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BOSTON MARATHON 2025

Kimberly Davidson

Bib: 21728•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
26:50
Rank: #20695
Start → 5K
26:50 | 8:38/mi
10K· 6.21 mi
54:25
Rank: #21212 (-517)
5K → 10K
27:35 | 8:53/mi
15K· 9.32 mi
1:21:37
Rank: #21036 (+176)
10K → 15K
27:12 | 8:45/mi
20K· 12.43 mi
1:49:58
Rank: #21172 (-136)
15K → 20K
28:21 | 9:07/mi
Half· 13.11 mi
1:55:59
Rank: #21162 (+10)
20K → Half
6:01 | 8:49/mi
25K· 15.53 mi
2:19:42
Rank: #21518 (-356)
Half → 25K
23:43 | 9:47/mi
30K· 18.64 mi
2:49:10
Rank: #21216 (+302)
25K → 30K
29:28 | 9:29/mi
20M
3:03:02
Rank: #21249 (-33)
30K → 20M
13:52 | 10:12/mi
21M
3:13:25
Rank: #21174 (+75)
20M → 21M
10:23 | 10:23/mi
35K· 21.75 mi
3:20:35
Rank: #21134 (+40)
21M → 35K
7:10 | 9:35/mi
23M
3:33:15
Rank: #21106 (+28)
35K → 23M
12:40 | 10:07/mi
24M
3:43:11
Rank: #21121 (-15)
23M → 24M
9:56 | 9:56/mi
40K· 24.85 mi
3:51:37
Rank: #21081 (+40)
24M → 40K
8:26 | 9:52/mi
25.2M
3:55:13
Rank: #21038 (+43)
40K → 25.2M
3:36 | 10:26/mi
Finish· 26.22 mi
4:04:17
Rank: #20935 (+103)
25.2M → Finish
9:04 | 8:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:59
Pace8:51 /mi
2nd Half
Distance13.11 mi
Time2:08:18
Pace9:47 /mi
📊Positive Split: 10.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:5026:508:3826:50
8:38
-
10K
6.21 mi11:49:2554:258:4527:35
8:53
+0:15
15K
9.32 mi12:16:371:21:378:4527:12
8:45
-0:08
20K
12.43 mi12:44:581:49:588:5128:21
9:07
+0:22
Half
13.11 mi12:50:591:55:598:516:01
8:49
-0:18
25K
15.53 mi13:14:422:19:429:0023:43
9:47
+0:58
30K
18.64 mi13:44:102:49:109:0429:28
9:29
-0:18
20M
20.00 mi13:58:023:03:029:0913:52
10:12
+0:43
21M
21.00 mi14:08:253:13:259:1310:23
10:23
+0:11
35K
21.75 mi14:15:353:20:359:137:10
9:35
-0:48
23M
23.00 mi14:28:153:33:159:1612:40
10:07
+0:32
24M
24.00 mi14:38:113:43:119:189:56
9:56
-0:11
40K
24.85 mi14:46:373:51:379:198:26
9:52
-0:04
25.2M
25.20 mi14:50:133:55:139:203:36
10:26
+0:34
Finish
26.22 mi14:59:174:04:179:199:04
8:54
-1:32

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

8:38 /mi

Average Pace

9:19 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:03

51% of race

Time at Steady Pace

1:08:47

28% of race

Time at Slower Pace

50:27

21% of race

Average Pace: 9:19 /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 mi11:21:5026:508:3826:50
8:38
#20695
10K
6.21 mi11:49:2554:258:4527:35
8:53
#21212
15K
9.32 mi12:16:371:21:378:4527:12
8:45
#21036
20K
12.43 mi12:44:581:49:588:5128:21
9:07
#21172
Half
13.11 mi12:50:591:55:598:516:01
8:49
#21162
25K
15.53 mi13:14:422:19:429:0023:43
9:47
#21518
30K
18.64 mi13:44:102:49:109:0429:28
9:29
#21216
20M
20.00 mi13:58:023:03:029:0913:52
10:12
#21249
21M
21.00 mi14:08:253:13:259:1310:23
10:23
#21174
35K
21.75 mi14:15:353:20:359:137:10
9:35
#21134
23M
23.00 mi14:28:153:33:159:1612:40
10:07
#21106
24M
24.00 mi14:38:113:43:119:189:56
9:56
#21121
40K
24.85 mi14:46:373:51:379:198:26
9:52
#21081
25.2M
25.20 mi14:50:133:55:139:203:36
10:26
#21038
Finish
26.22 mi14:59:174:04:179:199:04
8:54
#20935
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi206957911791120796(Top 73%)7885(Top 64%)7885(Top 435%)
10K6.21 mi3.10 mi21212-5178166-2558166-25521809(Top 77%)8485(Top 69%)8485(Top 468%)
15K9.32 mi3.11 mi21036+1768061+1058061+10520796(Top 73%)7885(Top 64%)7885(Top 435%)
20K12.43 mi3.11 mi21172-1368124-638124-6321576(Top 76%)8356(Top 68%)8356(Top 461%)
Half13.11 mi0.68 mi21162+108118+68118+621036(Top 74%)8069(Top 66%)8069(Top 445%)
25K15.53 mi2.42 mi21518-3568333-2158333-21522722(Top 80%)9043(Top 74%)9043(Top 499%)
30K18.64 mi3.11 mi21216+3028198+1358198+13519884(Top 70%)7599(Top 62%)7599(Top 419%)
20M20.00 mi1.36 mi21249-338245-478245-4721591(Top 76%)8677(Top 71%)8677(Top 479%)
21M21.00 mi1.00 mi21174+758216+298216+2919664(Top 69%)7721(Top 63%)7721(Top 426%)
35K21.75 mi0.75 mi21134+408211+58211+520634(Top 73%)8316(Top 68%)8316(Top 459%)
23M23.00 mi1.25 mi21106+288218-78218-720878(Top 74%)8493(Top 69%)8493(Top 468%)
24M24.00 mi1.00 mi21121-158257-398257-3921181(Top 75%)8690(Top 71%)8690(Top 479%)
40K24.85 mi0.85 mi21081+408246+118246+1120013(Top 70%)8167(Top 67%)8167(Top 450%)
25.2M25.20 mi0.35 mi21038+438233+138233+1318858(Top 66%)7569(Top 62%)7569(Top 417%)
Finish26.22 mi1.02 mi20935+1038194+398194+3918549(Top 65%)7363(Top 60%)7363(Top 406%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

20796

Females

7885

F45-49

7885

5K→10K

3.1 - 6.2 mi

Top 77%
×5stories
+79ft-138ft

Overall

21809

Females

8485

F45-49

8485

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

20796

Females

7885

F45-49

7885

15K→20K

9.3 - 12.4 mi

Top 76%
×5stories
+106ft-86ft

Overall

21576

Females

8356

F45-49

8356

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

21036

Females

8069

F45-49

8069

Half→25K

13.1 - 15.5 mi

Top 80%
×4stories
+66ft-88ft

Overall

22722

Females

9043

F45-49

9043

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

19884

Females

7599

F45-49

7599

30K→20M

18.6 - 20.0 mi

Top 76%
×5stories
+64ft-50ft

Overall

21591

Females

8677

F45-49

8677

20M→21M

20.0 - 21.0 mi

Top 69%
×8stories
+106ft-24ft

Overall

19664

Females

7721

F45-49

7721

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

20634

Females

8316

F45-49

8316

35K→23M

21.8 - 23.0 mi

Top 74%
×5stories
+23ft-63ft

Overall

20878

Females

8493

F45-49

8493

23M→24M

23.0 - 24.0 mi

Top 75%
×6stories
+12ft-82ft

Overall

21181

Females

8690

F45-49

8690

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

20013

Females

8167

F45-49

8167

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18858

Females

7569

F45-49

7569

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

18549

Females

7363

F45-49

7363

Passing Analysis

Category:
Athletes Passed
1668
Passed By
1908
Net Change
-240
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20695
5K → 10K98615-517#20695#21212
10K → 15K281105+176#21212#21036
15K → 20K156292-136#21036#21172
20K → Half4232+10#21172#21162
Half → 25K56412-356#21162#21518
25K → 30K35654+302#21518#21216
30K → 20M90123-33#21216#21249
20M → 21M12550+75#21249#21174
21M → 35K7939+40#21174#21134
35K → 23M10274+28#21134#21106
23M → 24M5873-15#21106#21121
24M → 40K6626+40#21121#21081
40K → 25.2M518+43#21081#21038
25.2M → Finish1085+103#21038#20935
TOTALS16681908-240
📊

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