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BOSTON MARATHON 2023

Bill Lannon

Bib: 29539•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 (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:51
Rank: #24877
Start → 5K
32:51 | 10:34/mi
10K· 6.21 mi
1:02:33
Rank: #23765 (+1112)
5K → 10K
29:42 | 9:34/mi
15K· 9.32 mi
1:32:08
Rank: #23328 (+437)
10K → 15K
29:35 | 9:31/mi
20K· 12.43 mi
2:03:22
Rank: #23270 (+58)
15K → 20K
31:14 | 10:03/mi
Half· 13.11 mi
2:09:45
Rank: #23178 (+92)
20K → Half
6:23 | 9:21/mi
25K· 15.53 mi
2:33:22
Rank: #22905 (+273)
Half → 25K
23:37 | 9:44/mi
30K· 18.64 mi
3:05:11
Rank: #22643 (+262)
25K → 30K
31:49 | 10:14/mi
20M
3:19:09
Rank: #22542 (+101)
30K → 20M
13:58 | 10:17/mi
21M
3:29:43
Rank: #22384 (+158)
20M → 21M
10:34 | 10:34/mi
35K· 21.75 mi
3:37:17
Rank: #22349 (+35)
21M → 35K
7:34 | 10:07/mi
23M
3:50:04
Rank: #22258 (+91)
35K → 23M
12:47 | 10:13/mi
24M
4:00:11
Rank: #22198 (+60)
23M → 24M
10:07 | 10:07/mi
40K· 24.85 mi
4:08:58
Rank: #22145 (+53)
24M → 40K
8:47 | 10:16/mi
25.2M
4:12:47
Rank: #22119 (+26)
40K → 25.2M
3:49 | 11:04/mi
Finish· 26.22 mi
4:22:47
Rank: #22088 (+31)
25.2M → Finish
10:00 | 9:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:45
Pace9:54 /mi
2nd Half
Distance13.11 mi
Time2:13:02
Pace10:09 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:4032:5110:3432:51
10:34
-
10K
6.21 mi12:20:221:02:3310:0429:42
9:34
-1:00
15K
9.32 mi12:49:571:32:089:5329:35
9:31
-0:03
20K
12.43 mi13:21:112:03:229:5631:14
10:03
+0:32
Half
13.11 mi13:27:342:09:459:546:23
9:21
-0:42
25K
15.53 mi13:51:112:33:229:5223:37
9:44
+0:23
30K
18.64 mi14:23:003:05:119:5631:49
10:14
+0:30
20M
20.00 mi14:36:583:19:099:5713:58
10:17
+0:03
21M
21.00 mi14:47:323:29:439:5910:34
10:34
+0:17
35K
21.75 mi14:55:063:37:179:597:34
10:07
-0:27
23M
23.00 mi15:07:533:50:0410:0012:47
10:13
+0:06
24M
24.00 mi15:18:004:00:1110:0010:07
10:07
-0:06
40K
24.85 mi15:26:474:08:5810:018:47
10:16
+0:09
25.2M
25.20 mi15:30:364:12:4710:023:49
11:04
+0:48
Finish
26.22 mi15:40:364:22:4710:0210:00
9:49
-1:15

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

9:21 /mi

Average Pace

10:02 /mi

Slowest Pace

11:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:35:33

82% of race

Time at Steady Pace

43:25

17% of race

Time at Slower Pace

3:49

1% of race

Average Pace: 10:01 /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 mi11:50:4032:5110:3432:51
10:34
#24877
10K
6.21 mi12:20:221:02:3310:0429:42
9:34
#23765
15K
9.32 mi12:49:571:32:089:5329:35
9:31
#23328
20K
12.43 mi13:21:112:03:229:5631:14
10:03
#23270
Half
13.11 mi13:27:342:09:459:546:23
9:21
#23178
25K
15.53 mi13:51:112:33:229:5223:37
9:44
#22905
30K
18.64 mi14:23:003:05:119:5631:49
10:14
#22643
20M
20.00 mi14:36:583:19:099:5713:58
10:17
#22542
21M
21.00 mi14:47:323:29:439:5910:34
10:34
#22384
35K
21.75 mi14:55:063:37:179:597:34
10:07
#22349
23M
23.00 mi15:07:533:50:0410:0012:47
10:13
#22258
24M
24.00 mi15:18:004:00:1110:0010:07
10:07
#22198
40K
24.85 mi15:26:474:08:5810:018:47
10:16
#22145
25.2M
25.20 mi15:30:364:12:4710:023:49
11:04
#22119
Finish
26.22 mi15:40:364:22:4710:0210:00
9:49
#22088
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi24877144801448022318(Top 84%)13327(Top 88%)13327(Top 592%)
10K6.21 mi3.10 mi23765+111213977+50313977+50322675(Top 85%)13473(Top 89%)13473(Top 598%)
15K9.32 mi3.11 mi23328+43713787+19013787+19022318(Top 84%)13327(Top 88%)13327(Top 592%)
20K12.43 mi3.11 mi23270+5813754+3313754+3323022(Top 86%)13643(Top 90%)13643(Top 606%)
Half13.11 mi0.68 mi23178+9213714+4013714+4021680(Top 81%)13043(Top 86%)13043(Top 579%)
25K15.53 mi2.42 mi22905+27313572+14213572+14221578(Top 81%)12953(Top 85%)12953(Top 575%)
30K18.64 mi3.11 mi22643+26213419+15313419+15321634(Top 81%)12910(Top 85%)12910(Top 573%)
20M20.00 mi1.36 mi22542+10113361+5813361+5821208(Top 80%)12666(Top 83%)12666(Top 562%)
21M21.00 mi1.00 mi22384+15813283+7813283+7819796(Top 74%)11964(Top 79%)11964(Top 531%)
35K21.75 mi0.75 mi22349+3513259+2413259+2421578(Top 81%)12745(Top 84%)12745(Top 566%)
23M23.00 mi1.25 mi22258+9113220+3913220+3920598(Top 77%)12287(Top 81%)12287(Top 546%)
24M24.00 mi1.00 mi22198+6013188+3213188+3221106(Top 79%)12475(Top 82%)12475(Top 554%)
40K24.85 mi0.85 mi22145+5313159+2913159+2920665(Top 78%)12222(Top 81%)12222(Top 543%)
25.2M25.20 mi0.35 mi22119+2613137+2213137+2220598(Top 77%)12205(Top 80%)12205(Top 542%)
Finish26.22 mi1.02 mi22088+3113110+2713110+2721194(Top 80%)12517(Top 82%)12517(Top 556%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21stories
+97ft-345ft

Overall

22318

Males

13327

M45-49

13327

5K→10K

3.1 - 6.2 mi

Top 85%
×5stories
+79ft-138ft

Overall

22675

Males

13473

M45-49

13473

10K→15K

6.2 - 9.3 mi

Top 84%
×3stories
+67ft-78ft

Overall

22318

Males

13327

M45-49

13327

15K→20K

9.3 - 12.4 mi

Top 86%
×5stories
+106ft-86ft

Overall

23022

Males

13643

M45-49

13643

20K→Half

12.4 - 13.1 mi

Top 81%
×2stories
+19ft-37ft

Overall

21680

Males

13043

M45-49

13043

Half→25K

13.1 - 15.5 mi

Top 81%
×4stories
+66ft-88ft

Overall

21578

Males

12953

M45-49

12953

25K→30K

15.5 - 18.6 mi

Top 81%
×9stories
+181ft-148ft

Overall

21634

Males

12910

M45-49

12910

30K→20M

18.6 - 20.0 mi

Top 80%
×5stories
+64ft-50ft

Overall

21208

Males

12666

M45-49

12666

20M→21M

20.0 - 21.0 mi

Top 74%
×8stories
+106ft-24ft

Overall

19796

Males

11964

M45-49

11964

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

21578

Males

12745

M45-49

12745

35K→23M

21.8 - 23.0 mi

Top 77%
×5stories
+23ft-63ft

Overall

20598

Males

12287

M45-49

12287

23M→24M

23.0 - 24.0 mi

Top 79%
×6stories
+12ft-82ft

Overall

21106

Males

12475

M45-49

12475

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

20665

Males

12222

M45-49

12222

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

20598

Males

12205

M45-49

12205

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

21194

Males

12517

M45-49

12517

Passing Analysis

Category:
Athletes Passed
3023
Passed By
234
Net Change
+2789
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24877
5K → 10K11175+1112#24877#23765
10K → 15K4436+437#23765#23328
15K → 20K14486+58#23328#23270
20K → Half953+92#23270#23178
Half → 25K2829+273#23178#22905
25K → 30K28523+262#22905#22643
30K → 20M11110+101#22643#22542
20M → 21M1635+158#22542#22384
21M → 35K5116+35#22384#22349
35K → 23M10514+91#22349#22258
23M → 24M7414+60#22258#22198
24M → 40K6916+53#22198#22145
40K → 25.2M315+26#22145#22119
25.2M → Finish5322+31#22119#22088
TOTALS3023234+2789
📊

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