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BOSTON MARATHON 2023

Kirk Zmijewski

Bib: 5651•M

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:10
Rank: #12160
Start → 5K
24:10 | 7:47/mi
10K· 6.21 mi
49:20
Rank: #13902 (-1742)
5K → 10K
25:10 | 8:06/mi
15K· 9.32 mi
1:14:38
Rank: #14412 (-510)
10K → 15K
25:18 | 8:09/mi
20K· 12.43 mi
1:41:32
Rank: #15374 (-962)
15K → 20K
26:54 | 8:39/mi
Half· 13.11 mi
1:47:15
Rank: #15460 (-86)
20K → Half
5:43 | 8:23/mi
25K· 15.53 mi
2:08:38
Rank: #15908 (-448)
Half → 25K
21:23 | 8:49/mi
30K· 18.64 mi
2:37:39
Rank: #16505 (-597)
25K → 30K
29:01 | 9:20/mi
20M
2:50:17
Rank: #16626 (-121)
30K → 20M
12:38 | 9:18/mi
21M
3:03:58
Rank: #17739 (-1113)
20M → 21M
13:41 | 13:41/mi
35K· 21.75 mi
3:11:06
Rank: #17868 (-129)
21M → 35K
7:08 | 9:32/mi
23M
3:22:22
Rank: #17759 (+109)
35K → 23M
11:16 | 9:00/mi
24M
3:31:19
Rank: #17736 (+23)
23M → 24M
8:57 | 8:57/mi
40K· 24.85 mi
3:40:43
Rank: #18051 (-315)
24M → 40K
9:24 | 11:00/mi
25.2M
3:43:56
Rank: #17997 (+54)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:55:27
Rank: #18453 (-456)
25.2M → Finish
11:31 | 11:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:15
Pace8:11 /mi
2nd Half
Distance13.11 mi
Time2:08:12
Pace9:47 /mi
📊Positive Split: 19.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:5024:107:4724:10
7:47
-
10K
6.21 mi10:52:0049:207:5625:10
8:06
+0:19
15K
9.32 mi11:17:181:14:388:0025:18
8:09
+0:03
20K
12.43 mi11:44:121:41:328:1026:54
8:39
+0:30
Half
13.11 mi11:49:551:47:158:115:43
8:23
-0:16
25K
15.53 mi12:11:182:08:388:1721:23
8:49
+0:26
30K
18.64 mi12:40:192:37:398:2729:01
9:20
+0:31
20M
20.00 mi12:52:572:50:178:3112:38
9:18
-0:02
21M
21.00 mi13:06:383:03:588:4613:41
13:41
+4:23
35K
21.75 mi13:13:463:11:068:477:08
9:32
-4:09
23M
23.00 mi13:25:023:22:228:4811:16
9:00
-0:32
24M
24.00 mi13:33:593:31:198:488:57
8:57
-0:03
40K
24.85 mi13:43:233:40:438:539:24
11:00
+2:03
25.2M
25.20 mi13:46:363:43:568:533:13
9:20
-1:40
Finish
26.22 mi13:58:073:55:278:5911:31
11:18
+1:58

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

7:47 /mi

Average Pace

8:59 /mi

Slowest Pace

13:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:14:38

32% of race

Time at Steady Pace

2:06:13

54% of race

Time at Slower Pace

34:36

15% of race

Average Pace: 8:59 /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 mi10:26:5024:107:4724:10
7:47
#12160
10K
6.21 mi10:52:0049:207:5625:10
8:06
#13902
15K
9.32 mi11:17:181:14:388:0025:18
8:09
#14412
20K
12.43 mi11:44:121:41:328:1026:54
8:39
#15374
Half
13.11 mi11:49:551:47:158:115:43
8:23
#15460
25K
15.53 mi12:11:182:08:388:1721:23
8:49
#15908
30K
18.64 mi12:40:192:37:398:2729:01
9:20
#16505
20M
20.00 mi12:52:572:50:178:3112:38
9:18
#16626
21M
21.00 mi13:06:383:03:588:4613:41
13:41
#17739
35K
21.75 mi13:13:463:11:068:477:08
9:32
#17868
23M
23.00 mi13:25:023:22:228:4811:16
9:00
#17759
24M
24.00 mi13:33:593:31:198:488:57
8:57
#17736
40K
24.85 mi13:43:233:40:438:539:24
11:00
#18051
25.2M
25.20 mi13:46:363:43:568:533:13
9:20
#17997
Finish
26.22 mi13:58:073:55:278:5911:31
11:18
#18453
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi121609192919215448(Top 58%)10484(Top 69%)10484(Top 198%)
10K6.21 mi3.10 mi13902-17429902-7109902-71015515(Top 58%)10531(Top 69%)10531(Top 199%)
15K9.32 mi3.11 mi14412-51010089-18710089-18715448(Top 58%)10484(Top 69%)10484(Top 198%)
20K12.43 mi3.11 mi15374-96210440-35110440-35117848(Top 67%)11405(Top 75%)11405(Top 216%)
Half13.11 mi0.68 mi15460-8610467-2710467-2716987(Top 64%)11085(Top 73%)11085(Top 210%)
25K15.53 mi2.42 mi15908-44810612-14510612-14518056(Top 68%)11454(Top 75%)11454(Top 217%)
30K18.64 mi3.11 mi16505-59710798-18610798-18618776(Top 71%)11685(Top 77%)11685(Top 221%)
20M20.00 mi1.36 mi16626-12110835-3710835-3718000(Top 68%)11235(Top 74%)11235(Top 213%)
21M21.00 mi1.00 mi17739-111311286-45111286-45124747(Top 93%)14249(Top 94%)14249(Top 270%)
35K21.75 mi0.75 mi17868-12911325-3911325-3919936(Top 75%)12017(Top 79%)12017(Top 227%)
23M23.00 mi1.25 mi17759+10911261+6411261+6416065(Top 60%)10270(Top 68%)10270(Top 194%)
24M24.00 mi1.00 mi17736+2311243+1811243+1816988(Top 64%)10624(Top 70%)10624(Top 201%)
40K24.85 mi0.85 mi18051-31511360-11711360-11722320(Top 84%)12985(Top 86%)12985(Top 246%)
25.2M25.20 mi0.35 mi17997+5411334+2611334+2614310(Top 54%)9403(Top 62%)9403(Top 178%)
Finish26.22 mi1.02 mi18453-45611525-19111525-19124423(Top 92%)14033(Top 92%)14033(Top 266%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

15448

Males

10484

M18-39

10484

5K→10K

3.1 - 6.2 mi

Top 58%
×5stories
+79ft-138ft

Overall

15515

Males

10531

M18-39

10531

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

15448

Males

10484

M18-39

10484

15K→20K

9.3 - 12.4 mi

Top 67%
×5stories
+106ft-86ft

Overall

17848

Males

11405

M18-39

11405

20K→Half

12.4 - 13.1 mi

Top 64%
×2stories
+19ft-37ft

Overall

16987

Males

11085

M18-39

11085

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

18056

Males

11454

M18-39

11454

25K→30K

15.5 - 18.6 mi

Top 71%
×9stories
+181ft-148ft

Overall

18776

Males

11685

M18-39

11685

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

18000

Males

11235

M18-39

11235

20M→21M

20.0 - 21.0 mi

Top 93%
×8stories
+106ft-24ft

Overall

24747

Males

14249

M18-39

14249

21M→35K

21.0 - 21.8 mi

Top 75%
×7stories
+17ft-86ft

Overall

19936

Males

12017

M18-39

12017

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

16065

Males

10270

M18-39

10270

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

16988

Males

10624

M18-39

10624

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

22320

Males

12985

M18-39

12985

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

14310

Males

9403

M18-39

9403

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2stories
+22ft-21ft

Overall

24423

Males

14033

M18-39

14033

Passing Analysis

Category:
Athletes Passed
602
Passed By
6895
Net Change
-6293
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12160
5K → 10K241766-1742#12160#13902
10K → 15K58568-510#13902#14412
15K → 20K26988-962#14412#15374
20K → Half16102-86#15374#15460
Half → 25K52500-448#15460#15908
25K → 30K62659-597#15908#16505
30K → 20M44165-121#16505#16626
20M → 21M31116-1113#16626#17739
21M → 35K25154-129#17739#17868
35K → 23M14233+109#17868#17759
23M → 24M7754+23#17759#17736
24M → 40K10325-315#17736#18051
40K → 25.2M595+54#18051#17997
25.2M → Finish4460-456#17997#18453
TOTALS6026895-6293
📊

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