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BOSTON MARATHON 2024

Jenna Castro

Bib: 9328•F

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 28%
Gender (Female)
#0 / 10924
Top 12%
Division (F18-39)
#0 / 4660
Top 23%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:20
Rank: #6180
Start → 5K
21:20 | 6:52/mi
10K· 6.21 mi
42:29
Rank: #5708 (+472)
5K → 10K
21:09 | 6:48/mi
15K· 9.32 mi
1:03:52
Rank: #5599 (+109)
10K → 15K
21:23 | 6:53/mi
20K· 12.43 mi
1:25:58
Rank: #5650 (-51)
15K → 20K
22:06 | 7:07/mi
Half· 13.11 mi
1:30:48
Rank: #5684 (-34)
20K → Half
4:50 | 7:05/mi
25K· 15.53 mi
1:48:53
Rank: #5789 (-105)
Half → 25K
18:05 | 7:27/mi
30K· 18.64 mi
2:15:03
Rank: #6441 (-652)
25K → 30K
26:10 | 8:25/mi
20M
2:27:02
Rank: #6736 (-295)
30K → 20M
11:59 | 8:49/mi
21M
2:37:06
Rank: #7113 (-377)
20M → 21M
10:04 | 10:04/mi
35K· 21.75 mi
2:43:55
Rank: #7333 (-220)
21M → 35K
6:49 | 9:07/mi
23M
2:54:52
Rank: #7399 (-66)
35K → 23M
10:57 | 8:45/mi
24M
3:02:59
Rank: #7325 (+74)
23M → 24M
8:07 | 8:07/mi
40K· 24.85 mi
3:10:19
Rank: #7323 (+2)
24M → 40K
7:20 | 8:35/mi
25.2M
3:13:22
Rank: #7254 (+69)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:20:51
Rank: #7103 (+151)
25.2M → Finish
7:29 | 7:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:48
Pace6:56 /mi
2nd Half
Distance13.11 mi
Time1:50:03
Pace8:24 /mi
📊Positive Split: 21.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:5421:206:5221:20
6:52
-
10K
6.21 mi11:08:0342:296:5021:09
6:48
-0:04
15K
9.32 mi11:29:261:03:526:5121:23
6:53
+0:05
20K
12.43 mi11:51:321:25:586:5522:06
7:07
+0:14
Half
13.11 mi11:56:221:30:486:564:50
7:05
-0:02
25K
15.53 mi12:14:271:48:537:0118:05
7:27
+0:22
30K
18.64 mi12:40:372:15:037:1526:10
8:25
+0:58
20M
20.00 mi12:52:362:27:027:2111:59
8:49
+0:24
21M
21.00 mi13:02:402:37:067:2910:04
10:04
+1:15
35K
21.75 mi13:09:292:43:557:326:49
9:07
-0:57
23M
23.00 mi13:20:262:54:527:3610:57
8:45
-0:22
24M
24.00 mi13:28:333:02:597:378:07
8:07
-0:38
40K
24.85 mi13:35:533:10:197:397:20
8:35
+0:28
25.2M
25.20 mi13:38:563:13:227:403:03
8:51
+0:16
Finish
26.22 mi13:46:253:20:517:407:29
7:21
-1:30

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

6:48 /mi

Average Pace

7:40 /mi

Slowest Pace

10:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:22

58% of race

Time at Steady Pace

41:37

21% of race

Time at Slower Pace

42:52

21% of race

Average Pace: 7:40 /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 mi10:46:5421:206:5221:20
6:52
#6180
10K
6.21 mi11:08:0342:296:5021:09
6:48
#5708
15K
9.32 mi11:29:261:03:526:5121:23
6:53
#5599
20K
12.43 mi11:51:321:25:586:5522:06
7:07
#5650
Half
13.11 mi11:56:221:30:486:564:50
7:05
#5684
25K
15.53 mi12:14:271:48:537:0118:05
7:27
#5789
30K
18.64 mi12:40:372:15:037:1526:10
8:25
#6441
20M
20.00 mi12:52:362:27:027:2111:59
8:49
#6736
21M
21.00 mi13:02:402:37:067:2910:04
10:04
#7113
35K
21.75 mi13:09:292:43:557:326:49
9:07
#7333
23M
23.00 mi13:20:262:54:527:3610:57
8:45
#7399
24M
24.00 mi13:28:333:02:597:378:07
8:07
#7325
40K
24.85 mi13:35:533:10:197:397:20
8:35
#7323
25.2M
25.20 mi13:38:563:13:227:403:03
8:51
#7254
Finish
26.22 mi13:46:253:20:517:407:29
7:21
#7103
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi61805875875454(Top 21%)472(Top 4%)472(Top 10%)
10K6.21 mi3.10 mi5708+472488+99488+995273(Top 21%)406(Top 4%)406(Top 9%)
15K9.32 mi3.11 mi5599+109468+20468+205454(Top 21%)472(Top 4%)472(Top 10%)
20K12.43 mi3.11 mi5650-51508-40508-405896(Top 23%)643(Top 6%)643(Top 14%)
Half13.11 mi0.68 mi5684-34520-12520-126324(Top 25%)783(Top 7%)783(Top 17%)
25K15.53 mi2.42 mi5789-105570-50570-506752(Top 26%)1075(Top 10%)1075(Top 23%)
30K18.64 mi3.11 mi6441-652815-245815-24510237(Top 40%)2811(Top 26%)2811(Top 60%)
20M20.00 mi1.36 mi6736-295944-129944-12911168(Top 44%)3566(Top 33%)3566(Top 77%)
21M21.00 mi1.00 mi7113-3771117-1731117-17313238(Top 52%)4903(Top 45%)4903(Top 105%)
35K21.75 mi0.75 mi7333-2201234-1171234-11713868(Top 54%)5247(Top 48%)5247(Top 113%)
23M23.00 mi1.25 mi7399-661320-861320-869813(Top 38%)3292(Top 30%)3292(Top 71%)
24M24.00 mi1.00 mi7325+741332-121332-127298(Top 29%)2137(Top 20%)2137(Top 46%)
40K24.85 mi0.85 mi7323+21382-501382-508766(Top 34%)2952(Top 27%)2952(Top 63%)
25.2M25.20 mi0.35 mi7254+691374+81374+85871(Top 23%)1646(Top 15%)1646(Top 35%)
Finish26.22 mi1.02 mi7103+1511352+221352+224762(Top 19%)1083(Top 10%)1083(Top 23%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5454

Females

472

F18-39

472

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5273

Females

406

F18-39

406

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5454

Females

472

F18-39

472

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

5896

Females

643

F18-39

643

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

6324

Females

783

F18-39

783

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

6752

Females

1075

F18-39

1075

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

10237

Females

2811

F18-39

2811

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

11168

Females

3566

F18-39

3566

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

13238

Females

4903

F18-39

4903

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

13868

Females

5247

F18-39

5247

35K→23M

21.8 - 23.0 mi

Top 38%
×5stories
+23ft-63ft

Overall

9813

Females

3292

F18-39

3292

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

7298

Females

2137

F18-39

2137

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

8766

Females

2952

F18-39

2952

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

5871

Females

1646

F18-39

1646

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

4762

Females

1083

F18-39

1083

Passing Analysis

Category:
Athletes Passed
1726
Passed By
2649
Net Change
-923
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6180
5K → 10K49927+472#6180#5708
10K → 15K19889+109#5708#5599
15K → 20K149200-51#5599#5650
20K → Half1953-34#5650#5684
Half → 25K118223-105#5684#5789
25K → 30K64716-652#5789#6441
30K → 20M51346-295#6441#6736
20M → 21M35412-377#6736#7113
21M → 35K42262-220#7113#7333
35K → 23M104170-66#7333#7399
23M → 24M12652+74#7399#7325
24M → 40K8179+2#7325#7323
40K → 25.2M7910+69#7323#7254
25.2M → Finish16110+151#7254#7103
TOTALS17262649-923
📊

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