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BOSTON MARATHON 2024

John Kemerer

Bib: 12667•M

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 32%
Gender (Male)
#0 / 14578
Top 44%
Masters (Masters Men)
#0 / 9729
Top 33%
Division (M60-64)
#0 / 1173
Top 7%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:46
Rank: #11903
Start → 5K
7:39/mi
23:46 split
10K· 6.21 mi
47:49
Rank: #12041 (-138)
5K → 10K
7:44/mi
24:03 split
15K· 9.32 mi
1:11:55
Rank: #11856 (+185)
10K → 15K
7:45/mi
24:06 split
20K· 12.43 mi
1:36:26
Rank: #11597 (+259)
15K → 20K
7:53/mi
24:31 split
Half· 13.11 mi
1:41:44
Rank: #11550 (+47)
20K → Half
7:46/mi
5:18 split
25K· 15.53 mi
2:01:03
Rank: #11218 (+332)
Half → 25K
7:58/mi
19:19 split
30K· 18.64 mi
2:26:00
Rank: #10475 (+743)
25K → 30K
8:02/mi
24:57 split
20M
2:36:51
Rank: #10082 (+393)
30K → 20M
7:59/mi
10:51 split
21M
2:45:15
Rank: #9731 (+351)
20M → 21M
8:24/mi
8:24 split
35K· 21.75 mi
2:50:47
Rank: #9436 (+295)
21M → 35K
7:24/mi
5:32 split
23M
3:00:28
Rank: #9000 (+436)
35K → 23M
7:44/mi
9:41 split
24M
3:08:01
Rank: #8729 (+271)
23M → 24M
7:33/mi
7:33 split
40K· 24.85 mi
3:14:39
Rank: #8506 (+223)
24M → 40K
7:45/mi
6:38 split
25.2M
3:17:38
Rank: #8403 (+103)
40K → 25.2M
8:39/mi
2:59 split
Finish· 26.22 mi
3:25:16
Rank: #8248 (+155)
25.2M → Finish
7:29/mi
7:38 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:44
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time1:43:32
Pace7:54 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1923:467:3923:46
7:39
-
10K
6.21 mi11:16:2247:497:4224:03
7:44
+0:05
15K
9.32 mi11:40:281:11:557:4324:06
7:45
+0:01
20K
12.43 mi12:04:591:36:267:4624:31
7:53
+0:08
Half
13.11 mi12:10:171:41:447:465:18
7:46
-0:07
25K
15.53 mi12:29:362:01:037:4819:19
7:58
+0:12
30K
18.64 mi12:54:332:26:007:5024:57
8:02
+0:04
20M
20.00 mi13:05:242:36:517:5110:51
7:59
-0:03
21M
21.00 mi13:13:482:45:157:528:24
8:24
+0:25
35K
21.75 mi13:19:202:50:477:515:32
7:24
-1:00
23M
23.00 mi13:29:013:00:287:519:41
7:44
+0:20
24M
24.00 mi13:36:343:08:017:507:33
7:33
-0:11
40K
24.85 mi13:43:123:14:397:506:38
7:45
+0:12
25.2M
25.20 mi13:46:113:17:387:512:59
8:39
+0:54
Finish
26.22 mi13:53:493:25:167:507:38
7:29
-1:10

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

7:24 /mi

Average Pace

7:50 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:13:53

94% of race

Time at Steady Pace

11:23

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:50 /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 mi10:52:1923:467:3923:46
7:39
#11903
10K
6.21 mi11:16:2247:497:4224:03
7:44
#12041
15K
9.32 mi11:40:281:11:557:4324:06
7:45
#11856
20K
12.43 mi12:04:591:36:267:4624:31
7:53
#11597
Half
13.11 mi12:10:171:41:447:465:18
7:46
#11550
25K
15.53 mi12:29:362:01:037:4819:19
7:58
#11218
30K
18.64 mi12:54:332:26:007:5024:57
8:02
#10475
20M
20.00 mi13:05:242:36:517:5110:51
7:59
#10082
21M
21.00 mi13:13:482:45:157:528:24
8:24
#9731
35K
21.75 mi13:19:202:50:477:515:32
7:24
#9436
23M
23.00 mi13:29:013:00:287:519:41
7:44
#9000
24M
24.00 mi13:36:343:08:017:507:33
7:33
#8729
40K
24.85 mi13:43:123:14:397:506:38
7:45
#8506
25.2M
25.20 mi13:46:113:17:387:512:59
8:39
#8403
Finish
26.22 mi13:53:493:25:167:507:38
7:29
#8248
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi119038799879911590(Top 45%)8548(Top 59%)8548(Top 729%)
10K6.21 mi3.10 mi12041-1388815-168815-1612159(Top 48%)8848(Top 61%)8848(Top 754%)
15K9.32 mi3.11 mi11856+1858702+1138702+11311590(Top 45%)8548(Top 59%)8548(Top 729%)
20K12.43 mi3.11 mi11597+2598573+1298573+12911058(Top 43%)8188(Top 56%)8188(Top 698%)
Half13.11 mi0.68 mi11550+478553+208553+2011017(Top 43%)8162(Top 56%)8162(Top 696%)
25K15.53 mi2.42 mi11218+3328354+1998354+1999960(Top 39%)7469(Top 51%)7469(Top 637%)
30K18.64 mi3.11 mi10475+7437892+4627892+4628032(Top 31%)6229(Top 43%)6229(Top 531%)
20M20.00 mi1.36 mi10082+3937640+2527640+2526669(Top 26%)5258(Top 36%)5258(Top 448%)
21M21.00 mi1.00 mi9731+3517418+2227418+2225772(Top 23%)4565(Top 31%)4565(Top 389%)
35K21.75 mi0.75 mi9436+2957230+1887230+1884609(Top 18%)3879(Top 27%)3879(Top 331%)
23M23.00 mi1.25 mi9000+4366941+2896941+2894514(Top 18%)3696(Top 25%)3696(Top 315%)
24M24.00 mi1.00 mi8729+2716753+1886753+1884346(Top 17%)3524(Top 24%)3524(Top 300%)
40K24.85 mi0.85 mi8506+2236586+1676586+1674572(Top 18%)3553(Top 24%)3553(Top 303%)
25.2M25.20 mi0.35 mi8403+1036500+866500+865054(Top 20%)3775(Top 26%)3775(Top 322%)
Finish26.22 mi1.02 mi8248+1556373+1276373+1275574(Top 22%)4123(Top 28%)4123(Top 351%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21stories
+97ft-345ft

Overall

11590

Males

8548

M60-64

8548

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

12159

Males

8848

M60-64

8848

10K→15K

6.2 - 9.3 mi

Top 45%
×3stories
+67ft-78ft

Overall

11590

Males

8548

M60-64

8548

15K→20K

9.3 - 12.4 mi

Top 43%
×5stories
+106ft-86ft

Overall

11058

Males

8188

M60-64

8188

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

11017

Males

8162

M60-64

8162

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

9960

Males

7469

M60-64

7469

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

8032

Males

6229

M60-64

6229

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

6669

Males

5258

M60-64

5258

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

5772

Males

4565

M60-64

4565

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4609

Males

3879

M60-64

3879

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

4514

Males

3696

M60-64

3696

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4346

Males

3524

M60-64

3524

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4572

Males

3553

M60-64

3553

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5054

Males

3775

M60-64

3775

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

5574

Males

4123

M60-64

4123

Passing Analysis

Category:
Athletes Passed
4372*
Passed By
717
Net Change
+3655
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11903
5K → 10K230368-138#11903#12041
10K → 15K322137+185#12041#11856
15K → 20K35596+259#11856#11597
20K → Half6518+47#11597#11550
Half → 25K37846+332#11550#11218
25K → 30K75512+743#11218#10475
30K → 20M3985+393#10475#10082
20M → 21M359*8+351#10082#9731
21M → 35K2950+295#9731#9436
35K → 23M4382+436#9436#9000
23M → 24M2743+271#9000#8729
24M → 40K2285+223#8729#8506
40K → 25.2M1074+103#8506#8403
25.2M → Finish16813+155#8403#8248
TOTALS4372*717+3655

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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