Thomas Bellsky

Bib: 5145•M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 26622

Top 12%

Gender (Male)

#0 / 15176

Top 19%

Masters (Masters Men)

#0 / 9891

Top 8%

Age Group (M40-44)

#0 / 2241

Top 20%

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

21:08

Rank: #4682

Start → 5K

21:08 | 6:48/mi

5K· 3.11 mi

21:08

Rank: #4682

Start → 5K

21:08 | 6:48/mi

10K· 6.21 mi

41:58

Rank: #4517 (+165)

5K → 10K

20:50 | 6:42/mi

10K· 6.21 mi

41:58

Rank: #4517 (+165)

5K → 10K

20:50 | 6:42/mi

15K· 9.32 mi

1:02:57

Rank: #4542 (-25)

10K → 15K

20:59 | 6:45/mi

15K· 9.32 mi

1:02:57

Rank: #4542 (-25)

10K → 15K

20:59 | 6:45/mi

20K· 12.43 mi

1:23:57

Rank: #4393 (+149)

15K → 20K

21:00 | 6:46/mi

20K· 12.43 mi

1:23:57

Rank: #4393 (+149)

15K → 20K

21:00 | 6:46/mi

Half· 13.11 mi

1:28:28

Rank: #4350 (+43)

20K → Half

4:31 | 6:37/mi

Half· 13.11 mi

1:28:28

Rank: #4350 (+43)

20K → Half

4:31 | 6:37/mi

25K· 15.53 mi

1:44:46

Rank: #4162 (+188)

Half → 25K

16:18 | 6:43/mi

25K· 15.53 mi

1:44:46

Rank: #4162 (+188)

Half → 25K

16:18 | 6:43/mi

30K· 18.64 mi

2:05:48

Rank: #3836 (+326)

25K → 30K

21:02 | 6:46/mi

30K· 18.64 mi

2:05:48

Rank: #3836 (+326)

25K → 30K

21:02 | 6:46/mi

20M

2:15:02

Rank: #3711 (+125)

30K → 20M

9:14 | 6:48/mi

20M

2:15:02

Rank: #3711 (+125)

30K → 20M

9:14 | 6:48/mi

21M

2:22:05

Rank: #3578 (+133)

20M → 21M

7:03 | 7:03/mi

21M

2:22:05

Rank: #3578 (+133)

20M → 21M

7:03 | 7:03/mi

35K· 21.75 mi

2:27:00

Rank: #3525 (+53)

21M → 35K

4:55 | 6:34/mi

35K· 21.75 mi

2:27:00

Rank: #3525 (+53)

21M → 35K

4:55 | 6:34/mi

23M

2:35:29

Rank: #3414 (+111)

35K → 23M

8:29 | 6:47/mi

23M

2:35:29

Rank: #3414 (+111)

35K → 23M

8:29 | 6:47/mi

24M

2:41:59

Rank: #3319 (+95)

23M → 24M

6:30 | 6:30/mi

24M

2:41:59

Rank: #3319 (+95)

23M → 24M

6:30 | 6:30/mi

40K· 24.85 mi

2:47:43

Rank: #3247 (+72)

24M → 40K

5:44 | 6:42/mi

40K· 24.85 mi

2:47:43

Rank: #3247 (+72)

24M → 40K

5:44 | 6:42/mi

25.2M

2:50:10

Rank: #3213 (+34)

40K → 25.2M

2:27 | 7:06/mi

25.2M

2:50:10

Rank: #3213 (+34)

40K → 25.2M

2:27 | 7:06/mi

Finish· 26.22 mi

2:56:38

Rank: #3095 (+118)

25.2M → Finish

6:28 | 6:21/mi

Finish· 26.22 mi

2:56:38

Rank: #3095 (+118)

25.2M → Finish

6:28 | 6:21/mi

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Half Splits

1st Half· via Half⚖️ Balanced

Distance13.11 mi

Time1:28:28

Pace6:45 /mi

2nd Half⚖️ Balanced

Distance13.11 mi

Time1:28:10

Pace6:44 /mi

📊Even Split: Consistent pacing between halves

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	10:24:49	21:08	6:48	21:08	6:48	-
10K	6.21 mi	10:45:39	41:58	6:45	20:50	6:42	-0:06
15K	9.32 mi	11:06:38	1:02:57	6:45	20:59	6:45	+0:03
20K	12.43 mi	11:27:38	1:23:57	6:45	21:00	6:46	+0:01
Half	13.11 mi	11:32:09	1:28:28	6:45	4:31	6:37	-0:09
25K	15.53 mi	11:48:27	1:44:46	6:45	16:18	6:43	+0:06
30K	18.64 mi	12:09:29	2:05:48	6:45	21:02	6:46	+0:03
20M	20.00 mi	12:18:43	2:15:02	6:45	9:14	6:48	+0:02
21M	21.00 mi	12:25:46	2:22:05	6:46	7:03	7:03	+0:15
35K	21.75 mi	12:30:41	2:27:00	6:46	4:55	6:34	-0:29
23M	23.00 mi	12:39:10	2:35:29	6:46	8:29	6:47	+0:13
24M	24.00 mi	12:45:40	2:41:59	6:45	6:30	6:30	-0:17
40K	24.85 mi	12:51:24	2:47:43	6:45	5:44	6:42	+0:12
25.2M	25.20 mi	12:53:51	2:50:10	6:45	2:27	7:06	+0:24
Finish	26.22 mi	13:00:19	2:56:38	6:45	6:28	6:21	-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

6:21 /mi

Average Pace

6:45 /mi

Slowest Pace

7:06 /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

2:47:08

95% of race

Time at Steady Pace

9:30

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:44 /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	10:24:49	21:08	6:48	21:08	6:48	#4682
10K	6.21 mi	10:45:39	41:58	6:45	20:50	6:42	#4517
15K	9.32 mi	11:06:38	1:02:57	6:45	20:59	6:45	#4542
20K	12.43 mi	11:27:38	1:23:57	6:45	21:00	6:46	#4393
Half	13.11 mi	11:32:09	1:28:28	6:45	4:31	6:37	#4350
25K	15.53 mi	11:48:27	1:44:46	6:45	16:18	6:43	#4162
30K	18.64 mi	12:09:29	2:05:48	6:45	21:02	6:46	#3836
20M	20.00 mi	12:18:43	2:15:02	6:45	9:14	6:48	#3711
21M	21.00 mi	12:25:46	2:22:05	6:46	7:03	7:03	#3578
35K	21.75 mi	12:30:41	2:27:00	6:46	4:55	6:34	#3525
23M	23.00 mi	12:39:10	2:35:29	6:46	8:29	6:47	#3414
24M	24.00 mi	12:45:40	2:41:59	6:45	6:30	6:30	#3319
40K	24.85 mi	12:51:24	2:47:43	6:45	5:44	6:42	#3247
25.2M	25.20 mi	12:53:51	2:50:10	6:45	2:27	7:06	#3213
Finish	26.22 mi	13:00:19	2:56:38	6:45	6:28	6:21	#3095

Faster pace

Steady pace

Slower pace

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M40-44	Seg. Overall	Seg. Males	Seg. M40-44
5K	3.11 mi	3.11 mi	4682	4356	4356	4627(Top 17%)	4320(Top 28%)	4320(Top 193%)
10K	6.21 mi	3.10 mi	4517+165	4220+136	4220+136	4365(Top 16%)	4084(Top 27%)	4084(Top 182%)
15K	9.32 mi	3.11 mi	4542-25	4242-22	4242-22	4627(Top 17%)	4320(Top 28%)	4320(Top 193%)
20K	12.43 mi	3.11 mi	4393+149	4109+133	4109+133	4050(Top 15%)	3796(Top 25%)	3796(Top 169%)
Half	13.11 mi	0.68 mi	4350+43	4073+36	4073+36	3548(Top 13%)	3356(Top 22%)	3356(Top 150%)
25K	15.53 mi	2.42 mi	4162+188	3901+172	3901+172	3530(Top 13%)	3335(Top 22%)	3335(Top 149%)
30K	18.64 mi	3.11 mi	3836+326	3618+283	3618+283	2807(Top 11%)	2663(Top 18%)	2663(Top 119%)
20M	20.00 mi	1.36 mi	3711+125	3504+114	3504+114	2779(Top 10%)	2626(Top 17%)	2626(Top 117%)
21M	21.00 mi	1.00 mi	3578+133	3386+118	3386+118	2397(Top 9%)	2266(Top 15%)	2266(Top 101%)
35K	21.75 mi	0.75 mi	3525+53	3339+47	3339+47	2839(Top 11%)	2666(Top 18%)	2666(Top 119%)
23M	23.00 mi	1.25 mi	3414+111	3230+109	3230+109	2521(Top 9%)	2367(Top 16%)	2367(Top 106%)
24M	24.00 mi	1.00 mi	3319+95	3142+88	3142+88	2105(Top 8%)	1975(Top 13%)	1975(Top 88%)
40K	24.85 mi	0.85 mi	3247+72	3073+69	3073+69	2376(Top 9%)	2206(Top 15%)	2206(Top 98%)
25.2M	25.20 mi	0.35 mi	3213+34	3039+34	3039+34	2145(Top 8%)	2001(Top 13%)	2001(Top 89%)
Finish	26.22 mi	1.02 mi	3095+118	2930+109	2930+109	1820(Top 7%)	1704(Top 11%)	1704(Top 76%)

1704

Passing Analysis

Category:

Athletes Passed

1979

Passed By

392

Net Change

+1587

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#4682
5K → 10K	295	130	+165	#4682	#4517
10K → 15K	108	133	-25	#4517	#4542
15K → 20K	189	40	+149	#4542	#4393
20K → Half	47	4	+43	#4393	#4350
Half → 25K	201	13	+188	#4350	#4162
25K → 30K	334	8	+326	#4162	#3836
30K → 20M	132	7	+125	#3836	#3711
20M → 21M	137	4	+133	#3711	#3578
21M → 35K	66	13	+53	#3578	#3525
35K → 23M	125	14	+111	#3525	#3414
23M → 24M	100	5	+95	#3414	#3319
24M → 40K	82	10	+72	#3319	#3247
40K → 25.2M	38	4	+34	#3247	#3213
25.2M → Finish	125	7	+118	#3213	#3095
TOTALS	1979	392	+1587

📊

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 2 days ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Boston Athletic Association

Race timed by

Mika Timing

Thomas Bellsky

⏱️ 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