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BOSTON MARATHON 2024

Sam Leahy

Bib: 28537•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
28:29
Rank: #20688
Start → 5K
28:29 | 9:10/mi
10K· 6.21 mi
56:46
Rank: #20399 (+289)
5K → 10K
28:17 | 9:06/mi
15K· 9.32 mi
1:24:36
Rank: #19863 (+536)
10K → 15K
27:50 | 8:58/mi
20K· 12.43 mi
1:54:30
Rank: #19789 (+74)
15K → 20K
29:54 | 9:37/mi
Half· 13.11 mi
1:59:58
Rank: #19545 (+244)
20K → Half
5:28 | 8:01/mi
25K· 15.53 mi
2:20:24
Rank: #18485 (+1060)
Half → 25K
20:26 | 8:26/mi
30K· 18.64 mi
2:48:41
Rank: #17580 (+905)
25K → 30K
28:17 | 9:06/mi
20M
3:00:54
Rank: #17191 (+389)
30K → 20M
12:13 | 8:59/mi
21M
3:10:35
Rank: #16890 (+301)
20M → 21M
9:41 | 9:41/mi
35K· 21.75 mi
3:17:19
Rank: #16734 (+156)
21M → 35K
6:44 | 9:00/mi
23M
3:28:07
Rank: #16338 (+396)
35K → 23M
10:48 | 8:38/mi
24M
3:36:18
Rank: #15985 (+353)
23M → 24M
8:11 | 8:11/mi
40K· 24.85 mi
3:43:49
Rank: #15726 (+259)
24M → 40K
7:31 | 8:47/mi
25.2M
3:46:59
Rank: #15584 (+142)
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:54:45
Rank: #15249 (+335)
25.2M → Finish
7:46 | 7:37/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:59:58
Pace9:09 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:54:47
Pace8:45 /mi
📊Negative Split: 4.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:1328:299:1028:29
9:10
-
10K
6.21 mi12:19:3056:469:0828:17
9:06
-0:04
15K
9.32 mi12:47:201:24:369:0527:50
8:58
-0:08
20K
12.43 mi13:17:141:54:309:1329:54
9:37
+0:39
Half
13.11 mi13:22:421:59:589:095:28
8:01
-1:36
25K
15.53 mi13:43:082:20:249:0220:26
8:26
+0:25
30K
18.64 mi14:11:252:48:419:0328:17
9:06
+0:40
20M
20.00 mi14:23:383:00:549:0312:13
8:59
-0:07
21M
21.00 mi14:33:193:10:359:059:41
9:41
+0:42
35K
21.75 mi14:40:033:17:199:046:44
9:00
-0:41
23M
23.00 mi14:50:513:28:079:0310:48
8:38
-0:22
24M
24.00 mi14:59:023:36:189:018:11
8:11
-0:27
40K
24.85 mi15:06:333:43:499:007:31
8:47
+0:36
25.2M
25.20 mi15:09:433:46:599:003:10
9:11
+0:24
Finish
26.22 mi15:17:293:54:458:587:46
7:37
-1:34

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

7:37 /mi

Average Pace

8:58 /mi

Slowest Pace

9:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

52:39

22% of race

Time at Steady Pace

2:22:31

61% of race

Time at Slower Pace

39:35

17% of race

Average Pace: 8:57 /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 mi11:51:1328:299:1028:29
9:10
#20688
10K
6.21 mi12:19:3056:469:0828:17
9:06
#20399
15K
9.32 mi12:47:201:24:369:0527:50
8:58
#19863
20K
12.43 mi13:17:141:54:309:1329:54
9:37
#19789
Half
13.11 mi13:22:421:59:589:095:28
8:01
#19545
25K
15.53 mi13:43:082:20:249:0220:26
8:26
#18485
30K
18.64 mi14:11:252:48:419:0328:17
9:06
#17580
20M
20.00 mi14:23:383:00:549:0312:13
8:59
#17191
21M
21.00 mi14:33:193:10:359:059:41
9:41
#16890
35K
21.75 mi14:40:033:17:199:046:44
9:00
#16734
23M
23.00 mi14:50:513:28:079:0310:48
8:38
#16338
24M
24.00 mi14:59:023:36:189:018:11
8:11
#15985
40K
24.85 mi15:06:333:43:499:007:31
8:47
#15726
25.2M
25.20 mi15:09:433:46:599:003:10
9:11
#15584
Finish
26.22 mi15:17:293:54:458:587:46
7:37
#15249
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20688123921239218698(Top 73%)11578(Top 79%)11578(Top 239%)
10K6.21 mi3.10 mi20399+28912288+10412288+10420158(Top 79%)12205(Top 84%)12205(Top 252%)
15K9.32 mi3.11 mi19863+53612050+23812050+23818698(Top 73%)11578(Top 79%)11578(Top 239%)
20K12.43 mi3.11 mi19789+7412038+1212038+1219566(Top 77%)11954(Top 82%)11954(Top 247%)
Half13.11 mi0.68 mi19545+24411912+12611912+12612833(Top 50%)9029(Top 62%)9029(Top 186%)
25K15.53 mi2.42 mi18485+106011416+49611416+49612662(Top 50%)8776(Top 60%)8776(Top 181%)
30K18.64 mi3.11 mi17580+90510958+45810958+45813723(Top 54%)9011(Top 62%)9011(Top 186%)
20M20.00 mi1.36 mi17191+38910757+20110757+20112075(Top 47%)7992(Top 55%)7992(Top 165%)
21M21.00 mi1.00 mi16890+30110588+16910588+16911624(Top 45%)7528(Top 52%)7528(Top 155%)
35K21.75 mi0.75 mi16734+15610501+8710501+8713294(Top 52%)8313(Top 57%)8313(Top 171%)
23M23.00 mi1.25 mi16338+39610307+19410307+1949136(Top 36%)6178(Top 42%)6178(Top 127%)
24M24.00 mi1.00 mi15985+35310113+19410113+1947656(Top 30%)5327(Top 37%)5327(Top 110%)
40K24.85 mi0.85 mi15726+2599966+1479966+1479849(Top 39%)6335(Top 43%)6335(Top 131%)
25.2M25.20 mi0.35 mi15584+1429882+849882+847403(Top 29%)5029(Top 34%)5029(Top 104%)
Finish26.22 mi1.02 mi15249+3359713+1699713+1696278(Top 25%)4487(Top 31%)4487(Top 93%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

18698

Males

11578

M18-39

11578

5K→10K

3.1 - 6.2 mi

Top 79%
×5stories
+79ft-138ft

Overall

20158

Males

12205

M18-39

12205

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

18698

Males

11578

M18-39

11578

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

19566

Males

11954

M18-39

11954

20K→Half

12.4 - 13.1 mi

Top 50%
×2stories
+19ft-37ft

Overall

12833

Males

9029

M18-39

9029

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

12662

Males

8776

M18-39

8776

25K→30K

15.5 - 18.6 mi

Top 54%
×9stories
+181ft-148ft

Overall

13723

Males

9011

M18-39

9011

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

12075

Males

7992

M18-39

7992

20M→21M

20.0 - 21.0 mi

Top 45%
×8stories
+106ft-24ft

Overall

11624

Males

7528

M18-39

7528

21M→35K

21.0 - 21.8 mi

Top 52%
×7stories
+17ft-86ft

Overall

13294

Males

8313

M18-39

8313

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

9136

Males

6178

M18-39

6178

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

7656

Males

5327

M18-39

5327

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

9849

Males

6335

M18-39

6335

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7403

Males

5029

M18-39

5029

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6278

Males

4487

M18-39

4487

Passing Analysis

Category:
Athletes Passed
5827
Passed By
388
Net Change
+5439
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20688
5K → 10K439150+289#20688#20399
10K → 15K56024+536#20399#19863
15K → 20K265191+74#19863#19789
20K → Half2440+244#19789#19545
Half → 25K10600+1060#19545#18485
25K → 30K9149+905#18485#17580
30K → 20M3912+389#17580#17191
20M → 21M3043+301#17191#16890
21M → 35K1626+156#16890#16734
35K → 23M3971+396#16734#16338
23M → 24M3530+353#16338#15985
24M → 40K2590+259#15985#15726
40K → 25.2M1431+142#15726#15584
25.2M → Finish3361+335#15584#15249
TOTALS5827388+5439
📊

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