Brian Jackson

Bib: 3908•M

0:00

0:00

/ mi

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Overall

#0 / 26622

Top 15%

Gender (Male)

#0 / 15176

Top 25%

Age Group (M18-39)

#0 / 5285

Race Day Weather

49°/39°F

light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start

0:00:00

Race begins

Start

0:00:00

Race begins

5K· 3.11 mi

20:45

Rank: #3478

Start → 5K

20:45 | 6:41/mi

5K· 3.11 mi

20:45

Rank: #3478

Start → 5K

20:45 | 6:41/mi

10K· 6.21 mi

41:20

Rank: #3553 (-75)

5K → 10K

20:35 | 6:38/mi

10K· 6.21 mi

41:20

Rank: #3553 (-75)

5K → 10K

20:35 | 6:38/mi

15K· 9.32 mi

1:01:58

Rank: #3546 (+7)

10K → 15K

20:38 | 6:38/mi

15K· 9.32 mi

1:01:58

Rank: #3546 (+7)

10K → 15K

20:38 | 6:38/mi

20K· 12.43 mi

1:23:04

Rank: #3716 (-170)

15K → 20K

21:06 | 6:47/mi

20K· 12.43 mi

1:23:04

Rank: #3716 (-170)

15K → 20K

21:06 | 6:47/mi

Half· 13.11 mi

1:27:39

Rank: #3745 (-29)

20K → Half

4:35 | 6:43/mi

Half· 13.11 mi

1:27:39

Rank: #3745 (-29)

20K → Half

4:35 | 6:43/mi

25K· 15.53 mi

1:44:15

Rank: #3872 (-127)

Half → 25K

16:36 | 6:51/mi

25K· 15.53 mi

1:44:15

Rank: #3872 (-127)

Half → 25K

16:36 | 6:51/mi

30K· 18.64 mi

2:06:17

Rank: #4075 (-203)

25K → 30K

22:02 | 7:06/mi

30K· 18.64 mi

2:06:17

Rank: #4075 (-203)

25K → 30K

22:02 | 7:06/mi

20M

2:16:03

Rank: #4178 (-103)

30K → 20M

9:46 | 7:11/mi

20M

2:16:03

Rank: #4178 (-103)

30K → 20M

9:46 | 7:11/mi

21M

2:23:43

Rank: #4250 (-72)

20M → 21M

7:40 | 7:40/mi

21M

2:23:43

Rank: #4250 (-72)

20M → 21M

7:40 | 7:40/mi

35K· 21.75 mi

2:28:49

Rank: #4240 (+10)

21M → 35K

5:06 | 6:49/mi

35K· 21.75 mi

2:28:49

Rank: #4240 (+10)

21M → 35K

5:06 | 6:49/mi

23M

2:37:39

Rank: #4217 (+23)

35K → 23M

8:50 | 7:03/mi

23M

2:37:39

Rank: #4217 (+23)

35K → 23M

8:50 | 7:03/mi

24M

2:44:24

Rank: #4183 (+34)

23M → 24M

6:45 | 6:45/mi

24M

2:44:24

Rank: #4183 (+34)

23M → 24M

6:45 | 6:45/mi

40K· 24.85 mi

2:50:22

Rank: #4149 (+34)

24M → 40K

5:58 | 6:59/mi

40K· 24.85 mi

2:50:22

Rank: #4149 (+34)

24M → 40K

5:58 | 6:59/mi

25.2M

2:52:55

Rank: #4138 (+11)

40K → 25.2M

2:33 | 7:24/mi

25.2M

2:52:55

Rank: #4138 (+11)

40K → 25.2M

2:33 | 7:24/mi

Finish· 26.22 mi

2:59:42

Rank: #4114 (+24)

25.2M → Finish

6:47 | 6:39/mi

Finish· 26.22 mi

2:59:42

Rank: #4114 (+24)

25.2M → Finish

6:47 | 6:39/mi

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Half Splits

1st Half· via HalfFaster

Distance13.11 mi

Time1:27:39

Pace6:41 /mi

2nd Half

Distance13.11 mi

Time1:32:03

Pace7:01 /mi

📊Positive Split: 5.0% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	10:22:29	20:45	6:41	20:45	6:41	-
10K	6.21 mi	10:43:04	41:20	6:39	20:35	6:38	-0:03
15K	9.32 mi	11:03:42	1:01:58	6:39	20:38	6:38	0:00
20K	12.43 mi	11:24:48	1:23:04	6:41	21:06	6:47	+0:09
Half	13.11 mi	11:29:23	1:27:39	6:41	4:35	6:43	-0:04
25K	15.53 mi	11:45:59	1:44:15	6:43	16:36	6:51	+0:08
30K	18.64 mi	12:08:01	2:06:17	6:46	22:02	7:06	+0:15
20M	20.00 mi	12:17:47	2:16:03	6:48	9:46	7:11	+0:05
21M	21.00 mi	12:25:27	2:23:43	6:51	7:40	7:40	+0:29
35K	21.75 mi	12:30:33	2:28:49	6:51	5:06	6:49	-0:51
23M	23.00 mi	12:39:23	2:37:39	6:51	8:50	7:03	+0:14
24M	24.00 mi	12:46:08	2:44:24	6:51	6:45	6:45	-0:18
40K	24.85 mi	12:52:06	2:50:22	6:51	5:58	6:59	+0:14
25.2M	25.20 mi	12:54:39	2:52:55	6:52	2:33	7:24	+0:25
Finish	26.22 mi	13:01:26	2:59:42	6:52	6:47	6:39	-0:45

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:38 /mi

Average Pace

6:52 /mi

Slowest Pace

7:40 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:49:29

94% of race

Time at Steady Pace

10:13

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:51 /mi

Loading chart...

Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

0mi6.6mi13.1mi19.7mi26.2mi

Pace:

Faster

Steady

Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment	Pace	Rank
5K	3.11 mi	10:22:29	20:45	6:41	20:45	6:41	#3478
10K	6.21 mi	10:43:04	41:20	6:39	20:35	6:38	#3553
15K	9.32 mi	11:03:42	1:01:58	6:39	20:38	6:38	#3546
20K	12.43 mi	11:24:48	1:23:04	6:41	21:06	6:47	#3716
Half	13.11 mi	11:29:23	1:27:39	6:41	4:35	6:43	#3745
25K	15.53 mi	11:45:59	1:44:15	6:43	16:36	6:51	#3872
30K	18.64 mi	12:08:01	2:06:17	6:46	22:02	7:06	#4075
20M	20.00 mi	12:17:47	2:16:03	6:48	9:46	7:11	#4178
21M	21.00 mi	12:25:27	2:23:43	6:51	7:40	7:40	#4250
35K	21.75 mi	12:30:33	2:28:49	6:51	5:06	6:49	#4240
23M	23.00 mi	12:39:23	2:37:39	6:51	8:50	7:03	#4217
24M	24.00 mi	12:46:08	2:44:24	6:51	6:45	6:45	#4183
40K	24.85 mi	12:52:06	2:50:22	6:51	5:58	6:59	#4149
25.2M	25.20 mi	12:54:39	2:52:55	6:52	2:33	7:24	#4138
Finish	26.22 mi	13:01:26	2:59:42	6:52	6:47	6:39	#4114

Faster pace

Steady pace

Slower pace

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M18-39	Seg. Overall	Seg. Males	Seg. M18-39
5K	3.11 mi	3.11 mi	3478	3279	3279	3633(Top 14%)	3428(Top 23%)	3428(Top 65%)
10K	6.21 mi	3.10 mi	3553-75	3354-75	3354-75	3685(Top 14%)	3481(Top 23%)	3481(Top 66%)
15K	9.32 mi	3.11 mi	3546+7	3354	3354	3633(Top 14%)	3428(Top 23%)	3428(Top 65%)
20K	12.43 mi	3.11 mi	3716-170	3515-161	3515-161	4361(Top 16%)	4071(Top 27%)	4071(Top 77%)
Half	13.11 mi	0.68 mi	3745-29	3540-25	3540-25	4492(Top 17%)	4184(Top 28%)	4184(Top 79%)
25K	15.53 mi	2.42 mi	3872-127	3652-112	3652-112	4539(Top 17%)	4226(Top 28%)	4226(Top 80%)
30K	18.64 mi	3.11 mi	4075-203	3831-179	3831-179	4866(Top 18%)	4478(Top 30%)	4478(Top 85%)
20M	20.00 mi	1.36 mi	4178-103	3919-88	3919-88	5027(Top 19%)	4560(Top 30%)	4560(Top 86%)
21M	21.00 mi	1.00 mi	4250-72	3978-59	3978-59	5415(Top 20%)	4768(Top 31%)	4768(Top 90%)
35K	21.75 mi	0.75 mi	4240+10	3967+11	3967+11	4280(Top 16%)	3915(Top 26%)	3915(Top 74%)
23M	23.00 mi	1.25 mi	4217+23	3946+21	3946+21	4047(Top 15%)	3723(Top 25%)	3723(Top 70%)
24M	24.00 mi	1.00 mi	4183+34	3914+32	3914+32	3384(Top 13%)	3121(Top 21%)	3121(Top 59%)
40K	24.85 mi	0.85 mi	4149+34	3883+31	3883+31	3727(Top 14%)	3368(Top 22%)	3368(Top 64%)
25.2M	25.20 mi	0.35 mi	4138+11	3873+10	3873+10	3403(Top 13%)	3086(Top 20%)	3086(Top 58%)
Finish	26.22 mi	1.02 mi	4114+24	3849+24	3849+24	3278(Top 12%)	2950(Top 19%)	2950(Top 56%)

2950

Passing Analysis

Category:

Athletes Passed

837

Passed By

1473

Net Change

-636

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#3478
5K → 10K	161	236	-75	#3478	#3553
10K → 15K	113	106	+7	#3553	#3546
15K → 20K	42	212	-170	#3546	#3716
20K → Half	10	39	-29	#3716	#3745
Half → 25K	48	175	-127	#3745	#3872
25K → 30K	59	262	-203	#3872	#4075
30K → 20M	31	134	-103	#4075	#4178
20M → 21M	46	118	-72	#4178	#4250
21M → 35K	40	30	+10	#4250	#4240
35K → 23M	74	51	+23	#4240	#4217
23M → 24M	66	32	+34	#4217	#4183
24M → 40K	66	32	+34	#4183	#4149
40K → 25.2M	26	15	+11	#4149	#4138
25.2M → Finish	55	31	+24	#4138	#4114
TOTALS	837	1473	-636

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:

Category:

📈Position Graph

🎨Heatmap Timeline

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

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Results processed 3 days ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Boston Athletic Association

Race timed by

Mika Timing

Brian Jackson

⏱️ Race Timeline

Race Animation with Course Map

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Half Splits

Checkpoint Splits

Checkpoint Splits Visualizations

📈Pace Line

Pace Progression

📊Segments

Segment Time Comparison

🎨Heatmap

Pace Heatmap

✨Sparklines

Checkpoint Splits with Pace Trends

Checkpoint and Segment Rankings

Segment Performance Analysis

10K→15K

5K→10K

10K→15K

15K→20K

20K→Half

Half→25K

25K→30K

30K→20M

20M→21M

21M→35K

35K→23M

23M→24M

24M→40K

40K→25.2M

25.2M→Finish