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BOSTON MARATHON 2024

Marcela Castillo

Bib: 22227•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Top 46%
Division (F50-54)
#0 / 1187
Top 43%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:19
Rank: #17614
Start → 5K
26:19 | 8:28/mi
10K· 6.21 mi
52:21
Rank: #17066 (+548)
5K → 10K
26:02 | 8:23/mi
15K· 9.32 mi
1:19:09
Rank: #17036 (+30)
10K → 15K
26:48 | 8:38/mi
20K· 12.43 mi
1:46:33
Rank: #16853 (+183)
15K → 20K
27:24 | 8:49/mi
Half· 13.11 mi
1:52:32
Rank: #16857 (-4)
20K → Half
5:59 | 8:46/mi
25K· 15.53 mi
2:14:57
Rank: #16767 (+90)
Half → 25K
22:25 | 9:15/mi
30K· 18.64 mi
2:45:09
Rank: #16689 (+78)
25K → 30K
30:12 | 9:43/mi
20M
2:59:34
Rank: #16897 (-208)
30K → 20M
14:25 | 10:37/mi
21M
3:09:53
Rank: #16741 (+156)
20M → 21M
10:19 | 10:19/mi
35K· 21.75 mi
3:16:11
Rank: #16525 (+216)
21M → 35K
6:18 | 8:25/mi
23M
3:27:27
Rank: #16213 (+312)
35K → 23M
11:16 | 9:00/mi
24M
3:36:34
Rank: #16026 (+187)
23M → 24M
9:07 | 9:07/mi
40K· 24.85 mi
3:44:48
Rank: #15915 (+111)
24M → 40K
8:14 | 9:38/mi
25.2M
3:48:42
Rank: #15910 (+5)
40K → 25.2M
3:54 | 11:19/mi
Finish· 26.22 mi
3:58:32
Rank: #15953 (-43)
25.2M → Finish
9:50 | 9:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:32
Pace8:35 /mi
2nd Half
Distance13.11 mi
Time2:06:00
Pace9:37 /mi
📊Positive Split: 12.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:1526:198:2826:19
8:28
-
10K
6.21 mi11:51:1752:218:2526:02
8:23
-0:05
15K
9.32 mi12:18:051:19:098:3026:48
8:38
+0:15
20K
12.43 mi12:45:291:46:338:3427:24
8:49
+0:11
Half
13.11 mi12:51:281:52:328:355:59
8:46
-0:03
25K
15.53 mi13:13:532:14:578:4122:25
9:15
+0:29
30K
18.64 mi13:44:052:45:098:5230:12
9:43
+0:28
20M
20.00 mi13:58:302:59:348:5914:25
10:37
+0:54
21M
21.00 mi14:08:493:09:539:0310:19
10:19
-0:18
35K
21.75 mi14:15:073:16:119:016:18
8:25
-1:54
23M
23.00 mi14:26:233:27:279:0111:16
9:00
+0:35
24M
24.00 mi14:35:303:36:349:019:07
9:07
+0:07
40K
24.85 mi14:43:443:44:489:038:14
9:38
+0:31
25.2M
25.20 mi14:47:383:48:429:053:54
11:19
+1:41
Finish
26.22 mi14:57:283:58:329:069:50
9:39
-1:40

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

8:23 /mi

Average Pace

9:06 /mi

Slowest Pace

11:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:27

36% of race

Time at Steady Pace

1:16:11

32% of race

Time at Slower Pace

1:16:54

32% of race

Average Pace: 9:06 /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 mi11:25:1526:198:2826:19
8:28
#17614
10K
6.21 mi11:51:1752:218:2526:02
8:23
#17066
15K
9.32 mi12:18:051:19:098:3026:48
8:38
#17036
20K
12.43 mi12:45:291:46:338:3427:24
8:49
#16853
Half
13.11 mi12:51:281:52:328:355:59
8:46
#16857
25K
15.53 mi13:13:532:14:578:4122:25
9:15
#16767
30K
18.64 mi13:44:052:45:098:5230:12
9:43
#16689
20M
20.00 mi13:58:302:59:348:5914:25
10:37
#16897
21M
21.00 mi14:08:493:09:539:0310:19
10:19
#16741
35K
21.75 mi14:15:073:16:119:016:18
8:25
#16525
23M
23.00 mi14:26:233:27:279:0111:16
9:00
#16213
24M
24.00 mi14:35:303:36:349:019:07
9:07
#16026
40K
24.85 mi14:43:443:44:489:038:14
9:38
#15915
25.2M
25.20 mi14:47:383:48:429:053:54
11:19
#15910
Finish
26.22 mi14:57:283:58:329:069:50
9:39
#15953
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi176146534653417111(Top 67%)6203(Top 57%)6203(Top 523%)
10K6.21 mi3.10 mi17066+5486188+3466188+34616588(Top 65%)5882(Top 54%)5882(Top 496%)
15K9.32 mi3.11 mi17036+306166+226166+2217111(Top 67%)6203(Top 57%)6203(Top 523%)
20K12.43 mi3.11 mi16853+1836082+846082+8416501(Top 65%)5894(Top 54%)5894(Top 497%)
Half13.11 mi0.68 mi16857-46085-36085-317220(Top 67%)6343(Top 58%)6343(Top 534%)
25K15.53 mi2.42 mi16767+906058+276058+2716605(Top 65%)6047(Top 55%)6047(Top 509%)
30K18.64 mi3.11 mi16689+786082-246082-2416323(Top 64%)6134(Top 56%)6134(Top 517%)
20M20.00 mi1.36 mi16897-2086238-1566238-15618302(Top 72%)7360(Top 67%)7360(Top 620%)
21M21.00 mi1.00 mi16741+1566180+586180+5814203(Top 56%)5421(Top 50%)5421(Top 457%)
35K21.75 mi0.75 mi16525+2166054+1266054+12610340(Top 40%)3424(Top 31%)3424(Top 288%)
23M23.00 mi1.25 mi16213+3125926+1285926+12811197(Top 44%)4009(Top 37%)4009(Top 338%)
24M24.00 mi1.00 mi16026+1875855+715855+7112751(Top 50%)4808(Top 44%)4808(Top 405%)
40K24.85 mi0.85 mi15915+1115822+335822+3313650(Top 53%)5363(Top 49%)5363(Top 452%)
25.2M25.20 mi0.35 mi15910+55835-135835-1315519(Top 61%)6291(Top 58%)6291(Top 530%)
Finish26.22 mi1.02 mi15953-435878-435878-4317150(Top 67%)7082(Top 65%)7082(Top 597%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

17111

Females

6203

F50-54

6203

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

16588

Females

5882

F50-54

5882

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

17111

Females

6203

F50-54

6203

15K→20K

9.3 - 12.4 mi

Top 65%
×5stories
+106ft-86ft

Overall

16501

Females

5894

F50-54

5894

20K→Half

12.4 - 13.1 mi

Top 67%
×2stories
+19ft-37ft

Overall

17220

Females

6343

F50-54

6343

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

16605

Females

6047

F50-54

6047

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

16323

Females

6134

F50-54

6134

30K→20M

18.6 - 20.0 mi

Top 72%
×5stories
+64ft-50ft

Overall

18302

Females

7360

F50-54

7360

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

14203

Females

5421

F50-54

5421

21M→35K

21.0 - 21.8 mi

Top 40%
×7stories
+17ft-86ft

Overall

10340

Females

3424

F50-54

3424

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

11197

Females

4009

F50-54

4009

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

12751

Females

4808

F50-54

4808

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

13650

Females

5363

F50-54

5363

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

15519

Females

6291

F50-54

6291

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

17150

Females

7082

F50-54

7082

Passing Analysis

Category:
Athletes Passed
3020
Passed By
1359
Net Change
+1661
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17614
5K → 10K63789+548#17614#17066
10K → 15K263233+30#17066#17036
15K → 20K340157+183#17036#16853
20K → Half3539-4#16853#16857
Half → 25K263173+90#16857#16767
25K → 30K270192+78#16767#16689
30K → 20M65273-208#16689#16897
20M → 21M19135+156#16897#16741
21M → 35K2171+216#16741#16525
35K → 23M3142+312#16525#16213
23M → 24M1903+187#16213#16026
24M → 40K13423+111#16026#15915
40K → 25.2M3732+5#15915#15910
25.2M → Finish64107-43#15910#15953
TOTALS30201359+1661
📊

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