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BOSTON MARATHON 2024

Chapin Jacob

Bib: 1078•M

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 3%
Gender (Male)
#0 / 14578
Top 6%
Division (M18-39)
#0 / 4849
Top 14%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:41
Rank: #963
Start → 5K
18:41 | 6:01/mi
10K· 6.21 mi
37:30
Rank: #982 (-19)
5K → 10K
18:49 | 6:03/mi
15K· 9.32 mi
56:41
Rank: #1062 (-80)
10K → 15K
19:11 | 6:10/mi
20K· 12.43 mi
1:16:05
Rank: #1076 (-14)
15K → 20K
19:24 | 6:15/mi
Half· 13.11 mi
1:20:19
Rank: #1082 (-6)
20K → Half
4:14 | 6:12/mi
25K· 15.53 mi
1:35:38
Rank: #1069 (+13)
Half → 25K
15:19 | 6:19/mi
30K· 18.64 mi
1:55:56
Rank: #1033 (+36)
25K → 30K
20:18 | 6:32/mi
20M
2:04:56
Rank: #992 (+41)
30K → 20M
9:00 | 6:37/mi
21M
2:11:52
Rank: #969 (+23)
20M → 21M
6:56 | 6:56/mi
35K· 21.75 mi
2:16:39
Rank: #958 (+11)
21M → 35K
4:47 | 6:24/mi
23M
2:25:00
Rank: #943 (+15)
35K → 23M
8:21 | 6:40/mi
24M
2:31:27
Rank: #906 (+37)
23M → 24M
6:27 | 6:27/mi
40K· 24.85 mi
2:37:04
Rank: #887 (+19)
24M → 40K
5:37 | 6:34/mi
25.2M
2:39:34
Rank: #870 (+17)
40K → 25.2M
2:30 | 7:15/mi
Finish· 26.22 mi
2:46:01
Rank: #858 (+12)
25.2M → Finish
6:27 | 6:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:19
Pace6:08 /mi
2nd Half
Distance13.11 mi
Time1:25:42
Pace6:32 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:1818:416:0118:41
6:01
-
10K
6.21 mi10:38:0737:306:0218:49
6:03
+0:02
15K
9.32 mi10:57:1856:416:0519:11
6:10
+0:07
20K
12.43 mi11:16:421:16:056:0719:24
6:15
+0:05
Half
13.11 mi11:20:561:20:196:084:14
6:12
-0:03
25K
15.53 mi11:36:151:35:386:0915:19
6:19
+0:07
30K
18.64 mi11:56:331:55:566:1320:18
6:32
+0:13
20M
20.00 mi12:05:332:04:566:159:00
6:37
+0:05
21M
21.00 mi12:12:292:11:526:176:56
6:56
+0:19
35K
21.75 mi12:17:162:16:396:174:47
6:24
-0:32
23M
23.00 mi12:25:372:25:006:188:21
6:40
+0:16
24M
24.00 mi12:32:042:31:276:196:27
6:27
-0:13
40K
24.85 mi12:37:412:37:046:195:37
6:34
+0:07
25.2M
25.20 mi12:40:112:39:346:202:30
7:15
+0:41
Finish
26.22 mi12:46:382:46:016:206:27
6:20
-0:55

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

6:01 /mi

Average Pace

6:20 /mi

Slowest Pace

7:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:00:55

37% of race

Time at Steady Pace

1:12:42

44% of race

Time at Slower Pace

32:24

20% of race

Average Pace: 6:20 /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 mi10:19:1818:416:0118:41
6:01
#963
10K
6.21 mi10:38:0737:306:0218:49
6:03
#982
15K
9.32 mi10:57:1856:416:0519:11
6:10
#1062
20K
12.43 mi11:16:421:16:056:0719:24
6:15
#1076
Half
13.11 mi11:20:561:20:196:084:14
6:12
#1082
25K
15.53 mi11:36:151:35:386:0915:19
6:19
#1069
30K
18.64 mi11:56:331:55:566:1320:18
6:32
#1033
20M
20.00 mi12:05:332:04:566:159:00
6:37
#992
21M
21.00 mi12:12:292:11:526:176:56
6:56
#969
35K
21.75 mi12:17:162:16:396:174:47
6:24
#958
23M
23.00 mi12:25:372:25:006:188:21
6:40
#943
24M
24.00 mi12:32:042:31:276:196:27
6:27
#906
40K
24.85 mi12:37:412:37:046:195:37
6:34
#887
25.2M
25.20 mi12:40:112:39:346:202:30
7:15
#870
Finish
26.22 mi12:46:382:46:016:206:27
6:20
#858
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi9639269261290(Top 5%)1251(Top 9%)1251(Top 26%)
10K6.21 mi3.10 mi982-19945-19945-191033(Top 4%)996(Top 7%)996(Top 21%)
15K9.32 mi3.11 mi1062-801023-781023-781290(Top 5%)1251(Top 9%)1251(Top 26%)
20K12.43 mi3.11 mi1076-141040-171040-171173(Top 5%)1135(Top 8%)1135(Top 23%)
Half13.11 mi0.68 mi1082-61046-61046-61309(Top 5%)1266(Top 9%)1266(Top 26%)
25K15.53 mi2.42 mi1069+131033+131033+131178(Top 5%)1136(Top 8%)1136(Top 23%)
30K18.64 mi3.11 mi1033+36997+36997+361143(Top 4%)1091(Top 7%)1091(Top 22%)
20M20.00 mi1.36 mi992+41955+42955+421126(Top 4%)1068(Top 7%)1068(Top 22%)
21M21.00 mi1.00 mi969+23932+23932+23933(Top 4%)884(Top 6%)884(Top 18%)
35K21.75 mi0.75 mi958+11920+12920+12998(Top 4%)941(Top 6%)941(Top 19%)
23M23.00 mi1.25 mi943+15903+17903+17985(Top 4%)929(Top 6%)929(Top 19%)
24M24.00 mi1.00 mi906+37865+38865+38858(Top 3%)806(Top 6%)806(Top 17%)
40K24.85 mi0.85 mi887+19846+19846+19843(Top 3%)783(Top 5%)783(Top 16%)
25.2M25.20 mi0.35 mi870+17829+17829+17931(Top 4%)858(Top 6%)858(Top 18%)
Finish26.22 mi1.02 mi858+12817+12817+12968(Top 4%)892(Top 6%)892(Top 18%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1290

Males

1251

M18-39

1251

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1033

Males

996

M18-39

996

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1290

Males

1251

M18-39

1251

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1173

Males

1135

M18-39

1135

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1309

Males

1266

M18-39

1266

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1178

Males

1136

M18-39

1136

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1143

Males

1091

M18-39

1091

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1126

Males

1068

M18-39

1068

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

933

Males

884

M18-39

884

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

998

Males

941

M18-39

941

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

985

Males

929

M18-39

929

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

858

Males

806

M18-39

806

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

843

Males

783

M18-39

783

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

931

Males

858

M18-39

858

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

968

Males

892

M18-39

892

Passing Analysis

Category:
Athletes Passed
503
Passed By
398
Net Change
+105
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#963
5K → 10K5170-19#963#982
10K → 15K1595-80#982#1062
15K → 20K4155-14#1062#1076
20K → Half713-6#1076#1082
Half → 25K5744+13#1082#1069
25K → 30K7438+36#1069#1033
30K → 20M6019+41#1033#992
20M → 21M3714+23#992#969
21M → 35K2211+11#969#958
35K → 23M3116+15#958#943
23M → 24M436+37#943#906
24M → 40K245+19#906#887
40K → 25.2M214+17#887#870
25.2M → Finish208+12#870#858
TOTALS503398+105
📊

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