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BOSTON MARATHON 2023

Jason Piasecki

Bib: 6756•M

NC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 14%
Gender (Male)
#0 / 15176
Top 23%
Division (M18-39)
#0 / 5285
Top 47%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:16
Rank: #5086
Start → 5K
21:16 | 6:51/mi
10K· 6.21 mi
42:48
Rank: #5717 (-631)
5K → 10K
21:32 | 6:56/mi
15K· 9.32 mi
1:04:25
Rank: #5926 (-209)
10K → 15K
21:37 | 6:57/mi
20K· 12.43 mi
1:25:45
Rank: #5707 (+219)
15K → 20K
21:20 | 6:52/mi
Half· 13.11 mi
1:30:22
Rank: #5670 (+37)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:46:15
Rank: #5089 (+581)
Half → 25K
15:53 | 6:33/mi
30K· 18.64 mi
2:07:01
Rank: #4420 (+669)
25K → 30K
20:46 | 6:41/mi
20M
2:16:24
Rank: #4318 (+102)
30K → 20M
9:23 | 6:54/mi
21M
2:23:29
Rank: #4160 (+158)
20M → 21M
7:05 | 7:05/mi
35K· 21.75 mi
2:28:25
Rank: #4087 (+73)
21M → 35K
4:56 | 6:36/mi
23M
2:37:04
Rank: #4009 (+78)
35K → 23M
8:39 | 6:55/mi
24M
2:43:48
Rank: #3965 (+44)
23M → 24M
6:44 | 6:44/mi
40K· 24.85 mi
2:49:39
Rank: #3894 (+71)
24M → 40K
5:51 | 6:51/mi
25.2M
2:52:06
Rank: #3843 (+51)
40K → 25.2M
2:27 | 7:06/mi
Finish· 26.22 mi
2:58:30
Rank: #3658 (+185)
25.2M → Finish
6:24 | 6:17/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:30:22
Pace6:54 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:28:08
Pace6:43 /mi
📊Negative Split: 2.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:2621:166:5121:16
6:51
-
10K
6.21 mi10:45:5842:486:5321:32
6:56
+0:05
15K
9.32 mi11:07:351:04:256:5521:37
6:57
+0:01
20K
12.43 mi11:28:551:25:456:5421:20
6:52
-0:05
Half
13.11 mi11:33:321:30:226:544:37
6:46
-0:06
25K
15.53 mi11:49:251:46:156:5015:53
6:33
-0:13
30K
18.64 mi12:10:112:07:016:4920:46
6:41
+0:08
20M
20.00 mi12:19:342:16:246:499:23
6:54
+0:13
21M
21.00 mi12:26:392:23:296:507:05
7:05
+0:11
35K
21.75 mi12:31:352:28:256:494:56
6:36
-0:29
23M
23.00 mi12:40:142:37:046:508:39
6:55
+0:19
24M
24.00 mi12:46:582:43:486:506:44
6:44
-0:11
40K
24.85 mi12:52:492:49:396:505:51
6:51
+0:07
25.2M
25.20 mi12:55:162:52:066:502:27
7:06
+0:15
Finish
26.22 mi13:01:402:58:306:496:24
6:17
-0:49

Checkpoints & Pacing

📈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

6:17 /mi

Average Pace

6:49 /mi

Slowest Pace

7:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:10

66% of race

Time at Steady Pace

1:01:20

34% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:48 /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.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:24:2621:166:5121:16
6:51
#5086
10K
6.21 mi10:45:5842:486:5321:32
6:56
#5717
15K
9.32 mi11:07:351:04:256:5521:37
6:57
#5926
20K
12.43 mi11:28:551:25:456:5421:20
6:52
#5707
Half
13.11 mi11:33:321:30:226:544:37
6:46
#5670
25K
15.53 mi11:49:251:46:156:5015:53
6:33
#5089
30K
18.64 mi12:10:112:07:016:4920:46
6:41
#4420
20M
20.00 mi12:19:342:16:246:499:23
6:54
#4318
21M
21.00 mi12:26:392:23:296:507:05
7:05
#4160
35K
21.75 mi12:31:352:28:256:494:56
6:36
#4087
23M
23.00 mi12:40:142:37:046:508:39
6:55
#4009
24M
24.00 mi12:46:582:43:486:506:44
6:44
#3965
40K
24.85 mi12:52:492:49:396:505:51
6:51
#3894
25.2M
25.20 mi12:55:162:52:066:502:27
7:06
#3843
Finish
26.22 mi13:01:402:58:306:496:24
6:17
#3658
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5086471747176285(Top 24%)5680(Top 37%)5680(Top 107%)
10K6.21 mi3.10 mi5717-6315251-5345251-5346334(Top 24%)5724(Top 38%)5724(Top 108%)
15K9.32 mi3.11 mi5926-2095419-1685419-1686285(Top 24%)5680(Top 37%)5680(Top 107%)
20K12.43 mi3.11 mi5707+2195250+1695250+1695045(Top 19%)4668(Top 31%)4668(Top 88%)
Half13.11 mi0.68 mi5670+375224+265224+264897(Top 18%)4529(Top 30%)4529(Top 86%)
25K15.53 mi2.42 mi5089+5814722+5024722+5022440(Top 9%)2336(Top 15%)2336(Top 44%)
30K18.64 mi3.11 mi4420+6694129+5934129+5932326(Top 9%)2217(Top 15%)2217(Top 42%)
20M20.00 mi1.36 mi4318+1024039+904039+903458(Top 13%)3230(Top 21%)3230(Top 61%)
21M21.00 mi1.00 mi4160+1583897+1423897+1422567(Top 10%)2425(Top 16%)2425(Top 46%)
35K21.75 mi0.75 mi4087+733831+663831+662989(Top 11%)2800(Top 18%)2800(Top 53%)
23M23.00 mi1.25 mi4009+783759+723759+723288(Top 12%)3057(Top 20%)3057(Top 58%)
24M24.00 mi1.00 mi3965+443714+453714+453288(Top 12%)3043(Top 20%)3043(Top 58%)
40K24.85 mi0.85 mi3894+713650+643650+643030(Top 11%)2788(Top 18%)2788(Top 53%)
25.2M25.20 mi0.35 mi3843+513608+423608+422164(Top 8%)2020(Top 13%)2020(Top 38%)
Finish26.22 mi1.02 mi3658+1853439+1693439+1691567(Top 6%)1482(Top 10%)1482(Top 28%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6285

Males

5680

M18-39

5680

5K→10K

3.1 - 6.2 mi

Top 24%
×5stories
+79ft-138ft

Overall

6334

Males

5724

M18-39

5724

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6285

Males

5680

M18-39

5680

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

5045

Males

4668

M18-39

4668

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

4897

Males

4529

M18-39

4529

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2440

Males

2336

M18-39

2336

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2326

Males

2217

M18-39

2217

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3458

Males

3230

M18-39

3230

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2567

Males

2425

M18-39

2425

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

2989

Males

2800

M18-39

2800

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3288

Males

3057

M18-39

3057

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3288

Males

3043

M18-39

3043

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3030

Males

2788

M18-39

2788

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2164

Males

2020

M18-39

2020

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1567

Males

1482

M18-39

1482

Passing Analysis

Category:
Athletes Passed
2493
Passed By
1065
Net Change
+1428
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5086
5K → 10K37668-631#5086#5717
10K → 15K51260-209#5717#5926
15K → 20K24021+219#5926#5707
20K → Half414+37#5707#5670
Half → 25K5810+581#5670#5089
25K → 30K6701+669#5089#4420
30K → 20M12523+102#4420#4318
20M → 21M1646+158#4318#4160
21M → 35K807+73#4160#4087
35K → 23M10527+78#4087#4009
23M → 24M6925+44#4009#3965
24M → 40K8514+71#3965#3894
40K → 25.2M576+51#3894#3843
25.2M → Finish1883+185#3843#3658
TOTALS24931065+1428
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing