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BOSTON MARATHON 2023

Michael Lescarbeau

Bib: 13260•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
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
8:02/mi
24:57
↑ 97↓ 3451.5%
10K· 6.21 mi
8:00/mi
49:49
↑ 79↓ 1380.4%
15K· 9.32 mi
7:58/mi
1:14:35
↑ 67↓ 78
20K· 12.43 mi
7:58/mi
1:39:20
↑ 106↓ 860.1%
Half· 13.11 mi
7:58/mi
1:44:46
↑ 19↓ 370.5%
25K· 15.53 mi
8:00/mi
2:04:10
↑ 66↓ 880.2%
30K· 18.64 mi
8:12/mi
2:29:39
↑ 181↓ 1480.2%
20M
8:08/mi
2:40:42
↑ 64↓ 500.2%
21M
11:21/mi
2:52:03
↑ 106↓ 241.6%
35K· 21.75 mi
8:20/mi
2:58:17
↑ 17↓ 861.7%
23M
8:38/mi
3:09:05
↑ 23↓ 630.6%
24M
9:18/mi
3:18:23
↓ 821.3%
40K· 24.85 mi
10:39/mi
3:27:29
↓ 200.3%
25.2M
13:12/mi
3:32:02
↑ 13↓ 160.2%
Finish· 26.22 mi
10:59/mi
3:43:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:46
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time1:58:28
Pace9:02 /mi
📊Positive Split: 13.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0824:578:0224:57
8:02
-
10K
6.21 mi11:18:0049:498:0124:52
8:00
-0:02
15K
9.32 mi11:42:461:14:358:0024:46
7:58
-0:02
20K
12.43 mi12:07:311:39:208:0024:45
7:58
0:00
Half
13.11 mi12:12:571:44:467:595:26
7:58
0:00
25K
15.53 mi12:32:212:04:108:0019:24
8:00
+0:02
30K
18.64 mi12:57:502:29:398:0225:29
8:12
+0:12
20M
20.00 mi13:08:532:40:428:0211:03
8:08
-0:04
21M
21.00 mi13:20:142:52:038:1211:21
11:21
+3:13
35K
21.75 mi13:26:282:58:178:126:14
8:20
-3:01
23M
23.00 mi13:37:163:09:058:1310:48
8:38
+0:18
24M
24.00 mi13:46:343:18:238:169:18
9:18
+0:40
40K
24.85 mi13:55:403:27:298:219:06
10:39
+1:21
25.2M
25.20 mi14:00:133:32:028:254:33
13:12
+2:33
Finish
26.22 mi14:11:253:43:148:3111:12
10:59
-2:13

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

7:58 /mi

Average Pace

8:31 /mi

Slowest Pace

13:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:57:44

80% of race

Time at Slower Pace

45:30

20% of race

Average Pace: 8:31 /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 mi10:53:0824:578:0224:57
8:02
#14229
10K
6.21 mi11:18:0049:498:0124:52
8:00
#14503
15K
9.32 mi11:42:461:14:358:0024:46
7:58
#14365
20K
12.43 mi12:07:311:39:208:0024:45
7:58
#14043
Half
13.11 mi12:12:571:44:467:595:26
7:58
#14050
25K
15.53 mi12:32:212:04:108:0019:24
8:00
#13813
30K
18.64 mi12:57:502:29:398:0225:29
8:12
#13495
20M
20.00 mi13:08:532:40:428:0211:03
8:08
#13308
21M
21.00 mi13:20:142:52:038:1211:21
11:21
#14156
35K
21.75 mi13:26:282:58:178:126:14
8:20
#14151
23M
23.00 mi13:37:163:09:058:1310:48
8:38
#14099
24M
24.00 mi13:46:343:18:238:169:18
9:18
#14365
40K
24.85 mi13:55:403:27:298:219:06
10:39
#14768
25.2M
25.20 mi14:00:133:32:028:254:33
13:12
#15092
Finish
26.22 mi14:11:253:43:148:3111:12
10:59
#15726
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi14229100461004614154(Top 53%)9962(Top 66%)9962(Top 485%)
10K6.21 mi3.10 mi14503-27410141-9510141-9514826(Top 56%)10246(Top 68%)10246(Top 499%)
15K9.32 mi3.11 mi14365+13810072+6910072+6914154(Top 53%)9962(Top 66%)9962(Top 485%)
20K12.43 mi3.11 mi14043+3229916+1569916+15613143(Top 49%)9506(Top 63%)9506(Top 463%)
Half13.11 mi0.68 mi14050-79922-69922-614055(Top 53%)9938(Top 65%)9938(Top 484%)
25K15.53 mi2.42 mi13813+2379799+1239799+12312746(Top 48%)9247(Top 61%)9247(Top 451%)
30K18.64 mi3.11 mi13495+3189641+1589641+15812360(Top 46%)8957(Top 59%)8957(Top 437%)
20M20.00 mi1.36 mi13308+1879554+879554+8711240(Top 42%)8388(Top 55%)8388(Top 409%)
21M21.00 mi1.00 mi14156-8489855-3019855-30121576(Top 81%)12778(Top 84%)12778(Top 623%)
35K21.75 mi0.75 mi14151+59834+219834+2114271(Top 54%)9549(Top 63%)9549(Top 465%)
23M23.00 mi1.25 mi14099+529794+409794+4013932(Top 52%)9346(Top 62%)9346(Top 455%)
24M24.00 mi1.00 mi14365-2669879-859879-8518436(Top 69%)11282(Top 74%)11282(Top 550%)
40K24.85 mi0.85 mi14768-40310013-13410013-13421547(Top 81%)12610(Top 83%)12610(Top 615%)
25.2M25.20 mi0.35 mi15092-32410134-12110134-12124171(Top 91%)13874(Top 91%)13874(Top 676%)
Finish26.22 mi1.02 mi15726-63410378-24410378-24423945(Top 90%)13785(Top 91%)13785(Top 672%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21story building
+97ft-345ft

Overall

14154

Males

9962

M50-54

9962

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

14826

Males

10246

M50-54

10246

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+67ft-78ft

Overall

14154

Males

9962

M50-54

9962

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

13143

Males

9506

M50-54

9506

20K→Half

12.4 - 13.1 mi

Top 53%
×2story building
+19ft-37ft

Overall

14055

Males

9938

M50-54

9938

Half→25K

13.1 - 15.5 mi

Top 48%
×4story building
+66ft-88ft

Overall

12746

Males

9247

M50-54

9247

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

12360

Males

8957

M50-54

8957

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

11240

Males

8388

M50-54

8388

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

21576

Males

12778

M50-54

12778

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

14271

Males

9549

M50-54

9549

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

13932

Males

9346

M50-54

9346

23M→24M

23.0 - 24.0 mi

Top 69%
×6story building
+12ft-82ft

Overall

18436

Males

11282

M50-54

11282

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

21547

Males

12610

M50-54

12610

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

24171

Males

13874

M50-54

13874

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2story building
+22ft-21ft

Overall

23945

Males

13785

M50-54

13785

Passing Analysis

Category:
Athletes Passed
1878
Passed By
3375
Net Change
-1497
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14229
5K → 10K178452-274#14229#14503
10K → 15K254116+138#14503#14365
15K → 20K36644+322#14365#14043
20K → Half3643-7#14043#14050
Half → 25K26629+237#14050#13813
25K → 30K36749+318#13813#13495
30K → 20M20013+187#13495#13308
20M → 21M3851-848#13308#14156
21M → 35K4843+5#14156#14151
35K → 23M12169+52#14151#14099
23M → 24M23289-266#14099#14365
24M → 40K8411-403#14365#14768
40K → 25.2M3327-324#14768#15092
25.2M → Finish5639-634#15092#15726
TOTALS18783375-1497
📊

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