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BOSTON MARATHON 2025

Kathleen Sanders

Bib: 25402•F

PA

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 42%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:04
Rank: #21070
Start → 5K
27:04 | 8:43/mi
10K· 6.21 mi
53:54
Rank: #20778 (+292)
5K → 10K
26:50 | 8:38/mi
15K· 9.32 mi
1:20:51
Rank: #20612 (+166)
10K → 15K
26:57 | 8:40/mi
20K· 12.43 mi
1:49:06
Rank: #20812 (-200)
15K → 20K
28:15 | 9:06/mi
Half· 13.11 mi
1:55:01
Rank: #20796 (+16)
20K → Half
5:55 | 8:40/mi
25K· 15.53 mi
2:18:42
Rank: #21251 (-455)
Half → 25K
23:41 | 9:46/mi
30K· 18.64 mi
2:50:38
Rank: #21566 (-315)
25K → 30K
31:56 | 10:17/mi
20M
3:05:57
Rank: #21864 (-298)
30K → 20M
15:19 | 11:16/mi
21M
3:18:22
Rank: #22064 (-200)
20M → 21M
12:25 | 12:25/mi
35K· 21.75 mi
3:25:43
Rank: #22034 (+30)
21M → 35K
7:21 | 9:49/mi
23M
3:37:39
Rank: #21832 (+202)
35K → 23M
11:56 | 9:32/mi
24M
3:47:30
Rank: #21793 (+39)
23M → 24M
9:51 | 9:51/mi
40K· 24.85 mi
3:57:42
Rank: #21942 (-149)
24M → 40K
10:12 | 11:56/mi
25.2M
4:01:31
Rank: #21927 (+15)
40K → 25.2M
3:49 | 11:04/mi
Finish· 26.22 mi
4:10:44
Rank: #21824 (+103)
25.2M → Finish
9:13 | 9:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:01
Pace8:46 /mi
2nd Half
Distance13.11 mi
Time2:15:43
Pace10:21 /mi
📊Positive Split: 18.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:3627:048:4327:04
8:43
-
10K
6.21 mi11:54:2653:548:4026:50
8:38
-0:05
15K
9.32 mi12:21:231:20:518:4026:57
8:40
+0:02
20K
12.43 mi12:49:381:49:068:4728:15
9:06
+0:26
Half
13.11 mi12:55:331:55:018:465:55
8:40
-0:26
25K
15.53 mi13:19:142:18:428:5623:41
9:46
+1:06
30K
18.64 mi13:51:102:50:389:0931:56
10:17
+0:31
20M
20.00 mi14:06:293:05:579:1815:19
11:16
+0:59
21M
21.00 mi14:18:543:18:229:2712:25
12:25
+1:09
35K
21.75 mi14:26:153:25:439:287:21
9:49
-2:36
23M
23.00 mi14:38:113:37:399:2811:56
9:32
-0:17
24M
24.00 mi14:48:023:47:309:299:51
9:51
+0:19
40K
24.85 mi14:58:143:57:429:3410:12
11:56
+2:05
25.2M
25.20 mi15:02:034:01:319:353:49
11:04
-0:52
Finish
26.22 mi15:11:164:10:449:349:13
9:03
-2:01

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

9:34 /mi

Slowest Pace

12:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:14

50% of race

Time at Steady Pace

1:24:45

34% of race

Time at Slower Pace

41:45

17% of race

Average Pace: 9:34 /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 mi11:27:3627:048:4327:04
8:43
#21070
10K
6.21 mi11:54:2653:548:4026:50
8:38
#20778
15K
9.32 mi12:21:231:20:518:4026:57
8:40
#20612
20K
12.43 mi12:49:381:49:068:4728:15
9:06
#20812
Half
13.11 mi12:55:331:55:018:465:55
8:40
#20796
25K
15.53 mi13:19:142:18:428:5623:41
9:46
#21251
30K
18.64 mi13:51:102:50:389:0931:56
10:17
#21566
20M
20.00 mi14:06:293:05:579:1815:19
11:16
#21864
21M
21.00 mi14:18:543:18:229:2712:25
12:25
#22064
35K
21.75 mi14:26:153:25:439:287:21
9:49
#22034
23M
23.00 mi14:38:113:37:399:2811:56
9:32
#21832
24M
24.00 mi14:48:023:47:309:299:51
9:51
#21793
40K
24.85 mi14:58:143:57:429:3410:12
11:56
#21942
25.2M
25.20 mi15:02:034:01:319:353:49
11:04
#21927
Finish
26.22 mi15:11:164:10:449:349:13
9:03
#21824
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi210708121812120344(Top 72%)7627(Top 62%)7627(Top 1222%)
10K6.21 mi3.10 mi20778+2927929+1927929+19220553(Top 72%)7776(Top 64%)7776(Top 1246%)
15K9.32 mi3.11 mi20612+1667818+1117818+11120344(Top 72%)7627(Top 62%)7627(Top 1222%)
20K12.43 mi3.11 mi20812-2007932-1147932-11421420(Top 75%)8275(Top 68%)8275(Top 1326%)
Half13.11 mi0.68 mi20796+167922+107922+1020271(Top 71%)7644(Top 63%)7644(Top 1225%)
25K15.53 mi2.42 mi21251-4558181-2598181-25922696(Top 80%)9029(Top 74%)9029(Top 1447%)
30K18.64 mi3.11 mi21566-3158383-2028383-20222386(Top 79%)8989(Top 74%)8989(Top 1441%)
20M20.00 mi1.36 mi21864-2988560-1778560-17724141(Top 85%)10028(Top 82%)10028(Top 1607%)
21M21.00 mi1.00 mi22064-2008701-1418701-14124284(Top 85%)10170(Top 83%)10170(Top 1630%)
35K21.75 mi0.75 mi22034+308695+68695+621413(Top 75%)8728(Top 71%)8728(Top 1399%)
23M23.00 mi1.25 mi21832+2028626+698626+6918866(Top 66%)7445(Top 61%)7445(Top 1193%)
24M24.00 mi1.00 mi21793+398627-18627-120916(Top 74%)8566(Top 70%)8566(Top 1373%)
40K24.85 mi0.85 mi21942-1498724-978724-9724816(Top 87%)10584(Top 87%)10584(Top 1696%)
25.2M25.20 mi0.35 mi21927+158725-18725-120891(Top 74%)8605(Top 70%)8605(Top 1379%)
Finish26.22 mi1.02 mi21824+1038686+398686+3919290(Top 68%)7767(Top 64%)7767(Top 1245%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21stories
+97ft-345ft

Overall

20344

Females

7627

F60-64

7627

5K→10K

3.1 - 6.2 mi

Top 72%
×5stories
+79ft-138ft

Overall

20553

Females

7776

F60-64

7776

10K→15K

6.2 - 9.3 mi

Top 72%
×3stories
+67ft-78ft

Overall

20344

Females

7627

F60-64

7627

15K→20K

9.3 - 12.4 mi

Top 75%
×5stories
+106ft-86ft

Overall

21420

Females

8275

F60-64

8275

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

20271

Females

7644

F60-64

7644

Half→25K

13.1 - 15.5 mi

Top 80%
×4stories
+66ft-88ft

Overall

22696

Females

9029

F60-64

9029

25K→30K

15.5 - 18.6 mi

Top 79%
×9stories
+181ft-148ft

Overall

22386

Females

8989

F60-64

8989

30K→20M

18.6 - 20.0 mi

Top 85%
×5stories
+64ft-50ft

Overall

24141

Females

10028

F60-64

10028

20M→21M

20.0 - 21.0 mi

Top 85%
×8stories
+106ft-24ft

Overall

24284

Females

10170

F60-64

10170

21M→35K

21.0 - 21.8 mi

Top 75%
×7stories
+17ft-86ft

Overall

21413

Females

8728

F60-64

8728

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

18866

Females

7445

F60-64

7445

23M→24M

23.0 - 24.0 mi

Top 74%
×6stories
+12ft-82ft

Overall

20916

Females

8566

F60-64

8566

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

24816

Females

10584

F60-64

10584

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

20891

Females

8605

F60-64

8605

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2stories
+22ft-21ft

Overall

19290

Females

7767

F60-64

7767

Passing Analysis

Category:
Athletes Passed
1626
Passed By
2380
Net Change
-754
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21070
5K → 10K466174+292#21070#20778
10K → 15K281115+166#20778#20612
15K → 20K124324-200#20612#20812
20K → Half3115+16#20812#20796
Half → 25K62517-455#20796#21251
25K → 30K116431-315#21251#21566
30K → 20M27325-298#21566#21864
20M → 21M30230-200#21864#22064
21M → 35K5626+30#22064#22034
35K → 23M2097+202#22034#21832
23M → 24M6728+39#21832#21793
24M → 40K14163-149#21793#21942
40K → 25.2M3116+15#21942#21927
25.2M → Finish1129+103#21927#21824
TOTALS16262380-754
📊

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