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BOSTON MARATHON 2024

Casey Ostrander

Bib: 25929•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
28:50
Rank: #21070
Start → 5K
28:50 | 9:17/mi
10K· 6.21 mi
57:31
Rank: #20852 (+218)
5K → 10K
28:41 | 9:14/mi
15K· 9.32 mi
1:26:32
Rank: #20602 (+250)
10K → 15K
29:01 | 9:20/mi
20K· 12.43 mi
1:56:01
Rank: #20216 (+386)
15K → 20K
29:29 | 9:29/mi
Half· 13.11 mi
2:02:24
Rank: #20193 (+23)
20K → Half
6:23 | 9:21/mi
25K· 15.53 mi
2:26:10
Rank: #19897 (+296)
Half → 25K
23:46 | 9:48/mi
30K· 18.64 mi
2:59:36
Rank: #19777 (+120)
25K → 30K
33:26 | 10:46/mi
20M
3:16:30
Rank: #19998 (-221)
30K → 20M
16:54 | 12:26/mi
21M
3:29:24
Rank: #20038 (-40)
20M → 21M
12:54 | 12:54/mi
35K· 21.75 mi
3:38:54
Rank: #20183 (-145)
21M → 35K
9:30 | 12:42/mi
23M
3:54:48
Rank: #20311 (-128)
35K → 23M
15:54 | 12:42/mi
24M
4:06:39
Rank: #20361 (-50)
23M → 24M
11:51 | 11:51/mi
40K· 24.85 mi
4:17:14
Rank: #20396 (-35)
24M → 40K
10:35 | 12:23/mi
25.2M
4:22:14
Rank: #20423 (-27)
40K → 25.2M
5:00 | 14:30/mi
Finish· 26.22 mi
4:34:10
Rank: #20506 (-83)
25.2M → Finish
11:56 | 11:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:24
Pace9:20 /mi
2nd Half
Distance13.11 mi
Time2:31:46
Pace11:35 /mi
📊Positive Split: 24.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:1228:509:1728:50
9:17
-
10K
6.21 mi12:20:5357:319:1528:41
9:14
-0:03
15K
9.32 mi12:49:541:26:329:1729:01
9:20
+0:06
20K
12.43 mi13:19:231:56:019:2029:29
9:29
+0:09
Half
13.11 mi13:25:462:02:249:206:23
9:21
-0:08
25K
15.53 mi13:49:322:26:109:2523:46
9:48
+0:27
30K
18.64 mi14:22:582:59:369:3833:26
10:46
+0:58
20M
20.00 mi14:39:523:16:309:4916:54
12:26
+1:40
21M
21.00 mi14:52:463:29:249:5812:54
12:54
+0:28
35K
21.75 mi15:02:163:38:5410:049:30
12:42
-0:12
23M
23.00 mi15:18:103:54:4810:1315:54
12:42
0:00
24M
24.00 mi15:30:014:06:3910:1711:51
11:51
-0:51
40K
24.85 mi15:40:364:17:1410:2110:35
12:23
+0:32
25.2M
25.20 mi15:45:364:22:1410:245:00
14:30
+2:07
Finish
26.22 mi15:57:324:34:1010:2811:56
11:43
-2:47

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

9:14 /mi

Average Pace

10:28 /mi

Slowest Pace

14:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:59:36

66% of race

Time at Steady Pace

51:16

19% of race

Time at Slower Pace

43:18

16% of race

Average Pace: 10:27 /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 mi11:52:1228:509:1728:50
9:17
#21070
10K
6.21 mi12:20:5357:319:1528:41
9:14
#20852
15K
9.32 mi12:49:541:26:329:1729:01
9:20
#20602
20K
12.43 mi13:19:231:56:019:2029:29
9:29
#20216
Half
13.11 mi13:25:462:02:249:206:23
9:21
#20193
25K
15.53 mi13:49:322:26:109:2523:46
9:48
#19897
30K
18.64 mi14:22:582:59:369:3833:26
10:46
#19777
20M
20.00 mi14:39:523:16:309:4916:54
12:26
#19998
21M
21.00 mi14:52:463:29:249:5812:54
12:54
#20038
35K
21.75 mi15:02:163:38:5410:049:30
12:42
#20183
23M
23.00 mi15:18:103:54:4810:1315:54
12:42
#20311
24M
24.00 mi15:30:014:06:3910:1711:51
11:51
#20361
40K
24.85 mi15:40:364:17:1410:2110:35
12:23
#20396
25.2M
25.20 mi15:45:364:22:1410:245:00
14:30
#20423
Finish
26.22 mi15:57:324:34:1010:2811:56
11:43
#20506
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi210708434843420161(Top 79%)7866(Top 72%)7866(Top 169%)
10K6.21 mi3.10 mi20852+2188312+1228312+12220581(Top 81%)8147(Top 75%)8147(Top 175%)
15K9.32 mi3.11 mi20602+2508142+1708142+17020161(Top 79%)7866(Top 72%)7866(Top 169%)
20K12.43 mi3.11 mi20216+3867938+2047938+20419180(Top 75%)7369(Top 67%)7369(Top 158%)
Half13.11 mi0.68 mi20193+237922+167922+1619650(Top 77%)7691(Top 70%)7691(Top 165%)
25K15.53 mi2.42 mi19897+2967781+1417781+14118561(Top 73%)7140(Top 65%)7140(Top 153%)
30K18.64 mi3.11 mi19777+1207773+87773+819428(Top 76%)7809(Top 71%)7809(Top 168%)
20M20.00 mi1.36 mi19998-2217920-1477920-14722075(Top 86%)9289(Top 85%)9289(Top 199%)
21M21.00 mi1.00 mi20038-407963-437963-4320564(Top 80%)8601(Top 79%)8601(Top 185%)
35K21.75 mi0.75 mi20183-1458065-1028065-10222875(Top 90%)9759(Top 89%)9759(Top 209%)
23M23.00 mi1.25 mi20311-1288157-928157-9222045(Top 86%)9390(Top 86%)9390(Top 202%)
24M24.00 mi1.00 mi20361-508213-568213-5621139(Top 83%)9006(Top 82%)9006(Top 193%)
40K24.85 mi0.85 mi20396-358245-328245-3221182(Top 83%)9079(Top 83%)9079(Top 195%)
25.2M25.20 mi0.35 mi20423-278268-238268-2322369(Top 88%)9632(Top 88%)9632(Top 207%)
Finish26.22 mi1.02 mi20506-838331-638331-6322806(Top 89%)9848(Top 90%)9848(Top 211%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21stories
+97ft-345ft

Overall

20161

Females

7866

F18-39

7866

5K→10K

3.1 - 6.2 mi

Top 81%
×5stories
+79ft-138ft

Overall

20581

Females

8147

F18-39

8147

10K→15K

6.2 - 9.3 mi

Top 79%
×3stories
+67ft-78ft

Overall

20161

Females

7866

F18-39

7866

15K→20K

9.3 - 12.4 mi

Top 75%
×5stories
+106ft-86ft

Overall

19180

Females

7369

F18-39

7369

20K→Half

12.4 - 13.1 mi

Top 77%
×2stories
+19ft-37ft

Overall

19650

Females

7691

F18-39

7691

Half→25K

13.1 - 15.5 mi

Top 73%
×4stories
+66ft-88ft

Overall

18561

Females

7140

F18-39

7140

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

19428

Females

7809

F18-39

7809

30K→20M

18.6 - 20.0 mi

Top 86%
×5stories
+64ft-50ft

Overall

22075

Females

9289

F18-39

9289

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

20564

Females

8601

F18-39

8601

21M→35K

21.0 - 21.8 mi

Top 90%
×7stories
+17ft-86ft

Overall

22875

Females

9759

F18-39

9759

35K→23M

21.8 - 23.0 mi

Top 86%
×5stories
+23ft-63ft

Overall

22045

Females

9390

F18-39

9390

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

21139

Females

9006

F18-39

9006

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

21182

Females

9079

F18-39

9079

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

22369

Females

9632

F18-39

9632

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2stories
+22ft-21ft

Overall

22806

Females

9848

F18-39

9848

Passing Analysis

Category:
Athletes Passed
2056
Passed By
1492
Net Change
+564
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21070
5K → 10K359141+218#21070#20852
10K → 15K34898+250#20852#20602
15K → 20K41630+386#20602#20216
20K → Half4522+23#20216#20193
Half → 25K33236+296#20193#19897
25K → 30K242122+120#19897#19777
30K → 20M36257-221#19777#19998
20M → 21M63103-40#19998#20038
21M → 35K22167-145#20038#20183
35K → 23M50178-128#20183#20311
23M → 24M51101-50#20311#20361
24M → 40K4277-35#20361#20396
40K → 25.2M2249-27#20396#20423
25.2M → Finish28111-83#20423#20506
TOTALS20561492+564
📊

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