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BOSTON MARATHON 2025

Kerry Tozer

Bib: 30120•F

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
32:59
Rank: #26990
Start → 5K
32:59 | 10:37/mi
10K· 6.21 mi
1:07:02
Rank: #27002 (-12)
5K → 10K
34:03 | 10:58/mi
15K· 9.32 mi
1:41:48
Rank: #26967 (+35)
10K → 15K
34:46 | 11:11/mi
20K· 12.43 mi
2:17:13
Rank: #26836 (+131)
15K → 20K
35:25 | 11:24/mi
Half· 13.11 mi
2:24:34
Rank: #26805 (+31)
20K → Half
7:21 | 10:46/mi
25K· 15.53 mi
2:52:22
Rank: #26642 (+163)
Half → 25K
27:48 | 11:28/mi
30K· 18.64 mi
3:30:37
Rank: #26541 (+101)
25K → 30K
38:15 | 12:19/mi
20M
3:47:38
Rank: #26502 (+39)
30K → 20M
17:01 | 12:31/mi
21M
4:01:49
Rank: #26501 (+1)
20M → 21M
14:11 | 14:11/mi
35K· 21.75 mi
4:10:35
Rank: #26458 (+43)
21M → 35K
8:46 | 11:43/mi
23M
4:26:48
Rank: #26462 (-4)
35K → 23M
16:13 | 12:57/mi
24M
4:39:03
Rank: #26458 (+4)
23M → 24M
12:15 | 12:15/mi
40K· 24.85 mi
4:50:02
Rank: #26476 (-18)
24M → 40K
10:59 | 12:51/mi
25.2M
4:55:02
Rank: #26490 (-14)
40K → 25.2M
5:00 | 14:30/mi
Finish· 26.22 mi
5:07:43
Rank: #26539 (-49)
25.2M → Finish
12:41 | 12:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:24:34
Pace11:02 /mi
2nd Half
Distance13.11 mi
Time2:43:09
Pace12:27 /mi
📊Positive Split: 12.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:4832:5910:3732:59
10:37
-
10K
6.21 mi12:27:511:07:0210:4734:03
10:58
+0:21
15K
9.32 mi13:02:371:41:4810:5534:46
11:11
+0:13
20K
12.43 mi13:38:022:17:1311:0235:25
11:24
+0:13
Half
13.11 mi13:45:232:24:3411:027:21
10:46
-0:38
25K
15.53 mi14:13:112:52:2211:0627:48
11:28
+0:42
30K
18.64 mi14:51:263:30:3711:1838:15
12:19
+0:51
20M
20.00 mi15:08:273:47:3811:2317:01
12:31
+0:12
21M
21.00 mi15:22:384:01:4911:3114:11
14:11
+1:40
35K
21.75 mi15:31:244:10:3511:318:46
11:43
-2:28
23M
23.00 mi15:47:374:26:4811:3616:13
12:57
+1:14
24M
24.00 mi15:59:524:39:0311:3812:15
12:15
-0:42
40K
24.85 mi16:10:514:50:0211:4010:59
12:51
+0:36
25.2M
25.20 mi16:15:514:55:0211:425:00
14:30
+1:39
Finish
26.22 mi16:28:325:07:4311:4512:41
12:27
-2:03

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

10:37 /mi

Average Pace

11:45 /mi

Slowest Pace

14:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:22

56% of race

Time at Steady Pace

1:28:58

29% of race

Time at Slower Pace

46:23

15% of race

Average Pace: 11:44 /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 mi11:53:4832:5910:3732:59
10:37
#26990
10K
6.21 mi12:27:511:07:0210:4734:03
10:58
#27002
15K
9.32 mi13:02:371:41:4810:5534:46
11:11
#26967
20K
12.43 mi13:38:022:17:1311:0235:25
11:24
#26836
Half
13.11 mi13:45:232:24:3411:027:21
10:46
#26805
25K
15.53 mi14:13:112:52:2211:0627:48
11:28
#26642
30K
18.64 mi14:51:263:30:3711:1838:15
12:19
#26541
20M
20.00 mi15:08:273:47:3811:2317:01
12:31
#26502
21M
21.00 mi15:22:384:01:4911:3114:11
14:11
#26501
35K
21.75 mi15:31:244:10:3511:318:46
11:43
#26458
23M
23.00 mi15:47:374:26:4811:3616:13
12:57
#26462
24M
24.00 mi15:59:524:39:0311:3812:15
12:15
#26458
40K
24.85 mi16:10:514:50:0211:4010:59
12:51
#26476
25.2M
25.20 mi16:15:514:55:0211:425:00
14:30
#26490
Finish
26.22 mi16:28:325:07:4311:4512:41
12:27
#26539
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi26990113231132326907(Top 95%)11323(Top 93%)11323(Top 1815%)
10K6.21 mi3.10 mi27002-1211346-2311346-2327009(Top 95%)11378(Top 93%)11378(Top 1823%)
15K9.32 mi3.11 mi26967+3511339+711339+726907(Top 95%)11323(Top 93%)11323(Top 1815%)
20K12.43 mi3.11 mi26836+13111263+7611263+7626509(Top 93%)11100(Top 91%)11100(Top 1779%)
Half13.11 mi0.68 mi26805+3111248+1511248+1526194(Top 92%)10936(Top 89%)10936(Top 1753%)
25K15.53 mi2.42 mi26642+16311166+8211166+8225810(Top 91%)10758(Top 88%)10758(Top 1724%)
30K18.64 mi3.11 mi26541+10111128+3811128+3825946(Top 91%)10915(Top 89%)10915(Top 1749%)
20M20.00 mi1.36 mi26502+3911118+1011118+1025927(Top 91%)10976(Top 90%)10976(Top 1759%)
21M21.00 mi1.00 mi26501+111126-811126-826402(Top 93%)11264(Top 92%)11264(Top 1805%)
35K21.75 mi0.75 mi26458+4311111+1511111+1525422(Top 90%)10811(Top 88%)10811(Top 1733%)
23M23.00 mi1.25 mi26462-411121-1011121-1026313(Top 93%)11256(Top 92%)11256(Top 1804%)
24M24.00 mi1.00 mi26458+411126-511126-525979(Top 91%)11124(Top 91%)11124(Top 1783%)
40K24.85 mi0.85 mi26476-1811142-1611142-1626123(Top 92%)11201(Top 92%)11201(Top 1795%)
25.2M25.20 mi0.35 mi26490-1411154-1211154-1226726(Top 94%)11531(Top 94%)11531(Top 1848%)
Finish26.22 mi1.02 mi26539-4911190-3611190-3627242(Top 96%)11740(Top 96%)11740(Top 1881%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21stories
+97ft-345ft

Overall

26907

Females

11323

F60-64

11323

5K→10K

3.1 - 6.2 mi

Top 95%
×5stories
+79ft-138ft

Overall

27009

Females

11378

F60-64

11378

10K→15K

6.2 - 9.3 mi

Top 95%
×3stories
+67ft-78ft

Overall

26907

Females

11323

F60-64

11323

15K→20K

9.3 - 12.4 mi

Top 93%
×5stories
+106ft-86ft

Overall

26509

Females

11100

F60-64

11100

20K→Half

12.4 - 13.1 mi

Top 92%
×2stories
+19ft-37ft

Overall

26194

Females

10936

F60-64

10936

Half→25K

13.1 - 15.5 mi

Top 91%
×4stories
+66ft-88ft

Overall

25810

Females

10758

F60-64

10758

25K→30K

15.5 - 18.6 mi

Top 91%
×9stories
+181ft-148ft

Overall

25946

Females

10915

F60-64

10915

30K→20M

18.6 - 20.0 mi

Top 91%
×5stories
+64ft-50ft

Overall

25927

Females

10976

F60-64

10976

20M→21M

20.0 - 21.0 mi

Top 93%
×8stories
+106ft-24ft

Overall

26402

Females

11264

F60-64

11264

21M→35K

21.0 - 21.8 mi

Top 90%
×7stories
+17ft-86ft

Overall

25422

Females

10811

F60-64

10811

35K→23M

21.8 - 23.0 mi

Top 93%
×5stories
+23ft-63ft

Overall

26313

Females

11256

F60-64

11256

23M→24M

23.0 - 24.0 mi

Top 91%
×6stories
+12ft-82ft

Overall

25979

Females

11124

F60-64

11124

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

26123

Females

11201

F60-64

11201

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

26726

Females

11531

F60-64

11531

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2stories
+22ft-21ft

Overall

27242

Females

11740

F60-64

11740

Passing Analysis

Category:
Athletes Passed
1052
Passed By
601
Net Change
+451
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26990
5K → 10K150162-12#26990#27002
10K → 15K12893+35#27002#26967
15K → 20K17443+131#26967#26836
20K → Half354+31#26836#26805
Half → 25K17613+163#26805#26642
25K → 30K14039+101#26642#26541
30K → 20M6627+39#26541#26502
20M → 21M3837+1#26502#26501
21M → 35K485+43#26501#26458
35K → 23M3337-4#26458#26462
23M → 24M2622+4#26462#26458
24M → 40K1836-18#26458#26476
40K → 25.2M923-14#26476#26490
25.2M → Finish1160-49#26490#26539
TOTALS1052601+451
📊

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