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Karol Bak

Bib: 32621•M

0:00

0:00

/ mi

Masters

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Overall

#0 / 29021

Gender (Male)

#0 / 16340

Masters (Masters Men)

#0 / 10617

Age Group (M45-49)

#0 / 2413

Race Day Weather

51°/41°F

overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start

0:00:00

Race begins

Start

0:00:00

Race begins

33:21

3.11 mi

Rank: #27591

Start → 5K

33:21 | 10:45/mi

33:21

3.11 mi

Rank: #27591

Start → 5K

33:21 | 10:45/mi

10K

1:07:24

6.21 mi

Rank: #27635 (-44)

5K → 10K

34:03 | 10:58/mi

10K

1:07:24

6.21 mi

Rank: #27635 (-44)

5K → 10K

34:03 | 10:58/mi

15K

1:42:56

9.32 mi

Rank: #27783

10K → 15K

35:32 | 11:27/mi

15K

1:42:56

9.32 mi

Rank: #27783

10K → 15K

35:32 | 11:27/mi

20K

2:19:55

12.43 mi

Rank: #27844

15K → 20K

36:59 | 11:55/mi

20K

2:19:55

12.43 mi

Rank: #27844

15K → 20K

36:59 | 11:55/mi

HALF

2:28:23

13.11 mi

Rank: #27905

20K → HALF

8:28 | 12:26/mi

HALF

2:28:23

13.11 mi

Rank: #27905

20K → HALF

8:28 | 12:26/mi

25K

2:57:01

15.53 mi

Rank: #27806

HALF → 25K

28:38 | 11:49/mi

25K

2:57:01

15.53 mi

Rank: #27806

HALF → 25K

28:38 | 11:49/mi

30K

3:39:56

18.64 mi

Rank: #27937

25K → 30K

42:55 | 13:49/mi

30K

3:39:56

18.64 mi

Rank: #27937

25K → 30K

42:55 | 13:49/mi

20M

3:58:01

20.00 mi

Rank: #27933

30K → 20M

18:05 | 13:19/mi

20M

3:58:01

20.00 mi

Rank: #27933

30K → 20M

18:05 | 13:19/mi

21M

4:12:22

21.00 mi

Rank: #27927

20M → 21M

14:21 | 14:21/mi

21M

4:12:22

21.00 mi

Rank: #27927

20M → 21M

14:21 | 14:21/mi

35K

4:22:11

21.75 mi

Rank: #27926

21M → 35K

9:49 | 13:08/mi

35K

4:22:11

21.75 mi

Rank: #27926

21M → 35K

9:49 | 13:08/mi

23M

4:39:09

23.00 mi

Rank: #27928

35K → 23M

16:58 | 13:34/mi

23M

4:39:09

23.00 mi

Rank: #27928

35K → 23M

16:58 | 13:34/mi

24M

4:52:42

24.00 mi

Rank: #27940

23M → 24M

13:33 | 13:33/mi

24M

4:52:42

24.00 mi

Rank: #27940

23M → 24M

13:33 | 13:33/mi

40K

5:03:53

24.85 mi

Rank: #27917

24M → 40K

11:11 | 13:05/mi

40K

5:03:53

24.85 mi

Rank: #27917

24M → 40K

11:11 | 13:05/mi

25.2M

5:08:32

25.20 mi

Rank: #27905

40K → 25.2M

4:39 | 13:30/mi

25.2M

5:08:32

25.20 mi

Rank: #27905

40K → 25.2M

4:39 | 13:30/mi

FINISH

5:21:06

26.22 mi

Rank: #27916

25.2M → FINISH

12:34 | 12:20/mi

FINISH

5:21:06

26.22 mi

Rank: #27916

25.2M → FINISH

12:34 | 12:20/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster

via HALF

Distance13.11 mi

Time2:28:23

Pace11:20 /mi

2nd Half

Spacer

Distance13.11 mi

Time2:52:43

Pace13:11 /mi

📊Positive Split: 16.4% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	12:03:21	33:21	10:45	33:21	10:45	-
10K	6.21 mi	12:37:24	1:07:24	10:51	34:03	10:58	+0:13
15K	9.32 mi	13:12:56	1:42:56	11:03	35:32	11:27	+0:29
20K	12.43 mi	13:49:55	2:19:55	11:16	36:59	11:55	+0:28
HALF	13.11 mi	13:58:23	2:28:23	11:20	8:28	12:26	+0:31
25K	15.53 mi	14:27:01	2:57:01	11:24	28:38	11:49	-0:37
30K	18.64 mi	15:09:56	3:39:56	11:48	42:55	13:49	+2:00
20M	20.00 mi	15:28:01	3:58:01	11:55	18:05	13:19	-0:30
21M	21.00 mi	15:42:22	4:12:22	12:02	14:21	14:21	+1:02
35K	21.75 mi	15:52:11	4:22:11	12:04	9:49	13:08	-1:13
23M	23.00 mi	16:09:09	4:39:09	12:09	16:58	13:34	+0:26
24M	24.00 mi	16:22:42	4:52:42	12:12	13:33	13:33	-0:01
40K	24.85 mi	16:33:53	5:03:53	12:14	11:11	13:05	-0:28
25.2M	25.20 mi	16:38:32	5:08:32	12:15	4:39	13:30	+0:25
FINISH	26.22 mi	16:51:06	5:21:06	12:16	12:34	12:20	-1:10

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

10:45 /mi

Average Pace

12:15 /mi

Slowest Pace

14:21 /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

3:09:35

59% of race

Time at Steady Pace

1:14:15

23% of race

Time at Slower Pace

57:16

18% of race

Average Pace: 12:15 /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	12:03:21	33:21	10:45	33:21	10:45	#27591
10K	6.21 mi	12:37:24	1:07:24	10:51	34:03	10:58	#27635
15K	9.32 mi	13:12:56	1:42:56	11:03	35:32	11:27	#27783
20K	12.43 mi	13:49:55	2:19:55	11:16	36:59	11:55	#27844
HALF	13.11 mi	13:58:23	2:28:23	11:20	8:28	12:26	#27905
25K	15.53 mi	14:27:01	2:57:01	11:24	28:38	11:49	#27806
30K	18.64 mi	15:09:56	3:39:56	11:48	42:55	13:49	#27937
20M	20.00 mi	15:28:01	3:58:01	11:55	18:05	13:19	#27933
21M	21.00 mi	15:42:22	4:12:22	12:02	14:21	14:21	#27927
35K	21.75 mi	15:52:11	4:22:11	12:04	9:49	13:08	#27926
23M	23.00 mi	16:09:09	4:39:09	12:09	16:58	13:34	#27928
24M	24.00 mi	16:22:42	4:52:42	12:12	13:33	13:33	#27940
40K	24.85 mi	16:33:53	5:03:53	12:14	11:11	13:05	#27917
25.2M	25.20 mi	16:38:32	5:08:32	12:15	4:39	13:30	#27905
FINISH	26.22 mi	16:51:06	5:21:06	12:16	12:34	12:20	#27916

Faster pace

Steady pace

Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M45-49	Seg. Overall	Seg. Males	Seg. M45-49
5K	3.11 mi	3.11 mi	27591	15875	15875	27909(Top 96%)	15948(Top 98%)	15948(Top 661%)
10K	6.21 mi	3.10 mi	27635-44	15878-3	15878-3	27627(Top 95%)	15849(Top 97%)	15849(Top 657%)
15K	9.32 mi	3.11 mi	27783-148	15922-44	15922-44	27909(Top 96%)	15948(Top 98%)	15948(Top 661%)
20K	12.43 mi	3.11 mi	27844-61	15938-16	15938-16	27934(Top 96%)	15955(Top 98%)	15955(Top 661%)
HALF	13.11 mi	0.68 mi	27905-61	15960-22	15960-22	28492(Top 98%)	16122(Top 99%)	16122(Top 668%)
25K	15.53 mi	2.42 mi	27806+99	15919+41	15919+41	27337(Top 94%)	15675(Top 96%)	15675(Top 650%)
30K	18.64 mi	3.11 mi	27937-131	15950-31	15950-31	28251(Top 97%)	15991(Top 98%)	15991(Top 663%)
20M	20.00 mi	1.36 mi	27933+4	15944+6	15944+6	27668(Top 95%)	15710(Top 96%)	15710(Top 651%)
21M	21.00 mi	1.00 mi	27927+6	15942+2	15942+2	27612(Top 95%)	15653(Top 96%)	15653(Top 649%)
35K	21.75 mi	0.75 mi	27926+1	15939+3	15939+3	27810(Top 96%)	15723(Top 96%)	15723(Top 652%)
23M	23.00 mi	1.25 mi	27928-2	15933+6	15933+6	27839(Top 96%)	15746(Top 96%)	15746(Top 653%)
24M	24.00 mi	1.00 mi	27940-12	15929+4	15929+4	28052(Top 97%)	15815(Top 97%)	15815(Top 655%)
40K	24.85 mi	0.85 mi	27917+23	15910+19	15910+19	27127(Top 93%)	15337(Top 94%)	15337(Top 636%)
25.2M	25.20 mi	0.35 mi	27905+12	15903+7	15903+7	26661(Top 92%)	15115(Top 93%)	15115(Top 626%)
FINISH	26.22 mi	1.02 mi	27916-11	15906-3	15906-3	27760(Top 96%)	15665(Top 96%)	15665(Top 649%)

15665

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Position interactions are being recalculated

Started about 1 hour ago. This usually takes 10-20 minutes. Please check back shortly.

Activity Data

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Results processed 3 months ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Boston Athletic Association

Race timed by

Mika Timing

Karol Bak

Race Timeline and Course Information

⏱️ Race Timeline

Race Animation with Course Map

Splits & Pacing

Half Splits

Checkpoint Splits

Checkpoint Splits Visualizations

📈Pace Line

Pace Progression

📊Segments

Segment Time Comparison

🎨Heatmap

Pace Heatmap

✨Sparklines

Checkpoint Splits with Pace Trends

Rankings

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

Passing

Passing Analysis

Activity Data

Export & Support

Export Track Data

Questions or issues regarding timing data?

Quick Links

All Results

Race Analytics

Course Information

Contact Time Management

Public Race Data