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BOSTON MARATHON 2024

Blair Casey

Bib: 25844•F

NY

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
26:17
Rank: #17567
Start → 5K
26:17 | 8:28/mi
10K· 6.21 mi
52:36
Rank: #17323 (+244)
5K → 10K
26:19 | 8:28/mi
15K· 9.32 mi
1:18:50
Rank: #16848 (+475)
10K → 15K
26:14 | 8:27/mi
20K· 12.43 mi
1:45:58
Rank: #16574 (+274)
15K → 20K
27:08 | 8:44/mi
Half· 13.11 mi
1:52:04
Rank: #16662 (-88)
20K → Half
6:06 | 8:56/mi
25K· 15.53 mi
2:15:25
Rank: #16925 (-263)
Half → 25K
23:21 | 9:38/mi
30K· 18.64 mi
2:51:04
Rank: #18151 (-1226)
25K → 30K
35:39 | 11:28/mi
20M
3:07:34
Rank: #18601 (-450)
30K → 20M
16:30 | 12:09/mi
21M
3:21:00
Rank: #18850 (-249)
20M → 21M
13:26 | 13:26/mi
35K· 21.75 mi
3:29:04
Rank: #18849 (+1)
21M → 35K
8:04 | 10:47/mi
23M
3:44:00
Rank: #18945 (-96)
35K → 23M
14:56 | 11:56/mi
24M
3:54:57
Rank: #18930 (+15)
23M → 24M
10:57 | 10:57/mi
40K· 24.85 mi
4:04:17
Rank: #18870 (+60)
24M → 40K
9:20 | 10:55/mi
25.2M
4:09:06
Rank: #18922 (-52)
40K → 25.2M
4:49 | 13:58/mi
Finish· 26.22 mi
4:20:25
Rank: #19022 (-100)
25.2M → Finish
11:19 | 11:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:04
Pace8:33 /mi
2nd Half
Distance13.11 mi
Time2:28:21
Pace11:19 /mi
📊Positive Split: 32.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:5626:178:2826:17
8:28
-
10K
6.21 mi12:08:1552:368:2826:19
8:28
0:00
15K
9.32 mi12:34:291:18:508:2726:14
8:27
-0:01
20K
12.43 mi13:01:371:45:588:3227:08
8:44
+0:17
Half
13.11 mi13:07:431:52:048:336:06
8:56
+0:12
25K
15.53 mi13:31:042:15:258:4323:21
9:38
+0:42
30K
18.64 mi14:06:432:51:049:1135:39
11:28
+1:50
20M
20.00 mi14:23:133:07:349:2316:30
12:09
+0:41
21M
21.00 mi14:36:393:21:009:3413:26
13:26
+1:17
35K
21.75 mi14:44:433:29:049:378:04
10:47
-2:39
23M
23.00 mi14:59:393:44:009:4414:56
11:56
+1:09
24M
24.00 mi15:10:363:54:579:4710:57
10:57
-0:59
40K
24.85 mi15:19:564:04:179:509:20
10:55
-0:02
25.2M
25.20 mi15:24:454:09:069:534:49
13:58
+3:03
Finish
26.22 mi15:36:044:20:259:5611:19
11:06
-2:52

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

8:27 /mi

Average Pace

9:56 /mi

Slowest Pace

13:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:25

52% of race

Time at Steady Pace

1:15:19

29% of race

Time at Slower Pace

49:41

19% of race

Average Pace: 9:56 /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 mi11:41:5626:178:2826:17
8:28
#17567
10K
6.21 mi12:08:1552:368:2826:19
8:28
#17323
15K
9.32 mi12:34:291:18:508:2726:14
8:27
#16848
20K
12.43 mi13:01:371:45:588:3227:08
8:44
#16574
Half
13.11 mi13:07:431:52:048:336:06
8:56
#16662
25K
15.53 mi13:31:042:15:258:4323:21
9:38
#16925
30K
18.64 mi14:06:432:51:049:1135:39
11:28
#18151
20M
20.00 mi14:23:133:07:349:2316:30
12:09
#18601
21M
21.00 mi14:36:393:21:009:3413:26
13:26
#18850
35K
21.75 mi14:44:433:29:049:378:04
10:47
#18849
23M
23.00 mi14:59:393:44:009:4414:56
11:56
#18945
24M
24.00 mi15:10:363:54:579:4710:57
10:57
#18930
40K
24.85 mi15:19:564:04:179:509:20
10:55
#18870
25.2M
25.20 mi15:24:454:09:069:534:49
13:58
#18922
Finish
26.22 mi15:36:044:20:259:5611:19
11:06
#19022
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi175676512651216101(Top 63%)5622(Top 51%)5622(Top 121%)
10K6.21 mi3.10 mi17323+2446339+1736339+17317103(Top 67%)6192(Top 57%)6192(Top 133%)
15K9.32 mi3.11 mi16848+4756054+2856054+28516101(Top 63%)5622(Top 51%)5622(Top 121%)
20K12.43 mi3.11 mi16574+2745902+1525902+15216024(Top 63%)5609(Top 51%)5609(Top 120%)
Half13.11 mi0.68 mi16662-885964-625964-6218040(Top 71%)6820(Top 62%)6820(Top 146%)
25K15.53 mi2.42 mi16925-2636150-1866150-18617988(Top 70%)6821(Top 62%)6821(Top 146%)
30K18.64 mi3.11 mi18151-12266917-7676917-76720981(Top 82%)8625(Top 79%)8625(Top 185%)
20M20.00 mi1.36 mi18601-4507185-2687185-26821588(Top 84%)9057(Top 83%)9057(Top 194%)
21M21.00 mi1.00 mi18850-2497346-1617346-16121468(Top 84%)9039(Top 83%)9039(Top 194%)
35K21.75 mi0.75 mi18849+17360-147360-1419310(Top 76%)7986(Top 73%)7986(Top 171%)
23M23.00 mi1.25 mi18945-967425-657425-6520570(Top 81%)8677(Top 79%)8677(Top 186%)
24M24.00 mi1.00 mi18930+157444-197444-1919103(Top 75%)8010(Top 73%)8010(Top 172%)
40K24.85 mi0.85 mi18870+607430+147430+1417873(Top 70%)7447(Top 68%)7447(Top 160%)
25.2M25.20 mi0.35 mi18922-527463-337463-3321560(Top 84%)9247(Top 85%)9247(Top 198%)
Finish26.22 mi1.02 mi19022-1007534-717534-7121604(Top 85%)9258(Top 85%)9258(Top 199%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21stories
+97ft-345ft

Overall

16101

Females

5622

F18-39

5622

5K→10K

3.1 - 6.2 mi

Top 67%
×5stories
+79ft-138ft

Overall

17103

Females

6192

F18-39

6192

10K→15K

6.2 - 9.3 mi

Top 63%
×3stories
+67ft-78ft

Overall

16101

Females

5622

F18-39

5622

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

16024

Females

5609

F18-39

5609

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

18040

Females

6820

F18-39

6820

Half→25K

13.1 - 15.5 mi

Top 70%
×4stories
+66ft-88ft

Overall

17988

Females

6821

F18-39

6821

25K→30K

15.5 - 18.6 mi

Top 82%
×9stories
+181ft-148ft

Overall

20981

Females

8625

F18-39

8625

30K→20M

18.6 - 20.0 mi

Top 84%
×5stories
+64ft-50ft

Overall

21588

Females

9057

F18-39

9057

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

21468

Females

9039

F18-39

9039

21M→35K

21.0 - 21.8 mi

Top 76%
×7stories
+17ft-86ft

Overall

19310

Females

7986

F18-39

7986

35K→23M

21.8 - 23.0 mi

Top 81%
×5stories
+23ft-63ft

Overall

20570

Females

8677

F18-39

8677

23M→24M

23.0 - 24.0 mi

Top 75%
×6stories
+12ft-82ft

Overall

19103

Females

8010

F18-39

8010

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

17873

Females

7447

F18-39

7447

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

21560

Females

9247

F18-39

9247

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2stories
+22ft-21ft

Overall

21604

Females

9258

F18-39

9258

Passing Analysis

Category:
Athletes Passed
1934
Passed By
3389
Net Change
-1455
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17567
5K → 10K416172+244#17567#17323
10K → 15K52752+475#17323#16848
15K → 20K393119+274#16848#16574
20K → Half14102-88#16574#16662
Half → 25K144407-263#16662#16925
25K → 30K451271-1226#16925#18151
30K → 20M22472-450#18151#18601
20M → 21M30279-249#18601#18850
21M → 35K5958+1#18850#18849
35K → 23M71167-96#18849#18945
23M → 24M7257+15#18945#18930
24M → 40K9333+60#18930#18870
40K → 25.2M1264-52#18870#18922
25.2M → Finish36136-100#18922#19022
TOTALS19343389-1455
📊

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