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BOSTON MARATHON 2025

Heather Sturdivant

Bib: 11552•F

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:01
Rank: #22498
Start → 5K
28:01 | 9:01/mi
10K· 6.21 mi
57:35
Rank: #23442 (-944)
5K → 10K
29:34 | 9:31/mi
15K· 9.32 mi
1:29:03
Rank: #24186 (-744)
10K → 15K
31:28 | 10:08/mi
20K· 12.43 mi
2:02:14
Rank: #24617 (-431)
15K → 20K
33:11 | 10:41/mi
Half· 13.11 mi
2:09:46
Rank: #24746 (-129)
20K → Half
7:32 | 11:02/mi
25K· 15.53 mi
2:38:36
Rank: #25141 (-395)
Half → 25K
28:50 | 11:54/mi
30K· 18.64 mi
3:19:03
Rank: #25553 (-412)
25K → 30K
40:27 | 13:01/mi
20M
3:30:18
Rank: #25090 (+463)
30K → 20M
11:15 | 8:17/mi
21M
3:38:55
Rank: #24723 (+367)
20M → 21M
8:37 | 8:37/mi
35K· 21.75 mi
3:44:50
Rank: #24496 (+227)
21M → 35K
5:55 | 7:55/mi
23M
3:55:11
Rank: #24062 (+434)
35K → 23M
10:21 | 8:16/mi
24M
4:03:17
Rank: #23761 (+301)
23M → 24M
8:06 | 8:06/mi
40K· 24.85 mi
4:10:22
Rank: #23485 (+276)
24M → 40K
7:05 | 8:17/mi
25.2M
4:13:29
Rank: #23344 (+141)
40K → 25.2M
3:07 | 9:02/mi
Finish· 26.22 mi
4:21:20
Rank: #23102 (+242)
25.2M → Finish
7:51 | 7:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:46
Pace9:54 /mi
2nd Half
Distance13.11 mi
Time2:11:34
Pace10:02 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:3628:019:0128:01
9:01
-
10K
6.21 mi11:58:1057:359:1629:34
9:31
+0:30
15K
9.32 mi12:29:381:29:039:3331:28
10:08
+0:37
20K
12.43 mi13:02:492:02:149:5033:11
10:41
+0:33
Half
13.11 mi13:10:212:09:469:547:32
11:02
+0:21
25K
15.53 mi13:39:112:38:3610:1328:50
11:54
+0:52
30K
18.64 mi14:19:383:19:0310:4140:27
13:01
+1:07
20M
20.00 mi14:30:533:30:1810:3111:15
8:17
-4:44
21M
21.00 mi14:39:303:38:5510:258:37
8:37
+0:20
35K
21.75 mi14:45:253:44:5010:205:55
7:55
-0:42
23M
23.00 mi14:55:463:55:1110:1410:21
8:16
+0:21
24M
24.00 mi15:03:524:03:1710:088:06
8:06
-0:10
40K
24.85 mi15:10:574:10:2210:047:05
8:17
+0:11
25.2M
25.20 mi15:14:044:13:2910:043:07
9:02
+0:45
Finish
26.22 mi15:21:554:21:209:587:51
7:42
-1:20

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

7:42 /mi

Average Pace

9:58 /mi

Slowest Pace

13:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

21:52

8% of race

Time at Steady Pace

1:38:00

38% of race

Time at Slower Pace

2:21:28

54% of race

Average Pace: 9:58 /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 mi11:28:3628:019:0128:01
9:01
#22498
10K
6.21 mi11:58:1057:359:1629:34
9:31
#23442
15K
9.32 mi12:29:381:29:039:3331:28
10:08
#24186
20K
12.43 mi13:02:492:02:149:5033:11
10:41
#24617
Half
13.11 mi13:10:212:09:469:547:32
11:02
#24746
25K
15.53 mi13:39:112:38:3610:1328:50
11:54
#25141
30K
18.64 mi14:19:383:19:0310:4140:27
13:01
#25553
20M
20.00 mi14:30:533:30:1810:3111:15
8:17
#25090
21M
21.00 mi14:39:303:38:5510:258:37
8:37
#24723
35K
21.75 mi14:45:253:44:5010:205:55
7:55
#24496
23M
23.00 mi14:55:463:55:1110:1410:21
8:16
#24062
24M
24.00 mi15:03:524:03:1710:088:06
8:06
#23761
40K
24.85 mi15:10:574:10:2210:047:05
8:17
#23485
25.2M
25.20 mi15:14:044:13:2910:043:07
9:02
#23344
Finish
26.22 mi15:21:554:21:209:587:51
7:42
#23102
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi224988906890625265(Top 89%)10382(Top 85%)10382(Top 573%)
10K6.21 mi3.10 mi23442-9449387-4819387-48124162(Top 85%)9778(Top 80%)9778(Top 539%)
15K9.32 mi3.11 mi24186-7449778-3919778-39125265(Top 89%)10382(Top 85%)10382(Top 573%)
20K12.43 mi3.11 mi24617-43110030-25210030-25225503(Top 90%)10534(Top 86%)10534(Top 581%)
Half13.11 mi0.68 mi24746-12910094-6410094-6426564(Top 94%)11155(Top 91%)11155(Top 615%)
25K15.53 mi2.42 mi25141-39510333-23910333-23926328(Top 93%)11043(Top 90%)11043(Top 609%)
30K18.64 mi3.11 mi25553-41210595-26210595-26226703(Top 94%)11336(Top 93%)11336(Top 625%)
20M20.00 mi1.36 mi25090+46310337+25810337+25812382(Top 44%)3646(Top 30%)3646(Top 201%)
21M21.00 mi1.00 mi24723+36710152+18510152+18511246(Top 40%)3226(Top 26%)3226(Top 178%)
35K21.75 mi0.75 mi24496+22710042+11010042+11011718(Top 41%)3520(Top 29%)3520(Top 194%)
23M23.00 mi1.25 mi24062+4349825+2179825+21711878(Top 42%)3689(Top 30%)3689(Top 203%)
24M24.00 mi1.00 mi23761+3019681+1449681+14411961(Top 42%)3800(Top 31%)3800(Top 210%)
40K24.85 mi0.85 mi23485+2769552+1299552+12912116(Top 43%)3989(Top 33%)3989(Top 220%)
25.2M25.20 mi0.35 mi23344+1419485+679485+6712137(Top 43%)4078(Top 33%)4078(Top 225%)
Finish26.22 mi1.02 mi23102+2429376+1099376+10910783(Top 38%)3377(Top 28%)3377(Top 186%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

25265

Females

10382

F45-49

10382

5K→10K

3.1 - 6.2 mi

Top 85%
×5stories
+79ft-138ft

Overall

24162

Females

9778

F45-49

9778

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

25265

Females

10382

F45-49

10382

15K→20K

9.3 - 12.4 mi

Top 90%
×5stories
+106ft-86ft

Overall

25503

Females

10534

F45-49

10534

20K→Half

12.4 - 13.1 mi

Top 94%
×2stories
+19ft-37ft

Overall

26564

Females

11155

F45-49

11155

Half→25K

13.1 - 15.5 mi

Top 93%
×4stories
+66ft-88ft

Overall

26328

Females

11043

F45-49

11043

25K→30K

15.5 - 18.6 mi

Top 94%
×9stories
+181ft-148ft

Overall

26703

Females

11336

F45-49

11336

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

12382

Females

3646

F45-49

3646

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

11246

Females

3226

F45-49

3226

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

11718

Females

3520

F45-49

3520

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

11878

Females

3689

F45-49

3689

23M→24M

23.0 - 24.0 mi

Top 42%
×6stories
+12ft-82ft

Overall

11961

Females

3800

F45-49

3800

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

12116

Females

3989

F45-49

3989

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

12137

Females

4078

F45-49

4078

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2stories
+22ft-21ft

Overall

10783

Females

3377

F45-49

3377

Passing Analysis

Category:
Athletes Passed
2613
Passed By
3217
Net Change
-604
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22498
5K → 10K36980-944#22498#23442
10K → 15K35779-744#23442#24186
15K → 20K43474-431#24186#24617
20K → Half6135-129#24617#24746
Half → 25K18413-395#24746#25141
25K → 30K24436-412#25141#25553
30K → 20M4630+463#25553#25090
20M → 21M3670+367#25090#24723
21M → 35K2270+227#24723#24496
35K → 23M4340+434#24496#24062
23M → 24M3010+301#24062#23761
24M → 40K2760+276#23761#23485
40K → 25.2M1410+141#23485#23344
25.2M → Finish2420+242#23344#23102
TOTALS26133217-604
📊

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