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BOSTON MARATHON 2023

Chris Langlais

Bib: 5566•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 25%
Masters (Masters Men)
#0 / 9891
Top 12%
Division (M40-44)
#0 / 2241
Top 29%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:39
Rank: #3220
Start → 5K
20:39 | 6:39/mi
10K· 6.21 mi
41:09
Rank: #3337 (-117)
5K → 10K
20:30 | 6:36/mi
15K· 9.32 mi
1:01:42
Rank: #3347 (-10)
10K → 15K
20:33 | 6:37/mi
20K· 12.43 mi
1:22:38
Rank: #3445 (-98)
15K → 20K
20:56 | 6:44/mi
Half· 13.11 mi
1:27:15
Rank: #3506 (-61)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:43:54
Rank: #3674 (-168)
Half → 25K
16:39 | 6:52/mi
30K· 18.64 mi
2:06:08
Rank: #4005 (-331)
25K → 30K
22:14 | 7:09/mi
20M
2:15:53
Rank: #4100 (-95)
30K → 20M
9:45 | 7:10/mi
21M
2:23:21
Rank: #4116 (-16)
20M → 21M
7:28 | 7:28/mi
35K· 21.75 mi
2:28:24
Rank: #4084 (+32)
21M → 35K
5:03 | 6:45/mi
23M
2:37:16
Rank: #4093 (-9)
35K → 23M
8:52 | 7:05/mi
24M
2:44:03
Rank: #4050 (+43)
23M → 24M
6:47 | 6:47/mi
40K· 24.85 mi
2:50:03
Rank: #4042 (+8)
24M → 40K
6:00 | 7:01/mi
25.2M
2:52:38
Rank: #4038 (+4)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
2:59:29
Rank: #4031 (+7)
25.2M → Finish
6:51 | 6:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:15
Pace6:39 /mi
2nd Half
Distance13.11 mi
Time1:32:14
Pace7:02 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:2520:396:3920:39
6:39
-
10K
6.21 mi10:43:5541:096:3720:30
6:36
-0:03
15K
9.32 mi11:04:281:01:426:3720:33
6:37
+0:01
20K
12.43 mi11:25:241:22:386:3920:56
6:44
+0:07
Half
13.11 mi11:30:011:27:156:394:37
6:46
+0:02
25K
15.53 mi11:46:401:43:546:4116:39
6:52
+0:06
30K
18.64 mi12:08:542:06:086:4622:14
7:09
+0:17
20M
20.00 mi12:18:392:15:536:489:45
7:10
+0:01
21M
21.00 mi12:26:072:23:216:507:28
7:28
+0:18
35K
21.75 mi12:31:102:28:246:495:03
6:45
-0:43
23M
23.00 mi12:40:022:37:166:508:52
7:05
+0:20
24M
24.00 mi12:46:492:44:036:506:47
6:47
-0:18
40K
24.85 mi12:52:492:50:036:516:00
7:01
+0:14
25.2M
25.20 mi12:55:242:52:386:512:35
7:29
+0:28
Finish
26.22 mi13:02:152:59:296:516:51
6:43
-0:46

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

6:36 /mi

Average Pace

6:51 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:26

94% of race

Time at Steady Pace

10:03

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:51 /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 mi10:23:2520:396:3920:39
6:39
#3220
10K
6.21 mi10:43:5541:096:3720:30
6:36
#3337
15K
9.32 mi11:04:281:01:426:3720:33
6:37
#3347
20K
12.43 mi11:25:241:22:386:3920:56
6:44
#3445
Half
13.11 mi11:30:011:27:156:394:37
6:46
#3506
25K
15.53 mi11:46:401:43:546:4116:39
6:52
#3674
30K
18.64 mi12:08:542:06:086:4622:14
7:09
#4005
20M
20.00 mi12:18:392:15:536:489:45
7:10
#4100
21M
21.00 mi12:26:072:23:216:507:28
7:28
#4116
35K
21.75 mi12:31:102:28:246:495:03
6:45
#4084
23M
23.00 mi12:40:022:37:166:508:52
7:05
#4093
24M
24.00 mi12:46:492:44:036:506:47
6:47
#4050
40K
24.85 mi12:52:492:50:036:516:00
7:01
#4042
25.2M
25.20 mi12:55:242:52:386:512:35
7:29
#4038
Finish
26.22 mi13:02:152:59:296:516:51
6:43
#4031
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3220303930393426(Top 13%)3248(Top 21%)3248(Top 145%)
10K6.21 mi3.10 mi3337-1173159-1203159-1203504(Top 13%)3317(Top 22%)3317(Top 148%)
15K9.32 mi3.11 mi3347-103175-163175-163426(Top 13%)3248(Top 21%)3248(Top 145%)
20K12.43 mi3.11 mi3445-983265-903265-903899(Top 15%)3674(Top 24%)3674(Top 164%)
Half13.11 mi0.68 mi3506-613321-563321-565087(Top 19%)4697(Top 31%)4697(Top 210%)
25K15.53 mi2.42 mi3674-1683471-1503471-1504742(Top 18%)4399(Top 29%)4399(Top 196%)
30K18.64 mi3.11 mi4005-3313769-2983769-2985260(Top 20%)4803(Top 32%)4803(Top 214%)
20M20.00 mi1.36 mi4100-953850-813850-815019(Top 19%)4552(Top 30%)4552(Top 203%)
21M21.00 mi1.00 mi4116-163860-103860-104455(Top 17%)4057(Top 27%)4057(Top 181%)
35K21.75 mi0.75 mi4084+323828+323828+323944(Top 15%)3619(Top 24%)3619(Top 161%)
23M23.00 mi1.25 mi4093-93834-63834-64258(Top 16%)3885(Top 26%)3885(Top 173%)
24M24.00 mi1.00 mi4050+433793+413793+413600(Top 14%)3299(Top 22%)3299(Top 147%)
40K24.85 mi0.85 mi4042+83784+93784+93980(Top 15%)3562(Top 23%)3562(Top 159%)
25.2M25.20 mi0.35 mi4038+43778+63778+63968(Top 15%)3511(Top 23%)3511(Top 157%)
Finish26.22 mi1.02 mi4031+73772+63772+63683(Top 14%)3275(Top 22%)3275(Top 146%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3426

Males

3248

M40-44

3248

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3504

Males

3317

M40-44

3317

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3426

Males

3248

M40-44

3248

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

3899

Males

3674

M40-44

3674

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5087

Males

4697

M40-44

4697

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

4742

Males

4399

M40-44

4399

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5260

Males

4803

M40-44

4803

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

5019

Males

4552

M40-44

4552

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4455

Males

4057

M40-44

4057

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

3944

Males

3619

M40-44

3619

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4258

Males

3885

M40-44

3885

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3600

Males

3299

M40-44

3299

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

3980

Males

3562

M40-44

3562

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

3968

Males

3511

M40-44

3511

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3683

Males

3275

M40-44

3275

Passing Analysis

Category:
Athletes Passed
765
Passed By
1576
Net Change
-811
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3220
5K → 10K129246-117#3220#3337
10K → 15K90100-10#3337#3347
15K → 20K49147-98#3347#3445
20K → Half566-61#3445#3506
Half → 25K43211-168#3506#3674
25K → 30K38369-331#3674#4005
30K → 20M28123-95#4005#4100
20M → 21M6783-16#4100#4116
21M → 35K5220+32#4116#4084
35K → 23M5867-9#4084#4093
23M → 24M7532+43#4093#4050
24M → 40K5244+8#4050#4042
40K → 25.2M2925+4#4042#4038
25.2M → Finish5043+7#4038#4031
TOTALS7651576-811
📊

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