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BOSTON MARATHON 2025

Kwihui David

Bib: 25013•F

VA

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
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:23
Rank: #21591
Start → 5K
27:23 | 8:49/mi
10K· 6.21 mi
54:55
Rank: #21656 (-65)
5K → 10K
27:32 | 8:52/mi
15K· 9.32 mi
1:22:44
Rank: #21695 (-39)
10K → 15K
27:49 | 8:57/mi
20K· 12.43 mi
1:51:26
Rank: #21788 (-93)
15K → 20K
28:42 | 9:14/mi
Half· 13.11 mi
1:57:36
Rank: #21789 (-1)
20K → Half
6:10 | 9:02/mi
25K· 15.53 mi
2:21:37
Rank: #22083 (-294)
Half → 25K
24:01 | 9:54/mi
30K· 18.64 mi
2:54:51
Rank: #22430 (-347)
25K → 30K
33:14 | 10:42/mi
20M
3:12:13
Rank: #22886 (-456)
30K → 20M
17:22 | 12:47/mi
21M
3:26:31
Rank: #23247 (-361)
20M → 21M
14:18 | 14:18/mi
35K· 21.75 mi
3:36:37
Rank: #23545 (-298)
21M → 35K
10:06 | 13:30/mi
23M
3:51:22
Rank: #23641 (-96)
35K → 23M
14:45 | 11:47/mi
24M
4:01:34
Rank: #23569 (+72)
23M → 24M
10:12 | 10:12/mi
40K· 24.85 mi
4:10:53
Rank: #23553 (+16)
24M → 40K
9:19 | 10:54/mi
25.2M
4:15:02
Rank: #23552 (+1)
40K → 25.2M
4:09 | 12:02/mi
Finish· 26.22 mi
4:25:18
Rank: #23526 (+26)
25.2M → Finish
10:16 | 10:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:36
Pace8:58 /mi
2nd Half
Distance13.11 mi
Time2:27:42
Pace11:16 /mi
📊Positive Split: 25.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:2827:238:4927:23
8:49
-
10K
6.21 mi11:55:0054:558:5027:32
8:52
+0:03
15K
9.32 mi12:22:491:22:448:5327:49
8:57
+0:05
20K
12.43 mi12:51:311:51:268:5828:42
9:14
+0:17
Half
13.11 mi12:57:411:57:368:586:10
9:02
-0:12
25K
15.53 mi13:21:422:21:379:0724:01
9:54
+0:52
30K
18.64 mi13:54:562:54:519:2333:14
10:42
+0:48
20M
20.00 mi14:12:183:12:139:3717:22
12:47
+2:05
21M
21.00 mi14:26:363:26:319:5014:18
14:18
+1:31
35K
21.75 mi14:36:423:36:379:5810:06
13:30
-0:48
23M
23.00 mi14:51:273:51:2210:0414:45
11:47
-1:43
24M
24.00 mi15:01:394:01:3410:0410:12
10:12
-1:35
40K
24.85 mi15:10:584:10:5310:069:19
10:54
+0:42
25.2M
25.20 mi15:15:074:15:0210:074:09
12:02
+1:08
Finish
26.22 mi15:25:234:25:1810:0810:16
10:04
-1:58

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

8:49 /mi

Average Pace

10:08 /mi

Slowest Pace

14:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:36

44% of race

Time at Steady Pace

1:27:02

33% of race

Time at Slower Pace

1:00:40

23% of race

Average Pace: 10:07 /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 mi11:27:2827:238:4927:23
8:49
#21591
10K
6.21 mi11:55:0054:558:5027:32
8:52
#21656
15K
9.32 mi12:22:491:22:448:5327:49
8:57
#21695
20K
12.43 mi12:51:311:51:268:5828:42
9:14
#21788
Half
13.11 mi12:57:411:57:368:586:10
9:02
#21789
25K
15.53 mi13:21:422:21:379:0724:01
9:54
#22083
30K
18.64 mi13:54:562:54:519:2333:14
10:42
#22430
20M
20.00 mi14:12:183:12:139:3717:22
12:47
#22886
21M
21.00 mi14:26:363:26:319:5014:18
14:18
#23247
35K
21.75 mi14:36:423:36:379:5810:06
13:30
#23545
23M
23.00 mi14:51:273:51:2210:0414:45
11:47
#23641
24M
24.00 mi15:01:394:01:3410:0410:12
10:12
#23569
40K
24.85 mi15:10:584:10:5310:069:19
10:54
#23553
25.2M
25.20 mi15:15:074:15:0210:074:09
12:02
#23552
Finish
26.22 mi15:25:234:25:1810:0810:16
10:04
#23526
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi215918403840321838(Top 77%)8461(Top 69%)8461(Top 1356%)
10K6.21 mi3.10 mi21656-658419-168419-1621717(Top 76%)8434(Top 69%)8434(Top 1352%)
15K9.32 mi3.11 mi21695-398429-108429-1021838(Top 77%)8461(Top 69%)8461(Top 1356%)
20K12.43 mi3.11 mi21788-938489-608489-6022044(Top 78%)8610(Top 70%)8610(Top 1380%)
Half13.11 mi0.68 mi21789-18486+38486+322031(Top 78%)8636(Top 71%)8636(Top 1384%)
25K15.53 mi2.42 mi22083-2948653-1678653-16723026(Top 81%)9207(Top 75%)9207(Top 1475%)
30K18.64 mi3.11 mi22430-3478873-2208873-22023392(Top 82%)9548(Top 78%)9548(Top 1530%)
20M20.00 mi1.36 mi22886-4569153-2809153-28026232(Top 92%)11131(Top 91%)11131(Top 1784%)
21M21.00 mi1.00 mi23247-3619359-2069359-20626537(Top 93%)11331(Top 93%)11331(Top 1816%)
35K21.75 mi0.75 mi23545-2989536-1779536-17727374(Top 96%)11783(Top 96%)11783(Top 1888%)
23M23.00 mi1.25 mi23641-969599-639599-6324734(Top 87%)10463(Top 86%)10463(Top 1677%)
24M24.00 mi1.00 mi23569+729586+139586+1321961(Top 77%)9117(Top 75%)9117(Top 1461%)
40K24.85 mi0.85 mi23553+169592-69592-622919(Top 81%)9657(Top 79%)9657(Top 1548%)
25.2M25.20 mi0.35 mi23552+19600-89600-823328(Top 82%)9825(Top 80%)9825(Top 1575%)
Finish26.22 mi1.02 mi23526+269600960023163(Top 82%)9750(Top 80%)9750(Top 1563%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

21838

Females

8461

F60-64

8461

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

21717

Females

8434

F60-64

8434

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

21838

Females

8461

F60-64

8461

15K→20K

9.3 - 12.4 mi

Top 78%
×5stories
+106ft-86ft

Overall

22044

Females

8610

F60-64

8610

20K→Half

12.4 - 13.1 mi

Top 78%
×2stories
+19ft-37ft

Overall

22031

Females

8636

F60-64

8636

Half→25K

13.1 - 15.5 mi

Top 81%
×4stories
+66ft-88ft

Overall

23026

Females

9207

F60-64

9207

25K→30K

15.5 - 18.6 mi

Top 82%
×9stories
+181ft-148ft

Overall

23392

Females

9548

F60-64

9548

30K→20M

18.6 - 20.0 mi

Top 92%
×5stories
+64ft-50ft

Overall

26232

Females

11131

F60-64

11131

20M→21M

20.0 - 21.0 mi

Top 93%
×8stories
+106ft-24ft

Overall

26537

Females

11331

F60-64

11331

21M→35K

21.0 - 21.8 mi

Top 96%
×7stories
+17ft-86ft

Overall

27374

Females

11783

F60-64

11783

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

24734

Females

10463

F60-64

10463

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

21961

Females

9117

F60-64

9117

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

22919

Females

9657

F60-64

9657

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

23328

Females

9825

F60-64

9825

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

23163

Females

9750

F60-64

9750

Passing Analysis

Category:
Athletes Passed
1087
Passed By
3022
Net Change
-1935
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21591
5K → 10K233298-65#21591#21656
10K → 15K192231-39#21656#21695
15K → 20K163256-93#21695#21788
20K → Half3031-1#21788#21789
Half → 25K66360-294#21789#22083
25K → 30K99446-347#22083#22430
30K → 20M17473-456#22430#22886
20M → 21M14375-361#22886#23247
21M → 35K6304-298#23247#23545
35K → 23M42138-96#23545#23641
23M → 24M9220+72#23641#23569
24M → 40K5034+16#23569#23553
40K → 25.2M2726+1#23553#23552
25.2M → Finish5630+26#23552#23526
TOTALS10873022-1935
📊

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