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BOSTON MARATHON 2023

Erica Gwinn

Bib: 27145•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
34:44
Rank: #25914
Start → 5K
34:44 | 11:11/mi
10K· 6.21 mi
1:07:14
Rank: #25303 (+611)
5K → 10K
32:30 | 10:28/mi
15K· 9.32 mi
1:39:52
Rank: #25003 (+300)
10K → 15K
32:38 | 10:30/mi
20K· 12.43 mi
2:11:53
Rank: #24618 (+385)
15K → 20K
32:01 | 10:18/mi
Half· 13.11 mi
2:18:46
Rank: #24554 (+64)
20K → Half
6:53 | 10:05/mi
25K· 15.53 mi
2:45:04
Rank: #24402 (+152)
Half → 25K
26:18 | 10:51/mi
30K· 18.64 mi
3:21:29
Rank: #24375 (+27)
25K → 30K
36:25 | 11:43/mi
20M
3:40:31
Rank: #24573 (-198)
30K → 20M
19:02 | 14:00/mi
21M
3:53:05
Rank: #24529 (+44)
20M → 21M
12:34 | 12:34/mi
35K· 21.75 mi
4:01:59
Rank: #24534 (-5)
21M → 35K
8:54 | 11:54/mi
23M
4:17:08
Rank: #24519 (+15)
35K → 23M
15:09 | 12:06/mi
24M
4:28:30
Rank: #24482 (+37)
23M → 24M
11:22 | 11:22/mi
40K· 24.85 mi
4:39:25
Rank: #24512 (-30)
24M → 40K
10:55 | 12:46/mi
25.2M
4:43:55
Rank: #24513 (-1)
40K → 25.2M
4:30 | 13:03/mi
Finish· 26.22 mi
4:54:18
Rank: #24455 (+58)
25.2M → Finish
10:23 | 10:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:18:46
Pace10:35 /mi
2nd Half
Distance13.11 mi
Time2:35:32
Pace11:52 /mi
📊Positive Split: 12.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:0534:4411:1134:44
11:11
-
10K
6.21 mi12:25:351:07:1410:4932:30
10:28
-0:43
15K
9.32 mi12:58:131:39:5210:4332:38
10:30
+0:02
20K
12.43 mi13:30:142:11:5310:3732:01
10:18
-0:12
Half
13.11 mi13:37:072:18:4610:356:53
10:05
-0:13
25K
15.53 mi14:03:252:45:0410:3826:18
10:51
+0:46
30K
18.64 mi14:39:503:21:2910:4936:25
11:43
+0:52
20M
20.00 mi14:58:523:40:3111:0219:02
14:00
+2:17
21M
21.00 mi15:11:263:53:0511:0612:34
12:34
-1:26
35K
21.75 mi15:20:204:01:5911:088:54
11:54
-0:40
23M
23.00 mi15:35:294:17:0811:1115:09
12:06
+0:12
24M
24.00 mi15:46:514:28:3011:1111:22
11:22
-0:44
40K
24.85 mi15:57:464:39:2511:1510:55
12:46
+1:24
25.2M
25.20 mi16:02:164:43:5511:164:30
13:03
+0:17
Finish
26.22 mi16:12:394:54:1811:1410:23
10:11
-2:52

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

10:05 /mi

Average Pace

11:14 /mi

Slowest Pace

14:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:25

39% of race

Time at Steady Pace

1:57:43

40% of race

Time at Slower Pace

1:02:10

21% of race

Average Pace: 11:13 /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 mi11:53:0534:4411:1134:44
11:11
#25914
10K
6.21 mi12:25:351:07:1410:4932:30
10:28
#25303
15K
9.32 mi12:58:131:39:5210:4332:38
10:30
#25003
20K
12.43 mi13:30:142:11:5310:3732:01
10:18
#24618
Half
13.11 mi13:37:072:18:4610:356:53
10:05
#24554
25K
15.53 mi14:03:252:45:0410:3826:18
10:51
#24402
30K
18.64 mi14:39:503:21:2910:4936:25
11:43
#24375
20M
20.00 mi14:58:523:40:3111:0219:02
14:00
#24573
21M
21.00 mi15:11:263:53:0511:0612:34
12:34
#24529
35K
21.75 mi15:20:204:01:5911:088:54
11:54
#24534
23M
23.00 mi15:35:294:17:0811:1115:09
12:06
#24519
24M
24.00 mi15:46:514:28:3011:1111:22
11:22
#24482
40K
24.85 mi15:57:464:39:2511:1510:55
12:46
#24512
25.2M
25.20 mi16:02:164:43:5511:164:30
13:03
#24513
Finish
26.22 mi16:12:394:54:1811:1410:23
10:11
#24455
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25914109971099724464(Top 92%)10161(Top 89%)10161(Top 208%)
10K6.21 mi3.10 mi25303+61110599+39810599+39824620(Top 92%)10236(Top 90%)10236(Top 210%)
15K9.32 mi3.11 mi25003+30010436+16310436+16324464(Top 92%)10161(Top 89%)10161(Top 208%)
20K12.43 mi3.11 mi24618+38510244+19210244+19223483(Top 88%)9620(Top 84%)9620(Top 197%)
Half13.11 mi0.68 mi24554+6410207+3710207+3723480(Top 88%)9626(Top 84%)9626(Top 197%)
25K15.53 mi2.42 mi24402+15210134+7310134+7323744(Top 89%)9820(Top 86%)9820(Top 201%)
30K18.64 mi3.11 mi24375+2710140-610140-624162(Top 91%)10101(Top 88%)10101(Top 207%)
20M20.00 mi1.36 mi24573-19810253-11310253-11325826(Top 97%)11031(Top 97%)11031(Top 226%)
21M21.00 mi1.00 mi24529+4410234+1910234+1923546(Top 88%)9837(Top 86%)9837(Top 201%)
35K21.75 mi0.75 mi24534-510237-310237-324582(Top 92%)10444(Top 91%)10444(Top 214%)
23M23.00 mi1.25 mi24519+1510241-410241-424135(Top 91%)10202(Top 89%)10202(Top 209%)
24M24.00 mi1.00 mi24482+3710234+710234+723698(Top 89%)10002(Top 88%)10002(Top 205%)
40K24.85 mi0.85 mi24512-3010257-2310257-2324749(Top 93%)10547(Top 92%)10547(Top 216%)
25.2M25.20 mi0.35 mi24513-1102571025724045(Top 90%)10210(Top 89%)10210(Top 209%)
Finish26.22 mi1.02 mi24455+5810236+2110236+2122284(Top 84%)9275(Top 81%)9275(Top 190%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21stories
+97ft-345ft

Overall

24464

Females

10161

F18-39

10161

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

24620

Females

10236

F18-39

10236

10K→15K

6.2 - 9.3 mi

Top 92%
×3stories
+67ft-78ft

Overall

24464

Females

10161

F18-39

10161

15K→20K

9.3 - 12.4 mi

Top 88%
×5stories
+106ft-86ft

Overall

23483

Females

9620

F18-39

9620

20K→Half

12.4 - 13.1 mi

Top 88%
×2stories
+19ft-37ft

Overall

23480

Females

9626

F18-39

9626

Half→25K

13.1 - 15.5 mi

Top 89%
×4stories
+66ft-88ft

Overall

23744

Females

9820

F18-39

9820

25K→30K

15.5 - 18.6 mi

Top 91%
×9stories
+181ft-148ft

Overall

24162

Females

10101

F18-39

10101

30K→20M

18.6 - 20.0 mi

Top 97%
×5stories
+64ft-50ft

Overall

25826

Females

11031

F18-39

11031

20M→21M

20.0 - 21.0 mi

Top 88%
×8stories
+106ft-24ft

Overall

23546

Females

9837

F18-39

9837

21M→35K

21.0 - 21.8 mi

Top 92%
×7stories
+17ft-86ft

Overall

24582

Females

10444

F18-39

10444

35K→23M

21.8 - 23.0 mi

Top 91%
×5stories
+23ft-63ft

Overall

24135

Females

10202

F18-39

10202

23M→24M

23.0 - 24.0 mi

Top 89%
×6stories
+12ft-82ft

Overall

23698

Females

10002

F18-39

10002

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

24749

Females

10547

F18-39

10547

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

24045

Females

10210

F18-39

10210

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2stories
+22ft-21ft

Overall

22284

Females

9275

F18-39

9275

Passing Analysis

Category:
Athletes Passed
1956
Passed By
497
Net Change
+1459
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25914
5K → 10K6198+611#25914#25303
10K → 15K31414+300#25303#25003
15K → 20K3883+385#25003#24618
20K → Half673+64#24618#24554
Half → 25K17725+152#24554#24402
25K → 30K12295+27#24402#24375
30K → 20M10208-198#24375#24573
20M → 21M6117+44#24573#24529
21M → 35K2227-5#24529#24534
35K → 23M4429+15#24534#24519
23M → 24M4912+37#24519#24482
24M → 40K1242-30#24482#24512
40K → 25.2M910-1#24512#24513
25.2M → Finish624+58#24513#24455
TOTALS1956497+1459
📊

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