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BOSTON MARATHON 2025

Jeannine Castater

Bib: 30247•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:30
Rank: #25922
Start → 5K
31:30 | 10:08/mi
10K· 6.21 mi
1:04:02
Rank: #26098 (-176)
5K → 10K
32:32 | 10:28/mi
15K· 9.32 mi
1:35:36
Rank: #25833 (+265)
10K → 15K
31:34 | 10:10/mi
20K· 12.43 mi
2:10:08
Rank: #25923 (-90)
15K → 20K
34:32 | 11:07/mi
Half· 13.11 mi
2:18:38
Rank: #26099 (-176)
20K → Half
8:30 | 12:28/mi
25K· 15.53 mi
2:49:18
Rank: #26343 (-244)
Half → 25K
30:40 | 12:39/mi
30K· 18.64 mi
3:34:53
Rank: #26825 (-482)
25K → 30K
45:35 | 14:40/mi
20M
3:53:53
Rank: #26896 (-71)
30K → 20M
19:00 | 13:59/mi
21M
4:08:52
Rank: #26925 (-29)
20M → 21M
14:59 | 14:59/mi
35K· 21.75 mi
4:18:56
Rank: #26958 (-33)
21M → 35K
10:04 | 13:27/mi
23M
4:36:03
Rank: #26983 (-25)
35K → 23M
17:07 | 13:40/mi
24M
4:49:11
Rank: #26986 (-3)
23M → 24M
13:08 | 13:08/mi
40K· 24.85 mi
5:00:24
Rank: #26966 (+20)
24M → 40K
11:13 | 13:08/mi
25.2M
5:04:46
Rank: #26937 (+29)
40K → 25.2M
4:22 | 12:40/mi
Finish· 26.22 mi
5:15:32
Rank: #26877 (+60)
25.2M → Finish
10:46 | 10:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:18:38
Pace10:34 /mi
2nd Half
Distance13.11 mi
Time2:56:54
Pace13:30 /mi
📊Positive Split: 27.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:4531:3010:0831:30
10:08
-
10K
6.21 mi12:24:171:04:0210:1832:32
10:28
+0:20
15K
9.32 mi12:55:511:35:3610:1531:34
10:10
-0:18
20K
12.43 mi13:30:232:10:0810:2834:32
11:07
+0:57
Half
13.11 mi13:38:532:18:3810:348:30
12:28
+1:21
25K
15.53 mi14:09:332:49:1810:5430:40
12:39
+0:11
30K
18.64 mi14:55:083:34:5311:3245:35
14:40
+2:01
20M
20.00 mi15:14:083:53:5311:4219:00
13:59
-0:41
21M
21.00 mi15:29:074:08:5211:5114:59
14:59
+1:00
35K
21.75 mi15:39:114:18:5611:5410:04
13:27
-1:32
23M
23.00 mi15:56:184:36:0312:0017:07
13:40
+0:13
24M
24.00 mi16:09:264:49:1112:0313:08
13:08
-0:32
40K
24.85 mi16:20:395:00:2412:0511:13
13:08
0:00
25.2M
25.20 mi16:25:015:04:4612:064:22
12:40
-0:28
Finish
26.22 mi16:35:475:15:3212:0310:46
10:34
-2:06

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

10:08 /mi

Average Pace

12:03 /mi

Slowest Pace

14:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:20:54

45% of race

Time at Steady Pace

1:17:57

25% of race

Time at Slower Pace

1:36:41

31% of race

Average Pace: 12:02 /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 mi11:51:4531:3010:0831:30
10:08
#25922
10K
6.21 mi12:24:171:04:0210:1832:32
10:28
#26098
15K
9.32 mi12:55:511:35:3610:1531:34
10:10
#25833
20K
12.43 mi13:30:232:10:0810:2834:32
11:07
#25923
Half
13.11 mi13:38:532:18:3810:348:30
12:28
#26099
25K
15.53 mi14:09:332:49:1810:5430:40
12:39
#26343
30K
18.64 mi14:55:083:34:5311:3245:35
14:40
#26825
20M
20.00 mi15:14:083:53:5311:4219:00
13:59
#26896
21M
21.00 mi15:29:074:08:5211:5114:59
14:59
#26925
35K
21.75 mi15:39:114:18:5611:5410:04
13:27
#26958
23M
23.00 mi15:56:184:36:0312:0017:07
13:40
#26983
24M
24.00 mi16:09:264:49:1112:0313:08
13:08
#26986
40K
24.85 mi16:20:395:00:2412:0511:13
13:08
#26966
25.2M
25.20 mi16:25:015:04:4612:064:22
12:40
#26937
Finish
26.22 mi16:35:475:15:3212:0310:46
10:34
#26877
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25922107211072125327(Top 89%)10421(Top 85%)10421(Top 191%)
10K6.21 mi3.10 mi26098-17610826-10510826-10526217(Top 92%)10914(Top 89%)10914(Top 200%)
15K9.32 mi3.11 mi25833+26510687+13910687+13925327(Top 89%)10421(Top 85%)10421(Top 191%)
20K12.43 mi3.11 mi25923-9010749-6210749-6226168(Top 92%)10898(Top 89%)10898(Top 199%)
Half13.11 mi0.68 mi26099-17610840-9110840-9127740(Top 98%)11851(Top 97%)11851(Top 217%)
25K15.53 mi2.42 mi26343-24410978-13810978-13827042(Top 95%)11452(Top 94%)11452(Top 209%)
30K18.64 mi3.11 mi26825-48211298-32011298-32027887(Top 98%)11994(Top 98%)11994(Top 219%)
20M20.00 mi1.36 mi26896-7111346-4811346-4827275(Top 96%)11695(Top 96%)11695(Top 214%)
21M21.00 mi1.00 mi26925-2911366-2011366-2027135(Top 96%)11637(Top 95%)11637(Top 213%)
35K21.75 mi0.75 mi26958-3311392-2611392-2627334(Top 96%)11761(Top 96%)11761(Top 215%)
23M23.00 mi1.25 mi26983-2511414-2211414-2227043(Top 95%)11632(Top 95%)11632(Top 213%)
24M24.00 mi1.00 mi26986-311424-1011424-1026985(Top 95%)11628(Top 95%)11628(Top 213%)
40K24.85 mi0.85 mi26966+2011422+211422+226414(Top 93%)11340(Top 93%)11340(Top 207%)
25.2M25.20 mi0.35 mi26937+2911409+1311409+1324462(Top 86%)10418(Top 85%)10418(Top 190%)
Finish26.22 mi1.02 mi26877+6011379+3011379+3024417(Top 86%)10366(Top 85%)10366(Top 190%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

25327

Females

10421

F18-39

10421

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

26217

Females

10914

F18-39

10914

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

25327

Females

10421

F18-39

10421

15K→20K

9.3 - 12.4 mi

Top 92%
×5stories
+106ft-86ft

Overall

26168

Females

10898

F18-39

10898

20K→Half

12.4 - 13.1 mi

Top 98%
×2stories
+19ft-37ft

Overall

27740

Females

11851

F18-39

11851

Half→25K

13.1 - 15.5 mi

Top 95%
×4stories
+66ft-88ft

Overall

27042

Females

11452

F18-39

11452

25K→30K

15.5 - 18.6 mi

Top 98%
×9stories
+181ft-148ft

Overall

27887

Females

11994

F18-39

11994

30K→20M

18.6 - 20.0 mi

Top 96%
×5stories
+64ft-50ft

Overall

27275

Females

11695

F18-39

11695

20M→21M

20.0 - 21.0 mi

Top 96%
×8stories
+106ft-24ft

Overall

27135

Females

11637

F18-39

11637

21M→35K

21.0 - 21.8 mi

Top 96%
×7stories
+17ft-86ft

Overall

27334

Females

11761

F18-39

11761

35K→23M

21.8 - 23.0 mi

Top 95%
×5stories
+23ft-63ft

Overall

27043

Females

11632

F18-39

11632

23M→24M

23.0 - 24.0 mi

Top 95%
×6stories
+12ft-82ft

Overall

26985

Females

11628

F18-39

11628

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

26414

Females

11340

F18-39

11340

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

24462

Females

10418

F18-39

10418

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2stories
+22ft-21ft

Overall

24417

Females

10366

F18-39

10366

Passing Analysis

Category:
Athletes Passed
732
Passed By
1687
Net Change
-955
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25922
5K → 10K109285-176#25922#26098
10K → 15K28419+265#26098#25833
15K → 20K97187-90#25833#25923
20K → Half4180-176#25923#26099
Half → 25K17261-244#26099#26343
25K → 30K15497-482#26343#26825
30K → 20M1990-71#26825#26896
20M → 21M1645-29#26896#26925
21M → 35K841-33#26925#26958
35K → 23M2045-25#26958#26983
23M → 24M2326-3#26983#26986
24M → 40K288+20#26986#26966
40K → 25.2M290+29#26966#26937
25.2M → Finish633+60#26937#26877
TOTALS7321687-955
📊

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