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BOSTON MARATHON 2023

Scott Kirouac

Bib: 25332•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
27:34
Rank: #19854
Start → 5K
8:52/mi
27:34 split
10K· 6.21 mi
53:51
Rank: #18923 (+931)
5K → 10K
8:28/mi
26:17 split
15K· 9.32 mi
1:20:39
Rank: #18766 (+157)
10K → 15K
8:38/mi
26:48 split
20K· 12.43 mi
1:47:56
Rank: #18718 (+48)
15K → 20K
8:47/mi
27:17 split
Half· 13.11 mi
1:53:48
Rank: #18699 (+19)
20K → Half
8:36/mi
5:52 split
25K· 15.53 mi
2:16:41
Rank: #19077 (-378)
Half → 25K
9:26/mi
22:53 split
30K· 18.64 mi
2:46:36
Rank: #19297 (-220)
25K → 30K
9:38/mi
29:55 split
20M
2:59:49
Rank: #19321 (-24)
30K → 20M
9:44/mi
13:13 split
21M
3:10:39
Rank: #19409 (-88)
20M → 21M
10:50/mi
10:50 split
35K· 21.75 mi
3:17:48
Rank: #19440 (-31)
21M → 35K
9:33/mi
7:09 split
23M
3:30:52
Rank: #19595 (-155)
35K → 23M
10:26/mi
13:04 split
24M
3:41:37
Rank: #19808 (-213)
23M → 24M
10:45/mi
10:45 split
40K· 24.85 mi
3:51:16
Rank: #19996 (-188)
24M → 40K
11:17/mi
9:39 split
25.2M
3:55:02
Rank: #19999 (-3)
40K → 25.2M
10:55/mi
3:46 split
Finish· 26.22 mi
4:04:41
Rank: #19996 (+3)
25.2M → Finish
9:28/mi
9:39 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:48
Pace8:41 /mi
2nd Half
Distance13.11 mi
Time2:10:53
Pace9:59 /mi
📊Positive Split: 15.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:0727:348:5227:34
8:52
-
10K
6.21 mi12:09:2453:518:4026:17
8:28
-0:24
15K
9.32 mi12:36:121:20:398:3926:48
8:38
+0:10
20K
12.43 mi13:03:291:47:568:4127:17
8:47
+0:09
Half
13.11 mi13:09:211:53:488:415:52
8:36
-0:11
25K
15.53 mi13:32:142:16:418:4822:53
9:26
+0:50
30K
18.64 mi14:02:092:46:368:5629:55
9:38
+0:12
20M
20.00 mi14:15:222:59:498:5913:13
9:44
+0:06
21M
21.00 mi14:26:123:10:399:0510:50
10:50
+1:06
35K
21.75 mi14:33:213:17:489:067:09
9:33
-1:17
23M
23.00 mi14:46:253:30:529:1013:04
10:26
+0:53
24M
24.00 mi14:57:103:41:379:1410:45
10:45
+0:19
40K
24.85 mi15:06:493:51:169:189:39
11:17
+0:32
25.2M
25.20 mi15:10:353:55:029:203:46
10:55
-0:22
Finish
26.22 mi15:20:144:04:419:209:39
9:28
-1:27

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

8:28 /mi

Average Pace

9:20 /mi

Slowest Pace

11:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:48

47% of race

Time at Steady Pace

1:22:49

34% of race

Time at Slower Pace

48:04

20% of race

Average Pace: 9:20 /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 mi11:43:0727:348:5227:34
8:52
#19854
10K
6.21 mi12:09:2453:518:4026:17
8:28
#18923
15K
9.32 mi12:36:121:20:398:3926:48
8:38
#18766
20K
12.43 mi13:03:291:47:568:4127:17
8:47
#18718
Half
13.11 mi13:09:211:53:488:415:52
8:36
#18699
25K
15.53 mi13:32:142:16:418:4822:53
9:26
#19077
30K
18.64 mi14:02:092:46:368:5629:55
9:38
#19297
20M
20.00 mi14:15:222:59:498:5913:13
9:44
#19321
21M
21.00 mi14:26:123:10:399:0510:50
10:50
#19409
35K
21.75 mi14:33:213:17:489:067:09
9:33
#19440
23M
23.00 mi14:46:253:30:529:1013:04
10:26
#19595
24M
24.00 mi14:57:103:41:379:1410:45
10:45
#19808
40K
24.85 mi15:06:493:51:169:189:39
11:17
#19996
25.2M
25.20 mi15:10:353:55:029:203:46
10:55
#19999
Finish
26.22 mi15:20:144:04:419:209:39
9:28
#19996
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi19854121121211218594(Top 70%)11719(Top 77%)11719(Top 222%)
10K6.21 mi3.10 mi18923+93111806+30611806+30617991(Top 68%)11504(Top 76%)11504(Top 218%)
15K9.32 mi3.11 mi18766+15711762+4411762+4418594(Top 70%)11719(Top 77%)11719(Top 222%)
20K12.43 mi3.11 mi18718+4811753+911753+918565(Top 70%)11719(Top 77%)11719(Top 222%)
Half13.11 mi0.68 mi18699+1911744+911744+918316(Top 69%)11635(Top 77%)11635(Top 220%)
25K15.53 mi2.42 mi19077-37811896-15211896-15220625(Top 77%)12541(Top 83%)12541(Top 237%)
30K18.64 mi3.11 mi19297-22011963-6711963-6719894(Top 75%)12166(Top 80%)12166(Top 230%)
20M20.00 mi1.36 mi19321-2411959+411959+419621(Top 74%)11952(Top 79%)11952(Top 226%)
21M21.00 mi1.00 mi19409-8811982-2311982-2320453(Top 77%)12259(Top 81%)12259(Top 232%)
35K21.75 mi0.75 mi19440-3111991-911991-920017(Top 75%)12051(Top 79%)12051(Top 228%)
23M23.00 mi1.25 mi19595-15512055-6412055-6421154(Top 79%)12523(Top 83%)12523(Top 237%)
24M24.00 mi1.00 mi19808-21312133-7812133-7822552(Top 85%)13136(Top 87%)13136(Top 249%)
40K24.85 mi0.85 mi19996-18812193-6012193-6022863(Top 86%)13246(Top 87%)13246(Top 251%)
25.2M25.20 mi0.35 mi19999-312189+412189+420256(Top 76%)12045(Top 79%)12045(Top 228%)
Finish26.22 mi1.02 mi19996+312184+512184+520008(Top 75%)11986(Top 79%)11986(Top 227%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

18594

Males

11719

M18-39

11719

5K→10K

3.1 - 6.2 mi

Top 68%
×5story building
+79ft-138ft

Overall

17991

Males

11504

M18-39

11504

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

18594

Males

11719

M18-39

11719

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

18565

Males

11719

M18-39

11719

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

18316

Males

11635

M18-39

11635

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

20625

Males

12541

M18-39

12541

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

19894

Males

12166

M18-39

12166

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

19621

Males

11952

M18-39

11952

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

20453

Males

12259

M18-39

12259

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

20017

Males

12051

M18-39

12051

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

21154

Males

12523

M18-39

12523

23M→24M

23.0 - 24.0 mi

Top 85%
×6story building
+12ft-82ft

Overall

22552

Males

13136

M18-39

13136

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

22863

Males

13246

M18-39

13246

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

20256

Males

12045

M18-39

12045

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2story building
+22ft-21ft

Overall

20008

Males

11986

M18-39

11986

Passing Analysis

Category:
Athletes Passed
1946
Passed By
2088
Net Change
-142
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19854
5K → 10K101079+931#19854#18923
10K → 15K276119+157#18923#18766
15K → 20K182134+48#18766#18718
20K → Half3819+19#18718#18699
Half → 25K46424-378#18699#19077
25K → 30K102322-220#19077#19297
30K → 20M76100-24#19297#19321
20M → 21M55143-88#19321#19409
21M → 35K3061-31#19409#19440
35K → 23M38193-155#19440#19595
23M → 24M11224-213#19595#19808
24M → 40K18206-188#19808#19996
40K → 25.2M1821-3#19996#19999
25.2M → Finish4643+3#19999#19996
TOTALS19462088-142
📊

Passing Visuals

Category:
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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