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BOSTON MARATHON 2025

Whitney Alexander

Bib: 13682•F

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 45%
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
23:53
Rank: #13890
Start → 5K
23:53 | 7:41/mi
10K· 6.21 mi
48:02
Rank: #14162 (-272)
5K → 10K
24:09 | 7:46/mi
15K· 9.32 mi
1:12:28
Rank: #14421 (-259)
10K → 15K
24:26 | 7:52/mi
20K· 12.43 mi
1:37:46
Rank: #14819 (-398)
15K → 20K
25:18 | 8:09/mi
Half· 13.11 mi
1:43:13
Rank: #14869 (-50)
20K → Half
5:27 | 7:59/mi
25K· 15.53 mi
2:03:24
Rank: #15117 (-248)
Half → 25K
20:11 | 8:19/mi
30K· 18.64 mi
2:30:42
Rank: #15396 (-279)
25K → 30K
27:18 | 8:47/mi
20M
2:43:08
Rank: #15531 (-135)
30K → 20M
12:26 | 9:09/mi
21M
2:52:52
Rank: #15635 (-104)
20M → 21M
9:44 | 9:44/mi
35K· 21.75 mi
2:59:25
Rank: #15649 (-14)
21M → 35K
6:33 | 8:45/mi
23M
3:10:51
Rank: #15696 (-47)
35K → 23M
11:26 | 9:08/mi
24M
3:20:04
Rank: #15812 (-116)
23M → 24M
9:13 | 9:13/mi
40K· 24.85 mi
3:28:18
Rank: #15952 (-140)
24M → 40K
8:14 | 9:38/mi
25.2M
3:31:50
Rank: #15989 (-37)
40K → 25.2M
3:32 | 10:15/mi
Finish· 26.22 mi
3:41:21
Rank: #16216 (-227)
25.2M → Finish
9:31 | 9:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:13
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time1:58:08
Pace9:01 /mi
📊Positive Split: 14.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1423:537:4123:53
7:41
-
10K
6.21 mi11:17:2348:027:4424:09
7:46
+0:05
15K
9.32 mi11:41:491:12:287:4624:26
7:52
+0:06
20K
12.43 mi12:07:071:37:467:5225:18
8:09
+0:17
Half
13.11 mi12:12:341:43:137:525:27
7:59
-0:10
25K
15.53 mi12:32:452:03:247:5720:11
8:19
+0:20
30K
18.64 mi13:00:032:30:428:0527:18
8:47
+0:28
20M
20.00 mi13:12:292:43:088:0912:26
9:09
+0:22
21M
21.00 mi13:22:132:52:528:149:44
9:44
+0:35
35K
21.75 mi13:28:462:59:258:156:33
8:45
-0:59
23M
23.00 mi13:40:123:10:518:1811:26
9:08
+0:23
24M
24.00 mi13:49:253:20:048:209:13
9:13
+0:05
40K
24.85 mi13:57:393:28:188:238:14
9:38
+0:25
25.2M
25.20 mi14:01:113:31:508:243:32
10:15
+0:37
Finish
26.22 mi14:10:423:41:218:279:31
9:20
-0:55

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

7:41 /mi

Average Pace

8:27 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:24

56% of race

Time at Steady Pace

57:43

26% of race

Time at Slower Pace

40:14

18% of race

Average Pace: 8:27 /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 mi10:53:1423:537:4123:53
7:41
#13890
10K
6.21 mi11:17:2348:027:4424:09
7:46
#14162
15K
9.32 mi11:41:491:12:287:4624:26
7:52
#14421
20K
12.43 mi12:07:071:37:467:5225:18
8:09
#14819
Half
13.11 mi12:12:341:43:137:525:27
7:59
#14869
25K
15.53 mi12:32:452:03:247:5720:11
8:19
#15117
30K
18.64 mi13:00:032:30:428:0527:18
8:47
#15396
20M
20.00 mi13:12:292:43:088:0912:26
9:09
#15531
21M
21.00 mi13:22:132:52:528:149:44
9:44
#15635
35K
21.75 mi13:28:462:59:258:156:33
8:45
#15649
23M
23.00 mi13:40:123:10:518:1811:26
9:08
#15696
24M
24.00 mi13:49:253:20:048:209:13
9:13
#15812
40K
24.85 mi13:57:393:28:188:238:14
9:38
#15952
25.2M
25.20 mi14:01:113:31:508:243:32
10:15
#15989
Finish
26.22 mi14:10:423:41:218:279:31
9:20
#16216
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi138903836383614968(Top 53%)4565(Top 37%)4565(Top 83%)
10K6.21 mi3.10 mi14162-2724038-2024038-20214589(Top 51%)4313(Top 35%)4313(Top 79%)
15K9.32 mi3.11 mi14421-2594214-1764214-17614968(Top 53%)4565(Top 37%)4565(Top 83%)
20K12.43 mi3.11 mi14819-3984481-2674481-26715951(Top 56%)5187(Top 42%)5187(Top 95%)
Half13.11 mi0.68 mi14869-504519-384519-3815880(Top 56%)5115(Top 42%)5115(Top 94%)
25K15.53 mi2.42 mi15117-2484671-1524671-15216090(Top 57%)5362(Top 44%)5362(Top 98%)
30K18.64 mi3.11 mi15396-2794889-2184889-21816524(Top 58%)5752(Top 47%)5752(Top 105%)
20M20.00 mi1.36 mi15531-1354989-1004989-10017533(Top 62%)6430(Top 53%)6430(Top 118%)
21M21.00 mi1.00 mi15635-1045096-1075096-10717192(Top 61%)6364(Top 52%)6364(Top 116%)
35K21.75 mi0.75 mi15649-145123-275123-2717038(Top 60%)6359(Top 52%)6359(Top 116%)
23M23.00 mi1.25 mi15696-475190-675190-6717015(Top 60%)6458(Top 53%)6458(Top 118%)
24M24.00 mi1.00 mi15812-1165274-845274-8418432(Top 65%)7261(Top 59%)7261(Top 133%)
40K24.85 mi0.85 mi15952-1405377-1035377-10319208(Top 68%)7728(Top 63%)7728(Top 141%)
25.2M25.20 mi0.35 mi15989-375414-375414-3718098(Top 64%)7173(Top 59%)7173(Top 131%)
Finish26.22 mi1.02 mi16216-2275550-1365550-13620542(Top 72%)8409(Top 69%)8409(Top 154%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

14968

Females

4565

F18-39

4565

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

14589

Females

4313

F18-39

4313

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

14968

Females

4565

F18-39

4565

15K→20K

9.3 - 12.4 mi

Top 56%
×5stories
+106ft-86ft

Overall

15951

Females

5187

F18-39

5187

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

15880

Females

5115

F18-39

5115

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

16090

Females

5362

F18-39

5362

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

16524

Females

5752

F18-39

5752

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

17533

Females

6430

F18-39

6430

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

17192

Females

6364

F18-39

6364

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

17038

Females

6359

F18-39

6359

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

17015

Females

6458

F18-39

6458

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

18432

Females

7261

F18-39

7261

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

19208

Females

7728

F18-39

7728

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18098

Females

7173

F18-39

7173

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2stories
+22ft-21ft

Overall

20542

Females

8409

F18-39

8409

Passing Analysis

Category:
Athletes Passed
1122
Passed By
3448
Net Change
-2326
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13890
5K → 10K158430-272#13890#14162
10K → 15K127386-259#14162#14421
15K → 20K113511-398#14421#14819
20K → Half1868-50#14819#14869
Half → 25K111359-248#14869#15117
25K → 30K166445-279#15117#15396
30K → 20M83218-135#15396#15531
20M → 21M84188-104#15531#15635
21M → 35K5468-14#15635#15649
35K → 23M89136-47#15649#15696
23M → 24M38154-116#15696#15812
24M → 40K41181-140#15812#15952
40K → 25.2M2057-37#15952#15989
25.2M → Finish20247-227#15989#16216
TOTALS11223448-2326
📊

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