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BOSTON MARATHON 2023

Brian Boisvert

Bib: 2258•M

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 6%
Division (M18-39)
#0 / 5285
Top 14%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:35
Rank: #1437
Start → 5K
6:18/mi
19:35 split
10K· 6.21 mi
38:20
Rank: #1133 (+304)
5K → 10K
6:02/mi
18:45 split
15K· 9.32 mi
57:45
Rank: #1183 (-50)
10K → 15K
6:15/mi
19:25 split
20K· 12.43 mi
1:17:43
Rank: #1323 (-140)
15K → 20K
6:26/mi
19:58 split
Half· 13.11 mi
1:21:53
Rank: #1305 (+18)
20K → Half
6:06/mi
4:10 split
25K· 15.53 mi
1:37:11
Rank: #1302 (+3)
Half → 25K
6:19/mi
15:18 split
30K· 18.64 mi
1:56:54
Rank: #1236 (+66)
25K → 30K
6:21/mi
19:43 split
20M
2:05:31
Rank: #1202 (+34)
30K → 20M
6:20/mi
8:37 split
21M
2:12:12
Rank: #1168 (+34)
20M → 21M
6:41/mi
6:41 split
35K· 21.75 mi
2:16:40
Rank: #1133 (+35)
21M → 35K
5:58/mi
4:28 split
23M
2:24:24
Rank: #1078 (+55)
35K → 23M
6:11/mi
7:44 split
24M
2:30:24
Rank: #1050 (+28)
23M → 24M
6:00/mi
6:00 split
40K· 24.85 mi
2:35:35
Rank: #989 (+61)
24M → 40K
6:04/mi
5:11 split
25.2M
2:37:55
Rank: #993 (-4)
40K → 25.2M
6:46/mi
2:20 split
Finish· 26.22 mi
2:44:01
Rank: #963 (+30)
25.2M → Finish
5:59/mi
6:06 split

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:21:53
Pace6:15 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:22:08
Pace6:16 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:2219:356:1819:35
6:18
-
10K
6.21 mi10:40:0738:206:1018:45
6:02
-0:16
15K
9.32 mi10:59:3257:456:1219:25
6:15
+0:13
20K
12.43 mi11:19:301:17:436:1519:58
6:26
+0:11
Half
13.11 mi11:23:401:21:536:154:10
6:06
-0:20
25K
15.53 mi11:38:581:37:116:1515:18
6:19
+0:13
30K
18.64 mi11:58:411:56:546:1619:43
6:21
+0:02
20M
20.00 mi12:07:182:05:316:178:37
6:20
-0:01
21M
21.00 mi12:13:592:12:126:186:41
6:41
+0:21
35K
21.75 mi12:18:272:16:406:174:28
5:58
-0:43
23M
23.00 mi12:26:112:24:246:177:44
6:11
+0:13
24M
24.00 mi12:32:112:30:246:166:00
6:00
-0:11
40K
24.85 mi12:37:222:35:356:165:11
6:04
+0:04
25.2M
25.20 mi12:39:422:37:556:162:20
6:46
+0:42
Finish
26.22 mi12:45:482:44:016:166:06
5:59
-0:47

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

5:58 /mi

Average Pace

6:16 /mi

Slowest Pace

6:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35:00

95% of race

Time at Steady Pace

9:01

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:15 /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 mi10:21:2219:356:1819:35
6:18
#1437
10K
6.21 mi10:40:0738:206:1018:45
6:02
#1133
15K
9.32 mi10:59:3257:456:1219:25
6:15
#1183
20K
12.43 mi11:19:301:17:436:1519:58
6:26
#1323
Half
13.11 mi11:23:401:21:536:154:10
6:06
#1305
25K
15.53 mi11:38:581:37:116:1515:18
6:19
#1302
30K
18.64 mi11:58:411:56:546:1619:43
6:21
#1236
20M
20.00 mi12:07:182:05:316:178:37
6:20
#1202
21M
21.00 mi12:13:592:12:126:186:41
6:41
#1168
35K
21.75 mi12:18:272:16:406:174:28
5:58
#1133
23M
23.00 mi12:26:112:24:246:177:44
6:11
#1078
24M
24.00 mi12:32:112:30:246:166:00
6:00
#1050
40K
24.85 mi12:37:222:35:356:165:11
6:04
#989
25.2M
25.20 mi12:39:422:37:556:162:20
6:46
#993
Finish
26.22 mi12:45:482:44:016:166:06
5:59
#963
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1437136613661423(Top 5%)1356(Top 9%)1356(Top 26%)
10K6.21 mi3.10 mi1133+3041070+2961070+296899(Top 3%)850(Top 6%)850(Top 16%)
15K9.32 mi3.11 mi1183-501123-531123-531423(Top 5%)1356(Top 9%)1356(Top 26%)
20K12.43 mi3.11 mi1323-1401260-1371260-1371896(Top 7%)1819(Top 12%)1819(Top 34%)
Half13.11 mi0.68 mi1305+181243+171243+171031(Top 4%)983(Top 6%)983(Top 19%)
25K15.53 mi2.42 mi1302+31242+11242+11367(Top 5%)1304(Top 9%)1304(Top 25%)
30K18.64 mi3.11 mi1236+661181+611181+611046(Top 4%)995(Top 7%)995(Top 19%)
20M20.00 mi1.36 mi1202+341148+331148+33963(Top 4%)920(Top 6%)920(Top 17%)
21M21.00 mi1.00 mi1168+341114+341114+341037(Top 4%)988(Top 7%)988(Top 19%)
35K21.75 mi0.75 mi1133+351080+341080+34633(Top 2%)595(Top 4%)595(Top 11%)
23M23.00 mi1.25 mi1078+551026+541026+54586(Top 2%)553(Top 4%)553(Top 10%)
24M24.00 mi1.00 mi1050+28998+28998+28555(Top 2%)525(Top 3%)525(Top 10%)
40K24.85 mi0.85 mi989+61940+58940+58432(Top 2%)405(Top 3%)405(Top 8%)
25.2M25.20 mi0.35 mi993-4944-4944-41038(Top 4%)985(Top 6%)985(Top 19%)
Finish26.22 mi1.02 mi963+30915+29915+29693(Top 3%)662(Top 4%)662(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1423

Males

1356

M18-39

1356

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

899

Males

850

M18-39

850

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1423

Males

1356

M18-39

1356

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1896

Males

1819

M18-39

1819

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1031

Males

983

M18-39

983

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1367

Males

1304

M18-39

1304

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1046

Males

995

M18-39

995

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

963

Males

920

M18-39

920

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1037

Males

988

M18-39

988

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

633

Males

595

M18-39

595

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

586

Males

553

M18-39

553

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

555

Males

525

M18-39

525

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

432

Males

405

M18-39

405

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1038

Males

985

M18-39

985

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

693

Males

662

M18-39

662

Passing Analysis

Category:
Athletes Passed
752
Passed By
278
Net Change
+474
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1437
5K → 10K3073+304#1437#1133
10K → 15K1565-50#1133#1183
15K → 20K12152-140#1183#1323
20K → Half191+18#1323#1305
Half → 25K2825+3#1305#1302
25K → 30K737+66#1302#1236
30K → 20M373+34#1236#1202
20M → 21M395+34#1202#1168
21M → 35K372+35#1168#1133
35K → 23M572+55#1133#1078
23M → 24M280+28#1078#1050
24M → 40K610+61#1050#989
40K → 25.2M59-4#989#993
25.2M → Finish344+30#993#963
TOTALS752278+474
📊

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