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BOSTON MARATHON 2025

Stephanie Whitford

Bib: 24334•F

KY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F60-64)
#0 / 624
Top 21%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:49
Rank: #20660
Start → 5K
26:49 | 8:38/mi
10K· 6.21 mi
53:45
Rank: #20659 (+1)
5K → 10K
26:56 | 8:40/mi
15K· 9.32 mi
1:21:14
Rank: #20834 (-175)
10K → 15K
27:29 | 8:51/mi
20K· 12.43 mi
1:49:09
Rank: #20827 (+7)
15K → 20K
27:55 | 8:59/mi
Half· 13.11 mi
1:55:10
Rank: #20848 (-21)
20K → Half
6:01 | 8:49/mi
25K· 15.53 mi
2:17:34
Rank: #20893 (-45)
Half → 25K
22:24 | 9:14/mi
30K· 18.64 mi
2:47:05
Rank: #20697 (+196)
25K → 30K
29:31 | 9:30/mi
20M
3:00:00
Rank: #20557 (+140)
30K → 20M
12:55 | 9:30/mi
21M
3:10:12
Rank: #20468 (+89)
20M → 21M
10:12 | 10:12/mi
35K· 21.75 mi
3:16:47
Rank: #20336 (+132)
21M → 35K
6:35 | 8:48/mi
23M
3:28:40
Rank: #20249 (+87)
35K → 23M
11:53 | 9:29/mi
24M
3:37:38
Rank: #20137 (+112)
23M → 24M
8:58 | 8:58/mi
40K· 24.85 mi
3:45:42
Rank: #20069 (+68)
24M → 40K
8:04 | 9:26/mi
25.2M
3:49:10
Rank: #20028 (+41)
40K → 25.2M
3:28 | 10:03/mi
Finish· 26.22 mi
3:57:57
Rank: #19931 (+97)
25.2M → Finish
8:47 | 8:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:10
Pace8:47 /mi
2nd Half
Distance13.11 mi
Time2:02:47
Pace9:22 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:1726:498:3826:49
8:38
-
10K
6.21 mi11:52:1353:458:3926:56
8:40
+0:02
15K
9.32 mi12:19:421:21:148:4327:29
8:51
+0:11
20K
12.43 mi12:47:371:49:098:4727:55
8:59
+0:08
Half
13.11 mi12:53:381:55:108:476:01
8:49
-0:10
25K
15.53 mi13:16:022:17:348:5122:24
9:14
+0:25
30K
18.64 mi13:45:332:47:058:5829:31
9:30
+0:16
20M
20.00 mi13:58:283:00:009:0012:55
9:30
0:00
21M
21.00 mi14:08:403:10:129:0310:12
10:12
+0:42
35K
21.75 mi14:15:153:16:479:036:35
8:48
-1:24
23M
23.00 mi14:27:083:28:409:0411:53
9:29
+0:41
24M
24.00 mi14:36:063:37:389:048:58
8:58
-0:31
40K
24.85 mi14:44:103:45:429:058:04
9:26
+0:28
25.2M
25.20 mi14:47:383:49:109:063:28
10:03
+0:37
Finish
26.22 mi14:56:253:57:579:058:47
8:37
-1:26

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

8:37 /mi

Average Pace

9:05 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:58

71% of race

Time at Steady Pace

57:47

24% of race

Time at Slower Pace

10:12

4% of race

Average Pace: 9:05 /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 mi11:25:1726:498:3826:49
8:38
#20660
10K
6.21 mi11:52:1353:458:3926:56
8:40
#20659
15K
9.32 mi12:19:421:21:148:4327:29
8:51
#20834
20K
12.43 mi12:47:371:49:098:4727:55
8:59
#20827
Half
13.11 mi12:53:381:55:108:476:01
8:49
#20848
25K
15.53 mi13:16:022:17:348:5122:24
9:14
#20893
30K
18.64 mi13:45:332:47:058:5829:31
9:30
#20697
20M
20.00 mi13:58:283:00:009:0012:55
9:30
#20557
21M
21.00 mi14:08:403:10:129:0310:12
10:12
#20468
35K
21.75 mi14:15:153:16:479:036:35
8:48
#20336
23M
23.00 mi14:27:083:28:409:0411:53
9:29
#20249
24M
24.00 mi14:36:063:37:389:048:58
8:58
#20137
40K
24.85 mi14:44:103:45:429:058:04
9:26
#20069
25.2M
25.20 mi14:47:383:49:109:063:28
10:03
#20028
Finish
26.22 mi14:56:253:57:579:058:47
8:37
#19931
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi206607889788921267(Top 75%)8143(Top 67%)8143(Top 1305%)
10K6.21 mi3.10 mi20659+17868+217868+2120714(Top 73%)7869(Top 64%)7869(Top 1261%)
15K9.32 mi3.11 mi20834-1757948-807948-8021267(Top 75%)8143(Top 67%)8143(Top 1305%)
20K12.43 mi3.11 mi20827+77940+87940+820893(Top 74%)7990(Top 65%)7990(Top 1280%)
Half13.11 mi0.68 mi20848-217951-117951-1121015(Top 74%)8048(Top 66%)8048(Top 1290%)
25K15.53 mi2.42 mi20893-457981-307981-3020934(Top 74%)8062(Top 66%)8062(Top 1292%)
30K18.64 mi3.11 mi20697+1967925+567925+5619951(Top 70%)7638(Top 62%)7638(Top 1224%)
20M20.00 mi1.36 mi20557+1407860+657860+6519214(Top 68%)7379(Top 60%)7379(Top 1183%)
21M21.00 mi1.00 mi20468+897840+207840+2019035(Top 67%)7347(Top 60%)7347(Top 1177%)
35K21.75 mi0.75 mi20336+1327778+627778+6217307(Top 61%)6542(Top 54%)6542(Top 1048%)
23M23.00 mi1.25 mi20249+877759+197759+1918679(Top 66%)7339(Top 60%)7339(Top 1176%)
24M24.00 mi1.00 mi20137+1127713+467713+4617229(Top 61%)6618(Top 54%)6618(Top 1061%)
40K24.85 mi0.85 mi20069+687697+167697+1618459(Top 65%)7367(Top 60%)7367(Top 1181%)
25.2M25.20 mi0.35 mi20028+417684+137684+1317336(Top 61%)6786(Top 55%)6786(Top 1088%)
Finish26.22 mi1.02 mi19931+977647+377647+3717011(Top 60%)6579(Top 54%)6579(Top 1054%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

21267

Females

8143

F60-64

8143

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

20714

Females

7869

F60-64

7869

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

21267

Females

8143

F60-64

8143

15K→20K

9.3 - 12.4 mi

Top 74%
×5stories
+106ft-86ft

Overall

20893

Females

7990

F60-64

7990

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

21015

Females

8048

F60-64

8048

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

20934

Females

8062

F60-64

8062

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

19951

Females

7638

F60-64

7638

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

19214

Females

7379

F60-64

7379

20M→21M

20.0 - 21.0 mi

Top 67%
×8stories
+106ft-24ft

Overall

19035

Females

7347

F60-64

7347

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

17307

Females

6542

F60-64

6542

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

18679

Females

7339

F60-64

7339

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

17229

Females

6618

F60-64

6618

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18459

Females

7367

F60-64

7367

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

17336

Females

6786

F60-64

6786

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2stories
+22ft-21ft

Overall

17011

Females

6579

F60-64

6579

Passing Analysis

Category:
Athletes Passed
2029
Passed By
1300
Net Change
+729
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20660
5K → 10K277276+1#20660#20659
10K → 15K131306-175#20659#20834
15K → 20K194187+7#20834#20827
20K → Half1738-21#20827#20848
Half → 25K137182-45#20848#20893
25K → 30K308112+196#20893#20697
30K → 20M17535+140#20697#20557
20M → 21M13142+89#20557#20468
21M → 35K1375+132#20468#20336
35K → 23M13144+87#20336#20249
23M → 24M12210+112#20249#20137
24M → 40K9224+68#20137#20069
40K → 25.2M5514+41#20069#20028
25.2M → Finish12225+97#20028#19931
TOTALS20291300+729
📊

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