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BOSTON MARATHON 2024

Douglas Cassidy

Bib: 29183•M

NJ

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:42
Rank: #20933
Start → 5K
28:42 | 9:14/mi
10K· 6.21 mi
56:59
Rank: #20541 (+392)
5K → 10K
28:17 | 9:06/mi
15K· 9.32 mi
1:25:28
Rank: #20215 (+326)
10K → 15K
28:29 | 9:10/mi
20K· 12.43 mi
1:54:43
Rank: #19869 (+346)
15K → 20K
29:15 | 9:25/mi
Half· 13.11 mi
2:01:02
Rank: #19848 (+21)
20K → Half
6:19 | 9:16/mi
25K· 15.53 mi
2:26:31
Rank: #19964 (-116)
Half → 25K
25:29 | 10:31/mi
30K· 18.64 mi
3:01:14
Rank: #20024 (-60)
25K → 30K
34:43 | 11:10/mi
20M
3:16:26
Rank: #19975 (+49)
30K → 20M
15:12 | 11:11/mi
21M
3:28:11
Rank: #19860 (+115)
20M → 21M
11:45 | 11:45/mi
35K· 21.75 mi
3:35:49
Rank: #19765 (+95)
21M → 35K
7:38 | 10:12/mi
23M
3:49:46
Rank: #19698 (+67)
35K → 23M
13:57 | 11:08/mi
24M
4:01:11
Rank: #19700 (-2)
23M → 24M
11:25 | 11:25/mi
40K· 24.85 mi
4:10:23
Rank: #19620 (+80)
24M → 40K
9:12 | 10:46/mi
25.2M
4:14:13
Rank: #19527 (+93)
40K → 25.2M
3:50 | 11:07/mi
Finish· 26.22 mi
4:24:09
Rank: #19437 (+90)
25.2M → Finish
9:56 | 9:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:02
Pace9:14 /mi
2nd Half
Distance13.11 mi
Time2:23:07
Pace10:55 /mi
📊Positive Split: 18.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:4628:429:1428:42
9:14
-
10K
6.21 mi12:19:0356:599:1028:17
9:06
-0:08
15K
9.32 mi12:47:321:25:289:1028:29
9:10
+0:04
20K
12.43 mi13:16:471:54:439:1429:15
9:25
+0:15
Half
13.11 mi13:23:062:01:029:146:19
9:16
-0:09
25K
15.53 mi13:48:352:26:319:2625:29
10:31
+1:15
30K
18.64 mi14:23:183:01:149:4334:43
11:10
+0:39
20M
20.00 mi14:38:303:16:269:4915:12
11:11
+0:01
21M
21.00 mi14:50:153:28:119:5511:45
11:45
+0:34
35K
21.75 mi14:57:533:35:499:557:38
10:12
-1:33
23M
23.00 mi15:11:503:49:469:5913:57
11:08
+0:56
24M
24.00 mi15:23:154:01:1110:0311:25
11:25
+0:17
40K
24.85 mi15:32:274:10:2310:049:12
10:46
-0:39
25.2M
25.20 mi15:36:174:14:1310:053:50
11:07
+0:21
Finish
26.22 mi15:46:134:24:0910:059:56
9:45
-1:22

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

9:06 /mi

Average Pace

10:05 /mi

Slowest Pace

11:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:58

50% of race

Time at Steady Pace

42:19

16% of race

Time at Slower Pace

1:30:52

34% of race

Average Pace: 10:04 /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 mi11:50:4628:429:1428:42
9:14
#20933
10K
6.21 mi12:19:0356:599:1028:17
9:06
#20541
15K
9.32 mi12:47:321:25:289:1028:29
9:10
#20215
20K
12.43 mi13:16:471:54:439:1429:15
9:25
#19869
Half
13.11 mi13:23:062:01:029:146:19
9:16
#19848
25K
15.53 mi13:48:352:26:319:2625:29
10:31
#19964
30K
18.64 mi14:23:183:01:149:4334:43
11:10
#20024
20M
20.00 mi14:38:303:16:269:4915:12
11:11
#19975
21M
21.00 mi14:50:153:28:119:5511:45
11:45
#19860
35K
21.75 mi14:57:533:35:499:557:38
10:12
#19765
23M
23.00 mi15:11:503:49:469:5913:57
11:08
#19698
24M
24.00 mi15:23:154:01:1110:0311:25
11:25
#19700
40K
24.85 mi15:32:274:10:2310:049:12
10:46
#19620
25.2M
25.20 mi15:36:174:14:1310:053:50
11:07
#19527
Finish
26.22 mi15:46:134:24:0910:059:56
9:45
#19437
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20933125141251419600(Top 77%)11988(Top 82%)11988(Top 247%)
10K6.21 mi3.10 mi20541+39212359+15512359+15520163(Top 79%)12210(Top 84%)12210(Top 252%)
15K9.32 mi3.11 mi20215+32612225+13412225+13419600(Top 77%)11988(Top 82%)11988(Top 247%)
20K12.43 mi3.11 mi19869+34612069+15612069+15618914(Top 74%)11646(Top 80%)11646(Top 240%)
Half13.11 mi0.68 mi19848+2112059+1012059+1019282(Top 75%)11755(Top 81%)11755(Top 242%)
25K15.53 mi2.42 mi19964-11612105-4612105-4620431(Top 80%)12235(Top 84%)12235(Top 252%)
30K18.64 mi3.11 mi20024-6012074+3112074+3120371(Top 80%)12030(Top 83%)12030(Top 248%)
20M20.00 mi1.36 mi19975+4912025+4912025+4919695(Top 77%)11586(Top 79%)11586(Top 239%)
21M21.00 mi1.00 mi19860+11511947+7811947+7818236(Top 71%)10755(Top 74%)10755(Top 222%)
35K21.75 mi0.75 mi19765+9511885+6211885+6217756(Top 69%)10517(Top 72%)10517(Top 217%)
23M23.00 mi1.25 mi19698+6711820+6511820+6518806(Top 74%)10979(Top 75%)10979(Top 226%)
24M24.00 mi1.00 mi19700-211807+1311807+1320245(Top 79%)11650(Top 80%)11650(Top 240%)
40K24.85 mi0.85 mi19620+8011748+5911748+5917450(Top 68%)10171(Top 70%)10171(Top 210%)
25.2M25.20 mi0.35 mi19527+9311700+4811700+4814883(Top 58%)8880(Top 61%)8880(Top 183%)
Finish26.22 mi1.02 mi19437+9011644+5611644+5617523(Top 69%)10217(Top 70%)10217(Top 211%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

19600

Males

11988

M18-39

11988

5K→10K

3.1 - 6.2 mi

Top 79%
×5stories
+79ft-138ft

Overall

20163

Males

12210

M18-39

12210

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

19600

Males

11988

M18-39

11988

15K→20K

9.3 - 12.4 mi

Top 74%
×5stories
+106ft-86ft

Overall

18914

Males

11646

M18-39

11646

20K→Half

12.4 - 13.1 mi

Top 75%
×2stories
+19ft-37ft

Overall

19282

Males

11755

M18-39

11755

Half→25K

13.1 - 15.5 mi

Top 80%
×4stories
+66ft-88ft

Overall

20431

Males

12235

M18-39

12235

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

20371

Males

12030

M18-39

12030

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

19695

Males

11586

M18-39

11586

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

18236

Males

10755

M18-39

10755

21M→35K

21.0 - 21.8 mi

Top 69%
×7stories
+17ft-86ft

Overall

17756

Males

10517

M18-39

10517

35K→23M

21.8 - 23.0 mi

Top 74%
×5stories
+23ft-63ft

Overall

18806

Males

10979

M18-39

10979

23M→24M

23.0 - 24.0 mi

Top 79%
×6stories
+12ft-82ft

Overall

20245

Males

11650

M18-39

11650

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

17450

Males

10171

M18-39

10171

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

14883

Males

8880

M18-39

8880

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2stories
+22ft-21ft

Overall

17523

Males

10217

M18-39

10217

Passing Analysis

Category:
Athletes Passed
2468
Passed By
972
Net Change
+1496
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20933
5K → 10K492100+392#20933#20541
10K → 15K39266+326#20541#20215
15K → 20K41367+346#20215#19869
20K → Half4625+21#19869#19848
Half → 25K129245-116#19848#19964
25K → 30K151211-60#19964#20024
30K → 20M10051+49#20024#19975
20M → 21M14732+115#19975#19860
21M → 35K1049+95#19860#19765
35K → 23M12659+67#19765#19698
23M → 24M6466-2#19698#19700
24M → 40K9818+80#19700#19620
40K → 25.2M952+93#19620#19527
25.2M → Finish11121+90#19527#19437
TOTALS2468972+1496
📊

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