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BOSTON MARATHON 2023

Liam Mccarthy

Bib: 3609•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 23%
Gender (Male)
#0 / 15176
Top 35%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:35
Rank: #3067
Start → 5K
20:35 | 6:38/mi
10K· 6.21 mi
41:15
Rank: #3439 (-372)
5K → 10K
20:40 | 6:39/mi
15K· 9.32 mi
1:01:58
Rank: #3549 (-110)
10K → 15K
20:43 | 6:40/mi
20K· 12.43 mi
1:22:56
Rank: #3632 (-83)
15K → 20K
20:58 | 6:45/mi
Half· 13.11 mi
1:27:25
Rank: #3611 (+21)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:44:08
Rank: #3806 (-195)
Half → 25K
16:43 | 6:54/mi
30K· 18.64 mi
2:07:07
Rank: #4478 (-672)
25K → 30K
22:59 | 7:24/mi
20M
2:17:34
Rank: #4815 (-337)
30K → 20M
10:27 | 7:41/mi
21M
2:26:13
Rank: #5175 (-360)
20M → 21M
8:39 | 8:39/mi
35K· 21.75 mi
2:32:02
Rank: #5330 (-155)
21M → 35K
5:49 | 7:46/mi
23M
2:42:19
Rank: #5561 (-231)
35K → 23M
10:17 | 8:13/mi
24M
2:50:20
Rank: #5723 (-162)
23M → 24M
8:01 | 8:01/mi
40K· 24.85 mi
2:57:23
Rank: #5854 (-131)
24M → 40K
7:03 | 8:15/mi
25.2M
3:00:21
Rank: #5896 (-42)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:08:16
Rank: #6004 (-108)
25.2M → Finish
7:55 | 7:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:25
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:40:51
Pace7:42 /mi
📊Positive Split: 15.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0520:356:3820:35
6:38
-
10K
6.21 mi10:42:4541:156:3820:40
6:39
+0:01
15K
9.32 mi11:03:281:01:586:3920:43
6:40
+0:01
20K
12.43 mi11:24:261:22:566:4020:58
6:45
+0:05
Half
13.11 mi11:28:551:27:256:404:29
6:34
-0:11
25K
15.53 mi11:45:381:44:086:4216:43
6:54
+0:20
30K
18.64 mi12:08:372:07:076:4922:59
7:24
+0:30
20M
20.00 mi12:19:042:17:346:5310:27
7:41
+0:17
21M
21.00 mi12:27:432:26:136:588:39
8:39
+0:58
35K
21.75 mi12:33:322:32:026:595:49
7:46
-0:53
23M
23.00 mi12:43:492:42:197:0310:17
8:13
+0:27
24M
24.00 mi12:51:502:50:207:068:01
8:01
-0:12
40K
24.85 mi12:58:532:57:237:087:03
8:15
+0:14
25.2M
25.20 mi13:01:513:00:217:092:58
8:36
+0:21
Finish
26.22 mi13:09:463:08:167:117:55
7:46
-0:50

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

6:34 /mi

Average Pace

7:11 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:08

55% of race

Time at Steady Pace

55:11

29% of race

Time at Slower Pace

28:57

15% of race

Average Pace: 7:11 /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 mi10:22:0520:356:3820:35
6:38
#3067
10K
6.21 mi10:42:4541:156:3820:40
6:39
#3439
15K
9.32 mi11:03:281:01:586:3920:43
6:40
#3549
20K
12.43 mi11:24:261:22:566:4020:58
6:45
#3632
Half
13.11 mi11:28:551:27:256:404:29
6:34
#3611
25K
15.53 mi11:45:381:44:086:4216:43
6:54
#3806
30K
18.64 mi12:08:372:07:076:4922:59
7:24
#4478
20M
20.00 mi12:19:042:17:346:5310:27
7:41
#4815
21M
21.00 mi12:27:432:26:136:588:39
8:39
#5175
35K
21.75 mi12:33:322:32:026:595:49
7:46
#5330
23M
23.00 mi12:43:492:42:197:0310:17
8:13
#5561
24M
24.00 mi12:51:502:50:207:068:01
8:01
#5723
40K
24.85 mi12:58:532:57:237:087:03
8:15
#5854
25.2M
25.20 mi13:01:513:00:217:092:58
8:36
#5896
Finish
26.22 mi13:09:463:08:167:117:55
7:46
#6004
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3067290729073843(Top 14%)3614(Top 24%)3614(Top 68%)
10K6.21 mi3.10 mi3439-3723251-3443251-3443910(Top 15%)3683(Top 24%)3683(Top 70%)
15K9.32 mi3.11 mi3549-1103357-1063357-1063843(Top 14%)3614(Top 24%)3614(Top 68%)
20K12.43 mi3.11 mi3632-833438-813438-813972(Top 15%)3738(Top 25%)3738(Top 71%)
Half13.11 mi0.68 mi3611+213419+193419+193289(Top 12%)3139(Top 21%)3139(Top 59%)
25K15.53 mi2.42 mi3806-1953595-1763595-1764936(Top 19%)4569(Top 30%)4569(Top 86%)
30K18.64 mi3.11 mi4478-6724185-5904185-5906583(Top 25%)5785(Top 38%)5785(Top 109%)
20M20.00 mi1.36 mi4815-3374477-2924477-2928063(Top 30%)6623(Top 44%)6623(Top 125%)
21M21.00 mi1.00 mi5175-3604777-3004777-30011315(Top 43%)8248(Top 54%)8248(Top 156%)
35K21.75 mi0.75 mi5330-1554901-1244901-12410399(Top 39%)7804(Top 51%)7804(Top 148%)
23M23.00 mi1.25 mi5561-2315088-1875088-18711226(Top 42%)8075(Top 53%)8075(Top 153%)
24M24.00 mi1.00 mi5723-1625199-1115199-11111299(Top 42%)8030(Top 53%)8030(Top 152%)
40K24.85 mi0.85 mi5854-1315286-875286-8711611(Top 44%)8113(Top 53%)8113(Top 154%)
25.2M25.20 mi0.35 mi5896-425313-275313-2710069(Top 38%)7303(Top 48%)7303(Top 138%)
Finish26.22 mi1.02 mi6004-1085386-735386-7310396(Top 39%)7480(Top 49%)7480(Top 142%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3843

Males

3614

M18-39

3614

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

3910

Males

3683

M18-39

3683

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3843

Males

3614

M18-39

3614

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

3972

Males

3738

M18-39

3738

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3289

Males

3139

M18-39

3139

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

4936

Males

4569

M18-39

4569

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

6583

Males

5785

M18-39

5785

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

8063

Males

6623

M18-39

6623

20M→21M

20.0 - 21.0 mi

Top 43%
×8stories
+106ft-24ft

Overall

11315

Males

8248

M18-39

8248

21M→35K

21.0 - 21.8 mi

Top 39%
×7stories
+17ft-86ft

Overall

10399

Males

7804

M18-39

7804

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

11226

Males

8075

M18-39

8075

23M→24M

23.0 - 24.0 mi

Top 42%
×6stories
+12ft-82ft

Overall

11299

Males

8030

M18-39

8030

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

11611

Males

8113

M18-39

8113

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10069

Males

7303

M18-39

7303

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2stories
+22ft-21ft

Overall

10396

Males

7480

M18-39

7480

Passing Analysis

Category:
Athletes Passed
399
Passed By
3336
Net Change
-2937
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3067
5K → 10K56428-372#3067#3439
10K → 15K68178-110#3439#3549
15K → 20K59142-83#3549#3632
20K → Half3211+21#3632#3611
Half → 25K35230-195#3611#3806
25K → 30K17689-672#3806#4478
30K → 20M17354-337#4478#4815
20M → 21M7367-360#4815#5175
21M → 35K11166-155#5175#5330
35K → 23M26257-231#5330#5561
23M → 24M16178-162#5561#5723
24M → 40K18149-131#5723#5854
40K → 25.2M1153-42#5854#5896
25.2M → Finish26134-108#5896#6004
TOTALS3993336-2937
📊

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