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BOSTON MARATHON 2023

Erin Mathews

Bib: 26532•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
34:35
Rank: #25857
Start → 5K
34:35 | 11:08/mi
10K· 6.21 mi
1:10:30
Rank: #25970 (-113)
5K → 10K
35:55 | 11:34/mi
15K· 9.32 mi
1:47:38
Rank: #26014 (-44)
10K → 15K
37:08 | 11:57/mi
20K· 12.43 mi
2:26:02
Rank: #25993 (+21)
15K → 20K
38:24 | 12:22/mi
Half· 13.11 mi
2:34:26
Rank: #26007 (-14)
20K → Half
8:24 | 12:19/mi
25K· 15.53 mi
3:06:10
Rank: #25996 (+11)
Half → 25K
31:44 | 13:05/mi
30K· 18.64 mi
3:47:57
Rank: #25970 (+26)
25K → 30K
41:47 | 13:27/mi
20M
4:05:41
Rank: #25929 (+41)
30K → 20M
17:44 | 13:03/mi
21M
4:20:17
Rank: #25905 (+24)
20M → 21M
14:36 | 14:36/mi
35K· 21.75 mi
4:29:44
Rank: #25889 (+16)
21M → 35K
9:27 | 12:38/mi
23M
4:46:21
Rank: #25874 (+15)
35K → 23M
16:37 | 13:16/mi
24M
4:59:06
Rank: #25852 (+22)
23M → 24M
12:45 | 12:45/mi
40K· 24.85 mi
5:10:29
Rank: #25840 (+12)
24M → 40K
11:23 | 13:19/mi
25.2M
5:15:34
Rank: #25841 (-1)
40K → 25.2M
5:05 | 14:44/mi
Finish· 26.22 mi
5:27:14
Rank: #25807 (+34)
25.2M → Finish
11:40 | 11:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:34:26
Pace11:47 /mi
2nd Half
Distance13.11 mi
Time2:52:48
Pace13:11 /mi
📊Positive Split: 11.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2734:3511:0834:35
11:08
-
10K
6.21 mi12:27:221:10:3011:2135:55
11:34
+0:26
15K
9.32 mi13:04:301:47:3811:3337:08
11:57
+0:23
20K
12.43 mi13:42:542:26:0211:4538:24
12:22
+0:25
Half
13.11 mi13:51:182:34:2611:478:24
12:19
-0:03
25K
15.53 mi14:23:023:06:1011:5931:44
13:05
+0:46
30K
18.64 mi15:04:493:47:5712:1441:47
13:27
+0:22
20M
20.00 mi15:22:334:05:4112:1717:44
13:03
-0:24
21M
21.00 mi15:37:094:20:1712:2414:36
14:36
+1:33
35K
21.75 mi15:46:364:29:4412:249:27
12:38
-1:58
23M
23.00 mi16:03:134:46:2112:2716:37
13:16
+0:38
24M
24.00 mi16:15:584:59:0612:2812:45
12:45
-0:31
40K
24.85 mi16:27:215:10:2912:3011:23
13:19
+0:34
25.2M
25.20 mi16:32:265:15:3412:315:05
14:44
+1:25
Finish
26.22 mi16:44:065:27:1412:2911:40
11:27
-3:17

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

11:08 /mi

Average Pace

12:29 /mi

Slowest Pace

14:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:18

36% of race

Time at Steady Pace

1:58:28

36% of race

Time at Slower Pace

1:29:28

27% of race

Average Pace: 12:29 /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 mi11:51:2734:3511:0834:35
11:08
#25857
10K
6.21 mi12:27:221:10:3011:2135:55
11:34
#25970
15K
9.32 mi13:04:301:47:3811:3337:08
11:57
#26014
20K
12.43 mi13:42:542:26:0211:4538:24
12:22
#25993
Half
13.11 mi13:51:182:34:2611:478:24
12:19
#26007
25K
15.53 mi14:23:023:06:1011:5931:44
13:05
#25996
30K
18.64 mi15:04:493:47:5712:1441:47
13:27
#25970
20M
20.00 mi15:22:334:05:4112:1717:44
13:03
#25929
21M
21.00 mi15:37:094:20:1712:2414:36
14:36
#25905
35K
21.75 mi15:46:364:29:4412:249:27
12:38
#25889
23M
23.00 mi16:03:134:46:2112:2716:37
13:16
#25874
24M
24.00 mi16:15:584:59:0612:2812:45
12:45
#25852
40K
24.85 mi16:27:215:10:2912:3011:23
13:19
#25840
25.2M
25.20 mi16:32:265:15:3412:315:05
14:44
#25841
Finish
26.22 mi16:44:065:27:1412:2911:40
11:27
#25807
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25857109591095926025(Top 98%)11053(Top 97%)11053(Top 226%)
10K6.21 mi3.10 mi25970-11311024-6511024-6526013(Top 98%)11048(Top 97%)11048(Top 226%)
15K9.32 mi3.11 mi26014-4411045-2111045-2126025(Top 98%)11053(Top 97%)11053(Top 226%)
20K12.43 mi3.11 mi25993+2111038+711038+725869(Top 97%)10980(Top 96%)10980(Top 225%)
Half13.11 mi0.68 mi26007-1411042-411042-426066(Top 98%)11100(Top 97%)11100(Top 227%)
25K15.53 mi2.42 mi25996+1111045-311045-325918(Top 97%)11035(Top 97%)11035(Top 226%)
30K18.64 mi3.11 mi25970+2611036+911036+925718(Top 97%)10957(Top 96%)10957(Top 224%)
20M20.00 mi1.36 mi25929+4111010+2611010+2625226(Top 95%)10715(Top 94%)10715(Top 219%)
21M21.00 mi1.00 mi25905+2411004+611004+625489(Top 96%)10855(Top 95%)10855(Top 222%)
35K21.75 mi0.75 mi25889+1610999+510999+525301(Top 95%)10813(Top 95%)10813(Top 221%)
23M23.00 mi1.25 mi25874+1510995+410995+425344(Top 95%)10817(Top 95%)10817(Top 221%)
24M24.00 mi1.00 mi25852+2210985+1010985+1025304(Top 95%)10832(Top 95%)10832(Top 222%)
40K24.85 mi0.85 mi25840+1210982+310982+325214(Top 95%)10783(Top 94%)10783(Top 221%)
25.2M25.20 mi0.35 mi25841-110984-210984-225556(Top 96%)10954(Top 96%)10954(Top 224%)
Finish26.22 mi1.02 mi25807+3410971+1310971+1324625(Top 92%)10471(Top 92%)10471(Top 214%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21stories
+97ft-345ft

Overall

26025

Females

11053

F18-39

11053

5K→10K

3.1 - 6.2 mi

Top 98%
×5stories
+79ft-138ft

Overall

26013

Females

11048

F18-39

11048

10K→15K

6.2 - 9.3 mi

Top 98%
×3stories
+67ft-78ft

Overall

26025

Females

11053

F18-39

11053

15K→20K

9.3 - 12.4 mi

Top 97%
×5stories
+106ft-86ft

Overall

25869

Females

10980

F18-39

10980

20K→Half

12.4 - 13.1 mi

Top 98%
×2stories
+19ft-37ft

Overall

26066

Females

11100

F18-39

11100

Half→25K

13.1 - 15.5 mi

Top 97%
×4stories
+66ft-88ft

Overall

25918

Females

11035

F18-39

11035

25K→30K

15.5 - 18.6 mi

Top 97%
×9stories
+181ft-148ft

Overall

25718

Females

10957

F18-39

10957

30K→20M

18.6 - 20.0 mi

Top 95%
×5stories
+64ft-50ft

Overall

25226

Females

10715

F18-39

10715

20M→21M

20.0 - 21.0 mi

Top 96%
×8stories
+106ft-24ft

Overall

25489

Females

10855

F18-39

10855

21M→35K

21.0 - 21.8 mi

Top 95%
×7stories
+17ft-86ft

Overall

25301

Females

10813

F18-39

10813

35K→23M

21.8 - 23.0 mi

Top 95%
×5stories
+23ft-63ft

Overall

25344

Females

10817

F18-39

10817

23M→24M

23.0 - 24.0 mi

Top 95%
×6stories
+12ft-82ft

Overall

25304

Females

10832

F18-39

10832

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

25214

Females

10783

F18-39

10783

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

25556

Females

10954

F18-39

10954

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2stories
+22ft-21ft

Overall

24625

Females

10471

F18-39

10471

Passing Analysis

Category:
Athletes Passed
510
Passed By
460
Net Change
+50
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25857
5K → 10K64177-113#25857#25970
10K → 15K4488-44#25970#26014
15K → 20K6140+21#26014#25993
20K → Half1327-14#25993#26007
Half → 25K4433+11#26007#25996
25K → 30K6539+26#25996#25970
30K → 20M476+41#25970#25929
20M → 21M339+24#25929#25905
21M → 35K248+16#25905#25889
35K → 23M2510+15#25889#25874
23M → 24M275+22#25874#25852
24M → 40K208+12#25852#25840
40K → 25.2M67-1#25840#25841
25.2M → Finish373+34#25841#25807
TOTALS510460+50
📊

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