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BOSTON MARATHON 2023

Lawrence Smith

Bib: 13211•M

MO

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 39%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 43%
Division (M60-64)
#0 / 1110
Top 10%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:11/mi
22:20
↑ 97↓ 3451.5%
10K· 6.21 mi
7:13/mi
44:45
↑ 79↓ 1380.4%
15K· 9.32 mi
7:18/mi
1:07:27
↑ 67↓ 78
20K· 12.43 mi
7:25/mi
1:30:31
↑ 106↓ 860.1%
Half· 13.11 mi
7:33/mi
1:35:40
↑ 19↓ 370.5%
25K· 15.53 mi
7:38/mi
1:54:10
↑ 66↓ 880.2%
30K· 18.64 mi
8:13/mi
2:19:42
↑ 181↓ 1480.2%
20M
8:03/mi
2:30:38
↑ 64↓ 500.2%
21M
9:04/mi
2:39:42
↑ 106↓ 241.6%
35K· 21.75 mi
8:05/mi
2:45:45
↑ 17↓ 861.7%
23M
8:26/mi
2:56:19
↑ 23↓ 630.6%
24M
8:24/mi
3:04:43
↓ 821.3%
40K· 24.85 mi
8:40/mi
3:12:08
↓ 200.3%
25.2M
9:11/mi
3:15:18
↑ 13↓ 160.2%
Finish· 26.22 mi
8:46/mi
3:24:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:40
Pace7:18 /mi
2nd Half
Distance13.11 mi
Time1:48:34
Pace8:17 /mi
📊Positive Split: 13.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:5922:207:1122:20
7:11
-
10K
6.21 mi11:13:2444:457:1222:25
7:13
+0:02
15K
9.32 mi11:36:061:07:277:1422:42
7:18
+0:05
20K
12.43 mi11:59:101:30:317:1723:04
7:25
+0:07
Half
13.11 mi12:04:191:35:407:185:09
7:33
+0:08
25K
15.53 mi12:22:491:54:107:2118:30
7:38
+0:05
30K
18.64 mi12:48:212:19:427:3025:32
8:13
+0:35
20M
20.00 mi12:59:172:30:387:3210:56
8:03
-0:10
21M
21.00 mi13:08:212:39:427:369:04
9:04
+1:01
35K
21.75 mi13:14:242:45:457:376:03
8:05
-0:59
23M
23.00 mi13:24:582:56:197:4010:34
8:26
+0:21
24M
24.00 mi13:33:223:04:437:428:24
8:24
-0:02
40K
24.85 mi13:40:473:12:087:447:25
8:40
+0:16
25.2M
25.20 mi13:43:573:15:187:453:10
9:11
+0:31
Finish
26.22 mi13:52:533:24:147:488:56
8:46
-0:25

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

7:11 /mi

Average Pace

7:48 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:10

56% of race

Time at Steady Pace

50:55

25% of race

Time at Slower Pace

39:09

19% of race

Average Pace: 7:47 /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 mi10:50:5922:207:1122:20
7:11
#7432
10K
6.21 mi11:13:2444:457:1222:25
7:13
#7780
15K
9.32 mi11:36:061:07:277:1422:42
7:18
#8019
20K
12.43 mi11:59:101:30:317:1723:04
7:25
#8128
Half
13.11 mi12:04:191:35:407:185:09
7:33
#8232
25K
15.53 mi12:22:491:54:107:2118:30
7:38
#8434
30K
18.64 mi12:48:212:19:427:3025:32
8:13
#9114
20M
20.00 mi12:59:172:30:387:3210:56
8:03
#9204
21M
21.00 mi13:08:212:39:427:369:04
9:04
#9473
35K
21.75 mi13:14:242:45:457:376:03
8:05
#9579
23M
23.00 mi13:24:582:56:197:4010:34
8:26
#9731
24M
24.00 mi13:33:223:04:437:428:24
8:24
#9906
40K
24.85 mi13:40:473:12:087:447:25
8:40
#10078
25.2M
25.20 mi13:43:573:15:187:453:10
9:11
#10121
Finish
26.22 mi13:52:533:24:147:488:56
8:46
#10425
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi7432659865988611(Top 32%)7320(Top 48%)7320(Top 659%)
10K6.21 mi3.10 mi7780-3486830-2326830-2328216(Top 31%)7094(Top 47%)7094(Top 639%)
15K9.32 mi3.11 mi8019-2396966-1366966-1368611(Top 32%)7320(Top 48%)7320(Top 659%)
20K12.43 mi3.11 mi8128-1097024-587024-588707(Top 33%)7322(Top 48%)7322(Top 660%)
Half13.11 mi0.68 mi8232-1047087-637087-6310561(Top 40%)8383(Top 55%)8383(Top 755%)
25K15.53 mi2.42 mi8434-2027192-1057192-1059775(Top 37%)7862(Top 52%)7862(Top 708%)
30K18.64 mi3.11 mi9114-6807577-3857577-38512448(Top 47%)8991(Top 59%)8991(Top 810%)
20M20.00 mi1.36 mi9204-907603-267603-2610579(Top 40%)8035(Top 53%)8035(Top 724%)
21M21.00 mi1.00 mi9473-2697740-1377740-13713757(Top 52%)9369(Top 62%)9369(Top 844%)
35K21.75 mi0.75 mi9579-1067793-537793-5312672(Top 48%)8836(Top 58%)8836(Top 796%)
23M23.00 mi1.25 mi9731-1527840-477840-4712821(Top 48%)8827(Top 58%)8827(Top 795%)
24M24.00 mi1.00 mi9906-1757907-677907-6713841(Top 52%)9238(Top 61%)9238(Top 832%)
40K24.85 mi0.85 mi10078-1727970-637970-6314336(Top 54%)9378(Top 62%)9378(Top 845%)
25.2M25.20 mi0.35 mi10121-437985-157985-1513459(Top 51%)8952(Top 59%)8952(Top 806%)
Finish26.22 mi1.02 mi10425-3048104-1198104-11916822(Top 63%)10523(Top 69%)10523(Top 948%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

8611

Males

7320

M60-64

7320

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8216

Males

7094

M60-64

7094

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

8611

Males

7320

M60-64

7320

15K→20K

9.3 - 12.4 mi

Top 33%
×5story building
+106ft-86ft

Overall

8707

Males

7322

M60-64

7322

20K→Half

12.4 - 13.1 mi

Top 40%
×2story building
+19ft-37ft

Overall

10561

Males

8383

M60-64

8383

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

9775

Males

7862

M60-64

7862

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

12448

Males

8991

M60-64

8991

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

10579

Males

8035

M60-64

8035

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

13757

Males

9369

M60-64

9369

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

12672

Males

8836

M60-64

8836

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

12821

Males

8827

M60-64

8827

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

13841

Males

9238

M60-64

9238

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

14336

Males

9378

M60-64

9378

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13459

Males

8952

M60-64

8952

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2story building
+22ft-21ft

Overall

16822

Males

10523

M60-64

10523

Passing Analysis

Category:
Athletes Passed
613*
Passed By
3604
Net Change
-2993
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7432
5K → 10K100448-348#7432#7780
10K → 15K55294-239#7780#8019
15K → 20K97206-109#8019#8128
20K → Half4108-104#8128#8232
Half → 25K56258-202#8232#8434
25K → 30K50730-680#8434#9114
30K → 20M54144-90#9114#9204
20M → 21M33302-269#9204#9473
21M → 35K23129-106#9473#9579
35K → 23M50202-152#9579#9731
23M → 24M27201-175#9731#9906
24M → 40K23194-172#9906#10078
40K → 25.2M25*68-43#10078#10121
25.2M → Finish16320-304#10121#10425
TOTALS613*3604-2993

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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