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BOSTON MARATHON 2023

Kate Matheson

Bib: 20933•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:04
Rank: #16826
Start → 5K
26:04 | 8:23/mi
10K· 6.21 mi
52:24
Rank: #17433 (-607)
5K → 10K
26:20 | 8:29/mi
15K· 9.32 mi
1:18:45
Rank: #17514 (-81)
10K → 15K
26:21 | 8:29/mi
20K· 12.43 mi
1:45:33
Rank: #17514
15K → 20K
26:48 | 8:38/mi
Half· 13.11 mi
1:51:28
Rank: #17587 (-73)
20K → Half
5:55 | 8:40/mi
25K· 15.53 mi
2:12:54
Rank: #17658 (-71)
Half → 25K
21:26 | 8:50/mi
30K· 18.64 mi
2:41:33
Rank: #17757 (-99)
25K → 30K
28:39 | 9:13/mi
20M
2:54:23
Rank: #17838 (-81)
30K → 20M
12:50 | 9:27/mi
21M
3:05:40
Rank: #18235 (-397)
20M → 21M
11:17 | 11:17/mi
35K· 21.75 mi
3:12:32
Rank: #18242 (-7)
21M → 35K
6:52 | 9:11/mi
23M
3:24:17
Rank: #18217 (+25)
35K → 23M
11:45 | 9:23/mi
24M
3:34:15
Rank: #18388 (-171)
23M → 24M
9:58 | 9:58/mi
40K· 24.85 mi
3:42:38
Rank: #18436 (-48)
24M → 40K
8:23 | 9:48/mi
25.2M
3:46:20
Rank: #18473 (-37)
40K → 25.2M
3:42 | 10:44/mi
Finish· 26.22 mi
3:55:39
Rank: #18491 (-18)
25.2M → Finish
9:19 | 9:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:28
Pace8:30 /mi
2nd Half
Distance13.11 mi
Time2:04:11
Pace9:28 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:3926:048:2326:04
8:23
-
10K
6.21 mi11:45:5952:248:2626:20
8:29
+0:06
15K
9.32 mi12:12:201:18:458:2726:21
8:29
0:00
20K
12.43 mi12:39:081:45:338:3026:48
8:38
+0:09
Half
13.11 mi12:45:031:51:288:305:55
8:40
+0:02
25K
15.53 mi13:06:292:12:548:3321:26
8:50
+0:10
30K
18.64 mi13:35:082:41:338:4028:39
9:13
+0:23
20M
20.00 mi13:47:582:54:238:4312:50
9:27
+0:14
21M
21.00 mi13:59:153:05:408:5011:17
11:17
+1:50
35K
21.75 mi14:06:073:12:328:516:52
9:11
-2:06
23M
23.00 mi14:17:523:24:178:5311:45
9:23
+0:12
24M
24.00 mi14:27:503:34:158:569:58
9:58
+0:35
40K
24.85 mi14:36:133:42:388:578:23
9:48
-0:10
25.2M
25.20 mi14:39:553:46:208:593:42
10:44
+0:56
Finish
26.22 mi14:49:143:55:399:009:19
9:09
-1:35

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

8:23 /mi

Average Pace

9:00 /mi

Slowest Pace

11:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:28

47% of race

Time at Steady Pace

1:30:51

39% of race

Time at Slower Pace

33:20

14% of race

Average Pace: 8:59 /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 mi11:19:3926:048:2326:04
8:23
#16826
10K
6.21 mi11:45:5952:248:2626:20
8:29
#17433
15K
9.32 mi12:12:201:18:458:2726:21
8:29
#17514
20K
12.43 mi12:39:081:45:338:3026:48
8:38
#17514
Half
13.11 mi12:45:031:51:288:305:55
8:40
#17587
25K
15.53 mi13:06:292:12:548:3321:26
8:50
#17658
30K
18.64 mi13:35:082:41:338:4028:39
9:13
#17757
20M
20.00 mi13:47:582:54:238:4312:50
9:27
#17838
21M
21.00 mi13:59:153:05:408:5011:17
11:17
#18235
35K
21.75 mi14:06:073:12:328:516:52
9:11
#18242
23M
23.00 mi14:17:523:24:178:5311:45
9:23
#18217
24M
24.00 mi14:27:503:34:158:569:58
9:58
#18388
40K
24.85 mi14:36:133:42:388:578:23
9:48
#18436
25.2M
25.20 mi14:39:553:46:208:593:42
10:44
#18473
Finish
26.22 mi14:49:143:55:399:009:19
9:09
#18491
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi168265816581617698(Top 66%)6333(Top 55%)6333(Top 349%)
10K6.21 mi3.10 mi17433-6076186-3706186-37018116(Top 68%)6545(Top 57%)6545(Top 360%)
15K9.32 mi3.11 mi17514-816222-366222-3617698(Top 66%)6333(Top 55%)6333(Top 349%)
20K12.43 mi3.11 mi175146226-46226-417666(Top 66%)6328(Top 55%)6328(Top 348%)
Half13.11 mi0.68 mi17587-736276-506276-5018822(Top 71%)6979(Top 61%)6979(Top 384%)
25K15.53 mi2.42 mi17658-716330-546330-5418189(Top 68%)6661(Top 58%)6661(Top 367%)
30K18.64 mi3.11 mi17757-996410-806410-8018268(Top 69%)6801(Top 60%)6801(Top 374%)
20M20.00 mi1.36 mi17838-816483-736483-7318648(Top 70%)7106(Top 62%)7106(Top 391%)
21M21.00 mi1.00 mi18235-3976740-2576740-25721446(Top 81%)8704(Top 76%)8704(Top 479%)
35K21.75 mi0.75 mi18242-76748-86748-818671(Top 70%)7201(Top 63%)7201(Top 396%)
23M23.00 mi1.25 mi18217+256736+126736+1217896(Top 67%)6807(Top 60%)6807(Top 375%)
24M24.00 mi1.00 mi18388-1716850-1146850-11420709(Top 78%)8389(Top 73%)8389(Top 462%)
40K24.85 mi0.85 mi18436-486886-366886-3619409(Top 73%)7716(Top 68%)7716(Top 425%)
25.2M25.20 mi0.35 mi18473-376911-256911-2519805(Top 74%)7946(Top 70%)7946(Top 437%)
Finish26.22 mi1.02 mi18491-186928-176928-1718669(Top 70%)7262(Top 64%)7262(Top 400%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21stories
+97ft-345ft

Overall

17698

Females

6333

F45-49

6333

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

18116

Females

6545

F45-49

6545

10K→15K

6.2 - 9.3 mi

Top 66%
×3stories
+67ft-78ft

Overall

17698

Females

6333

F45-49

6333

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

17666

Females

6328

F45-49

6328

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

18822

Females

6979

F45-49

6979

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

18189

Females

6661

F45-49

6661

25K→30K

15.5 - 18.6 mi

Top 69%
×9stories
+181ft-148ft

Overall

18268

Females

6801

F45-49

6801

30K→20M

18.6 - 20.0 mi

Top 70%
×5stories
+64ft-50ft

Overall

18648

Females

7106

F45-49

7106

20M→21M

20.0 - 21.0 mi

Top 81%
×8stories
+106ft-24ft

Overall

21446

Females

8704

F45-49

8704

21M→35K

21.0 - 21.8 mi

Top 70%
×7stories
+17ft-86ft

Overall

18671

Females

7201

F45-49

7201

35K→23M

21.8 - 23.0 mi

Top 67%
×5stories
+23ft-63ft

Overall

17896

Females

6807

F45-49

6807

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

20709

Females

8389

F45-49

8389

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

19409

Females

7716

F45-49

7716

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19805

Females

7946

F45-49

7946

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

18669

Females

7262

F45-49

7262

Passing Analysis

Category:
Athletes Passed
1041
Passed By
2706
Net Change
-1665
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16826
5K → 10K112719-607#16826#17433
10K → 15K158239-81#17433#17514
15K → 20K1771770#17514#17514
20K → Half1891-73#17514#17587
Half → 25K93164-71#17587#17658
25K → 30K148247-99#17658#17757
30K → 20M69150-81#17757#17838
20M → 21M18415-397#17838#18235
21M → 35K4956-7#18235#18242
35K → 23M8863+25#18242#18217
23M → 24M19190-171#18217#18388
24M → 40K3583-48#18388#18436
40K → 25.2M1451-37#18436#18473
25.2M → Finish4361-18#18473#18491
TOTALS10412706-1665
📊

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