace

1:36:05

48% of race

Time at Slower Pace

41:43

21% of race

Average Pace: 7:37 /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	M50-54	Seg. Overall	Seg. Males	Seg. M50-54
3M	3.00 mi	4233	3635	225	9303	7353	544
5K	0.11 mi	4308-75	3699-64	228-3	9639	7542	581
4M	0.89 mi	4588-280	3927-228	250-22	5905	4963	344
5M	1.00 mi	4748-160	4045-118	257-7	5691	4786	325
6M	1.00 mi	4928-180	4188-143	274-17	6242	5223	367
10K	0.21 mi	4967-39	4225-37	278-4	6754	5594	391
7M	0.79 mi	5109-142	4334-109	285-7	6636	5538	394
8M	1.00 mi	5235-126	4442-108	296-11	6410	5375	367
9M	1.00 mi	5365-130	4551-109	301-5	6257	5246	361
15K	0.32 mi	5365	4549+2	301	5518	4670	312
10M	0.68 mi	5373-8	4555-6	301	5598	4731	309
11M	1.00 mi	5380-7	4561-6	299+2	5617	4732	307
12M	1.00 mi	5459-79	4620-59	307-8	6377	5293	368
20K	0.43 mi	5480-21	4636-16	309-2	6826	5621	388
13M	0.57 mi	5680-200	4774-138	324-15	9303	7353	544
Half(13.11 mi)	0.11 mi	5655+25	4757+17	321+3	7723	5925	403
14M	0.89 mi	5572+83	4694+63	316+5	4847	4084	265
15M	1.00 mi	5489+83	4620+74	308+8	4632	3912	243
25K	0.53 mi	5389+100	4541+79	297+11	3554	3057	176
16M	0.47 mi	5319+70	4486+55	294+3	3877	3318	215
17M	1.00 mi	5233+86	4413+73	290+4	4281	3612	222
18M	1.00 mi	5126+107	4321+92	281+9	3989	3359	210
30K	0.64 mi	5024+102	4236+85	274+7	3767	3160	196
19M	0.36 mi	4978+46	4196+40	266+8	3907	3264	209
20M	1.00 mi	4789+189	4048+148	257+9	2923	2497	151
21M	1.00 mi	4634+155	3912+136	248+9	3323	2780	177
35K	0.75 mi	4563+71	3843+69	246+2	3600	2961	185
22M	0.25 mi	4541+22	3822+21	246	3596	2943	186
23M	1.00 mi	4505+36	3776+46	239+7	5169	4038	276
24M	1.00 mi	4489+16	3741+35	238+1	6068	4587	322
40K	0.85 mi	4580-91	3788-47	245-7	9698	6754	505
25M	0.15 mi	4601-21	3801-13	246-1	10922	7524	556
26M	1.00 mi	4633-32	3814-13	248-2	6792	4940	334
Finish(26.22 mi)	0.22 mi	4626+7	3805+9	249-1	4957	3781	206

Segment Performance Analysis

20K→13M

0.0 - 3.0 mi

Top 15%

118 ft79 ft

↑ 182ft↓ 221ft

194 ft

Overall

9303

Males

7353

No position changes recorded for this athlete.

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