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BOSTON MARATHON 2024

John Casterline

Bib: 7997•M

AL

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:50
Rank: #16725
Start → 5K
25:50 | 8:19/mi
10K· 6.21 mi
51:41
Rank: #16448 (+277)
5K → 10K
25:51 | 8:19/mi
15K· 9.32 mi
1:17:31
Rank: #16021 (+427)
10K → 15K
25:50 | 8:19/mi
20K· 12.43 mi
1:43:25
Rank: #15395 (+626)
15K → 20K
25:54 | 8:20/mi
Half· 13.11 mi
1:49:04
Rank: #15345 (+50)
20K → Half
5:39 | 8:17/mi
25K· 15.53 mi
2:09:21
Rank: #14791 (+554)
Half → 25K
20:17 | 8:22/mi
30K· 18.64 mi
2:36:33
Rank: #14196 (+595)
25K → 30K
27:12 | 8:45/mi
20M
2:48:35
Rank: #13969 (+227)
30K → 20M
12:02 | 8:51/mi
21M
2:58:37
Rank: #13892 (+77)
20M → 21M
10:02 | 10:02/mi
35K· 21.75 mi
3:05:29
Rank: #13857 (+35)
21M → 35K
6:52 | 9:11/mi
23M
3:17:53
Rank: #13972 (-115)
35K → 23M
12:24 | 9:54/mi
24M
3:27:44
Rank: #14089 (-117)
23M → 24M
9:51 | 9:51/mi
40K· 24.85 mi
3:36:17
Rank: #14128 (-39)
24M → 40K
8:33 | 10:00/mi
25.2M
3:40:18
Rank: #14186 (-58)
40K → 25.2M
4:01 | 11:39/mi
Finish· 26.22 mi
3:49:58
Rank: #14262 (-76)
25.2M → Finish
9:40 | 9:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:04
Pace8:19 /mi
2nd Half
Distance13.11 mi
Time2:00:54
Pace9:13 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:32:5825:508:1925:50
8:19
-
10K
6.21 mi10:58:4951:418:1925:51
8:19
0:00
15K
9.32 mi11:24:391:17:318:1925:50
8:19
0:00
20K
12.43 mi11:50:331:43:258:1925:54
8:20
+0:01
Half
13.11 mi11:56:121:49:048:195:39
8:17
-0:03
25K
15.53 mi12:16:292:09:218:2020:17
8:22
+0:05
30K
18.64 mi12:43:412:36:338:2427:12
8:45
+0:23
20M
20.00 mi12:55:432:48:358:2612:02
8:51
+0:06
21M
21.00 mi13:05:452:58:378:3010:02
10:02
+1:11
35K
21.75 mi13:12:373:05:298:326:52
9:11
-0:51
23M
23.00 mi13:25:013:17:538:3612:24
9:54
+0:43
24M
24.00 mi13:34:523:27:448:399:51
9:51
-0:03
40K
24.85 mi13:43:253:36:178:428:33
10:00
+0:09
25.2M
25.20 mi13:47:263:40:188:454:01
11:39
+1:39
Finish
26.22 mi13:57:063:49:588:479:40
9:29
-2:10

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

8:17 /mi

Average Pace

8:47 /mi

Slowest Pace

11:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:21

56% of race

Time at Steady Pace

46:06

20% of race

Time at Slower Pace

54:31

24% of race

Average Pace: 8:46 /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 mi10:32:5825:508:1925:50
8:19
#16725
10K
6.21 mi10:58:4951:418:1925:51
8:19
#16448
15K
9.32 mi11:24:391:17:318:1925:50
8:19
#16021
20K
12.43 mi11:50:331:43:258:1925:54
8:20
#15395
Half
13.11 mi11:56:121:49:048:195:39
8:17
#15345
25K
15.53 mi12:16:292:09:218:2020:17
8:22
#14791
30K
18.64 mi12:43:412:36:338:2427:12
8:45
#14196
20M
20.00 mi12:55:432:48:358:2612:02
8:51
#13969
21M
21.00 mi13:05:452:58:378:3010:02
10:02
#13892
35K
21.75 mi13:12:373:05:298:326:52
9:11
#13857
23M
23.00 mi13:25:013:17:538:3612:24
9:54
#13972
24M
24.00 mi13:34:523:27:448:399:51
9:51
#14089
40K
24.85 mi13:43:253:36:178:428:33
10:00
#14128
25.2M
25.20 mi13:47:263:40:188:454:01
11:39
#14186
Finish
26.22 mi13:57:063:49:588:479:40
9:29
#14262
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi16725106881068815340(Top 60%)10131(Top 69%)10131(Top 864%)
10K6.21 mi3.10 mi16448+27710579+10910579+10916233(Top 64%)10527(Top 72%)10527(Top 897%)
15K9.32 mi3.11 mi16021+42710412+16710412+16715340(Top 60%)10131(Top 69%)10131(Top 864%)
20K12.43 mi3.11 mi15395+62610159+25310159+25313914(Top 54%)9511(Top 65%)9511(Top 811%)
Half13.11 mi0.68 mi15345+5010135+2410135+2414459(Top 57%)9693(Top 66%)9693(Top 826%)
25K15.53 mi2.42 mi14791+5549885+2509885+25012341(Top 48%)8619(Top 59%)8619(Top 735%)
30K18.64 mi3.11 mi14196+5959571+3149571+31411972(Top 47%)8224(Top 56%)8224(Top 701%)
20M20.00 mi1.36 mi13969+2279416+1559416+15511355(Top 44%)7661(Top 53%)7661(Top 653%)
21M21.00 mi1.00 mi13892+779322+949322+9413074(Top 51%)8218(Top 56%)8218(Top 701%)
35K21.75 mi0.75 mi13857+359276+469276+4614143(Top 55%)8707(Top 60%)8707(Top 742%)
23M23.00 mi1.25 mi13972-1159275+19275+115122(Top 59%)9109(Top 62%)9109(Top 777%)
24M24.00 mi1.00 mi14089-1179275927515807(Top 62%)9419(Top 65%)9419(Top 803%)
40K24.85 mi0.85 mi14128-399264+119264+1114980(Top 59%)8943(Top 61%)8943(Top 762%)
25.2M25.20 mi0.35 mi14186-589268-49268-416409(Top 64%)9626(Top 66%)9626(Top 821%)
Finish26.22 mi1.02 mi14262-769269-19269-116448(Top 64%)9676(Top 66%)9676(Top 825%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

15340

Males

10131

M60-64

10131

5K→10K

3.1 - 6.2 mi

Top 64%
×5stories
+79ft-138ft

Overall

16233

Males

10527

M60-64

10527

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

15340

Males

10131

M60-64

10131

15K→20K

9.3 - 12.4 mi

Top 54%
×5stories
+106ft-86ft

Overall

13914

Males

9511

M60-64

9511

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

14459

Males

9693

M60-64

9693

Half→25K

13.1 - 15.5 mi

Top 48%
×4stories
+66ft-88ft

Overall

12341

Males

8619

M60-64

8619

25K→30K

15.5 - 18.6 mi

Top 47%
×9stories
+181ft-148ft

Overall

11972

Males

8224

M60-64

8224

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

11355

Males

7661

M60-64

7661

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

13074

Males

8218

M60-64

8218

21M→35K

21.0 - 21.8 mi

Top 55%
×7stories
+17ft-86ft

Overall

14143

Males

8707

M60-64

8707

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

15122

Males

9109

M60-64

9109

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

15807

Males

9419

M60-64

9419

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

14980

Males

8943

M60-64

8943

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

16409

Males

9626

M60-64

9626

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

16448

Males

9676

M60-64

9676

Passing Analysis

Category:
Athletes Passed
3676
Passed By
1213
Net Change
+2463
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16725
5K → 10K426149+277#16725#16448
10K → 15K48861+427#16448#16021
15K → 20K64519+626#16021#15395
20K → Half6919+50#15395#15345
Half → 25K56511+554#15345#14791
25K → 30K63035+595#14791#14196
30K → 20M25730+227#14196#13969
20M → 21M16992+77#13969#13892
21M → 35K10772+35#13892#13857
35K → 23M81196-115#13857#13972
23M → 24M83200-117#13972#14089
24M → 40K63102-39#14089#14128
40K → 25.2M3088-58#14128#14186
25.2M → Finish63139-76#14186#14262
TOTALS36761213+2463
📊

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