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BOSTON MARATHON 2023

Michael Niezgoda

Bib: 4063•M

FL

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 29%
Gender (Male)
#0 / 15176
Top 43%
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
20:52
Rank: #3830
Start → 5K
20:52 | 6:43/mi
10K· 6.21 mi
41:44
Rank: #4158 (-328)
5K → 10K
20:52 | 6:43/mi
15K· 9.32 mi
1:03:18
Rank: #4924 (-766)
10K → 15K
21:34 | 6:56/mi
20K· 12.43 mi
1:24:53
Rank: #5135 (-211)
15K → 20K
21:35 | 6:57/mi
Half· 13.11 mi
1:29:38
Rank: #5239 (-104)
20K → Half
4:45 | 6:58/mi
25K· 15.53 mi
1:48:08
Rank: #5980 (-741)
Half → 25K
18:30 | 7:38/mi
30K· 18.64 mi
2:13:09
Rank: #6636 (-656)
25K → 30K
25:01 | 8:03/mi
20M
2:23:39
Rank: #6720 (-84)
30K → 20M
10:30 | 7:44/mi
21M
2:31:48
Rank: #6752 (-32)
20M → 21M
8:09 | 8:09/mi
35K· 21.75 mi
2:37:29
Rank: #6793 (-41)
21M → 35K
5:41 | 7:36/mi
23M
2:47:41
Rank: #6937 (-144)
35K → 23M
10:12 | 8:09/mi
24M
2:55:53
Rank: #7140 (-203)
23M → 24M
8:12 | 8:12/mi
40K· 24.85 mi
3:03:09
Rank: #7324 (-184)
24M → 40K
7:16 | 8:30/mi
25.2M
3:06:33
Rank: #7478 (-154)
40K → 25.2M
3:24 | 9:52/mi
Finish· 26.22 mi
3:15:09
Rank: #7775 (-297)
25.2M → Finish
8:36 | 8:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:38
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:45:31
Pace8:03 /mi
📊Positive Split: 17.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3920:526:4320:52
6:43
-
10K
6.21 mi10:43:3141:446:4320:52
6:43
0:00
15K
9.32 mi11:05:051:03:186:4721:34
6:56
+0:13
20K
12.43 mi11:26:401:24:536:5021:35
6:57
+0:01
Half
13.11 mi11:31:251:29:386:504:45
6:58
+0:01
25K
15.53 mi11:49:551:48:086:5818:30
7:38
+0:40
30K
18.64 mi12:14:562:13:097:0925:01
8:03
+0:25
20M
20.00 mi12:25:262:23:397:1110:30
7:44
-0:19
21M
21.00 mi12:33:352:31:487:148:09
8:09
+0:25
35K
21.75 mi12:39:162:37:297:145:41
7:36
-0:33
23M
23.00 mi12:49:282:47:417:1710:12
8:09
+0:33
24M
24.00 mi12:57:402:55:537:208:12
8:12
+0:03
40K
24.85 mi13:04:563:03:097:227:16
8:30
+0:18
25.2M
25.20 mi13:08:203:06:337:243:24
9:52
+1:22
Finish
26.22 mi13:16:563:15:097:278:36
8:26
-1:26

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

6:43 /mi

Average Pace

7:27 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:38

46% of race

Time at Steady Pace

59:42

31% of race

Time at Slower Pace

45:49

23% of race

Average Pace: 7:27 /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 mi10:22:3920:526:4320:52
6:43
#3830
10K
6.21 mi10:43:3141:446:4320:52
6:43
#4158
15K
9.32 mi11:05:051:03:186:4721:34
6:56
#4924
20K
12.43 mi11:26:401:24:536:5021:35
6:57
#5135
Half
13.11 mi11:31:251:29:386:504:45
6:58
#5239
25K
15.53 mi11:49:551:48:086:5818:30
7:38
#5980
30K
18.64 mi12:14:562:13:097:0925:01
8:03
#6636
20M
20.00 mi12:25:262:23:397:1110:30
7:44
#6720
21M
21.00 mi12:33:352:31:487:148:09
8:09
#6752
35K
21.75 mi12:39:162:37:297:145:41
7:36
#6793
23M
23.00 mi12:49:282:47:417:1710:12
8:09
#6937
24M
24.00 mi12:57:402:55:537:208:12
8:12
#7140
40K
24.85 mi13:04:563:03:097:227:16
8:30
#7324
25.2M
25.20 mi13:08:203:06:337:243:24
9:52
#7478
Finish
26.22 mi13:16:563:15:097:278:36
8:26
#7775
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3830360136016216(Top 23%)5635(Top 37%)5635(Top 107%)
10K6.21 mi3.10 mi4158-3283904-3033904-3034521(Top 17%)4226(Top 28%)4226(Top 80%)
15K9.32 mi3.11 mi4924-7664580-6764580-6766216(Top 23%)5635(Top 37%)5635(Top 107%)
20K12.43 mi3.11 mi5135-2114762-1824762-1825661(Top 21%)5198(Top 34%)5198(Top 98%)
Half13.11 mi0.68 mi5239-1044856-944856-946359(Top 24%)5769(Top 38%)5769(Top 109%)
25K15.53 mi2.42 mi5980-7415468-6125468-6129761(Top 37%)7848(Top 52%)7848(Top 148%)
30K18.64 mi3.11 mi6636-6565942-4745942-47411294(Top 42%)8488(Top 56%)8488(Top 161%)
20M20.00 mi1.36 mi6720-845992-505992-508350(Top 31%)6803(Top 45%)6803(Top 129%)
21M21.00 mi1.00 mi6752-326006-146006-148281(Top 31%)6633(Top 44%)6633(Top 126%)
35K21.75 mi0.75 mi6793-416033-276033-279194(Top 35%)7171(Top 47%)7171(Top 136%)
23M23.00 mi1.25 mi6937-1446109-766109-7610772(Top 40%)7849(Top 52%)7849(Top 149%)
24M24.00 mi1.00 mi7140-2036233-1246233-12412550(Top 47%)8640(Top 57%)8640(Top 163%)
40K24.85 mi0.85 mi7324-1846332-996332-9913274(Top 50%)8892(Top 59%)8892(Top 168%)
25.2M25.20 mi0.35 mi7478-1546419-876419-8716719(Top 63%)10405(Top 69%)10405(Top 197%)
Finish26.22 mi1.02 mi7775-2976597-1786597-17814952(Top 56%)9694(Top 64%)9694(Top 183%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6216

Males

5635

M18-39

5635

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4521

Males

4226

M18-39

4226

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6216

Males

5635

M18-39

5635

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5661

Males

5198

M18-39

5198

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6359

Males

5769

M18-39

5769

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

9761

Males

7848

M18-39

7848

25K→30K

15.5 - 18.6 mi

Top 42%
×9stories
+181ft-148ft

Overall

11294

Males

8488

M18-39

8488

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

8350

Males

6803

M18-39

6803

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

8281

Males

6633

M18-39

6633

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

9194

Males

7171

M18-39

7171

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

10772

Males

7849

M18-39

7849

23M→24M

23.0 - 24.0 mi

Top 47%
×6stories
+12ft-82ft

Overall

12550

Males

8640

M18-39

8640

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

13274

Males

8892

M18-39

8892

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16719

Males

10405

M18-39

10405

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

14952

Males

9694

M18-39

9694

Passing Analysis

Category:
Athletes Passed
396
Passed By
4341
Net Change
-3945
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3830
5K → 10K90418-328#3830#4158
10K → 15K17783-766#4158#4924
15K → 20K55266-211#4924#5135
20K → Half4108-104#5135#5239
Half → 25K6747-741#5239#5980
25K → 30K24680-656#5980#6636
30K → 20M39123-84#6636#6720
20M → 21M5385-32#6720#6752
21M → 35K2667-41#6752#6793
35K → 23M35179-144#6793#6937
23M → 24M14217-203#6937#7140
24M → 40K15199-184#7140#7324
40K → 25.2M3157-154#7324#7478
25.2M → Finish15312-297#7478#7775
TOTALS3964341-3945
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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