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BOSTON MARATHON 2024

Joseph Kafka

Bib: 4887•M

ID

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 8%
Gender (Male)
#0 / 14578
Top 14%
Masters (Masters Men)
#0 / 9729
Top 5%
Division (M45-49)
#0 / 2218
Top 6%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:02
Rank: #3002
Start → 5K
20:02 | 6:27/mi
10K· 6.21 mi
40:02
Rank: #2770 (+232)
5K → 10K
20:00 | 6:26/mi
15K· 9.32 mi
1:00:05
Rank: #2636 (+134)
10K → 15K
20:03 | 6:27/mi
20K· 12.43 mi
1:20:07
Rank: #2399 (+237)
15K → 20K
20:02 | 6:27/mi
Half· 13.11 mi
1:24:29
Rank: #2376 (+23)
20K → Half
4:22 | 6:24/mi
25K· 15.53 mi
1:40:18
Rank: #2232 (+144)
Half → 25K
15:49 | 6:31/mi
30K· 18.64 mi
2:01:25
Rank: #2097 (+135)
25K → 30K
21:07 | 6:48/mi
20M
2:10:48
Rank: #2044 (+53)
30K → 20M
9:23 | 6:54/mi
21M
2:18:12
Rank: #2010 (+34)
20M → 21M
7:24 | 7:24/mi
35K· 21.75 mi
2:23:20
Rank: #1993 (+17)
21M → 35K
5:08 | 6:52/mi
23M
2:32:17
Rank: #1976 (+17)
35K → 23M
8:57 | 7:09/mi
24M
2:39:25
Rank: #1972 (+4)
23M → 24M
7:08 | 7:08/mi
40K· 24.85 mi
2:45:52
Rank: #2011 (-39)
24M → 40K
6:27 | 7:33/mi
25.2M
2:48:44
Rank: #2013 (-2)
40K → 25.2M
2:52 | 8:19/mi
Finish· 26.22 mi
2:56:26
Rank: #2121 (-108)
25.2M → Finish
7:42 | 7:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:29
Pace6:27 /mi
2nd Half
Distance13.11 mi
Time1:31:57
Pace7:01 /mi
📊Positive Split: 8.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:0320:026:2720:02
6:27
-
10K
6.21 mi10:43:0340:026:2720:00
6:26
-0:01
15K
9.32 mi11:03:061:00:056:2720:03
6:27
+0:01
20K
12.43 mi11:23:081:20:076:2720:02
6:27
0:00
Half
13.11 mi11:27:301:24:296:274:22
6:24
-0:03
25K
15.53 mi11:43:191:40:186:2715:49
6:31
+0:07
30K
18.64 mi12:04:262:01:256:3121:07
6:48
+0:17
20M
20.00 mi12:13:492:10:486:329:23
6:54
+0:06
21M
21.00 mi12:21:132:18:126:357:24
7:24
+0:30
35K
21.75 mi12:26:212:23:206:355:08
6:52
-0:32
23M
23.00 mi12:35:182:32:176:378:57
7:09
+0:17
24M
24.00 mi12:42:262:39:256:397:08
7:08
-0:01
40K
24.85 mi12:48:532:45:526:406:27
7:33
+0:25
25.2M
25.20 mi12:51:452:48:446:422:52
8:19
+0:46
Finish
26.22 mi12:59:272:56:266:447:42
7:33
-0:46

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

6:24 /mi

Average Pace

6:44 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:18

57% of race

Time at Steady Pace

42:46

24% of race

Time at Slower Pace

33:22

19% of race

Average Pace: 6:44 /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 mi10:23:0320:026:2720:02
6:27
#3002
10K
6.21 mi10:43:0340:026:2720:00
6:26
#2770
15K
9.32 mi11:03:061:00:056:2720:03
6:27
#2636
20K
12.43 mi11:23:081:20:076:2720:02
6:27
#2399
Half
13.11 mi11:27:301:24:296:274:22
6:24
#2376
25K
15.53 mi11:43:191:40:186:2715:49
6:31
#2232
30K
18.64 mi12:04:262:01:256:3121:07
6:48
#2097
20M
20.00 mi12:13:492:10:486:329:23
6:54
#2044
21M
21.00 mi12:21:132:18:126:357:24
7:24
#2010
35K
21.75 mi12:26:212:23:206:355:08
6:52
#1993
23M
23.00 mi12:35:182:32:176:378:57
7:09
#1976
24M
24.00 mi12:42:262:39:256:397:08
7:08
#1972
40K
24.85 mi12:48:532:45:526:406:27
7:33
#2011
25.2M
25.20 mi12:51:452:48:446:422:52
8:19
#2013
Finish
26.22 mi12:59:272:56:266:447:42
7:33
#2121
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi3002286928692466(Top 10%)2371(Top 16%)2371(Top 107%)
10K6.21 mi3.10 mi2770+2322657+2122657+2122616(Top 10%)2509(Top 17%)2509(Top 113%)
15K9.32 mi3.11 mi2636+1342531+1262531+1262466(Top 10%)2371(Top 16%)2371(Top 107%)
20K12.43 mi3.11 mi2399+2372307+2242307+2241935(Top 8%)1867(Top 13%)1867(Top 84%)
Half13.11 mi0.68 mi2376+232285+222285+222109(Top 8%)2031(Top 14%)2031(Top 92%)
25K15.53 mi2.42 mi2232+1442152+1332152+1331870(Top 7%)1797(Top 12%)1797(Top 81%)
30K18.64 mi3.11 mi2097+1352019+1332019+1331926(Top 8%)1824(Top 13%)1824(Top 82%)
20M20.00 mi1.36 mi2044+531967+521967+521970(Top 8%)1852(Top 13%)1852(Top 83%)
21M21.00 mi1.00 mi2010+341928+391928+392185(Top 9%)2017(Top 14%)2017(Top 91%)
35K21.75 mi0.75 mi1993+171909+191909+192493(Top 10%)2269(Top 16%)2269(Top 102%)
23M23.00 mi1.25 mi1976+171892+171892+172398(Top 9%)2162(Top 15%)2162(Top 97%)
24M24.00 mi1.00 mi1972+41884+81884+82748(Top 11%)2420(Top 17%)2420(Top 109%)
40K24.85 mi0.85 mi2011-391920-361920-363642(Top 14%)2975(Top 20%)2975(Top 134%)
25.2M25.20 mi0.35 mi2013-21921-11921-13701(Top 14%)2960(Top 20%)2960(Top 133%)
Finish26.22 mi1.02 mi2121-1082009-882009-885903(Top 23%)4273(Top 29%)4273(Top 193%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2466

Males

2371

M45-49

2371

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2616

Males

2509

M45-49

2509

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2466

Males

2371

M45-49

2371

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

1935

Males

1867

M45-49

1867

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2109

Males

2031

M45-49

2031

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1870

Males

1797

M45-49

1797

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

1926

Males

1824

M45-49

1824

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

1970

Males

1852

M45-49

1852

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2185

Males

2017

M45-49

2017

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2493

Males

2269

M45-49

2269

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2398

Males

2162

M45-49

2162

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

2748

Males

2420

M45-49

2420

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3642

Males

2975

M45-49

2975

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3701

Males

2960

M45-49

2960

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

5903

Males

4273

M45-49

4273

Passing Analysis

Category:
Athletes Passed
1406
Passed By
525
Net Change
+881
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3002
5K → 10K27846+232#3002#2770
10K → 15K17743+134#2770#2636
15K → 20K2436+237#2636#2399
20K → Half252+23#2399#2376
Half → 25K16319+144#2376#2232
25K → 30K18550+135#2232#2097
30K → 20M7926+53#2097#2044
20M → 21M6329+34#2044#2010
21M → 35K3922+17#2010#1993
35K → 23M5942+17#1993#1976
23M → 24M4440+4#1976#1972
24M → 40K1756-39#1972#2011
40K → 25.2M2123-2#2011#2013
25.2M → Finish13121-108#2013#2121
TOTALS1406525+881
📊

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