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BOSTON MARATHON 2023

Simon Lambert-Lemay

Bib: 372•M

QC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 1%
Gender (Male)
#0 / 15176
Top 2%
Division (M18-39)
#0 / 5285
Top 6%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:19
Rank: #165
Start → 5K
17:19 | 5:34/mi
10K· 6.21 mi
34:44
Rank: #171 (-6)
5K → 10K
17:25 | 5:36/mi
15K· 9.32 mi
52:21
Rank: #200 (-29)
10K → 15K
17:37 | 5:40/mi
20K· 12.43 mi
1:10:04
Rank: #197 (+3)
15K → 20K
17:43 | 5:42/mi
Half· 13.11 mi
1:13:52
Rank: #195 (+2)
20K → Half
3:48 | 5:34/mi
25K· 15.53 mi
1:27:57
Rank: #199 (-4)
Half → 25K
14:05 | 5:49/mi
30K· 18.64 mi
1:47:42
Rank: #285 (-86)
25K → 30K
19:45 | 6:21/mi
20M
1:56:02
Rank: #297 (-12)
30K → 20M
8:20 | 6:08/mi
21M
2:02:36
Rank: #306 (-9)
20M → 21M
6:34 | 6:34/mi
35K· 21.75 mi
2:07:08
Rank: #308 (-2)
21M → 35K
4:32 | 6:04/mi
23M
2:14:57
Rank: #310 (-2)
35K → 23M
7:49 | 6:15/mi
24M
2:21:09
Rank: #326 (-16)
23M → 24M
6:12 | 6:12/mi
40K· 24.85 mi
2:26:44
Rank: #339 (-13)
24M → 40K
5:35 | 6:32/mi
25.2M
2:29:09
Rank: #341 (-2)
40K → 25.2M
2:25 | 7:00/mi
Finish· 26.22 mi
2:35:43
Rank: #372 (-31)
25.2M → Finish
6:34 | 6:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:13:52
Pace5:38 /mi
2nd Half
Distance13.11 mi
Time1:21:51
Pace6:15 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:2217:195:3417:19
5:34
-
10K
6.21 mi10:34:4734:445:3517:25
5:36
+0:02
15K
9.32 mi10:52:2452:215:3717:37
5:40
+0:04
20K
12.43 mi11:10:071:10:045:3817:43
5:42
+0:02
Half
13.11 mi11:13:551:13:525:383:48
5:34
-0:08
25K
15.53 mi11:28:001:27:575:4014:05
5:49
+0:15
30K
18.64 mi11:47:451:47:425:4719:45
6:21
+0:32
20M
20.00 mi11:56:051:56:025:488:20
6:08
-0:13
21M
21.00 mi12:02:392:02:365:506:34
6:34
+0:26
35K
21.75 mi12:07:112:07:085:514:32
6:04
-0:30
23M
23.00 mi12:15:002:14:575:527:49
6:15
+0:11
24M
24.00 mi12:21:122:21:095:536:12
6:12
-0:03
40K
24.85 mi12:26:472:26:445:545:35
6:32
+0:20
25.2M
25.20 mi12:29:122:29:095:552:25
7:00
+0:28
Finish
26.22 mi12:35:462:35:435:576:34
6:27
-0:33

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

5:34 /mi

Average Pace

5:57 /mi

Slowest Pace

7:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:57

56% of race

Time at Steady Pace

26:53

17% of race

Time at Slower Pace

40:53

26% of race

Average Pace: 5:56 /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 mi10:17:2217:195:3417:19
5:34
#165
10K
6.21 mi10:34:4734:445:3517:25
5:36
#171
15K
9.32 mi10:52:2452:215:3717:37
5:40
#200
20K
12.43 mi11:10:071:10:045:3817:43
5:42
#197
Half
13.11 mi11:13:551:13:525:383:48
5:34
#195
25K
15.53 mi11:28:001:27:575:4014:05
5:49
#199
30K
18.64 mi11:47:451:47:425:4719:45
6:21
#285
20M
20.00 mi11:56:051:56:025:488:20
6:08
#297
21M
21.00 mi12:02:392:02:365:506:34
6:34
#306
35K
21.75 mi12:07:112:07:085:514:32
6:04
#308
23M
23.00 mi12:15:002:14:575:527:49
6:15
#310
24M
24.00 mi12:21:122:21:095:536:12
6:12
#326
40K
24.85 mi12:26:472:26:445:545:35
6:32
#339
25.2M
25.20 mi12:29:122:29:095:552:25
7:00
#341
Finish
26.22 mi12:35:462:35:435:576:34
6:27
#372
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi165165165215(Top 0.8%)187(Top 1%)187(Top 4%)
10K6.21 mi3.10 mi171-6171-6171-6203(Top 0.8%)176(Top 1%)176(Top 3%)
15K9.32 mi3.11 mi200-29173-2173-2215(Top 0.8%)187(Top 1%)187(Top 4%)
20K12.43 mi3.11 mi197+3172+1172+1199(Top 0.7%)175(Top 1%)175(Top 3%)
Half13.11 mi0.68 mi195+2170+2170+2176(Top 0.7%)155(Top 1%)155(Top 3%)
25K15.53 mi2.42 mi199-4174-4174-4291(Top 1%)263(Top 2%)263(Top 5%)
30K18.64 mi3.11 mi285-86254-80254-801075(Top 4%)1023(Top 7%)1023(Top 19%)
20M20.00 mi1.36 mi297-12266-12266-12525(Top 2%)491(Top 3%)491(Top 9%)
21M21.00 mi1.00 mi306-9275-9275-9775(Top 3%)732(Top 5%)732(Top 14%)
35K21.75 mi0.75 mi308-2277-2277-2802(Top 3%)759(Top 5%)759(Top 14%)
23M23.00 mi1.25 mi310-2279-2279-2689(Top 3%)649(Top 4%)649(Top 12%)
24M24.00 mi1.00 mi326-16295-16295-161003(Top 4%)949(Top 6%)949(Top 18%)
40K24.85 mi0.85 mi339-13307-12307-121618(Top 6%)1521(Top 10%)1521(Top 29%)
25.2M25.20 mi0.35 mi341-2309-2309-21703(Top 6%)1596(Top 11%)1596(Top 30%)
Finish26.22 mi1.02 mi372-31340-31340-312181(Top 8%)2021(Top 13%)2021(Top 38%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.8%
×21stories
+97ft-345ft

Overall

215

Males

187

M18-39

187

5K→10K

3.1 - 6.2 mi

Top 0.8%
×5stories
+79ft-138ft

Overall

203

Males

176

M18-39

176

10K→15K

6.2 - 9.3 mi

Top 0.8%
×3stories
+67ft-78ft

Overall

215

Males

187

M18-39

187

15K→20K

9.3 - 12.4 mi

Top 0.7%
×5stories
+106ft-86ft

Overall

199

Males

175

M18-39

175

20K→Half

12.4 - 13.1 mi

Top 0.7%
×2stories
+19ft-37ft

Overall

176

Males

155

M18-39

155

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

291

Males

263

M18-39

263

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1075

Males

1023

M18-39

1023

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

525

Males

491

M18-39

491

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

775

Males

732

M18-39

732

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

802

Males

759

M18-39

759

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

689

Males

649

M18-39

649

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1003

Males

949

M18-39

949

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1618

Males

1521

M18-39

1521

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1703

Males

1596

M18-39

1596

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2181

Males

2021

M18-39

2021

Passing Analysis

Category:
Athletes Passed
55
Passed By
262
Net Change
-207
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#165
5K → 10K915-6#165#171
10K → 15K332-29#171#200
15K → 20K118+3#200#197
20K → Half20+2#197#195
Half → 25K610-4#195#199
25K → 30K086-86#199#285
30K → 20M113-12#285#297
20M → 21M514-9#297#306
21M → 35K02-2#306#308
35K → 23M57-2#308#310
23M → 24M319-16#310#326
24M → 40K518-13#326#339
40K → 25.2M13-2#339#341
25.2M → Finish435-31#341#372
TOTALS55262-207
📊

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