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BOSTON MARATHON 2024

Stephanie Castro

Bib: 25843•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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
12:08/mi
37:41
↑ 97↓ 3451.5%
10K· 6.21 mi
13:13/mi
1:18:45
↑ 79↓ 1380.4%
15K· 9.32 mi
12:46/mi
1:58:26
↑ 67↓ 78
20K· 12.43 mi
13:45/mi
2:41:08
↑ 106↓ 860.1%
Half· 13.11 mi
11:57/mi
2:49:17
↑ 19↓ 370.5%
25K· 15.53 mi
14:26/mi
3:24:17
↑ 66↓ 880.2%
30K· 18.64 mi
14:35/mi
4:09:35
↑ 181↓ 1480.2%
20M
13:57/mi
4:28:33
↑ 64↓ 500.2%
21M
16:00/mi
4:44:33
↑ 106↓ 241.6%
35K· 21.75 mi
15:02/mi
4:55:48
↑ 17↓ 861.7%
23M
15:55/mi
5:15:44
↑ 23↓ 630.6%
24M
14:12/mi
5:29:56
↓ 821.3%
40K· 24.85 mi
15:05/mi
5:42:50
↓ 200.3%
25.2M
14:13/mi
5:47:44
↑ 13↓ 160.2%
Finish· 26.22 mi
12:31/mi
6:00:29
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:49:17
Pace12:55 /mi
2nd Half
Distance13.11 mi
Time3:11:12
Pace14:35 /mi
📊Positive Split: 12.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:2937:4112:0837:41
12:08
-
10K
6.21 mi12:34:331:18:4512:4041:04
13:13
+1:05
15K
9.32 mi13:14:141:58:2612:4239:41
12:46
-0:27
20K
12.43 mi13:56:562:41:0812:5842:42
13:45
+0:59
Half
13.11 mi14:05:052:49:1712:558:09
11:57
-1:48
25K
15.53 mi14:40:053:24:1713:0935:00
14:26
+2:29
30K
18.64 mi15:25:234:09:3513:2345:18
14:35
+0:09
20M
20.00 mi15:44:214:28:3313:2618:58
13:57
-0:38
21M
21.00 mi16:00:214:44:3313:3316:00
16:00
+2:03
35K
21.75 mi16:11:364:55:4813:3611:15
15:02
-0:58
23M
23.00 mi16:31:325:15:4413:4419:56
15:55
+0:53
24M
24.00 mi16:45:445:29:5613:4514:12
14:12
-1:43
40K
24.85 mi16:58:385:42:5013:4812:54
15:05
+0:53
25.2M
25.20 mi17:03:325:47:4413:484:54
14:13
-0:52
Finish
26.22 mi17:16:176:00:2913:4612:45
12:31
-1:42

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

11:57 /mi

Average Pace

13:46 /mi

Slowest Pace

16:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:19:20

39% of race

Time at Steady Pace

2:41:04

45% of race

Time at Slower Pace

1:00:05

17% of race

Average Pace: 13:45 /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 mi11:53:2937:4112:0837:41
12:08
#25452
10K
6.21 mi12:34:331:18:4512:4041:04
13:13
#25489
15K
9.32 mi13:14:141:58:2612:4239:41
12:46
#25427
20K
12.43 mi13:56:562:41:0812:5842:42
13:45
#25422
Half
13.11 mi14:05:052:49:1712:558:09
11:57
#25399
25K
15.53 mi14:40:053:24:1713:0935:00
14:26
#25400
30K
18.64 mi15:25:234:09:3513:2345:18
14:35
#25356
20M
20.00 mi15:44:214:28:3313:2618:58
13:57
#25321
21M
21.00 mi16:00:214:44:3313:3316:00
16:00
#25320
35K
21.75 mi16:11:364:55:4813:3611:15
15:02
#25327
23M
23.00 mi16:31:325:15:4413:4419:56
15:55
#25356
24M
24.00 mi16:45:445:29:5613:4514:12
14:12
#25355
40K
24.85 mi16:58:385:42:5013:4812:54
15:05
#25369
25.2M
25.20 mi17:03:325:47:4413:484:54
14:13
#25358
Finish
26.22 mi17:16:176:00:2913:4612:45
12:31
#25353
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25452108621086225199(Top 99%)10695(Top 98%)10695(Top 230%)
10K6.21 mi3.10 mi25489-3710893-3110893-3125494(Top 100%)10899(Top 100%)10899(Top 234%)
15K9.32 mi3.11 mi25427+6210852+4110852+4125199(Top 99%)10695(Top 98%)10695(Top 230%)
20K12.43 mi3.11 mi25422+510848+410848+425266(Top 99%)10760(Top 98%)10760(Top 231%)
Half13.11 mi0.68 mi25399+2310829+1910829+1924554(Top 96%)10363(Top 95%)10363(Top 222%)
25K15.53 mi2.42 mi25400-110831-210831-225140(Top 98%)10710(Top 98%)10710(Top 230%)
30K18.64 mi3.11 mi25356+4410812+1910812+1924651(Top 96%)10492(Top 96%)10492(Top 225%)
20M20.00 mi1.36 mi25321+3510790+2210790+2223929(Top 94%)10194(Top 93%)10194(Top 219%)
21M21.00 mi1.00 mi25320+110789+110789+124483(Top 96%)10493(Top 96%)10493(Top 225%)
35K21.75 mi0.75 mi25327-710796-710796-724885(Top 97%)10692(Top 98%)10692(Top 229%)
23M23.00 mi1.25 mi25356-2910818-2210818-2225066(Top 98%)10760(Top 98%)10760(Top 231%)
24M24.00 mi1.00 mi25355+110819-110819-124343(Top 95%)10508(Top 96%)10508(Top 225%)
40K24.85 mi0.85 mi25369-1410830-1110830-1124598(Top 96%)10623(Top 97%)10623(Top 228%)
25.2M25.20 mi0.35 mi25358+1110826+410826+421960(Top 86%)9463(Top 87%)9463(Top 203%)
Finish26.22 mi1.02 mi25353+510824+210824+223904(Top 94%)10347(Top 95%)10347(Top 222%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21story building
+97ft-345ft

Overall

25199

Females

10695

F18-39

10695

5K→10K

3.1 - 6.2 mi

Top 100%
×5story building
+79ft-138ft

Overall

25494

Females

10899

F18-39

10899

10K→15K

6.2 - 9.3 mi

Top 99%
×3story building
+67ft-78ft

Overall

25199

Females

10695

F18-39

10695

15K→20K

9.3 - 12.4 mi

Top 99%
×5story building
+106ft-86ft

Overall

25266

Females

10760

F18-39

10760

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

24554

Females

10363

F18-39

10363

Half→25K

13.1 - 15.5 mi

Top 98%
×4story building
+66ft-88ft

Overall

25140

Females

10710

F18-39

10710

25K→30K

15.5 - 18.6 mi

Top 96%
×9story building
+181ft-148ft

Overall

24651

Females

10492

F18-39

10492

30K→20M

18.6 - 20.0 mi

Top 94%
×5story building
+64ft-50ft

Overall

23929

Females

10194

F18-39

10194

20M→21M

20.0 - 21.0 mi

Top 96%
×8story building
+106ft-24ft

Overall

24483

Females

10493

F18-39

10493

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

24885

Females

10692

F18-39

10692

35K→23M

21.8 - 23.0 mi

Top 98%
×5story building
+23ft-63ft

Overall

25066

Females

10760

F18-39

10760

23M→24M

23.0 - 24.0 mi

Top 95%
×6story building
+12ft-82ft

Overall

24343

Females

10508

F18-39

10508

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

24598

Females

10623

F18-39

10623

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

21960

Females

9463

F18-39

9463

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2story building
+22ft-21ft

Overall

23904

Females

10347

F18-39

10347

Passing Analysis

Category:
Athletes Passed
295
Passed By
196
Net Change
+99
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25452
5K → 10K845-37#25452#25489
10K → 15K631+62#25489#25427
15K → 20K2217+5#25427#25422
20K → Half230+23#25422#25399
Half → 25K1819-1#25399#25400
25K → 30K506+44#25400#25356
30K → 20M383+35#25356#25321
20M → 21M1211+1#25321#25320
21M → 35K613-7#25320#25327
35K → 23M433-29#25327#25356
23M → 24M1514+1#25356#25355
24M → 40K519-14#25355#25369
40K → 25.2M121+11#25369#25358
25.2M → Finish1914+5#25358#25353
TOTALS295196+99
📊

Passing Visuals

Category:
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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