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BOSTON MARATHON 2024

Cassidy Harkins

Bib: 29708•F

PA

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Division (F18-39)
#0 / 4660
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
33:17
Rank: #24457
Start → 5K
33:17 | 10:43/mi
10K· 6.21 mi
1:08:58
Rank: #24677 (-220)
5K → 10K
35:41 | 11:29/mi
15K· 9.32 mi
1:45:30
Rank: #24638 (+39)
10K → 15K
36:32 | 11:46/mi
20K· 12.43 mi
2:21:58
Rank: #24423 (+215)
15K → 20K
36:28 | 11:44/mi
Half· 13.11 mi
2:29:13
Rank: #24353 (+70)
20K → Half
7:15 | 10:38/mi
25K· 15.53 mi
2:56:46
Rank: #24059 (+294)
Half → 25K
27:33 | 11:22/mi
30K· 18.64 mi
3:34:56
Rank: #23793 (+266)
25K → 30K
38:10 | 12:17/mi
20M
3:52:15
Rank: #23717 (+76)
30K → 20M
17:19 | 12:45/mi
21M
4:06:15
Rank: #23633 (+84)
20M → 21M
14:00 | 14:00/mi
35K· 21.75 mi
4:16:10
Rank: #23637 (-4)
21M → 35K
9:55 | 13:15/mi
23M
4:33:10
Rank: #23634 (+3)
35K → 23M
17:00 | 13:35/mi
24M
4:46:10
Rank: #23639 (-5)
23M → 24M
13:00 | 13:00/mi
40K· 24.85 mi
4:57:48
Rank: #23625 (+14)
24M → 40K
11:38 | 13:36/mi
25.2M
5:03:07
Rank: #23631 (-6)
40K → 25.2M
5:19 | 15:25/mi
Finish· 26.22 mi
5:15:10
Rank: #23604 (+27)
25.2M → Finish
12:03 | 11:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:29:13
Pace11:23 /mi
2nd Half
Distance13.11 mi
Time2:45:57
Pace12:40 /mi
📊Positive Split: 11.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:4933:1710:4333:17
10:43
-
10K
6.21 mi12:29:301:08:5811:0635:41
11:29
+0:46
15K
9.32 mi13:06:021:45:3011:1936:32
11:46
+0:17
20K
12.43 mi13:42:302:21:5811:2536:28
11:44
-0:02
Half
13.11 mi13:49:452:29:1311:237:15
10:38
-1:06
25K
15.53 mi14:17:182:56:4611:2327:33
11:22
+0:44
30K
18.64 mi14:55:283:34:5611:3238:10
12:17
+0:55
20M
20.00 mi15:12:473:52:1511:3717:19
12:45
+0:28
21M
21.00 mi15:26:474:06:1511:4414:00
14:00
+1:15
35K
21.75 mi15:36:424:16:1011:479:55
13:15
-0:45
23M
23.00 mi15:53:424:33:1011:5317:00
13:35
+0:20
24M
24.00 mi16:06:424:46:1011:5513:00
13:00
-0:35
40K
24.85 mi16:18:204:57:4811:5911:38
13:36
+0:36
25.2M
25.20 mi16:23:395:03:0712:025:19
15:25
+1:49
Finish
26.22 mi16:35:425:15:1012:0212:03
11:49
-3:36

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

10:38 /mi

Average Pace

12:02 /mi

Slowest Pace

15:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:46

33% of race

Time at Steady Pace

2:20:32

45% of race

Time at Slower Pace

1:10:52

22% of race

Average Pace: 12:01 /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 mi11:53:4933:1710:4333:17
10:43
#24457
10K
6.21 mi12:29:301:08:5811:0635:41
11:29
#24677
15K
9.32 mi13:06:021:45:3011:1936:32
11:46
#24638
20K
12.43 mi13:42:302:21:5811:2536:28
11:44
#24423
Half
13.11 mi13:49:452:29:1311:237:15
10:38
#24353
25K
15.53 mi14:17:182:56:4611:2327:33
11:22
#24059
30K
18.64 mi14:55:283:34:5611:3238:10
12:17
#23793
20M
20.00 mi15:12:473:52:1511:3717:19
12:45
#23717
21M
21.00 mi15:26:474:06:1511:4414:00
14:00
#23633
35K
21.75 mi15:36:424:16:1011:479:55
13:15
#23637
23M
23.00 mi15:53:424:33:1011:5317:00
13:35
#23634
24M
24.00 mi16:06:424:46:1011:5513:00
13:00
#23639
40K
24.85 mi16:18:204:57:4811:5911:38
13:36
#23625
25.2M
25.20 mi16:23:395:03:0712:025:19
15:25
#23631
Finish
26.22 mi16:35:425:15:1012:0212:03
11:49
#23604
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24457102181021824516(Top 96%)10290(Top 94%)10290(Top 221%)
10K6.21 mi3.10 mi24677-22010365-14710365-14724760(Top 97%)10421(Top 95%)10421(Top 224%)
15K9.32 mi3.11 mi24638+3910341+2410341+2424516(Top 96%)10290(Top 94%)10290(Top 221%)
20K12.43 mi3.11 mi24423+21510220+12110220+12123668(Top 93%)9821(Top 90%)9821(Top 211%)
Half13.11 mi0.68 mi24353+7010178+4210178+4222921(Top 90%)9457(Top 87%)9457(Top 203%)
25K15.53 mi2.42 mi24059+29410023+15510023+15522199(Top 87%)9109(Top 83%)9109(Top 195%)
30K18.64 mi3.11 mi23793+2669906+1179906+11722417(Top 88%)9362(Top 86%)9362(Top 201%)
20M20.00 mi1.36 mi23717+769875+319875+3122523(Top 88%)9522(Top 87%)9522(Top 204%)
21M21.00 mi1.00 mi23633+849841+349841+3422338(Top 87%)9463(Top 87%)9463(Top 203%)
35K21.75 mi0.75 mi23637-49865-249865-2423544(Top 92%)10086(Top 92%)10086(Top 216%)
23M23.00 mi1.25 mi23634+39881-169881-1623318(Top 91%)9984(Top 91%)9984(Top 214%)
24M24.00 mi1.00 mi23639-59888-79888-723084(Top 90%)9943(Top 91%)9943(Top 213%)
40K24.85 mi0.85 mi23625+149897-99897-923150(Top 91%)10000(Top 92%)10000(Top 215%)
25.2M25.20 mi0.35 mi23631-69902-59902-523490(Top 92%)10147(Top 93%)10147(Top 218%)
Finish26.22 mi1.02 mi23604+279896+69896+623004(Top 90%)9939(Top 91%)9939(Top 213%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21stories
+97ft-345ft

Overall

24516

Females

10290

F18-39

10290

5K→10K

3.1 - 6.2 mi

Top 97%
×5stories
+79ft-138ft

Overall

24760

Females

10421

F18-39

10421

10K→15K

6.2 - 9.3 mi

Top 96%
×3stories
+67ft-78ft

Overall

24516

Females

10290

F18-39

10290

15K→20K

9.3 - 12.4 mi

Top 93%
×5stories
+106ft-86ft

Overall

23668

Females

9821

F18-39

9821

20K→Half

12.4 - 13.1 mi

Top 90%
×2stories
+19ft-37ft

Overall

22921

Females

9457

F18-39

9457

Half→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

22199

Females

9109

F18-39

9109

25K→30K

15.5 - 18.6 mi

Top 88%
×9stories
+181ft-148ft

Overall

22417

Females

9362

F18-39

9362

30K→20M

18.6 - 20.0 mi

Top 88%
×5stories
+64ft-50ft

Overall

22523

Females

9522

F18-39

9522

20M→21M

20.0 - 21.0 mi

Top 87%
×8stories
+106ft-24ft

Overall

22338

Females

9463

F18-39

9463

21M→35K

21.0 - 21.8 mi

Top 92%
×7stories
+17ft-86ft

Overall

23544

Females

10086

F18-39

10086

35K→23M

21.8 - 23.0 mi

Top 91%
×5stories
+23ft-63ft

Overall

23318

Females

9984

F18-39

9984

23M→24M

23.0 - 24.0 mi

Top 90%
×6stories
+12ft-82ft

Overall

23084

Females

9943

F18-39

9943

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

23150

Females

10000

F18-39

10000

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

23490

Females

10147

F18-39

10147

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2stories
+22ft-21ft

Overall

23004

Females

9939

F18-39

9939

Passing Analysis

Category:
Athletes Passed
1481
Passed By
628
Net Change
+853
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24457
5K → 10K70290-220#24457#24677
10K → 15K12081+39#24677#24638
15K → 20K23419+215#24638#24423
20K → Half700+70#24423#24353
Half → 25K2973+294#24353#24059
25K → 30K2759+266#24059#23793
30K → 20M9216+76#23793#23717
20M → 21M9814+84#23717#23633
21M → 35K4246-4#23633#23637
35K → 23M5451+3#23637#23634
23M → 24M3136-5#23634#23639
24M → 40K4127+14#23639#23625
40K → 25.2M1319-6#23625#23631
25.2M → Finish4417+27#23631#23604
TOTALS1481628+853
📊

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