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BOSTON MARATHON 2024

John Castonguay

Bib: 4129•M

NY

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 16%
Gender (Male)
#0 / 14578
Top 26%
Division (M18-39)
#0 / 4849
Top 49%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:01
Rank: #2976
Start → 5K
6:27/mi
20:01 split
10K· 6.21 mi
40:09
Rank: #2910 (+66)
5K → 10K
6:29/mi
20:08 split
15K· 9.32 mi
1:00:21
Rank: #2791 (+119)
10K → 15K
6:30/mi
20:12 split
20K· 12.43 mi
1:20:21
Rank: #2505 (+286)
15K → 20K
6:26/mi
20:00 split
Half· 13.11 mi
1:24:41
Rank: #2465 (+40)
20K → Half
6:21/mi
4:20 split
25K· 15.53 mi
1:40:21
Rank: #2256 (+209)
Half → 25K
6:28/mi
15:40 split
30K· 18.64 mi
2:02:16
Rank: #2300 (-44)
25K → 30K
7:03/mi
21:55 split
20M
2:12:35
Rank: #2444 (-144)
30K → 20M
7:36/mi
10:19 split
21M
2:21:56
Rank: #2893 (-449)
20M → 21M
9:21/mi
9:21 split
35K· 21.75 mi
2:28:28
Rank: #3220 (-327)
21M → 35K
8:44/mi
6:32 split
23M
2:40:30
Rank: #3801 (-581)
35K → 23M
9:37/mi
12:02 split
24M
2:48:46
Rank: #3927 (-126)
23M → 24M
8:16/mi
8:16 split
40K· 24.85 mi
2:55:55
Rank: #3988 (-61)
24M → 40K
8:22/mi
7:09 split
25.2M
2:59:45
Rank: #4135 (-147)
40K → 25.2M
11:07/mi
3:50 split
Finish· 26.22 mi
3:07:44
Rank: #4189 (-54)
25.2M → Finish
7:50/mi
7:59 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:41
Pace6:28 /mi
2nd Half
Distance13.11 mi
Time1:43:03
Pace7:52 /mi
📊Positive Split: 21.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:0320:016:2720:01
6:27
-
10K
6.21 mi10:43:1140:096:2820:08
6:29
+0:02
15K
9.32 mi11:03:231:00:216:2820:12
6:30
+0:01
20K
12.43 mi11:23:231:20:216:2820:00
6:26
-0:04
Half
13.11 mi11:27:431:24:416:284:20
6:21
-0:05
25K
15.53 mi11:43:231:40:216:2815:40
6:28
+0:07
30K
18.64 mi12:05:182:02:166:3421:55
7:03
+0:35
20M
20.00 mi12:15:372:12:356:3810:19
7:36
+0:33
21M
21.00 mi12:24:582:21:566:469:21
9:21
+1:45
35K
21.75 mi12:31:302:28:286:506:32
8:44
-0:37
23M
23.00 mi12:43:322:40:306:5912:02
9:37
+0:53
24M
24.00 mi12:51:482:48:467:028:16
8:16
-1:21
40K
24.85 mi12:58:572:55:557:057:09
8:22
+0:06
25.2M
25.20 mi13:02:472:59:457:083:50
11:07
+2:45
Finish
26.22 mi13:10:463:07:447:107:59
7:50
-3:17

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

6:21 /mi

Average Pace

7:10 /mi

Slowest Pace

11:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:21

53% of race

Time at Steady Pace

48:29

26% of race

Time at Slower Pace

38:54

21% of race

Average Pace: 7:10 /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 mi10:23:0320:016:2720:01
6:27
#2976
10K
6.21 mi10:43:1140:096:2820:08
6:29
#2910
15K
9.32 mi11:03:231:00:216:2820:12
6:30
#2791
20K
12.43 mi11:23:231:20:216:2820:00
6:26
#2505
Half
13.11 mi11:27:431:24:416:284:20
6:21
#2465
25K
15.53 mi11:43:231:40:216:2815:40
6:28
#2256
30K
18.64 mi12:05:182:02:166:3421:55
7:03
#2300
20M
20.00 mi12:15:372:12:356:3810:19
7:36
#2444
21M
21.00 mi12:24:582:21:566:469:21
9:21
#2893
35K
21.75 mi12:31:302:28:286:506:32
8:44
#3220
23M
23.00 mi12:43:322:40:306:5912:02
9:37
#3801
24M
24.00 mi12:51:482:48:467:028:16
8:16
#3927
40K
24.85 mi12:58:572:55:557:057:09
8:22
#3988
25.2M
25.20 mi13:02:472:59:457:083:50
11:07
#4135
Finish
26.22 mi13:10:463:07:447:107:59
7:50
#4189
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2976284628462727(Top 11%)2613(Top 18%)2613(Top 54%)
10K6.21 mi3.10 mi2910+662785+612785+612879(Top 11%)2750(Top 19%)2750(Top 57%)
15K9.32 mi3.11 mi2791+1192674+1112674+1112727(Top 11%)2613(Top 18%)2613(Top 54%)
20K12.43 mi3.11 mi2505+2862407+2672407+2671889(Top 7%)1823(Top 13%)1823(Top 38%)
Half13.11 mi0.68 mi2465+402368+392368+391909(Top 7%)1846(Top 13%)1846(Top 38%)
25K15.53 mi2.42 mi2256+2092175+1932175+1931632(Top 6%)1575(Top 11%)1575(Top 32%)
30K18.64 mi3.11 mi2300-442201-262201-263130(Top 12%)2899(Top 20%)2899(Top 60%)
20M20.00 mi1.36 mi2444-1442333-1322333-1324683(Top 18%)4034(Top 28%)4034(Top 83%)
21M21.00 mi1.00 mi2893-4492736-4032736-40310148(Top 40%)6810(Top 47%)6810(Top 140%)
35K21.75 mi0.75 mi3220-3273021-2853021-28511927(Top 47%)7629(Top 52%)7629(Top 157%)
23M23.00 mi1.25 mi3801-5813517-4963517-49613944(Top 55%)8519(Top 58%)8519(Top 176%)
24M24.00 mi1.00 mi3927-1263602-853602-858089(Top 32%)5528(Top 38%)5528(Top 114%)
40K24.85 mi0.85 mi3988-613632-303632-307620(Top 30%)5165(Top 35%)5165(Top 107%)
25.2M25.20 mi0.35 mi4135-1473735-1033735-10314812(Top 58%)8809(Top 60%)8809(Top 182%)
Finish26.22 mi1.02 mi4189-543758-233758-237497(Top 29%)5137(Top 35%)5137(Top 106%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

2727

Males

2613

M18-39

2613

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

2879

Males

2750

M18-39

2750

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

2727

Males

2613

M18-39

2613

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1889

Males

1823

M18-39

1823

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

1909

Males

1846

M18-39

1846

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1632

Males

1575

M18-39

1575

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3130

Males

2899

M18-39

2899

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

4683

Males

4034

M18-39

4034

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

10148

Males

6810

M18-39

6810

21M→35K

21.0 - 21.8 mi

Top 47%
×7stories
+17ft-86ft

Overall

11927

Males

7629

M18-39

7629

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

13944

Males

8519

M18-39

8519

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

8089

Males

5528

M18-39

5528

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7620

Males

5165

M18-39

5165

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

14812

Males

8809

M18-39

8809

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2stories
+22ft-21ft

Overall

7497

Males

5137

M18-39

5137

Passing Analysis

Category:
Athletes Passed
1172
Passed By
2385
Net Change
-1213
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2976
5K → 10K174108+66#2976#2910
10K → 15K17354+119#2910#2791
15K → 20K2893+286#2791#2505
20K → Half433+40#2505#2465
Half → 25K2189+209#2465#2256
25K → 30K102146-44#2256#2300
30K → 20M32176-144#2300#2444
20M → 21M15464-449#2444#2893
21M → 35K12339-327#2893#3220
35K → 23M12593-581#3220#3801
23M → 24M28154-126#3801#3927
24M → 40K3697-61#3927#3988
40K → 25.2M4151-147#3988#4135
25.2M → Finish3488-54#4135#4189
TOTALS11722385-1213
📊

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