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BOSTON MARATHON 2023

David Lawrence

Bib: 9904•M

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 28%
Gender (Male)
#0 / 15176
Top 42%
Masters (Masters Men)
#0 / 9891
Top 29%
Division (M55-59)
#0 / 1422
Top 10%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:22
Rank: #7483
Start → 5K
22:22 | 7:12/mi
10K· 6.21 mi
44:01
Rank: #7004 (+479)
5K → 10K
21:39 | 6:58/mi
15K· 9.32 mi
1:05:40
Rank: #6757 (+247)
10K → 15K
21:39 | 6:58/mi
20K· 12.43 mi
1:27:45
Rank: #6707 (+50)
15K → 20K
22:05 | 7:06/mi
Half· 13.11 mi
1:32:34
Rank: #6712 (-5)
20K → Half
4:49 | 7:04/mi
25K· 15.53 mi
1:50:04
Rank: #6700 (+12)
Half → 25K
17:30 | 7:13/mi
30K· 18.64 mi
2:13:19
Rank: #6694 (+6)
25K → 30K
23:15 | 7:29/mi
20M
2:23:36
Rank: #6702 (-8)
30K → 20M
10:17 | 7:34/mi
21M
2:31:56
Rank: #6789 (-87)
20M → 21M
8:20 | 8:20/mi
35K· 21.75 mi
2:37:37
Rank: #6828 (-39)
21M → 35K
5:41 | 7:36/mi
23M
2:47:23
Rank: #6850 (-22)
35K → 23M
9:46 | 7:48/mi
24M
2:55:21
Rank: #6990 (-140)
23M → 24M
7:58 | 7:58/mi
40K· 24.85 mi
3:02:41
Rank: #7202 (-212)
24M → 40K
7:20 | 8:35/mi
25.2M
3:05:42
Rank: #7240 (-38)
40K → 25.2M
3:01 | 8:45/mi
Finish· 26.22 mi
3:14:00
Rank: #7442 (-202)
25.2M → Finish
8:18 | 8:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:34
Pace7:04 /mi
2nd Half
Distance13.11 mi
Time1:41:26
Pace7:44 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:0122:227:1222:22
7:12
-
10K
6.21 mi11:09:4044:017:0521:39
6:58
-0:14
15K
9.32 mi11:31:191:05:407:0321:39
6:58
0:00
20K
12.43 mi11:53:241:27:457:0422:05
7:06
+0:08
Half
13.11 mi11:58:131:32:347:044:49
7:04
-0:02
25K
15.53 mi12:15:431:50:047:0517:30
7:13
+0:09
30K
18.64 mi12:38:582:13:197:0923:15
7:29
+0:16
20M
20.00 mi12:49:152:23:367:1110:17
7:34
+0:05
21M
21.00 mi12:57:352:31:567:148:20
8:20
+0:46
35K
21.75 mi13:03:162:37:377:155:41
7:36
-0:44
23M
23.00 mi13:13:022:47:237:179:46
7:48
+0:12
24M
24.00 mi13:21:002:55:217:187:58
7:58
+0:10
40K
24.85 mi13:28:203:02:417:217:20
8:35
+0:37
25.2M
25.20 mi13:31:213:05:427:223:01
8:45
+0:10
Finish
26.22 mi13:39:393:14:007:248:18
8:09
-0:36

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

6:58 /mi

Average Pace

7:24 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:04

57% of race

Time at Steady Pace

48:59

25% of race

Time at Slower Pace

34:57

18% of race

Average Pace: 7:24 /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 mi10:48:0122:227:1222:22
7:12
#7483
10K
6.21 mi11:09:4044:017:0521:39
6:58
#7004
15K
9.32 mi11:31:191:05:407:0321:39
6:58
#6757
20K
12.43 mi11:53:241:27:457:0422:05
7:06
#6707
Half
13.11 mi11:58:131:32:347:044:49
7:04
#6712
25K
15.53 mi12:15:431:50:047:0517:30
7:13
#6700
30K
18.64 mi12:38:582:13:197:0923:15
7:29
#6694
20M
20.00 mi12:49:152:23:367:1110:17
7:34
#6702
21M
21.00 mi12:57:352:31:567:148:20
8:20
#6789
35K
21.75 mi13:03:162:37:377:155:41
7:36
#6828
23M
23.00 mi13:13:022:47:237:179:46
7:48
#6850
24M
24.00 mi13:21:002:55:217:187:58
7:58
#6990
40K
24.85 mi13:28:203:02:417:217:20
8:35
#7202
25.2M
25.20 mi13:31:213:05:427:223:01
8:45
#7240
Finish
26.22 mi13:39:393:14:007:248:18
8:09
#7442
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi7483663566356368(Top 24%)5751(Top 38%)5751(Top 404%)
10K6.21 mi3.10 mi7004+4796260+3756260+3756604(Top 25%)5936(Top 39%)5936(Top 417%)
15K9.32 mi3.11 mi6757+2476072+1886072+1886368(Top 24%)5751(Top 38%)5751(Top 404%)
20K12.43 mi3.11 mi6707+506021+516021+516597(Top 25%)5911(Top 39%)5911(Top 416%)
Half13.11 mi0.68 mi6712-56028-76028-76913(Top 26%)6170(Top 41%)6170(Top 434%)
25K15.53 mi2.42 mi6700+126008+206008+206779(Top 25%)5996(Top 40%)5996(Top 422%)
30K18.64 mi3.11 mi6694+65986+225986+227104(Top 27%)6139(Top 40%)6139(Top 432%)
20M20.00 mi1.36 mi6702-85977+95977+97271(Top 27%)6136(Top 40%)6136(Top 432%)
21M21.00 mi1.00 mi6789-876037-606037-609391(Top 35%)7278(Top 48%)7278(Top 512%)
35K21.75 mi0.75 mi6828-396060-236060-239189(Top 35%)7166(Top 47%)7166(Top 504%)
23M23.00 mi1.25 mi6850-226054+66054+68391(Top 32%)6633(Top 44%)6633(Top 466%)
24M24.00 mi1.00 mi6990-1406124-706124-7010959(Top 41%)7863(Top 52%)7863(Top 553%)
40K24.85 mi0.85 mi7202-2126257-1336257-13313775(Top 52%)9128(Top 60%)9128(Top 642%)
25.2M25.20 mi0.35 mi7240-386271-146271-1410926(Top 41%)7737(Top 51%)7737(Top 544%)
Finish26.22 mi1.02 mi7442-2026375-1046375-10413030(Top 49%)8775(Top 58%)8775(Top 617%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6368

Males

5751

M55-59

5751

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

6604

Males

5936

M55-59

5936

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6368

Males

5751

M55-59

5751

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

6597

Males

5911

M55-59

5911

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

6913

Males

6170

M55-59

6170

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

6779

Males

5996

M55-59

5996

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7104

Males

6139

M55-59

6139

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

7271

Males

6136

M55-59

6136

20M→21M

20.0 - 21.0 mi

Top 35%
×8stories
+106ft-24ft

Overall

9391

Males

7278

M55-59

7278

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

9189

Males

7166

M55-59

7166

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

8391

Males

6633

M55-59

6633

23M→24M

23.0 - 24.0 mi

Top 41%
×6stories
+12ft-82ft

Overall

10959

Males

7863

M55-59

7863

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13775

Males

9128

M55-59

9128

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

10926

Males

7737

M55-59

7737

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2stories
+22ft-21ft

Overall

13030

Males

8775

M55-59

8775

Passing Analysis

Category:
Athletes Passed
1430
Passed By
1389
Net Change
+41
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7483
5K → 10K53657+479#7483#7004
10K → 15K28235+247#7004#6757
15K → 20K12878+50#6757#6707
20K → Half1924-5#6707#6712
Half → 25K9078+12#6712#6700
25K → 30K116110+6#6700#6694
30K → 20M6169-8#6694#6702
20M → 21M39126-87#6702#6789
21M → 35K2564-39#6789#6828
35K → 23M5880-22#6828#6850
23M → 24M23163-140#6850#6990
24M → 40K14226-212#6990#7202
40K → 25.2M1957-38#7202#7240
25.2M → Finish20222-202#7240#7442
TOTALS14301389+41
📊

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