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BOSTON MARATHON 2024

James Cassidy

Bib: 28321•M

MA

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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:53/mi
30:41
↑ 97↓ 3451.5%
10K· 6.21 mi
10:06/mi
1:02:05
↑ 79↓ 1380.4%
15K· 9.32 mi
10:16/mi
1:34:00
↑ 67↓ 78
20K· 12.43 mi
10:45/mi
2:07:24
↑ 106↓ 860.1%
Half· 13.11 mi
10:17/mi
2:14:25
↑ 19↓ 370.5%
25K· 15.53 mi
11:21/mi
2:41:57
↑ 66↓ 880.2%
30K· 18.64 mi
12:01/mi
3:19:18
↑ 181↓ 1480.2%
20M
12:53/mi
3:36:48
↑ 64↓ 500.2%
21M
14:40/mi
3:51:28
↑ 106↓ 241.6%
35K· 21.75 mi
14:37/mi
4:02:24
↑ 17↓ 861.7%
23M
14:36/mi
4:20:41
↑ 23↓ 630.6%
24M
12:59/mi
4:33:40
↓ 821.3%
40K· 24.85 mi
12:45/mi
4:44:34
↓ 200.3%
25.2M
14:10/mi
4:49:27
↑ 13↓ 160.2%
Finish· 26.22 mi
11:02/mi
5:00:42
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:14:25
Pace10:15 /mi
2nd Half
Distance13.11 mi
Time2:46:17
Pace12:41 /mi
📊Positive Split: 23.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:0730:419:5330:41
9:53
-
10K
6.21 mi12:23:311:02:059:5931:24
10:06
+0:13
15K
9.32 mi12:55:261:34:0010:0531:55
10:16
+0:10
20K
12.43 mi13:28:502:07:2410:1533:24
10:45
+0:29
Half
13.11 mi13:35:512:14:2510:157:01
10:17
-0:28
25K
15.53 mi14:03:232:41:5710:2627:32
11:21
+1:04
30K
18.64 mi14:40:443:19:1810:4137:21
12:01
+0:40
20M
20.00 mi14:58:143:36:4810:5017:30
12:53
+0:52
21M
21.00 mi15:12:543:51:2811:0114:40
14:40
+1:47
35K
21.75 mi15:23:504:02:2411:0910:56
14:37
-0:03
23M
23.00 mi15:42:074:20:4111:2018:17
14:36
-0:01
24M
24.00 mi15:55:064:33:4011:2412:59
12:59
-1:37
40K
24.85 mi16:06:004:44:3411:2710:54
12:45
-0:14
25.2M
25.20 mi16:10:534:49:2711:294:53
14:10
+1:25
Finish
26.22 mi16:22:085:00:4211:2911:15
11:02
-3:08

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

9:53 /mi

Average Pace

11:29 /mi

Slowest Pace

14:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:40

48% of race

Time at Steady Pace

1:15:47

25% of race

Time at Slower Pace

1:19:15

26% of race

Average Pace: 11:28 /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 mi11:52:0730:419:5330:41
9:53
#22691
10K
6.21 mi12:23:311:02:059:5931:24
10:06
#22760
15K
9.32 mi12:55:261:34:0010:0531:55
10:16
#22676
20K
12.43 mi13:28:502:07:2410:1533:24
10:45
#22525
Half
13.11 mi13:35:512:14:2510:157:01
10:17
#22514
25K
15.53 mi14:03:232:41:5710:2627:32
11:21
#22468
30K
18.64 mi14:40:443:19:1810:4137:21
12:01
#22372
20M
20.00 mi14:58:143:36:4810:5017:30
12:53
#22407
21M
21.00 mi15:12:543:51:2811:0114:40
14:40
#22490
35K
21.75 mi15:23:504:02:2411:0910:56
14:37
#22656
23M
23.00 mi15:42:074:20:4111:2018:17
14:36
#22834
24M
24.00 mi15:55:064:33:4011:2412:59
12:59
#22861
40K
24.85 mi16:06:004:44:3411:2710:54
12:45
#22841
25.2M
25.20 mi16:10:534:49:2711:294:53
14:10
#22839
Finish
26.22 mi16:22:085:00:4211:2911:15
11:02
#22819
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi22691133941339422493(Top 88%)13305(Top 91%)13305(Top 274%)
10K6.21 mi3.10 mi22760-6913422-2813422-2822761(Top 89%)13400(Top 92%)13400(Top 276%)
15K9.32 mi3.11 mi22676+8413397+2513397+2522493(Top 88%)13305(Top 91%)13305(Top 274%)
20K12.43 mi3.11 mi22525+15113311+8613311+8622173(Top 87%)13123(Top 90%)13123(Top 271%)
Half13.11 mi0.68 mi22514+1113298+1313298+1322204(Top 87%)13099(Top 90%)13099(Top 270%)
25K15.53 mi2.42 mi22468+4613269+2913269+2922181(Top 87%)13038(Top 89%)13038(Top 269%)
30K18.64 mi3.11 mi22372+9613168+10113168+10121973(Top 86%)12784(Top 88%)12784(Top 264%)
20M20.00 mi1.36 mi22407-3513170-213170-222707(Top 89%)13046(Top 89%)13046(Top 269%)
21M21.00 mi1.00 mi22490-8313192-2213192-2223174(Top 91%)13253(Top 91%)13253(Top 273%)
35K21.75 mi0.75 mi22656-16613244-5213244-5224687(Top 97%)14027(Top 96%)14027(Top 289%)
23M23.00 mi1.25 mi22834-17813315-7113315-7124355(Top 95%)13849(Top 95%)13849(Top 286%)
24M24.00 mi1.00 mi22861-2713312+313312+323058(Top 90%)13082(Top 90%)13082(Top 270%)
40K24.85 mi0.85 mi22841+2013302+1013302+1021865(Top 86%)12424(Top 85%)12424(Top 256%)
25.2M25.20 mi0.35 mi22839+213297+513297+521834(Top 85%)12400(Top 85%)12400(Top 256%)
Finish26.22 mi1.02 mi22819+2013280+1713280+1721425(Top 84%)12214(Top 84%)12214(Top 252%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

22493

Males

13305

M18-39

13305

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

22761

Males

13400

M18-39

13400

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

22493

Males

13305

M18-39

13305

15K→20K

9.3 - 12.4 mi

Top 87%
×5story building
+106ft-86ft

Overall

22173

Males

13123

M18-39

13123

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

22204

Males

13099

M18-39

13099

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

22181

Males

13038

M18-39

13038

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

21973

Males

12784

M18-39

12784

30K→20M

18.6 - 20.0 mi

Top 89%
×5story building
+64ft-50ft

Overall

22707

Males

13046

M18-39

13046

20M→21M

20.0 - 21.0 mi

Top 91%
×8story building
+106ft-24ft

Overall

23174

Males

13253

M18-39

13253

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

24687

Males

14027

M18-39

14027

35K→23M

21.8 - 23.0 mi

Top 95%
×5story building
+23ft-63ft

Overall

24355

Males

13849

M18-39

13849

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

23058

Males

13082

M18-39

13082

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

21865

Males

12424

M18-39

12424

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

21834

Males

12400

M18-39

12400

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

21425

Males

12214

M18-39

12214

Passing Analysis

Category:
Athletes Passed
1264
Passed By
1392
Net Change
-128
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22691
5K → 10K170239-69#22691#22760
10K → 15K200116+84#22760#22676
15K → 20K251100+151#22676#22525
20K → Half3423+11#22525#22514
Half → 25K13488+46#22514#22468
25K → 30K204108+96#22468#22372
30K → 20M6196-35#22372#22407
20M → 21M32115-83#22407#22490
21M → 35K10176-166#22490#22656
35K → 23M19197-178#22656#22834
23M → 24M4168-27#22834#22861
24M → 40K4727+20#22861#22841
40K → 25.2M1715+2#22841#22839
25.2M → Finish4424+20#22839#22819
TOTALS12641392-128
📊

Passing Visuals

Category:
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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