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BOSTON MARATHON 2024

Daniel Shapiro

Bib: 16971•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M55-59)
#0 / 1529
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:48/mi
27:21
↑ 97↓ 3451.5%
10K· 6.21 mi
8:22/mi
53:20
↑ 79↓ 1380.4%
15K· 9.32 mi
8:17/mi
1:19:04
↑ 67↓ 78
20K· 12.43 mi
8:28/mi
1:45:22
↑ 106↓ 860.1%
Half· 13.11 mi
8:29/mi
1:51:09
↑ 19↓ 370.5%
25K· 15.53 mi
8:54/mi
2:12:44
↑ 66↓ 880.2%
30K· 18.64 mi
9:34/mi
2:42:28
↑ 181↓ 1480.2%
20M
9:28/mi
2:55:20
↑ 64↓ 500.2%
21M
10:51/mi
3:06:11
↑ 106↓ 241.6%
35K· 21.75 mi
9:15/mi
3:13:06
↑ 17↓ 861.7%
23M
11:34/mi
3:27:35
↑ 23↓ 630.6%
24M
11:51/mi
3:39:26
↓ 821.3%
40K· 24.85 mi
14:49/mi
3:52:06
↓ 200.3%
25.2M
13:58/mi
3:56:55
↑ 13↓ 160.2%
Finish· 26.22 mi
12:10/mi
4:09:19
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:09
Pace8:29 /mi
2nd Half
Distance13.11 mi
Time2:18:10
Pace10:32 /mi
📊Positive Split: 24.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:3627:218:4827:21
8:48
-
10K
6.21 mi11:43:3553:208:3525:59
8:22
-0:26
15K
9.32 mi12:09:191:19:048:2925:44
8:17
-0:05
20K
12.43 mi12:35:371:45:228:2926:18
8:28
+0:11
Half
13.11 mi12:41:241:51:098:295:47
8:29
+0:01
25K
15.53 mi13:02:592:12:448:3321:35
8:54
+0:25
30K
18.64 mi13:32:432:42:288:4329:44
9:34
+0:40
20M
20.00 mi13:45:352:55:208:4612:52
9:28
-0:06
21M
21.00 mi13:56:263:06:118:5210:51
10:51
+1:23
35K
21.75 mi14:03:213:13:068:536:55
9:15
-1:36
23M
23.00 mi14:17:503:27:359:0214:29
11:34
+2:19
24M
24.00 mi14:29:413:39:269:0911:51
11:51
+0:17
40K
24.85 mi14:42:213:52:069:2012:40
14:49
+2:58
25.2M
25.20 mi14:47:103:56:559:244:49
13:58
-0:51
Finish
26.22 mi14:59:344:09:199:3112:24
12:10
-1:48

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

8:17 /mi

Average Pace

9:31 /mi

Slowest Pace

14:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

51:43

21% of race

Time at Steady Pace

2:10:32

52% of race

Time at Slower Pace

1:07:04

27% of race

Average Pace: 9:31 /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 mi11:17:3627:218:4827:21
8:48
#19280
10K
6.21 mi11:43:3553:208:3525:59
8:22
#17978
15K
9.32 mi12:09:191:19:048:2925:44
8:17
#16967
20K
12.43 mi12:35:371:45:228:2926:18
8:28
#16290
Half
13.11 mi12:41:241:51:098:295:47
8:29
#16238
25K
15.53 mi13:02:592:12:448:3321:35
8:54
#16002
30K
18.64 mi13:32:432:42:288:4329:44
9:34
#15977
20M
20.00 mi13:45:352:55:208:4612:52
9:28
#15857
21M
21.00 mi13:56:263:06:118:5210:51
10:51
#15884
35K
21.75 mi14:03:213:13:068:536:55
9:15
#15838
23M
23.00 mi14:17:503:27:359:0214:29
11:34
#16232
24M
24.00 mi14:29:413:39:269:0911:51
11:51
#16590
40K
24.85 mi14:42:213:52:069:2012:40
14:49
#17224
25.2M
25.20 mi14:47:103:56:559:244:49
13:58
#17312
Finish
26.22 mi14:59:344:09:199:3112:24
12:10
#17617
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi19280117241172415176(Top 59%)10075(Top 69%)10075(Top 659%)
10K6.21 mi3.10 mi17978+130211214+51011214+51016491(Top 65%)10635(Top 73%)10635(Top 696%)
15K9.32 mi3.11 mi16967+101110803+41110803+41115176(Top 59%)10075(Top 69%)10075(Top 659%)
20K12.43 mi3.11 mi16290+67710513+29010513+29014624(Top 57%)9803(Top 67%)9803(Top 641%)
Half13.11 mi0.68 mi16238+5210488+2510488+2515561(Top 61%)10160(Top 70%)10160(Top 664%)
25K15.53 mi2.42 mi16002+23610352+13610352+13615063(Top 59%)9818(Top 67%)9818(Top 642%)
30K18.64 mi3.11 mi15977+2510285+6710285+6715734(Top 62%)9886(Top 68%)9886(Top 647%)
20M20.00 mi1.36 mi15857+12010196+8910196+8914395(Top 56%)9030(Top 62%)9030(Top 591%)
21M21.00 mi1.00 mi15884-2710169+2710169+2715920(Top 62%)9599(Top 66%)9599(Top 628%)
35K21.75 mi0.75 mi15838+4610124+4510124+4514449(Top 57%)8873(Top 61%)8873(Top 580%)
23M23.00 mi1.25 mi16232-39410262-13810262-13819796(Top 77%)11460(Top 79%)11460(Top 750%)
24M24.00 mi1.00 mi16590-35810390-12810390-12821114(Top 83%)12075(Top 83%)12075(Top 790%)
40K24.85 mi0.85 mi17224-63410635-24510635-24524395(Top 95%)13815(Top 95%)13815(Top 904%)
25.2M25.20 mi0.35 mi17312-8810659-2410659-2421522(Top 84%)12239(Top 84%)12239(Top 800%)
Finish26.22 mi1.02 mi17617-30510759-10010759-10023449(Top 92%)13262(Top 91%)13262(Top 867%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

15176

Males

10075

M55-59

10075

5K→10K

3.1 - 6.2 mi

Top 65%
×5story building
+79ft-138ft

Overall

16491

Males

10635

M55-59

10635

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

15176

Males

10075

M55-59

10075

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

14624

Males

9803

M55-59

9803

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

15561

Males

10160

M55-59

10160

Half→25K

13.1 - 15.5 mi

Top 59%
×4story building
+66ft-88ft

Overall

15063

Males

9818

M55-59

9818

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

15734

Males

9886

M55-59

9886

30K→20M

18.6 - 20.0 mi

Top 56%
×5story building
+64ft-50ft

Overall

14395

Males

9030

M55-59

9030

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

15920

Males

9599

M55-59

9599

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

14449

Males

8873

M55-59

8873

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

19796

Males

11460

M55-59

11460

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

21114

Males

12075

M55-59

12075

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

24395

Males

13815

M55-59

13815

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

21522

Males

12239

M55-59

12239

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2story building
+22ft-21ft

Overall

23449

Males

13262

M55-59

13262

Passing Analysis

Category:
Athletes Passed
4186
Passed By
2523
Net Change
+1663
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19280
5K → 10K132422+1302#19280#17978
10K → 15K102211+1011#17978#16967
15K → 20K69518+677#16967#16290
20K → Half6917+52#16290#16238
Half → 25K340104+236#16238#16002
25K → 30K259234+25#16002#15977
30K → 20M17959+120#15977#15857
20M → 21M95122-27#15857#15884
21M → 35K9044+46#15884#15838
35K → 23M30424-394#15838#16232
23M → 24M27385-358#16232#16590
24M → 40K14648-634#16590#17224
40K → 25.2M16104-88#17224#17312
25.2M → Finish26331-305#17312#17617
TOTALS41862523+1663
📊

Passing Visuals

Category:
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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