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BOSTON MARATHON 2024

Casey Blossom

Bib: 26844•F

MA

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
29:39
Rank: #21861
Start → 5K
29:39 | 9:33/mi
10K· 6.21 mi
1:00:54
Rank: #22326 (-465)
5K → 10K
31:15 | 10:04/mi
15K· 9.32 mi
1:31:12
Rank: #21964 (+362)
10K → 15K
30:18 | 9:45/mi
20K· 12.43 mi
2:03:18
Rank: #21796 (+168)
15K → 20K
32:06 | 10:20/mi
Half· 13.11 mi
2:10:05
Rank: #21768 (+28)
20K → Half
6:47 | 9:57/mi
25K· 15.53 mi
2:34:25
Rank: #21307 (+461)
Half → 25K
24:20 | 10:02/mi
30K· 18.64 mi
3:06:14
Rank: #20737 (+570)
25K → 30K
31:49 | 10:14/mi
20M
3:20:32
Rank: #20532 (+205)
30K → 20M
14:18 | 10:31/mi
21M
3:31:42
Rank: #20335 (+197)
20M → 21M
11:10 | 11:10/mi
35K· 21.75 mi
3:39:49
Rank: #20296 (+39)
21M → 35K
8:07 | 10:51/mi
23M
3:52:48
Rank: #20082 (+214)
35K → 23M
12:59 | 10:22/mi
24M
4:03:19
Rank: #19970 (+112)
23M → 24M
10:31 | 10:31/mi
40K· 24.85 mi
4:12:16
Rank: #19828 (+142)
24M → 40K
8:57 | 10:28/mi
25.2M
4:16:08
Rank: #19765 (+63)
40K → 25.2M
3:52 | 11:13/mi
Finish· 26.22 mi
4:25:58
Rank: #19665 (+100)
25.2M → Finish
9:50 | 9:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:05
Pace9:55 /mi
2nd Half
Distance13.11 mi
Time2:15:53
Pace10:22 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:1229:399:3329:39
9:33
-
10K
6.21 mi12:24:271:00:549:4831:15
10:04
+0:31
15K
9.32 mi12:54:451:31:129:4730:18
9:45
-0:19
20K
12.43 mi13:26:512:03:189:5532:06
10:20
+0:35
Half
13.11 mi13:33:382:10:059:556:47
9:57
-0:23
25K
15.53 mi13:57:582:34:259:5624:20
10:02
+0:05
30K
18.64 mi14:29:473:06:149:5931:49
10:14
+0:12
20M
20.00 mi14:44:053:20:3210:0214:18
10:31
+0:17
21M
21.00 mi14:55:153:31:4210:0511:10
11:10
+0:39
35K
21.75 mi15:03:223:39:4910:068:07
10:51
-0:19
23M
23.00 mi15:16:213:52:4810:0712:59
10:22
-0:29
24M
24.00 mi15:26:524:03:1910:0810:31
10:31
+0:09
40K
24.85 mi15:35:494:12:1610:098:57
10:28
-0:03
25.2M
25.20 mi15:39:414:16:0810:103:52
11:13
+0:45
Finish
26.22 mi15:49:314:25:5810:099:50
9:39
-1:34

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

9:33 /mi

Average Pace

10:09 /mi

Slowest Pace

11:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:38:00

82% of race

Time at Steady Pace

47:58

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:09 /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 mi11:53:1229:399:3329:39
9:33
#21861
10K
6.21 mi12:24:271:00:549:4831:15
10:04
#22326
15K
9.32 mi12:54:451:31:129:4730:18
9:45
#21964
20K
12.43 mi13:26:512:03:189:5532:06
10:20
#21796
Half
13.11 mi13:33:382:10:059:556:47
9:57
#21768
25K
15.53 mi13:57:582:34:259:5624:20
10:02
#21307
30K
18.64 mi14:29:473:06:149:5931:49
10:14
#20737
20M
20.00 mi14:44:053:20:3210:0214:18
10:31
#20532
21M
21.00 mi14:55:153:31:4210:0511:10
11:10
#20335
35K
21.75 mi15:03:223:39:4910:068:07
10:51
#20296
23M
23.00 mi15:16:213:52:4810:0712:59
10:22
#20082
24M
24.00 mi15:26:524:03:1910:0810:31
10:31
#19970
40K
24.85 mi15:35:494:12:1610:098:57
10:28
#19828
25.2M
25.20 mi15:39:414:16:0810:103:52
11:13
#19765
Finish
26.22 mi15:49:314:25:5810:099:50
9:39
#19665
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi218618843884321314(Top 83%)8503(Top 78%)8503(Top 182%)
10K6.21 mi3.10 mi22326-4659071-2289071-22822675(Top 89%)9274(Top 85%)9274(Top 199%)
15K9.32 mi3.11 mi21964+3628879+1928879+19221314(Top 83%)8503(Top 78%)8503(Top 182%)
20K12.43 mi3.11 mi21796+1688792+878792+8721305(Top 83%)8529(Top 78%)8529(Top 183%)
Half13.11 mi0.68 mi21768+288788+48788+421341(Top 84%)8588(Top 79%)8588(Top 184%)
25K15.53 mi2.42 mi21307+4618537+2518537+25119214(Top 75%)7489(Top 69%)7489(Top 161%)
30K18.64 mi3.11 mi20737+5708285+2528285+25218095(Top 71%)7094(Top 65%)7094(Top 152%)
20M20.00 mi1.36 mi20532+2058212+738212+7318062(Top 71%)7238(Top 66%)7238(Top 155%)
21M21.00 mi1.00 mi20335+1978126+868126+8616800(Top 66%)6758(Top 62%)6758(Top 145%)
35K21.75 mi0.75 mi20296+398127-18127-119469(Top 76%)8061(Top 74%)8061(Top 173%)
23M23.00 mi1.25 mi20082+2148035+928035+9216663(Top 65%)6741(Top 62%)6741(Top 145%)
24M24.00 mi1.00 mi19970+1127990+457990+4517909(Top 70%)7426(Top 68%)7426(Top 159%)
40K24.85 mi0.85 mi19828+1427930+607930+6016617(Top 65%)6822(Top 62%)6822(Top 146%)
25.2M25.20 mi0.35 mi19765+637904+267904+2615251(Top 60%)6177(Top 57%)6177(Top 133%)
Finish26.22 mi1.02 mi19665+1007865+397865+3917169(Top 67%)7101(Top 65%)7101(Top 152%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21stories
+97ft-345ft

Overall

21314

Females

8503

F18-39

8503

5K→10K

3.1 - 6.2 mi

Top 89%
×5stories
+79ft-138ft

Overall

22675

Females

9274

F18-39

9274

10K→15K

6.2 - 9.3 mi

Top 83%
×3stories
+67ft-78ft

Overall

21314

Females

8503

F18-39

8503

15K→20K

9.3 - 12.4 mi

Top 83%
×5stories
+106ft-86ft

Overall

21305

Females

8529

F18-39

8529

20K→Half

12.4 - 13.1 mi

Top 84%
×2stories
+19ft-37ft

Overall

21341

Females

8588

F18-39

8588

Half→25K

13.1 - 15.5 mi

Top 75%
×4stories
+66ft-88ft

Overall

19214

Females

7489

F18-39

7489

25K→30K

15.5 - 18.6 mi

Top 71%
×9stories
+181ft-148ft

Overall

18095

Females

7094

F18-39

7094

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

18062

Females

7238

F18-39

7238

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

16800

Females

6758

F18-39

6758

21M→35K

21.0 - 21.8 mi

Top 76%
×7stories
+17ft-86ft

Overall

19469

Females

8061

F18-39

8061

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

16663

Females

6741

F18-39

6741

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

17909

Females

7426

F18-39

7426

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

16617

Females

6822

F18-39

6822

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15251

Females

6177

F18-39

6177

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

17169

Females

7101

F18-39

7101

Passing Analysis

Category:
Athletes Passed
2991
Passed By
795
Net Change
+2196
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21861
5K → 10K77542-465#21861#22326
10K → 15K40038+362#22326#21964
15K → 20K26193+168#21964#21796
20K → Half4214+28#21796#21768
Half → 25K4632+461#21768#21307
25K → 30K58111+570#21307#20737
30K → 20M2149+205#20737#20532
20M → 21M2025+197#20532#20335
21M → 35K7132+39#20335#20296
35K → 23M2173+214#20296#20082
23M → 24M12917+112#20082#19970
24M → 40K1497+142#19970#19828
40K → 25.2M7310+63#19828#19765
25.2M → Finish11212+100#19765#19665
TOTALS2991795+2196
📊

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