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BOSTON MARATHON 2023

Jeff Lampert

Bib: 4230•M

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 7%
Masters (Masters Men)
#0 / 9891
Top 2%
Division (M40-44)
#0 / 2241
Top 5%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:47
Rank: #777
Start → 5K
18:47 | 6:03/mi
10K· 6.21 mi
37:16
Rank: #725 (+52)
5K → 10K
18:29 | 5:57/mi
15K· 9.32 mi
56:15
Rank: #793 (-68)
10K → 15K
18:59 | 6:07/mi
20K· 12.43 mi
1:15:43
Rank: #888 (-95)
15K → 20K
19:28 | 6:16/mi
Half· 13.11 mi
1:19:55
Rank: #899 (-11)
20K → Half
4:12 | 6:09/mi
25K· 15.53 mi
1:35:15
Rank: #959 (-60)
Half → 25K
15:20 | 6:19/mi
30K· 18.64 mi
1:55:32
Rank: #1012 (-53)
25K → 30K
20:17 | 6:32/mi
20M
2:04:31
Rank: #1054 (-42)
30K → 20M
8:59 | 6:37/mi
21M
2:11:31
Rank: #1072 (-18)
20M → 21M
7:00 | 7:00/mi
35K· 21.75 mi
2:16:13
Rank: #1073 (-1)
21M → 35K
4:42 | 6:17/mi
23M
2:24:21
Rank: #1075 (-2)
35K → 23M
8:08 | 6:30/mi
24M
2:30:46
Rank: #1096 (-21)
23M → 24M
6:25 | 6:25/mi
40K· 24.85 mi
2:36:26
Rank: #1106 (-10)
24M → 40K
5:40 | 6:38/mi
25.2M
2:38:57
Rank: #1119 (-13)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
2:45:33
Rank: #1143 (-24)
25.2M → Finish
6:36 | 6:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:55
Pace6:06 /mi
2nd Half
Distance13.11 mi
Time1:25:38
Pace6:32 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:3718:476:0318:47
6:03
-
10K
6.21 mi10:39:0637:166:0018:29
5:57
-0:06
15K
9.32 mi10:58:0556:156:0218:59
6:07
+0:10
20K
12.43 mi11:17:331:15:436:0619:28
6:16
+0:09
Half
13.11 mi11:21:451:19:556:064:12
6:09
-0:07
25K
15.53 mi11:37:051:35:156:0815:20
6:19
+0:10
30K
18.64 mi11:57:221:55:326:1220:17
6:32
+0:13
20M
20.00 mi12:06:212:04:316:148:59
6:37
+0:05
21M
21.00 mi12:13:212:11:316:167:00
7:00
+0:23
35K
21.75 mi12:18:032:16:136:164:42
6:17
-0:43
23M
23.00 mi12:26:112:24:216:178:08
6:30
+0:13
24M
24.00 mi12:32:362:30:466:176:25
6:25
-0:05
40K
24.85 mi12:38:162:36:266:185:40
6:38
+0:13
25.2M
25.20 mi12:40:472:38:576:182:31
7:18
+0:40
Finish
26.22 mi12:47:232:45:336:196:36
6:29
-0:49

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

5:57 /mi

Average Pace

6:19 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:00:27

37% of race

Time at Steady Pace

1:20:56

49% of race

Time at Slower Pace

24:10

15% of race

Average Pace: 6:19 /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 mi10:20:3718:476:0318:47
6:03
#777
10K
6.21 mi10:39:0637:166:0018:29
5:57
#725
15K
9.32 mi10:58:0556:156:0218:59
6:07
#793
20K
12.43 mi11:17:331:15:436:0619:28
6:16
#888
Half
13.11 mi11:21:451:19:556:064:12
6:09
#899
25K
15.53 mi11:37:051:35:156:0815:20
6:19
#959
30K
18.64 mi11:57:221:55:326:1220:17
6:32
#1012
20M
20.00 mi12:06:212:04:316:148:59
6:37
#1054
21M
21.00 mi12:13:212:11:316:167:00
7:00
#1072
35K
21.75 mi12:18:032:16:136:164:42
6:17
#1073
23M
23.00 mi12:26:112:24:216:178:08
6:30
#1075
24M
24.00 mi12:32:362:30:466:176:25
6:25
#1096
40K
24.85 mi12:38:162:36:266:185:40
6:38
#1106
25.2M
25.20 mi12:40:472:38:576:182:31
7:18
#1119
Finish
26.22 mi12:47:232:45:336:196:36
6:29
#1143
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi777729729997(Top 4%)948(Top 6%)948(Top 42%)
10K6.21 mi3.10 mi725+52681+48681+48695(Top 3%)651(Top 4%)651(Top 29%)
15K9.32 mi3.11 mi793-68748-67748-67997(Top 4%)948(Top 6%)948(Top 42%)
20K12.43 mi3.11 mi888-95840-92840-921268(Top 5%)1213(Top 8%)1213(Top 54%)
Half13.11 mi0.68 mi899-11851-11851-111189(Top 4%)1138(Top 7%)1138(Top 51%)
25K15.53 mi2.42 mi959-60910-59910-591413(Top 5%)1350(Top 9%)1350(Top 60%)
30K18.64 mi3.11 mi1012-53962-52962-521665(Top 6%)1592(Top 10%)1592(Top 71%)
20M20.00 mi1.36 mi1054-421003-411003-411879(Top 7%)1791(Top 12%)1791(Top 80%)
21M21.00 mi1.00 mi1072-181020-171020-172119(Top 8%)2000(Top 13%)2000(Top 89%)
35K21.75 mi0.75 mi1073-11021-11021-11488(Top 6%)1412(Top 9%)1412(Top 63%)
23M23.00 mi1.25 mi1075-21023-21023-21389(Top 5%)1317(Top 9%)1317(Top 59%)
24M24.00 mi1.00 mi1096-211044-211044-211719(Top 6%)1620(Top 11%)1620(Top 72%)
40K24.85 mi0.85 mi1106-101054-101054-102000(Top 8%)1870(Top 12%)1870(Top 83%)
25.2M25.20 mi0.35 mi1119-131066-121066-122842(Top 11%)2597(Top 17%)2597(Top 116%)
Finish26.22 mi1.02 mi1143-241089-231089-232346(Top 9%)2164(Top 14%)2164(Top 97%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

997

Males

948

M40-44

948

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

695

Males

651

M40-44

651

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

997

Males

948

M40-44

948

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1268

Males

1213

M40-44

1213

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1189

Males

1138

M40-44

1138

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1413

Males

1350

M40-44

1350

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1665

Males

1592

M40-44

1592

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1879

Males

1791

M40-44

1791

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2119

Males

2000

M40-44

2000

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1488

Males

1412

M40-44

1412

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1389

Males

1317

M40-44

1317

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1719

Males

1620

M40-44

1620

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2000

Males

1870

M40-44

1870

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

2842

Males

2597

M40-44

2597

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2346

Males

2164

M40-44

2164

Passing Analysis

Category:
Athletes Passed
202
Passed By
568
Net Change
-366
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#777
5K → 10K7220+52#777#725
10K → 15K674-68#725#793
15K → 20K5100-95#793#888
20K → Half415-11#888#899
Half → 25K868-60#899#959
25K → 30K2477-53#959#1012
30K → 20M1052-42#1012#1054
20M → 21M1432-18#1054#1072
21M → 35K910-1#1072#1073
35K → 23M1618-2#1073#1075
23M → 24M526-21#1075#1096
24M → 40K1626-10#1096#1106
40K → 25.2M316-13#1106#1119
25.2M → Finish1034-24#1119#1143
TOTALS202568-366
📊

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