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BOSTON MARATHON 2023

Mark Leahy

Bib: 13713•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Top 41%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:23
Rank: #15220
Start → 5K
25:23 | 8:10/mi
10K· 6.21 mi
52:06
Rank: #17099 (-1879)
5K → 10K
26:43 | 8:36/mi
15K· 9.32 mi
1:19:40
Rank: #18152 (-1053)
10K → 15K
27:34 | 8:52/mi
20K· 12.43 mi
1:46:10
Rank: #17849 (+303)
15K → 20K
26:30 | 8:32/mi
Half· 13.11 mi
1:51:52
Rank: #17766 (+83)
20K → Half
5:42 | 8:21/mi
25K· 15.53 mi
2:13:18
Rank: #17824 (-58)
Half → 25K
21:26 | 8:50/mi
30K· 18.64 mi
2:41:36
Rank: #17767 (+57)
25K → 30K
28:18 | 9:07/mi
20M
2:52:58
Rank: #17405 (+362)
30K → 20M
11:22 | 8:22/mi
21M
3:01:46
Rank: #17125 (+280)
20M → 21M
8:48 | 8:48/mi
35K· 21.75 mi
3:07:39
Rank: #16925 (+200)
21M → 35K
5:53 | 7:52/mi
23M
3:19:17
Rank: #16957 (-32)
35K → 23M
11:38 | 9:17/mi
24M
3:27:23
Rank: #16749 (+208)
23M → 24M
8:06 | 8:06/mi
40K· 24.85 mi
3:34:32
Rank: #16590 (+159)
24M → 40K
7:09 | 8:22/mi
25.2M
3:37:39
Rank: #16523 (+67)
40K → 25.2M
3:07 | 9:02/mi
Finish· 26.22 mi
3:45:46
Rank: #16323 (+200)
25.2M → Finish
8:07 | 7:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:52
Pace8:32 /mi
2nd Half
Distance13.11 mi
Time1:53:54
Pace8:41 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:2725:238:1025:23
8:10
-
10K
6.21 mi11:21:1052:068:2326:43
8:36
+0:26
15K
9.32 mi11:48:441:19:408:3327:34
8:52
+0:16
20K
12.43 mi12:15:141:46:108:3326:30
8:32
-0:20
Half
13.11 mi12:20:561:51:528:325:42
8:21
-0:11
25K
15.53 mi12:42:222:13:188:3521:26
8:50
+0:29
30K
18.64 mi13:10:402:41:368:4028:18
9:07
+0:17
20M
20.00 mi13:22:022:52:588:3911:22
8:22
-0:45
21M
21.00 mi13:30:503:01:468:398:48
8:48
+0:26
35K
21.75 mi13:36:433:07:398:385:53
7:52
-0:56
23M
23.00 mi13:48:213:19:178:4011:38
9:17
+1:25
24M
24.00 mi13:56:273:27:238:388:06
8:06
-1:11
40K
24.85 mi14:03:363:34:328:387:09
8:22
+0:16
25.2M
25.20 mi14:06:433:37:398:383:07
9:02
+0:40
Finish
26.22 mi14:14:503:45:468:378:07
7:58
-1:04

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

7:52 /mi

Average Pace

8:37 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:55

55% of race

Time at Steady Pace

1:29:13

40% of race

Time at Slower Pace

11:38

5% of race

Average Pace: 8:37 /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 mi10:54:2725:238:1025:23
8:10
#15220
10K
6.21 mi11:21:1052:068:2326:43
8:36
#17099
15K
9.32 mi11:48:441:19:408:3327:34
8:52
#18152
20K
12.43 mi12:15:141:46:108:3326:30
8:32
#17849
Half
13.11 mi12:20:561:51:528:325:42
8:21
#17766
25K
15.53 mi12:42:222:13:188:3521:26
8:50
#17824
30K
18.64 mi13:10:402:41:368:4028:18
9:07
#17767
20M
20.00 mi13:22:022:52:588:3911:22
8:22
#17405
21M
21.00 mi13:30:503:01:468:398:48
8:48
#17125
35K
21.75 mi13:36:433:07:398:385:53
7:52
#16925
23M
23.00 mi13:48:213:19:178:4011:38
9:17
#16957
24M
24.00 mi13:56:273:27:238:388:06
8:06
#16749
40K
24.85 mi14:03:363:34:328:387:09
8:22
#16590
25.2M
25.20 mi14:06:433:37:398:383:07
9:02
#16523
Finish
26.22 mi14:14:503:45:468:378:07
7:58
#16323
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi15220104161041619902(Top 75%)12245(Top 81%)12245(Top 1103%)
10K6.21 mi3.10 mi17099-187911095-67911095-67918825(Top 71%)11826(Top 78%)11826(Top 1065%)
15K9.32 mi3.11 mi18152-105311514-41911514-41919902(Top 75%)12245(Top 81%)12245(Top 1103%)
20K12.43 mi3.11 mi17849+30311394+12011394+12017028(Top 64%)11069(Top 73%)11069(Top 997%)
Half13.11 mi0.68 mi17766+8311359+3511359+3516787(Top 63%)10988(Top 72%)10988(Top 990%)
25K15.53 mi2.42 mi17824-5811370-1111370-1118158(Top 68%)11497(Top 76%)11497(Top 1036%)
30K18.64 mi3.11 mi17767+5711331+3911331+3917721(Top 67%)11222(Top 74%)11222(Top 1011%)
20M20.00 mi1.36 mi17405+36211164+16711164+16712786(Top 48%)9043(Top 60%)9043(Top 815%)
21M21.00 mi1.00 mi17125+28011042+12211042+12212251(Top 46%)8705(Top 57%)8705(Top 784%)
35K21.75 mi0.75 mi16925+20010959+8310959+8311127(Top 42%)8196(Top 54%)8196(Top 738%)
23M23.00 mi1.25 mi16957-3210938+2110938+2117462(Top 66%)10895(Top 72%)10895(Top 982%)
24M24.00 mi1.00 mi16749+20810835+10310835+10311941(Top 45%)8382(Top 55%)8382(Top 755%)
40K24.85 mi0.85 mi16590+15910746+8910746+8912459(Top 47%)8540(Top 56%)8540(Top 769%)
25.2M25.20 mi0.35 mi16523+6710713+3310713+3312723(Top 48%)8636(Top 57%)8636(Top 778%)
Finish26.22 mi1.02 mi16323+20010629+8410629+8411862(Top 45%)8224(Top 54%)8224(Top 741%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

19902

Males

12245

M60-64

12245

5K→10K

3.1 - 6.2 mi

Top 71%
×5stories
+79ft-138ft

Overall

18825

Males

11826

M60-64

11826

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

19902

Males

12245

M60-64

12245

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

17028

Males

11069

M60-64

11069

20K→Half

12.4 - 13.1 mi

Top 63%
×2stories
+19ft-37ft

Overall

16787

Males

10988

M60-64

10988

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

18158

Males

11497

M60-64

11497

25K→30K

15.5 - 18.6 mi

Top 67%
×9stories
+181ft-148ft

Overall

17721

Males

11222

M60-64

11222

30K→20M

18.6 - 20.0 mi

Top 48%
×5stories
+64ft-50ft

Overall

12786

Males

9043

M60-64

9043

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

12251

Males

8705

M60-64

8705

21M→35K

21.0 - 21.8 mi

Top 42%
×7stories
+17ft-86ft

Overall

11127

Males

8196

M60-64

8196

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

17462

Males

10895

M60-64

10895

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

11941

Males

8382

M60-64

8382

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12459

Males

8540

M60-64

8540

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

12723

Males

8636

M60-64

8636

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2stories
+22ft-21ft

Overall

11862

Males

8224

M60-64

8224

Passing Analysis

Category:
Athletes Passed
2358
Passed By
3461
Net Change
-1103
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15220
5K → 10K151894-1879#15220#17099
10K → 15K271080-1053#17099#18152
15K → 20K35148+303#18152#17849
20K → Half918+83#17849#17766
Half → 25K110168-58#17766#17824
25K → 30K198141+57#17824#17767
30K → 20M3620+362#17767#17405
20M → 21M2811+280#17405#17125
21M → 35K2000+200#17125#16925
35K → 23M73105-32#16925#16957
23M → 24M2113+208#16957#16749
24M → 40K1645+159#16749#16590
40K → 25.2M703+67#16590#16523
25.2M → Finish2055+200#16523#16323
TOTALS23583461-1103
📊

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