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BOSTON MARATHON 2024

Liam Shanahan

Bib: 25474•M

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:18
Rank: #21530
Start → 5K
29:18 | 9:26/mi
10K· 6.21 mi
59:55
Rank: #21927 (-397)
5K → 10K
30:37 | 9:51/mi
15K· 9.32 mi
1:30:48
Rank: #21859 (+68)
10K → 15K
30:53 | 9:56/mi
20K· 12.43 mi
2:03:26
Rank: #21812 (+47)
15K → 20K
32:38 | 10:30/mi
Half· 13.11 mi
2:09:58
Rank: #21741 (+71)
20K → Half
6:32 | 9:35/mi
25K· 15.53 mi
2:37:05
Rank: #21757 (-16)
Half → 25K
27:07 | 11:11/mi
30K· 18.64 mi
3:15:00
Rank: #21882 (-125)
25K → 30K
37:55 | 12:12/mi
20M
3:33:21
Rank: #22052 (-170)
30K → 20M
18:21 | 13:30/mi
21M
3:48:02
Rank: #22139 (-87)
20M → 21M
14:41 | 14:41/mi
35K· 21.75 mi
3:58:24
Rank: #22285 (-146)
21M → 35K
10:22 | 13:51/mi
23M
4:14:25
Rank: #22300 (-15)
35K → 23M
16:01 | 12:48/mi
24M
4:26:52
Rank: #22293 (+7)
23M → 24M
12:27 | 12:27/mi
40K· 24.85 mi
4:37:51
Rank: #22276 (+17)
24M → 40K
10:59 | 12:51/mi
25.2M
4:43:06
Rank: #22321 (-45)
40K → 25.2M
5:15 | 15:13/mi
Finish· 26.22 mi
4:55:43
Rank: #22410 (-89)
25.2M → Finish
12:37 | 12:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:58
Pace9:55 /mi
2nd Half
Distance13.11 mi
Time2:45:45
Pace12:39 /mi
📊Positive Split: 27.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:5929:189:2629:18
9:26
-
10K
6.21 mi12:15:3659:559:3930:37
9:51
+0:25
15K
9.32 mi12:46:291:30:489:4530:53
9:56
+0:05
20K
12.43 mi13:19:072:03:269:5632:38
10:30
+0:34
Half
13.11 mi13:25:392:09:589:556:32
9:35
-0:55
25K
15.53 mi13:52:462:37:0510:0727:07
11:11
+1:36
30K
18.64 mi14:30:413:15:0010:2837:55
12:12
+1:01
20M
20.00 mi14:49:023:33:2110:4018:21
13:30
+1:18
21M
21.00 mi15:03:433:48:0210:5214:41
14:41
+1:11
35K
21.75 mi15:14:053:58:2410:5810:22
13:51
-0:50
23M
23.00 mi15:30:064:14:2511:0416:01
12:48
-1:03
24M
24.00 mi15:42:334:26:5211:0712:27
12:27
-0:21
40K
24.85 mi15:53:324:37:5111:1110:59
12:51
+0:24
25.2M
25.20 mi15:58:474:43:0611:145:15
15:13
+2:22
Finish
26.22 mi16:11:244:55:4311:1712:37
12:23
-2:50

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

9:26 /mi

Average Pace

11:17 /mi

Slowest Pace

15:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:05

53% of race

Time at Steady Pace

1:29:59

30% of race

Time at Slower Pace

48:39

16% of race

Average Pace: 11:17 /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 mi11:44:5929:189:2629:18
9:26
#21530
10K
6.21 mi12:15:3659:559:3930:37
9:51
#21927
15K
9.32 mi12:46:291:30:489:4530:53
9:56
#21859
20K
12.43 mi13:19:072:03:269:5632:38
10:30
#21812
Half
13.11 mi13:25:392:09:589:556:32
9:35
#21741
25K
15.53 mi13:52:462:37:0510:0727:07
11:11
#21757
30K
18.64 mi14:30:413:15:0010:2837:55
12:12
#21882
20M
20.00 mi14:49:023:33:2110:4018:21
13:30
#22052
21M
21.00 mi15:03:433:48:0210:5214:41
14:41
#22139
35K
21.75 mi15:14:053:58:2410:5810:22
13:51
#22285
23M
23.00 mi15:30:064:14:2511:0416:01
12:48
#22300
24M
24.00 mi15:42:334:26:5211:0712:27
12:27
#22293
40K
24.85 mi15:53:324:37:5111:1110:59
12:51
#22276
25.2M
25.20 mi15:58:474:43:0611:145:15
15:13
#22321
Finish
26.22 mi16:11:244:55:4311:1712:37
12:23
#22410
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21530128021280221785(Top 85%)12989(Top 89%)12989(Top 268%)
10K6.21 mi3.10 mi21927-39713008-20613008-20622227(Top 87%)13154(Top 90%)13154(Top 271%)
15K9.32 mi3.11 mi21859+6812985+2312985+2321785(Top 85%)12989(Top 89%)12989(Top 268%)
20K12.43 mi3.11 mi21812+4712968+1712968+1721674(Top 85%)12906(Top 89%)12906(Top 266%)
Half13.11 mi0.68 mi21741+7112924+4412924+4420296(Top 79%)12217(Top 84%)12217(Top 252%)
25K15.53 mi2.42 mi21757-1612921+312921+321840(Top 85%)12892(Top 88%)12892(Top 266%)
30K18.64 mi3.11 mi21882-12512931-1012931-1022281(Top 87%)12950(Top 89%)12950(Top 267%)
20M20.00 mi1.36 mi22052-17012987-5612987-5623477(Top 92%)13439(Top 92%)13439(Top 277%)
21M21.00 mi1.00 mi22139-8713020-3313020-3323195(Top 91%)13264(Top 91%)13264(Top 274%)
35K21.75 mi0.75 mi22285-14613083-6313083-6324154(Top 95%)13732(Top 94%)13732(Top 283%)
23M23.00 mi1.25 mi22300-1513068+1513068+1522197(Top 87%)12693(Top 87%)12693(Top 262%)
24M24.00 mi1.00 mi22293+713042+2613042+2622223(Top 87%)12638(Top 87%)12638(Top 261%)
40K24.85 mi0.85 mi22276+1713021+2113021+2122012(Top 86%)12498(Top 86%)12498(Top 258%)
25.2M25.20 mi0.35 mi22321-4513034-1313034-1323248(Top 91%)13178(Top 90%)13178(Top 272%)
Finish26.22 mi1.02 mi22410-8913060-2613060-2623719(Top 93%)13406(Top 92%)13406(Top 276%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

21785

Males

12989

M18-39

12989

5K→10K

3.1 - 6.2 mi

Top 87%
×5stories
+79ft-138ft

Overall

22227

Males

13154

M18-39

13154

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

21785

Males

12989

M18-39

12989

15K→20K

9.3 - 12.4 mi

Top 85%
×5stories
+106ft-86ft

Overall

21674

Males

12906

M18-39

12906

20K→Half

12.4 - 13.1 mi

Top 79%
×2stories
+19ft-37ft

Overall

20296

Males

12217

M18-39

12217

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

21840

Males

12892

M18-39

12892

25K→30K

15.5 - 18.6 mi

Top 87%
×9stories
+181ft-148ft

Overall

22281

Males

12950

M18-39

12950

30K→20M

18.6 - 20.0 mi

Top 92%
×5stories
+64ft-50ft

Overall

23477

Males

13439

M18-39

13439

20M→21M

20.0 - 21.0 mi

Top 91%
×8stories
+106ft-24ft

Overall

23195

Males

13264

M18-39

13264

21M→35K

21.0 - 21.8 mi

Top 95%
×7stories
+17ft-86ft

Overall

24154

Males

13732

M18-39

13732

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

22197

Males

12693

M18-39

12693

23M→24M

23.0 - 24.0 mi

Top 87%
×6stories
+12ft-82ft

Overall

22223

Males

12638

M18-39

12638

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

22012

Males

12498

M18-39

12498

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

23248

Males

13178

M18-39

13178

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2stories
+22ft-21ft

Overall

23719

Males

13406

M18-39

13406

Passing Analysis

Category:
Athletes Passed
1136
Passed By
2016
Net Change
-880
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21530
5K → 10K92489-397#21530#21927
10K → 15K206138+68#21927#21859
15K → 20K201154+47#21859#21812
20K → Half776+71#21812#21741
Half → 25K134150-16#21741#21757
25K → 30K133258-125#21757#21882
30K → 20M34204-170#21882#22052
20M → 21M37124-87#22052#22139
21M → 35K15161-146#22139#22285
35K → 23M5873-15#22285#22300
23M → 24M5750+7#22300#22293
24M → 40K5639+17#22293#22276
40K → 25.2M853-45#22276#22321
25.2M → Finish28117-89#22321#22410
TOTALS11362016-880
📊

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