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BOSTON MARATHON 2023

Ian Lawyer

Bib: 10166•M

MD

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 24%
Gender (Male)
#0 / 15176
Top 38%
Masters (Masters Men)
#0 / 9891
Top 24%
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:44
Rank: #6224
Start → 5K
21:44 | 7:00/mi
10K· 6.21 mi
42:30
Rank: #5319 (+905)
5K → 10K
20:46 | 6:41/mi
15K· 9.32 mi
1:03:39
Rank: #5261 (+58)
10K → 15K
21:09 | 6:48/mi
20K· 12.43 mi
1:25:03
Rank: #5270 (-9)
15K → 20K
21:24 | 6:53/mi
Half· 13.11 mi
1:29:37
Rank: #5222 (+48)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:46:36
Rank: #5299 (-77)
Half → 25K
16:59 | 7:00/mi
30K· 18.64 mi
2:09:19
Rank: #5459 (-160)
25K → 30K
22:43 | 7:19/mi
20M
2:19:25
Rank: #5488 (-29)
30K → 20M
10:06 | 7:26/mi
21M
2:27:15
Rank: #5493 (-5)
20M → 21M
7:50 | 7:50/mi
35K· 21.75 mi
2:32:40
Rank: #5504 (-11)
21M → 35K
5:25 | 7:14/mi
23M
2:43:01
Rank: #5744 (-240)
35K → 23M
10:21 | 8:16/mi
24M
2:50:58
Rank: #5864 (-120)
23M → 24M
7:57 | 7:57/mi
40K· 24.85 mi
2:57:59
Rank: #5993 (-129)
24M → 40K
7:01 | 8:12/mi
25.2M
3:01:04
Rank: #6066 (-73)
40K → 25.2M
3:05 | 8:56/mi
Finish· 26.22 mi
3:10:12
Rank: #6469 (-403)
25.2M → Finish
9:08 | 8:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:37
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:40:35
Pace7:40 /mi
📊Positive Split: 12.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:5621:447:0021:44
7:00
-
10K
6.21 mi11:08:4242:306:5020:46
6:41
-0:19
15K
9.32 mi11:29:511:03:396:5021:09
6:48
+0:07
20K
12.43 mi11:51:151:25:036:5121:24
6:53
+0:05
Half
13.11 mi11:55:491:29:376:504:34
6:42
-0:11
25K
15.53 mi12:12:481:46:366:5216:59
7:00
+0:18
30K
18.64 mi12:35:312:09:196:5622:43
7:19
+0:19
20M
20.00 mi12:45:372:19:256:5810:06
7:26
+0:07
21M
21.00 mi12:53:272:27:157:017:50
7:50
+0:24
35K
21.75 mi12:58:522:32:407:015:25
7:14
-0:36
23M
23.00 mi13:09:132:43:017:0510:21
8:16
+1:02
24M
24.00 mi13:17:102:50:587:077:57
7:57
-0:19
40K
24.85 mi13:24:112:57:597:107:01
8:12
+0:15
25.2M
25.20 mi13:27:163:01:047:113:05
8:56
+0:44
Finish
26.22 mi13:36:243:10:127:169:08
8:58
+0:02

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

6:41 /mi

Average Pace

7:16 /mi

Slowest Pace

8:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:07:53

36% of race

Time at Steady Pace

1:16:57

40% of race

Time at Slower Pace

45:22

24% of race

Average Pace: 7:15 /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 mi10:47:5621:447:0021:44
7:00
#6224
10K
6.21 mi11:08:4242:306:5020:46
6:41
#5319
15K
9.32 mi11:29:511:03:396:5021:09
6:48
#5261
20K
12.43 mi11:51:151:25:036:5121:24
6:53
#5270
Half
13.11 mi11:55:491:29:376:504:34
6:42
#5222
25K
15.53 mi12:12:481:46:366:5216:59
7:00
#5299
30K
18.64 mi12:35:312:09:196:5622:43
7:19
#5459
20M
20.00 mi12:45:372:19:256:5810:06
7:26
#5488
21M
21.00 mi12:53:272:27:157:017:50
7:50
#5493
35K
21.75 mi12:58:522:32:407:015:25
7:14
#5504
23M
23.00 mi13:09:132:43:017:0510:21
8:16
#5744
24M
24.00 mi13:17:102:50:587:077:57
7:57
#5864
40K
24.85 mi13:24:112:57:597:107:01
8:12
#5993
25.2M
25.20 mi13:27:163:01:047:113:05
8:56
#6066
Finish
26.22 mi13:36:243:10:127:169:08
8:58
#6469
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6224567856785215(Top 20%)4823(Top 32%)4823(Top 215%)
10K6.21 mi3.10 mi5319+9054919+7594919+7594205(Top 16%)3943(Top 26%)3943(Top 176%)
15K9.32 mi3.11 mi5261+584874+454874+455215(Top 20%)4823(Top 32%)4823(Top 215%)
20K12.43 mi3.11 mi5270-94884-104884-105260(Top 20%)4861(Top 32%)4861(Top 217%)
Half13.11 mi0.68 mi5222+484843+414843+414347(Top 16%)4071(Top 27%)4071(Top 182%)
25K15.53 mi2.42 mi5299-774906-634906-635607(Top 21%)5153(Top 34%)5153(Top 230%)
30K18.64 mi3.11 mi5459-1605035-1295035-1296091(Top 23%)5432(Top 36%)5432(Top 242%)
20M20.00 mi1.36 mi5488-295048-135048-136351(Top 24%)5545(Top 37%)5545(Top 247%)
21M21.00 mi1.00 mi5493-55045+35045+36334(Top 24%)5438(Top 36%)5438(Top 243%)
35K21.75 mi0.75 mi5504-115052-75052-76743(Top 25%)5729(Top 38%)5729(Top 256%)
23M23.00 mi1.25 mi5744-2405222-1705222-17011601(Top 44%)8275(Top 55%)8275(Top 369%)
24M24.00 mi1.00 mi5864-1205304-825304-8210840(Top 41%)7813(Top 51%)7813(Top 349%)
40K24.85 mi0.85 mi5993-1295392-885392-8811354(Top 43%)7988(Top 53%)7988(Top 356%)
25.2M25.20 mi0.35 mi6066-735447-555447-5512067(Top 45%)8261(Top 54%)8261(Top 369%)
Finish26.22 mi1.02 mi6469-4035728-2815728-28117753(Top 67%)10937(Top 72%)10937(Top 488%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5215

Males

4823

M40-44

4823

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4205

Males

3943

M40-44

3943

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5215

Males

4823

M40-44

4823

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5260

Males

4861

M40-44

4861

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4347

Males

4071

M40-44

4071

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5607

Males

5153

M40-44

5153

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6091

Males

5432

M40-44

5432

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6351

Males

5545

M40-44

5545

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6334

Males

5438

M40-44

5438

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

6743

Males

5729

M40-44

5729

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

11601

Males

8275

M40-44

8275

23M→24M

23.0 - 24.0 mi

Top 41%
×6stories
+12ft-82ft

Overall

10840

Males

7813

M40-44

7813

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11354

Males

7988

M40-44

7988

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12067

Males

8261

M40-44

8261

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

17753

Males

10937

M40-44

10937

Passing Analysis

Category:
Athletes Passed
1589
Passed By
1834
Net Change
-245
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6224
5K → 10K91914+905#6224#5319
10K → 15K13678+58#5319#5261
15K → 20K112121-9#5261#5270
20K → Half513+48#5270#5222
Half → 25K73150-77#5222#5299
25K → 30K85245-160#5299#5459
30K → 20M4776-29#5459#5488
20M → 21M5358-5#5488#5493
21M → 35K3243-11#5493#5504
35K → 23M25265-240#5504#5744
23M → 24M25145-120#5744#5864
24M → 40K20149-129#5864#5993
40K → 25.2M780-73#5993#6066
25.2M → Finish4407-403#6066#6469
TOTALS15891834-245
📊

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