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BOSTON MARATHON 2023

Stuart Clennell

Bib: 3587•M

FL

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 20%
Gender (Male)
#0 / 15176
Top 31%
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
21:00
Rank: #4249
Start → 5K
21:00 | 6:46/mi
10K· 6.21 mi
44:08
Rank: #7118 (-2869)
5K → 10K
23:08 | 7:27/mi
15K· 9.32 mi
1:05:59
Rank: #6970 (+148)
10K → 15K
21:51 | 7:02/mi
20K· 12.43 mi
1:27:49
Rank: #6739 (+231)
15K → 20K
21:50 | 7:02/mi
Half· 13.11 mi
1:32:32
Rank: #6695 (+44)
20K → Half
4:43 | 6:55/mi
25K· 15.53 mi
1:50:19
Rank: #6774 (-79)
Half → 25K
17:47 | 7:20/mi
30K· 18.64 mi
2:12:42
Rank: #6505 (+269)
25K → 30K
22:23 | 7:12/mi
20M
2:22:27
Rank: #6361 (+144)
30K → 20M
9:45 | 7:10/mi
21M
2:29:56
Rank: #6221 (+140)
20M → 21M
7:29 | 7:29/mi
35K· 21.75 mi
2:34:55
Rank: #6100 (+121)
21M → 35K
4:59 | 6:40/mi
23M
2:43:44
Rank: #5920 (+180)
35K → 23M
8:49 | 7:03/mi
24M
2:50:22
Rank: #5729 (+191)
23M → 24M
6:38 | 6:38/mi
40K· 24.85 mi
2:56:04
Rank: #5553 (+176)
24M → 40K
5:42 | 6:40/mi
25.2M
2:58:26
Rank: #5440 (+113)
40K → 25.2M
2:22 | 6:52/mi
Finish· 26.22 mi
3:04:48
Rank: #5210 (+230)
25.2M → Finish
6:22 | 6:15/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:32:32
Pace7:04 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:32:16
Pace7:02 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:1621:006:4621:00
6:46
-
10K
6.21 mi10:45:2444:087:0623:08
7:27
+0:41
15K
9.32 mi11:07:151:05:597:0521:51
7:02
-0:25
20K
12.43 mi11:29:051:27:497:0421:50
7:02
0:00
Half
13.11 mi11:33:481:32:327:044:43
6:55
-0:07
25K
15.53 mi11:51:351:50:197:0617:47
7:20
+0:25
30K
18.64 mi12:13:582:12:427:0722:23
7:12
-0:08
20M
20.00 mi12:23:432:22:277:079:45
7:10
-0:02
21M
21.00 mi12:31:122:29:567:087:29
7:29
+0:19
35K
21.75 mi12:36:112:34:557:074:59
6:40
-0:49
23M
23.00 mi12:45:002:43:447:078:49
7:03
+0:23
24M
24.00 mi12:51:382:50:227:066:38
6:38
-0:25
40K
24.85 mi12:57:202:56:047:055:42
6:40
+0:02
25.2M
25.20 mi12:59:422:58:267:052:22
6:52
+0:12
Finish
26.22 mi13:06:043:04:487:036:22
6:15
-0:37

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

6:15 /mi

Average Pace

7:03 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

47:03

25% of race

Time at Steady Pace

1:47:08

58% of race

Time at Slower Pace

30:37

17% of race

Average Pace: 7:03 /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 mi10:22:1621:006:4621:00
6:46
#4249
10K
6.21 mi10:45:2444:087:0623:08
7:27
#7118
15K
9.32 mi11:07:151:05:597:0521:51
7:02
#6970
20K
12.43 mi11:29:051:27:497:0421:50
7:02
#6739
Half
13.11 mi11:33:481:32:327:044:43
6:55
#6695
25K
15.53 mi11:51:351:50:197:0617:47
7:20
#6774
30K
18.64 mi12:13:582:12:427:0722:23
7:12
#6505
20M
20.00 mi12:23:432:22:277:079:45
7:10
#6361
21M
21.00 mi12:31:122:29:567:087:29
7:29
#6221
35K
21.75 mi12:36:112:34:557:074:59
6:40
#6100
23M
23.00 mi12:45:002:43:447:078:49
7:03
#5920
24M
24.00 mi12:51:382:50:227:066:38
6:38
#5729
40K
24.85 mi12:57:202:56:047:055:42
6:40
#5553
25.2M
25.20 mi12:59:422:58:267:052:22
6:52
#5440
Finish
26.22 mi13:06:043:04:487:036:22
6:15
#5210
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4249397839786758(Top 25%)6056(Top 40%)6056(Top 115%)
10K6.21 mi3.10 mi7118-28696347-23696347-236910007(Top 38%)8168(Top 54%)8168(Top 155%)
15K9.32 mi3.11 mi6970+1486227+1206227+1206758(Top 25%)6056(Top 40%)6056(Top 115%)
20K12.43 mi3.11 mi6739+2316048+1796048+1796136(Top 23%)5572(Top 37%)5572(Top 105%)
Half13.11 mi0.68 mi6695+446014+346014+346033(Top 23%)5503(Top 36%)5503(Top 104%)
25K15.53 mi2.42 mi6774-796062-486062-487484(Top 28%)6468(Top 43%)6468(Top 122%)
30K18.64 mi3.11 mi6505+2695843+2195843+2195523(Top 21%)5010(Top 33%)5010(Top 95%)
20M20.00 mi1.36 mi6361+1445725+1185725+1184984(Top 19%)4530(Top 30%)4530(Top 86%)
21M21.00 mi1.00 mi6221+1405605+1205605+1204505(Top 17%)4107(Top 27%)4107(Top 78%)
35K21.75 mi0.75 mi6100+1215511+945511+943382(Top 13%)3152(Top 21%)3152(Top 60%)
23M23.00 mi1.25 mi5920+1805361+1505361+1504010(Top 15%)3691(Top 24%)3691(Top 70%)
24M24.00 mi1.00 mi5729+1915204+1575204+1572786(Top 10%)2595(Top 17%)2595(Top 49%)
40K24.85 mi0.85 mi5553+1765057+1475057+1472221(Top 8%)2072(Top 14%)2072(Top 39%)
25.2M25.20 mi0.35 mi5440+1134963+944963+941379(Top 5%)1309(Top 9%)1309(Top 25%)
Finish26.22 mi1.02 mi5210+2304767+1964767+1961457(Top 5%)1380(Top 9%)1380(Top 26%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

6758

Males

6056

M18-39

6056

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10007

Males

8168

M18-39

8168

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

6758

Males

6056

M18-39

6056

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6136

Males

5572

M18-39

5572

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6033

Males

5503

M18-39

5503

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7484

Males

6468

M18-39

6468

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5523

Males

5010

M18-39

5010

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

4984

Males

4530

M18-39

4530

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4505

Males

4107

M18-39

4107

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3382

Males

3152

M18-39

3152

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

4010

Males

3691

M18-39

3691

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2786

Males

2595

M18-39

2595

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2221

Males

2072

M18-39

2072

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1379

Males

1309

M18-39

1309

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1457

Males

1380

M18-39

1380

Passing Analysis

Category:
Athletes Passed
2166
Passed By
3127
Net Change
-961
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4249
5K → 10K12870-2869#4249#7118
10K → 15K22274+148#7118#6970
15K → 20K2409+231#6970#6739
20K → Half506+44#6739#6695
Half → 25K60139-79#6695#6774
25K → 30K2767+269#6774#6505
30K → 20M15410+144#6505#6361
20M → 21M1477+140#6361#6221
21M → 35K1221+121#6221#6100
35K → 23M1833+180#6100#5920
23M → 24M1921+191#5920#5729
24M → 40K1760+176#5729#5553
40K → 25.2M1130+113#5553#5440
25.2M → Finish2300+230#5440#5210
TOTALS21663127-961
📊

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