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BOSTON MARATHON 2023

Stephen Lambert

Bib: 14391•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 48%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Top 41%
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
7:51/mi
24:23
↑ 97↓ 3451.5%
10K· 6.21 mi
7:50/mi
48:44
↑ 79↓ 1380.4%
15K· 9.32 mi
7:54/mi
1:13:16
↑ 67↓ 78
20K· 12.43 mi
7:59/mi
1:38:05
↑ 106↓ 860.1%
Half· 13.11 mi
7:56/mi
1:43:30
↑ 19↓ 370.5%
25K· 15.53 mi
8:00/mi
2:02:53
↑ 66↓ 880.2%
30K· 18.64 mi
8:13/mi
2:28:26
↑ 181↓ 1480.2%
20M
8:11/mi
2:39:33
↑ 64↓ 500.2%
21M
8:47/mi
2:48:20
↑ 106↓ 241.6%
35K· 21.75 mi
8:11/mi
2:54:27
↑ 17↓ 861.7%
23M
8:22/mi
3:04:56
↑ 23↓ 630.6%
24M
8:23/mi
3:13:19
↓ 821.3%
40K· 24.85 mi
8:31/mi
3:20:36
↓ 200.3%
25.2M
9:11/mi
3:23:46
↑ 13↓ 160.2%
Finish· 26.22 mi
8:19/mi
3:32:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:30
Pace7:54 /mi
2nd Half
Distance13.11 mi
Time1:48:45
Pace8:18 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:2924:237:5124:23
7:51
-
10K
6.21 mi11:17:5048:447:5124:21
7:50
-0:01
15K
9.32 mi11:42:221:13:167:5224:32
7:54
+0:04
20K
12.43 mi12:07:111:38:057:5424:49
7:59
+0:05
Half
13.11 mi12:12:361:43:307:545:25
7:56
-0:03
25K
15.53 mi12:31:592:02:537:5519:23
8:00
+0:04
30K
18.64 mi12:57:322:28:267:5825:33
8:13
+0:13
20M
20.00 mi13:08:392:39:337:5911:07
8:11
-0:02
21M
21.00 mi13:17:262:48:208:018:47
8:47
+0:36
35K
21.75 mi13:23:332:54:278:016:07
8:11
-0:36
23M
23.00 mi13:34:023:04:568:0210:29
8:22
+0:11
24M
24.00 mi13:42:253:13:198:038:23
8:23
+0:01
40K
24.85 mi13:49:423:20:368:047:17
8:31
+0:08
25.2M
25.20 mi13:52:523:23:468:053:10
9:11
+0:40
Finish
26.22 mi14:01:213:32:158:068:29
8:19
-0:52

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

7:50 /mi

Average Pace

8:06 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:20:18

94% of race

Time at Steady Pace

11:57

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:06 /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 mi10:53:2924:237:5124:23
7:51
#12811
10K
6.21 mi11:17:5048:447:5124:21
7:50
#13113
15K
9.32 mi11:42:221:13:167:5224:32
7:54
#13223
20K
12.43 mi12:07:111:38:057:5424:49
7:59
#13248
Half
13.11 mi12:12:361:43:307:545:25
7:56
#13273
25K
15.53 mi12:31:592:02:537:5519:23
8:00
#13138
30K
18.64 mi12:57:322:28:267:5825:33
8:13
#13008
20M
20.00 mi13:08:392:39:337:5911:07
8:11
#12855
21M
21.00 mi13:17:262:48:208:018:47
8:47
#12779
35K
21.75 mi13:23:332:54:278:016:07
8:11
#12793
23M
23.00 mi13:34:023:04:568:0210:29
8:22
#12759
24M
24.00 mi13:42:253:13:198:038:23
8:23
#12798
40K
24.85 mi13:49:423:20:368:047:17
8:31
#12821
25.2M
25.20 mi13:52:523:23:468:053:10
9:11
#12827
Finish
26.22 mi14:01:213:32:158:068:29
8:19
#12868
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi128119463946313485(Top 51%)9698(Top 64%)9698(Top 682%)
10K6.21 mi3.10 mi13113-3029582-1199582-11913441(Top 50%)9740(Top 64%)9740(Top 685%)
15K9.32 mi3.11 mi13223-1109617-359617-3513485(Top 51%)9698(Top 64%)9698(Top 682%)
20K12.43 mi3.11 mi13248-259599+189599+1813301(Top 50%)9576(Top 63%)9576(Top 673%)
Half13.11 mi0.68 mi13273-259607-89607-813828(Top 52%)9822(Top 65%)9822(Top 691%)
25K15.53 mi2.42 mi13138+1359547+609547+6012683(Top 48%)9204(Top 61%)9204(Top 647%)
30K18.64 mi3.11 mi13008+1309438+1099438+10912491(Top 47%)9016(Top 59%)9016(Top 634%)
20M20.00 mi1.36 mi12855+1539354+849354+8411549(Top 43%)8512(Top 56%)8512(Top 599%)
21M21.00 mi1.00 mi12779+769303+519303+5112146(Top 46%)8651(Top 57%)8651(Top 608%)
35K21.75 mi0.75 mi12793-149296+79296+713246(Top 50%)9087(Top 60%)9087(Top 639%)
23M23.00 mi1.25 mi12759+349257+399257+3912383(Top 47%)8639(Top 57%)8639(Top 608%)
24M24.00 mi1.00 mi12798-399251+69251+613736(Top 52%)9195(Top 61%)9195(Top 647%)
40K24.85 mi0.85 mi12821-239240+119240+1113447(Top 51%)8986(Top 59%)8986(Top 632%)
25.2M25.20 mi0.35 mi12827-69238+29238+213488(Top 51%)8981(Top 59%)8981(Top 632%)
Finish26.22 mi1.02 mi12868-419228+109228+1014224(Top 53%)9343(Top 62%)9343(Top 657%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

13485

Males

9698

M55-59

9698

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

13441

Males

9740

M55-59

9740

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

13485

Males

9698

M55-59

9698

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

13301

Males

9576

M55-59

9576

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

13828

Males

9822

M55-59

9822

Half→25K

13.1 - 15.5 mi

Top 48%
×4story building
+66ft-88ft

Overall

12683

Males

9204

M55-59

9204

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

12491

Males

9016

M55-59

9016

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

11549

Males

8512

M55-59

8512

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

12146

Males

8651

M55-59

8651

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

13246

Males

9087

M55-59

9087

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

12383

Males

8639

M55-59

8639

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

13736

Males

9195

M55-59

9195

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13447

Males

8986

M55-59

8986

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13488

Males

8981

M55-59

8981

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2story building
+22ft-21ft

Overall

14224

Males

9343

M55-59

9343

Passing Analysis

Category:
Athletes Passed
1665
Passed By
1722
Net Change
-57
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12811
5K → 10K190492-302#12811#13113
10K → 15K164274-110#13113#13223
15K → 20K185210-25#13223#13248
20K → Half2146-25#13248#13273
Half → 25K20974+135#13273#13138
25K → 30K261131+130#13138#13008
30K → 20M17724+153#13008#12855
20M → 21M12852+76#12855#12779
21M → 35K4963-14#12779#12793
35K → 23M9662+34#12793#12759
23M → 24M5695-39#12759#12798
24M → 40K5275-23#12798#12821
40K → 25.2M2531-6#12821#12827
25.2M → Finish5293-41#12827#12868
TOTALS16651722-57
📊

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