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BOSTON MARATHON 2024

Spencer Bernstein

Bib: 15635•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
26:10
Rank: #17336
Start → 5K
26:10 | 8:25/mi
10K· 6.21 mi
52:19
Rank: #17034 (+302)
5K → 10K
26:09 | 8:25/mi
15K· 9.32 mi
1:18:41
Rank: #16748 (+286)
10K → 15K
26:22 | 8:29/mi
20K· 12.43 mi
1:50:19
Rank: #18388 (-1640)
15K → 20K
31:38 | 10:11/mi
Half· 13.11 mi
1:56:15
Rank: #18287 (+101)
20K → Half
5:56 | 8:42/mi
25K· 15.53 mi
2:34:27
Rank: #21317 (-3030)
Half → 25K
38:12 | 15:45/mi
30K· 18.64 mi
3:12:37
Rank: #21576 (-259)
25K → 30K
38:10 | 12:17/mi
20M
3:32:29
Rank: #21946 (-370)
30K → 20M
19:52 | 14:37/mi
21M
3:46:47
Rank: #22005 (-59)
20M → 21M
14:18 | 14:18/mi
35K· 21.75 mi
3:57:30
Rank: #22189 (-184)
21M → 35K
10:43 | 14:19/mi
23M
4:13:16
Rank: #22182 (+7)
35K → 23M
15:46 | 12:36/mi
24M
4:28:12
Rank: #22408 (-226)
23M → 24M
14:56 | 14:56/mi
40K· 24.85 mi
4:42:16
Rank: #22660 (-252)
24M → 40K
14:04 | 16:27/mi
25.2M
4:47:41
Rank: #22704 (-44)
40K → 25.2M
5:25 | 15:42/mi
Finish· 26.22 mi
4:59:55
Rank: #22762 (-58)
25.2M → Finish
12:14 | 12:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:15
Pace8:52 /mi
2nd Half
Distance13.11 mi
Time3:03:40
Pace14:01 /mi
📊Positive Split: 58.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:2226:108:2526:10
8:25
-
10K
6.21 mi11:23:3152:198:2526:09
8:25
0:00
15K
9.32 mi11:49:531:18:418:2726:22
8:29
+0:04
20K
12.43 mi12:21:311:50:198:5331:38
10:11
+1:42
Half
13.11 mi12:27:271:56:158:525:56
8:42
-1:29
25K
15.53 mi13:05:392:34:279:5738:12
15:45
+7:03
30K
18.64 mi13:43:493:12:3710:2038:10
12:17
-3:28
20M
20.00 mi14:03:413:32:2910:3719:52
14:37
+2:20
21M
21.00 mi14:17:593:46:4710:4814:18
14:18
-0:19
35K
21.75 mi14:28:423:57:3010:5510:43
14:19
+0:01
23M
23.00 mi14:44:284:13:1611:0115:46
12:36
-1:43
24M
24.00 mi14:59:244:28:1211:1114:56
14:56
+2:20
40K
24.85 mi15:13:284:42:1611:2114:04
16:27
+1:31
25.2M
25.20 mi15:18:534:47:4111:255:25
15:42
-0:45
Finish
26.22 mi15:31:074:59:5511:2712:14
12:00
-3:42

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

8:25 /mi

Average Pace

11:27 /mi

Slowest Pace

16:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:15

39% of race

Time at Steady Pace

1:06:10

22% of race

Time at Slower Pace

1:57:30

39% of race

Average Pace: 11:26 /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 mi10:57:2226:108:2526:10
8:25
#17336
10K
6.21 mi11:23:3152:198:2526:09
8:25
#17034
15K
9.32 mi11:49:531:18:418:2726:22
8:29
#16748
20K
12.43 mi12:21:311:50:198:5331:38
10:11
#18388
Half
13.11 mi12:27:271:56:158:525:56
8:42
#18287
25K
15.53 mi13:05:392:34:279:5738:12
15:45
#21317
30K
18.64 mi13:43:493:12:3710:2038:10
12:17
#21576
20M
20.00 mi14:03:413:32:2910:3719:52
14:37
#21946
21M
21.00 mi14:17:593:46:4710:4814:18
14:18
#22005
35K
21.75 mi14:28:423:57:3010:5510:43
14:19
#22189
23M
23.00 mi14:44:284:13:1611:0115:46
12:36
#22182
24M
24.00 mi14:59:244:28:1211:1114:56
14:56
#22408
40K
24.85 mi15:13:284:42:1611:2114:04
16:27
#22660
25.2M
25.20 mi15:18:534:47:4111:255:25
15:42
#22704
Finish
26.22 mi15:31:074:59:5511:2712:14
12:00
#22762
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi17336109321093216325(Top 64%)10529(Top 72%)10529(Top 217%)
10K6.21 mi3.10 mi17034+30210825+10710825+10716785(Top 66%)10749(Top 74%)10749(Top 222%)
15K9.32 mi3.11 mi16748+28610715+11010715+11016325(Top 64%)10529(Top 72%)10529(Top 217%)
20K12.43 mi3.11 mi18388-164011394-67911394-67920983(Top 82%)12595(Top 86%)12595(Top 260%)
Half13.11 mi0.68 mi18287+10111352+4211352+4216817(Top 66%)10681(Top 73%)10681(Top 220%)
25K15.53 mi2.42 mi21317-303012729-137712729-137725441(Top 100%)14517(Top 100%)14517(Top 299%)
30K18.64 mi3.11 mi21576-25912783-5412783-5422411(Top 88%)13009(Top 89%)13009(Top 268%)
20M20.00 mi1.36 mi21946-37012939-15612939-15624474(Top 96%)13973(Top 96%)13973(Top 288%)
21M21.00 mi1.00 mi22005-5912954-1512954-1522726(Top 89%)13024(Top 89%)13024(Top 269%)
35K21.75 mi0.75 mi22189-18413031-7713031-7724519(Top 96%)13937(Top 96%)13937(Top 287%)
23M23.00 mi1.25 mi22182+713003+2813003+2821864(Top 86%)12521(Top 86%)12521(Top 258%)
24M24.00 mi1.00 mi22408-22613100-9713100-9724795(Top 97%)14062(Top 96%)14062(Top 290%)
40K24.85 mi0.85 mi22660-25213212-11213212-11225096(Top 98%)14256(Top 98%)14256(Top 294%)
25.2M25.20 mi0.35 mi22704-4413227-1513227-1523799(Top 93%)13469(Top 92%)13469(Top 278%)
Finish26.22 mi1.02 mi22762-5813254-2713254-2723235(Top 91%)13136(Top 90%)13136(Top 271%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

16325

Males

10529

M18-39

10529

5K→10K

3.1 - 6.2 mi

Top 66%
×5stories
+79ft-138ft

Overall

16785

Males

10749

M18-39

10749

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

16325

Males

10529

M18-39

10529

15K→20K

9.3 - 12.4 mi

Top 82%
×5stories
+106ft-86ft

Overall

20983

Males

12595

M18-39

12595

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

16817

Males

10681

M18-39

10681

Half→25K

13.1 - 15.5 mi

Top 100%
×4stories
+66ft-88ft

Overall

25441

Males

14517

M18-39

14517

25K→30K

15.5 - 18.6 mi

Top 88%
×9stories
+181ft-148ft

Overall

22411

Males

13009

M18-39

13009

30K→20M

18.6 - 20.0 mi

Top 96%
×5stories
+64ft-50ft

Overall

24474

Males

13973

M18-39

13973

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

22726

Males

13024

M18-39

13024

21M→35K

21.0 - 21.8 mi

Top 96%
×7stories
+17ft-86ft

Overall

24519

Males

13937

M18-39

13937

35K→23M

21.8 - 23.0 mi

Top 86%
×5stories
+23ft-63ft

Overall

21864

Males

12521

M18-39

12521

23M→24M

23.0 - 24.0 mi

Top 97%
×6stories
+12ft-82ft

Overall

24795

Males

14062

M18-39

14062

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

25096

Males

14256

M18-39

14256

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

23799

Males

13469

M18-39

13469

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2stories
+22ft-21ft

Overall

23235

Males

13136

M18-39

13136

Passing Analysis

Category:
Athletes Passed
1266
Passed By
6692
Net Change
-5426
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17336
5K → 10K449147+302#17336#17034
10K → 15K38296+286#17034#16748
15K → 20K251665-1640#16748#18388
20K → Half1087+101#18388#18287
Half → 25K93039-3030#18287#21317
25K → 30K97356-259#21317#21576
30K → 20M15385-370#21576#21946
20M → 21M3998-59#21946#22005
21M → 35K11195-184#22005#22189
35K → 23M7265+7#22189#22182
23M → 24M10236-226#22182#22408
24M → 40K10262-252#22408#22660
40K → 25.2M1761-44#22660#22704
25.2M → Finish2280-58#22704#22762
TOTALS12666692-5426
📊

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