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BOSTON MARATHON 2023

Brett Boldemann

Bib: 1939•M

WA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 6%
Division (M18-39)
#0 / 5285
Top 13%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:29
Rank: #1332
Start → 5K
19:29 | 6:16/mi
10K· 6.21 mi
38:33
Rank: #1211 (+121)
5K → 10K
19:04 | 6:08/mi
15K· 9.32 mi
57:40
Rank: #1161 (+50)
10K → 15K
19:07 | 6:09/mi
20K· 12.43 mi
1:16:50
Rank: #1109 (+52)
15K → 20K
19:10 | 6:10/mi
Half· 13.11 mi
1:20:59
Rank: #1105 (+4)
20K → Half
4:09 | 6:05/mi
25K· 15.53 mi
1:35:57
Rank: #1061 (+44)
Half → 25K
14:58 | 6:10/mi
30K· 18.64 mi
1:55:27
Rank: #997 (+64)
25K → 30K
19:30 | 6:17/mi
20M
2:03:56
Rank: #965 (+32)
30K → 20M
8:29 | 6:15/mi
21M
2:10:37
Rank: #956 (+9)
20M → 21M
6:41 | 6:41/mi
35K· 21.75 mi
2:15:10
Rank: #949 (+7)
21M → 35K
4:33 | 6:05/mi
23M
2:22:59
Rank: #922 (+27)
35K → 23M
7:49 | 6:15/mi
24M
2:29:09
Rank: #898 (+24)
23M → 24M
6:10 | 6:10/mi
40K· 24.85 mi
2:34:35
Rank: #889 (+9)
24M → 40K
5:26 | 6:21/mi
25.2M
2:36:58
Rank: #893 (-4)
40K → 25.2M
2:23 | 6:55/mi
Finish· 26.22 mi
2:43:20
Rank: #887 (+6)
25.2M → Finish
6:22 | 6:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:59
Pace6:11 /mi
2nd Half
Distance13.11 mi
Time1:22:21
Pace6:17 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:1219:296:1619:29
6:16
-
10K
6.21 mi10:39:1638:336:1219:04
6:08
-0:08
15K
9.32 mi10:58:2357:406:1119:07
6:09
+0:01
20K
12.43 mi11:17:331:16:506:1119:10
6:10
+0:01
Half
13.11 mi11:21:421:20:596:114:09
6:05
-0:05
25K
15.53 mi11:36:401:35:576:1114:58
6:10
+0:05
30K
18.64 mi11:56:101:55:276:1219:30
6:17
+0:07
20M
20.00 mi12:04:392:03:566:128:29
6:15
-0:02
21M
21.00 mi12:11:202:10:376:136:41
6:41
+0:26
35K
21.75 mi12:15:532:15:106:134:33
6:05
-0:36
23M
23.00 mi12:23:422:22:596:137:49
6:15
+0:10
24M
24.00 mi12:29:522:29:096:136:10
6:10
-0:05
40K
24.85 mi12:35:182:34:356:135:26
6:21
+0:11
25.2M
25.20 mi12:37:412:36:586:142:23
6:55
+0:34
Finish
26.22 mi12:44:032:43:206:146:22
6:15
-0:40

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

6:05 /mi

Average Pace

6:14 /mi

Slowest Pace

6:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:57

99% of race

Time at Steady Pace

2:23

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:14 /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 mi10:20:1219:296:1619:29
6:16
#1332
10K
6.21 mi10:39:1638:336:1219:04
6:08
#1211
15K
9.32 mi10:58:2357:406:1119:07
6:09
#1161
20K
12.43 mi11:17:331:16:506:1119:10
6:10
#1109
Half
13.11 mi11:21:421:20:596:114:09
6:05
#1105
25K
15.53 mi11:36:401:35:576:1114:58
6:10
#1061
30K
18.64 mi11:56:101:55:276:1219:30
6:17
#997
20M
20.00 mi12:04:392:03:566:128:29
6:15
#965
21M
21.00 mi12:11:202:10:376:136:41
6:41
#956
35K
21.75 mi12:15:532:15:106:134:33
6:05
#949
23M
23.00 mi12:23:422:22:596:137:49
6:15
#922
24M
24.00 mi12:29:522:29:096:136:10
6:10
#898
40K
24.85 mi12:35:182:34:356:135:26
6:21
#889
25.2M
25.20 mi12:37:412:36:586:142:23
6:55
#893
Finish
26.22 mi12:44:032:43:206:146:22
6:15
#887
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1332126512651104(Top 4%)1051(Top 7%)1051(Top 20%)
10K6.21 mi3.10 mi1211+1211148+1171148+1171133(Top 4%)1075(Top 7%)1075(Top 20%)
15K9.32 mi3.11 mi1161+501101+471101+471104(Top 4%)1051(Top 7%)1051(Top 20%)
20K12.43 mi3.11 mi1109+521054+471054+47967(Top 4%)919(Top 6%)919(Top 17%)
Half13.11 mi0.68 mi1105+41050+41050+4960(Top 4%)914(Top 6%)914(Top 17%)
25K15.53 mi2.42 mi1061+441008+421008+42925(Top 3%)878(Top 6%)878(Top 17%)
30K18.64 mi3.11 mi997+64947+61947+61856(Top 3%)815(Top 5%)815(Top 15%)
20M20.00 mi1.36 mi965+32916+31916+31747(Top 3%)708(Top 5%)708(Top 13%)
21M21.00 mi1.00 mi956+9909+7909+71034(Top 4%)985(Top 6%)985(Top 19%)
35K21.75 mi0.75 mi949+7902+7902+7875(Top 3%)832(Top 5%)832(Top 16%)
23M23.00 mi1.25 mi922+27875+27875+27703(Top 3%)663(Top 4%)663(Top 13%)
24M24.00 mi1.00 mi898+24851+24851+24912(Top 3%)863(Top 6%)863(Top 16%)
40K24.85 mi0.85 mi889+9842+9842+91046(Top 4%)989(Top 7%)989(Top 19%)
25.2M25.20 mi0.35 mi893-4846-4846-41421(Top 5%)1338(Top 9%)1338(Top 25%)
Finish26.22 mi1.02 mi887+6841+5841+51417(Top 5%)1340(Top 9%)1340(Top 25%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1104

Males

1051

M18-39

1051

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1133

Males

1075

M18-39

1075

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1104

Males

1051

M18-39

1051

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

967

Males

919

M18-39

919

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

960

Males

914

M18-39

914

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

925

Males

878

M18-39

878

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

856

Males

815

M18-39

815

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

747

Males

708

M18-39

708

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1034

Males

985

M18-39

985

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

875

Males

832

M18-39

832

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

703

Males

663

M18-39

663

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

912

Males

863

M18-39

863

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1046

Males

989

M18-39

989

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1421

Males

1338

M18-39

1338

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1417

Males

1340

M18-39

1340

Passing Analysis

Category:
Athletes Passed
562
Passed By
117
Net Change
+445
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1332
5K → 10K14928+121#1332#1211
10K → 15K6616+50#1211#1161
15K → 20K608+52#1161#1109
20K → Half62+4#1109#1105
Half → 25K484+44#1105#1061
25K → 30K7410+64#1061#997
30K → 20M375+32#997#965
20M → 21M1910+9#965#956
21M → 35K103+7#956#949
35K → 23M292+27#949#922
23M → 24M262+24#922#898
24M → 40K134+9#898#889
40K → 25.2M59-4#889#893
25.2M → Finish2014+6#893#887
TOTALS562117+445
📊

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