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BOSTON MARATHON 2023

Paul Zielinski

Bib: 3089•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 9%
Division (M18-39)
#0 / 5285
Top 22%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:01
Rank: #1984
Start → 5K
20:01 | 6:27/mi
10K· 6.21 mi
39:20
Rank: #1693 (+291)
5K → 10K
19:19 | 6:13/mi
15K· 9.32 mi
58:44
Rank: #1588 (+105)
10K → 15K
19:24 | 6:15/mi
20K· 12.43 mi
1:18:07
Rank: #1451 (+137)
15K → 20K
19:23 | 6:14/mi
Half· 13.11 mi
1:22:20
Rank: #1440 (+11)
20K → Half
4:13 | 6:11/mi
25K· 15.53 mi
1:37:38
Rank: #1411 (+29)
Half → 25K
15:18 | 6:19/mi
30K· 18.64 mi
1:57:41
Rank: #1388 (+23)
25K → 30K
20:03 | 6:27/mi
20M
2:06:31
Rank: #1382 (+6)
30K → 20M
8:50 | 6:30/mi
21M
2:13:22
Rank: #1377 (+5)
20M → 21M
6:51 | 6:51/mi
35K· 21.75 mi
2:18:06
Rank: #1384 (-7)
21M → 35K
4:44 | 6:20/mi
23M
2:26:18
Rank: #1376 (+8)
35K → 23M
8:12 | 6:33/mi
24M
2:32:49
Rank: #1384 (-8)
23M → 24M
6:31 | 6:31/mi
40K· 24.85 mi
2:38:35
Rank: #1403 (-19)
24M → 40K
5:46 | 6:45/mi
25.2M
2:40:56
Rank: #1400 (+3)
40K → 25.2M
2:21 | 6:49/mi
Finish· 26.22 mi
2:47:53
Rank: #1463 (-63)
25.2M → Finish
6:57 | 6:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:20
Pace6:17 /mi
2nd Half
Distance13.11 mi
Time1:25:33
Pace6:32 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0820:016:2720:01
6:27
-
10K
6.21 mi10:40:2739:206:2019:19
6:13
-0:14
15K
9.32 mi10:59:5158:446:1819:24
6:15
+0:02
20K
12.43 mi11:19:141:18:076:1719:23
6:14
-0:01
Half
13.11 mi11:23:271:22:206:174:13
6:11
-0:03
25K
15.53 mi11:38:451:37:386:1715:18
6:19
+0:08
30K
18.64 mi11:58:481:57:416:1920:03
6:27
+0:08
20M
20.00 mi12:07:382:06:316:208:50
6:30
+0:03
21M
21.00 mi12:14:292:13:226:216:51
6:51
+0:21
35K
21.75 mi12:19:132:18:066:214:44
6:20
-0:31
23M
23.00 mi12:27:252:26:186:228:12
6:33
+0:13
24M
24.00 mi12:33:562:32:496:226:31
6:31
-0:02
40K
24.85 mi12:39:422:38:356:235:46
6:45
+0:14
25.2M
25.20 mi12:42:032:40:566:232:21
6:49
+0:04
Finish
26.22 mi12:49:002:47:536:246:57
6:49
0:00

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

6:11 /mi

Average Pace

6:24 /mi

Slowest Pace

6:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:31:44

90% of race

Time at Steady Pace

16:09

10% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:24 /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 mi10:21:0820:016:2720:01
6:27
#1984
10K
6.21 mi10:40:2739:206:2019:19
6:13
#1693
15K
9.32 mi10:59:5158:446:1819:24
6:15
#1588
20K
12.43 mi11:19:141:18:076:1719:23
6:14
#1451
Half
13.11 mi11:23:271:22:206:174:13
6:11
#1440
25K
15.53 mi11:38:451:37:386:1715:18
6:19
#1411
30K
18.64 mi11:58:481:57:416:1920:03
6:27
#1388
20M
20.00 mi12:07:382:06:316:208:50
6:30
#1382
21M
21.00 mi12:14:292:13:226:216:51
6:51
#1377
35K
21.75 mi12:19:132:18:066:214:44
6:20
#1384
23M
23.00 mi12:27:252:26:186:228:12
6:33
#1376
24M
24.00 mi12:33:562:32:496:226:31
6:31
#1384
40K
24.85 mi12:39:422:38:356:235:46
6:45
#1403
25.2M
25.20 mi12:42:032:40:566:232:21
6:49
#1400
Finish
26.22 mi12:49:002:47:536:246:57
6:49
#1463
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1984189318931402(Top 5%)1335(Top 9%)1335(Top 25%)
10K6.21 mi3.10 mi1693+2911617+2761617+2761415(Top 5%)1350(Top 9%)1350(Top 26%)
15K9.32 mi3.11 mi1588+1051517+1001517+1001402(Top 5%)1335(Top 9%)1335(Top 25%)
20K12.43 mi3.11 mi1451+1371384+1331384+1331172(Top 4%)1119(Top 7%)1119(Top 21%)
Half13.11 mi0.68 mi1440+111373+111373+111301(Top 5%)1249(Top 8%)1249(Top 24%)
25K15.53 mi2.42 mi1411+291348+251348+251377(Top 5%)1314(Top 9%)1314(Top 25%)
30K18.64 mi3.11 mi1388+231326+221326+221392(Top 5%)1333(Top 9%)1333(Top 25%)
20M20.00 mi1.36 mi1382+61320+61320+61441(Top 5%)1370(Top 9%)1370(Top 26%)
21M21.00 mi1.00 mi1377+51315+51315+51572(Top 6%)1496(Top 10%)1496(Top 28%)
35K21.75 mi0.75 mi1384-71320-51320-51657(Top 6%)1575(Top 10%)1575(Top 30%)
23M23.00 mi1.25 mi1376+81312+81312+81591(Top 6%)1511(Top 10%)1511(Top 29%)
24M24.00 mi1.00 mi1384-81320-81320-82144(Top 8%)2010(Top 13%)2010(Top 38%)
40K24.85 mi0.85 mi1403-191338-181338-182523(Top 9%)2337(Top 15%)2337(Top 44%)
25.2M25.20 mi0.35 mi1400+31335+31335+31258(Top 5%)1190(Top 8%)1190(Top 23%)
Finish26.22 mi1.02 mi1463-631396-611396-614133(Top 16%)3637(Top 24%)3637(Top 69%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1402

Males

1335

M18-39

1335

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1415

Males

1350

M18-39

1350

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1402

Males

1335

M18-39

1335

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1172

Males

1119

M18-39

1119

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1301

Males

1249

M18-39

1249

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1377

Males

1314

M18-39

1314

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1392

Males

1333

M18-39

1333

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1441

Males

1370

M18-39

1370

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1572

Males

1496

M18-39

1496

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1657

Males

1575

M18-39

1575

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1591

Males

1511

M18-39

1511

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2144

Males

2010

M18-39

2010

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2523

Males

2337

M18-39

2337

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1258

Males

1190

M18-39

1190

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4133

Males

3637

M18-39

3637

Passing Analysis

Category:
Athletes Passed
835
Passed By
314
Net Change
+521
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1984
5K → 10K30615+291#1984#1693
10K → 15K12722+105#1693#1588
15K → 20K1447+137#1588#1451
20K → Half132+11#1451#1440
Half → 25K4819+29#1440#1411
25K → 30K5835+23#1411#1388
30K → 20M2317+6#1388#1382
20M → 21M2419+5#1382#1377
21M → 35K1017-7#1377#1384
35K → 23M2921+8#1384#1376
23M → 24M2028-8#1376#1384
24M → 40K1433-19#1384#1403
40K → 25.2M107+3#1403#1400
25.2M → Finish972-63#1400#1463
TOTALS835314+521
📊

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