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Dominik Zajac

Bib: 12945•M

0:00

0:00

/ mi

Masters

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Overall

#0 / 29021

Top 40%

Gender (Male)

#0 / 16340

Masters (Masters Men)

#0 / 10617

Top 42%

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

22:32

3.11 mi

Rank: #10640

Start → 5K

22:32 | 7:16/mi

22:32

3.11 mi

Rank: #10640

Start → 5K

22:32 | 7:16/mi

10K

44:55

6.21 mi

Rank: #10457 (+183)

5K → 10K

22:23 | 7:13/mi

10K

44:55

6.21 mi

Rank: #10457 (+183)

5K → 10K

22:23 | 7:13/mi

15K

1:07:54

9.32 mi

Rank: #10897 (-440)

10K → 15K

22:59 | 7:24/mi

15K

1:07:54

9.32 mi

Rank: #10897 (-440)

10K → 15K

22:59 | 7:24/mi

20K

1:31:20

12.43 mi

Rank: #11276 (-379)

15K → 20K

23:26 | 7:33/mi

20K

1:31:20

12.43 mi

Rank: #11276 (-379)

15K → 20K

23:26 | 7:33/mi

HALF

1:36:26

13.11 mi

Rank: #11358 (-82)

20K → HALF

5:06 | 7:29/mi

HALF

1:36:26

13.11 mi

Rank: #11358 (-82)

20K → HALF

5:06 | 7:29/mi

25K

1:55:07

15.53 mi

Rank: #11636 (-278)

HALF → 25K

18:41 | 7:43/mi

25K

1:55:07

15.53 mi

Rank: #11636 (-278)

HALF → 25K

18:41 | 7:43/mi

30K

2:20:15

18.64 mi

Rank: #12065 (-429)

25K → 30K

25:08 | 8:06/mi

30K

2:20:15

18.64 mi

Rank: #12065 (-429)

25K → 30K

25:08 | 8:06/mi

20M

2:30:52

20.00 mi

Rank: #12015 (+50)

30K → 20M

10:37 | 7:49/mi

20M

2:30:52

20.00 mi

Rank: #12015 (+50)

30K → 20M

10:37 | 7:49/mi

21M

2:39:08

21.00 mi

Rank: #11972 (+43)

20M → 21M

8:16 | 8:16/mi

21M

2:39:08

21.00 mi

Rank: #11972 (+43)

20M → 21M

8:16 | 8:16/mi

35K

2:44:48

21.75 mi

Rank: #11934 (+38)

21M → 35K

5:40 | 7:35/mi

35K

2:44:48

21.75 mi

Rank: #11934 (+38)

21M → 35K

5:40 | 7:35/mi

23M

2:54:34

23.00 mi

Rank: #11842 (+92)

35K → 23M

9:46 | 7:49/mi

23M

2:54:34

23.00 mi

Rank: #11842 (+92)

35K → 23M

9:46 | 7:49/mi

24M

3:02:22

24.00 mi

Rank: #11818 (+24)

23M → 24M

7:48 | 7:48/mi

24M

3:02:22

24.00 mi

Rank: #11818 (+24)

23M → 24M

7:48 | 7:48/mi

40K

3:08:46

24.85 mi

Rank: #11667 (+151)

24M → 40K

6:24 | 7:30/mi

40K

3:08:46

24.85 mi

Rank: #11667 (+151)

24M → 40K

6:24 | 7:30/mi

25.2M

3:11:49

25.20 mi

Rank: #11706 (-39)

40K → 25.2M

3:03 | 8:51/mi

25.2M

3:11:49

25.20 mi

Rank: #11706 (-39)

40K → 25.2M

3:03 | 8:51/mi

FINISH

3:19:11

26.22 mi

Rank: #11591 (+115)

25.2M → FINISH

7:22 | 7:14/mi

FINISH

3:19:11

26.22 mi

Rank: #11591 (+115)

25.2M → FINISH

7:22 | 7:14/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster

via HALF

Distance13.11 mi

Time1:36:26

Pace7:22 /mi

2nd Half

Spacer

Distance13.11 mi

Time1:42:45

Pace7:51 /mi

📊Positive Split: 6.6% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	10:50:55	22:32	7:16	22:32	7:16	-
10K	6.21 mi	11:13:18	44:55	7:14	22:23	7:13	-0:03
15K	9.32 mi	11:36:17	1:07:54	7:18	22:59	7:24	+0:11
20K	12.43 mi	11:59:43	1:31:20	7:21	23:26	7:33	+0:09
HALF	13.11 mi	12:04:49	1:36:26	7:22	5:06	7:29	-0:04
25K	15.53 mi	12:23:30	1:55:07	7:25	18:41	7:43	+0:14
30K	18.64 mi	12:48:38	2:20:15	7:32	25:08	8:06	+0:23
20M	20.00 mi	12:59:15	2:30:52	7:33	10:37	7:49	-0:17
21M	21.00 mi	13:07:31	2:39:08	7:35	8:16	8:16	+0:27
35K	21.75 mi	13:13:11	2:44:48	7:35	5:40	7:35	-0:41
23M	23.00 mi	13:22:57	2:54:34	7:36	9:46	7:49	+0:14
24M	24.00 mi	13:30:45	3:02:22	7:36	7:48	7:48	-0:01
40K	24.85 mi	13:37:09	3:08:46	7:36	6:24	7:30	-0:18
25.2M	25.20 mi	13:40:12	3:11:49	7:37	3:03	8:51	+1:21
FINISH	26.22 mi	13:47:34	3:19:11	7:37	7:22	7:14	-1:37

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

7:13 /mi

Average Pace

7:36 /mi

Slowest Pace

8:51 /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

52:17

26% of race

Time at Steady Pace

1:22:16

41% of race

Time at Slower Pace

1:04:38

32% of race

Average Pace: 7:36 /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	10:50:55	22:32	7:16	22:32	7:16	#10640
10K	6.21 mi	11:13:18	44:55	7:14	22:23	7:13	#10457
15K	9.32 mi	11:36:17	1:07:54	7:18	22:59	7:24	#10897
20K	12.43 mi	11:59:43	1:31:20	7:21	23:26	7:33	#11276
HALF	13.11 mi	12:04:49	1:36:26	7:22	5:06	7:29	#11358
25K	15.53 mi	12:23:30	1:55:07	7:25	18:41	7:43	#11636
30K	18.64 mi	12:48:38	2:20:15	7:32	25:08	8:06	#12065
20M	20.00 mi	12:59:15	2:30:52	7:33	10:37	7:49	#12015
21M	21.00 mi	13:07:31	2:39:08	7:35	8:16	8:16	#11972
35K	21.75 mi	13:13:11	2:44:48	7:35	5:40	7:35	#11934
23M	23.00 mi	13:22:57	2:54:34	7:36	9:46	7:49	#11842
24M	24.00 mi	13:30:45	3:02:22	7:36	7:48	7:48	#11818
40K	24.85 mi	13:37:09	3:08:46	7:36	6:24	7:30	#11667
25.2M	25.20 mi	13:40:12	3:11:49	7:37	3:03	8:51	#11706
FINISH	26.22 mi	13:47:34	3:19:11	7:37	7:22	7:14	#11591

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	10640	8402	8402	11902(Top 41%)	8888(Top 54%)	8888(Top 368%)
10K	6.21 mi	3.10 mi	10457+183	8299+103	8299+103	10301(Top 35%)	8212(Top 50%)	8212(Top 340%)
15K	9.32 mi	3.11 mi	10897-440	8481-182	8481-182	11902(Top 41%)	8888(Top 54%)	8888(Top 368%)
20K	12.43 mi	3.11 mi	11276-379	8631-150	8631-150	12328(Top 42%)	8997(Top 55%)	8997(Top 373%)
HALF	13.11 mi	0.68 mi	11358-82	8661-30	8661-30	12794(Top 44%)	9263(Top 57%)	9263(Top 384%)
25K	15.53 mi	2.42 mi	11636-278	8760-99	8760-99	13048(Top 45%)	9234(Top 57%)	9234(Top 383%)
30K	18.64 mi	3.11 mi	12065-429	8898-138	8898-138	14127(Top 49%)	9608(Top 59%)	9608(Top 398%)
20M	20.00 mi	1.36 mi	12015+50	8856+42	8856+42	11440(Top 39%)	8283(Top 51%)	8283(Top 343%)
21M	21.00 mi	1.00 mi	11972+43	8827+29	8827+29	11616(Top 40%)	8263(Top 51%)	8263(Top 342%)
35K	21.75 mi	0.75 mi	11934+38	8791+36	8791+36	11359(Top 39%)	8137(Top 50%)	8137(Top 337%)
23M	23.00 mi	1.25 mi	11842+92	8726+65	8726+65	11045(Top 38%)	7878(Top 48%)	7878(Top 326%)
24M	24.00 mi	1.00 mi	11818+24	8684+42	8684+42	12263(Top 42%)	8355(Top 51%)	8355(Top 346%)
40K	24.85 mi	0.85 mi	11667+151	8585+99	8585+99	8750(Top 30%)	6577(Top 40%)	6577(Top 273%)
25.2M	25.20 mi	0.35 mi	11706-39	8585	8585	13687(Top 47%)	8899(Top 54%)	8899(Top 369%)
FINISH	26.22 mi	1.02 mi	11591+115	8512+73	8512+73	9328(Top 32%)	6782(Top 42%)	6782(Top 281%)

6782

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Position interactions are being recalculated

Started about 7 hours ago. This usually takes 10-20 minutes. Please check back shortly.

Activity Data

Upload your GPX file to see detailed activity metrics

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Export Track Data

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Contact Race Support

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Course Information

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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

Dominik Zajac

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