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BOSTON MARATHON 2023

Marc Lennon

Bib: 1472•M

CT

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 6%
Division (M18-39)
#0 / 5285
Top 14%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:20
Rank: #1171
Start → 5K
19:20 | 6:13/mi
10K· 6.21 mi
38:33
Rank: #1212 (-41)
5K → 10K
19:13 | 6:11/mi
15K· 9.32 mi
57:51
Rank: #1211 (+1)
10K → 15K
19:18 | 6:13/mi
20K· 12.43 mi
1:17:11
Rank: #1185 (+26)
15K → 20K
19:20 | 6:13/mi
Half· 13.11 mi
1:21:21
Rank: #1175 (+10)
20K → Half
4:10 | 6:06/mi
25K· 15.53 mi
1:36:31
Rank: #1165 (+10)
Half → 25K
15:10 | 6:15/mi
30K· 18.64 mi
1:55:55
Rank: #1081 (+84)
25K → 30K
19:24 | 6:15/mi
20M
2:04:27
Rank: #1044 (+37)
30K → 20M
8:32 | 6:17/mi
21M
2:11:05
Rank: #1010 (+34)
20M → 21M
6:38 | 6:38/mi
35K· 21.75 mi
2:15:39
Rank: #999 (+11)
21M → 35K
4:34 | 6:06/mi
23M
2:23:36
Rank: #979 (+20)
35K → 23M
7:57 | 6:21/mi
24M
2:29:46
Rank: #964 (+15)
23M → 24M
6:10 | 6:10/mi
40K· 24.85 mi
2:35:11
Rank: #953 (+11)
24M → 40K
5:25 | 6:20/mi
25.2M
2:37:31
Rank: #944 (+9)
40K → 25.2M
2:20 | 6:46/mi
Finish· 26.22 mi
2:43:47
Rank: #935 (+9)
25.2M → Finish
6:16 | 6:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:21
Pace6:12 /mi
2nd Half
Distance13.11 mi
Time1:22:26
Pace6:17 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:3819:206:1319:20
6:13
-
10K
6.21 mi10:38:5138:336:1219:13
6:11
-0:02
15K
9.32 mi10:58:0957:516:1219:18
6:13
+0:02
20K
12.43 mi11:17:291:17:116:1319:20
6:13
0:00
Half
13.11 mi11:21:391:21:216:124:10
6:06
-0:07
25K
15.53 mi11:36:491:36:316:1315:10
6:15
+0:09
30K
18.64 mi11:56:131:55:556:1319:24
6:15
0:00
20M
20.00 mi12:04:452:04:276:138:32
6:17
+0:02
21M
21.00 mi12:11:232:11:056:156:38
6:38
+0:21
35K
21.75 mi12:15:572:15:396:144:34
6:06
-0:32
23M
23.00 mi12:23:542:23:366:157:57
6:21
+0:15
24M
24.00 mi12:30:042:29:466:146:10
6:10
-0:11
40K
24.85 mi12:35:292:35:116:155:25
6:20
+0:10
25.2M
25.20 mi12:37:492:37:316:152:20
6:46
+0:26
Finish
26.22 mi12:44:052:43:476:156:16
6:09
-0:37

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

6:06 /mi

Average Pace

6:15 /mi

Slowest Pace

6:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:27

99% of race

Time at Steady Pace

2:20

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:15 /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 mi10:19:3819:206:1319:20
6:13
#1171
10K
6.21 mi10:38:5138:336:1219:13
6:11
#1212
15K
9.32 mi10:58:0957:516:1219:18
6:13
#1211
20K
12.43 mi11:17:291:17:116:1319:20
6:13
#1185
Half
13.11 mi11:21:391:21:216:124:10
6:06
#1175
25K
15.53 mi11:36:491:36:316:1315:10
6:15
#1165
30K
18.64 mi11:56:131:55:556:1319:24
6:15
#1081
20M
20.00 mi12:04:452:04:276:138:32
6:17
#1044
21M
21.00 mi12:11:232:11:056:156:38
6:38
#1010
35K
21.75 mi12:15:572:15:396:144:34
6:06
#999
23M
23.00 mi12:23:542:23:366:157:57
6:21
#979
24M
24.00 mi12:30:042:29:466:146:10
6:10
#964
40K
24.85 mi12:35:292:35:116:155:25
6:20
#953
25.2M
25.20 mi12:37:492:37:316:152:20
6:46
#944
Finish
26.22 mi12:44:052:43:476:156:16
6:09
#935
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1171110911091282(Top 5%)1220(Top 8%)1220(Top 23%)
10K6.21 mi3.10 mi1212-411149-401149-401281(Top 5%)1218(Top 8%)1218(Top 23%)
15K9.32 mi3.11 mi1211+11148+11148+11282(Top 5%)1220(Top 8%)1220(Top 23%)
20K12.43 mi3.11 mi1185+261128+201128+201113(Top 4%)1061(Top 7%)1061(Top 20%)
Half13.11 mi0.68 mi1175+101119+91119+91027(Top 4%)979(Top 6%)979(Top 19%)
25K15.53 mi2.42 mi1165+101110+91110+91155(Top 4%)1101(Top 7%)1101(Top 21%)
30K18.64 mi3.11 mi1081+841030+801030+80779(Top 3%)740(Top 5%)740(Top 14%)
20M20.00 mi1.36 mi1044+37993+37993+37830(Top 3%)790(Top 5%)790(Top 15%)
21M21.00 mi1.00 mi1010+34960+33960+33926(Top 3%)878(Top 6%)878(Top 17%)
35K21.75 mi0.75 mi999+11950+10950+10932(Top 4%)884(Top 6%)884(Top 17%)
23M23.00 mi1.25 mi979+20932+18932+18959(Top 4%)912(Top 6%)912(Top 17%)
24M24.00 mi1.00 mi964+15917+15917+15914(Top 3%)865(Top 6%)865(Top 16%)
40K24.85 mi0.85 mi953+11906+11906+11990(Top 4%)937(Top 6%)937(Top 18%)
25.2M25.20 mi0.35 mi944+9895+11895+111036(Top 4%)983(Top 6%)983(Top 19%)
Finish26.22 mi1.02 mi935+9888+7888+71120(Top 4%)1066(Top 7%)1066(Top 20%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1282

Males

1220

M18-39

1220

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1281

Males

1218

M18-39

1218

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1282

Males

1220

M18-39

1220

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1113

Males

1061

M18-39

1061

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1027

Males

979

M18-39

979

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1155

Males

1101

M18-39

1101

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

779

Males

740

M18-39

740

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

830

Males

790

M18-39

790

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

926

Males

878

M18-39

878

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

932

Males

884

M18-39

884

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

959

Males

912

M18-39

912

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

914

Males

865

M18-39

865

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

990

Males

937

M18-39

937

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1036

Males

983

M18-39

983

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1120

Males

1066

M18-39

1066

Passing Analysis

Category:
Athletes Passed
454
Passed By
218
Net Change
+236
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1171
5K → 10K4384-41#1171#1212
10K → 15K3736+1#1212#1211
15K → 20K4822+26#1211#1185
20K → Half100+10#1185#1175
Half → 25K2919+10#1175#1165
25K → 30K928+84#1165#1081
30K → 20M436+37#1081#1044
20M → 21M384+34#1044#1010
21M → 35K176+11#1010#999
35K → 23M266+20#999#979
23M → 24M194+15#979#964
24M → 40K165+11#964#953
40K → 25.2M134+9#953#944
25.2M → Finish2314+9#944#935
TOTALS454218+236
📊

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