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BOSTON MARATHON 2023

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Bib: 19027•F

VA

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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 45%
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
25:22
Rank: #15199
Start → 5K
8:10/mi
25:22 split
10K· 6.21 mi
50:10
Rank: #14931 (+268)
5K → 10K
7:59/mi
24:48 split
15K· 9.32 mi
1:15:03
Rank: #14767 (+164)
10K → 15K
8:01/mi
24:53 split
20K· 12.43 mi
1:40:18
Rank: #14664 (+103)
15K → 20K
8:08/mi
25:15 split
Half· 13.11 mi
1:45:46
Rank: #14637 (+27)
20K → Half
8:01/mi
5:28 split
25K· 15.53 mi
2:05:39
Rank: #14575 (+62)
Half → 25K
8:12/mi
19:53 split
30K· 18.64 mi
2:32:53
Rank: #14828 (-253)
25K → 30K
8:46/mi
27:14 split
20M
2:45:22
Rank: #15027 (-199)
30K → 20M
9:11/mi
12:29 split
21M
2:55:10
Rank: #15153 (-126)
20M → 21M
9:48/mi
9:48 split
35K· 21.75 mi
3:01:38
Rank: #15178 (-25)
21M → 35K
8:39/mi
6:28 split
23M
3:13:06
Rank: #15262 (-84)
35K → 23M
9:09/mi
11:28 split
24M
3:21:53
Rank: #15299 (-37)
23M → 24M
8:47/mi
8:47 split
40K· 24.85 mi
3:29:24
Rank: #15294 (+5)
24M → 40K
8:47/mi
7:31 split
25.2M
3:32:47
Rank: #15312 (-18)
40K → 25.2M
9:49/mi
3:23 split
Finish· 26.22 mi
3:41:36
Rank: #15337 (-25)
25.2M → Finish
8:39/mi
8:49 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:46
Pace8:04 /mi
2nd Half
Distance13.11 mi
Time1:55:50
Pace8:50 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:1025:228:1025:22
8:10
-
10K
6.21 mi11:41:5850:108:0424:48
7:59
-0:11
15K
9.32 mi12:06:511:15:038:0324:53
8:01
+0:02
20K
12.43 mi12:32:061:40:188:0425:15
8:08
+0:07
Half
13.11 mi12:37:341:45:468:045:28
8:01
-0:07
25K
15.53 mi12:57:272:05:398:0519:53
8:12
+0:11
30K
18.64 mi13:24:412:32:538:1227:14
8:46
+0:34
20M
20.00 mi13:37:102:45:228:1612:29
9:11
+0:25
21M
21.00 mi13:46:582:55:108:209:48
9:48
+0:37
35K
21.75 mi13:53:263:01:388:216:28
8:39
-1:09
23M
23.00 mi14:04:543:13:068:2411:28
9:09
+0:30
24M
24.00 mi14:13:413:21:538:258:47
8:47
-0:22
40K
24.85 mi14:21:123:29:248:257:31
8:47
0:00
25.2M
25.20 mi14:24:353:32:478:273:23
9:49
+1:02
Finish
26.22 mi14:33:243:41:368:278:49
8:39
-1:10

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

7:59 /mi

Average Pace

8:27 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:39

57% of race

Time at Steady Pace

58:49

27% of race

Time at Slower Pace

37:08

17% of race

Average Pace: 8:27 /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 mi11:17:1025:228:1025:22
8:10
#15199
10K
6.21 mi11:41:5850:108:0424:48
7:59
#14931
15K
9.32 mi12:06:511:15:038:0324:53
8:01
#14767
20K
12.43 mi12:32:061:40:188:0425:15
8:08
#14664
Half
13.11 mi12:37:341:45:468:045:28
8:01
#14637
25K
15.53 mi12:57:272:05:398:0519:53
8:12
#14575
30K
18.64 mi13:24:412:32:538:1227:14
8:46
#14828
20M
20.00 mi13:37:102:45:228:1612:29
9:11
#15027
21M
21.00 mi13:46:582:55:108:209:48
9:48
#15153
35K
21.75 mi13:53:263:01:388:216:28
8:39
#15178
23M
23.00 mi14:04:543:13:068:2411:28
9:09
#15262
24M
24.00 mi14:13:413:21:538:258:47
8:47
#15299
40K
24.85 mi14:21:123:29:248:257:31
8:47
#15294
25.2M
25.20 mi14:24:353:32:478:273:23
9:49
#15312
Finish
26.22 mi14:33:243:41:368:278:49
8:39
#15337
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi151994771477114480(Top 54%)4372(Top 38%)4372(Top 90%)
10K6.21 mi3.10 mi14931+2684613+1584613+15814699(Top 55%)4482(Top 39%)4482(Top 92%)
15K9.32 mi3.11 mi14767+1644518+954518+9514480(Top 54%)4372(Top 38%)4372(Top 90%)
20K12.43 mi3.11 mi14664+1034469+494469+4914426(Top 54%)4362(Top 38%)4362(Top 89%)
Half13.11 mi0.68 mi14637+274454+154454+1514573(Top 55%)4442(Top 39%)4442(Top 91%)
25K15.53 mi2.42 mi14575+624454445414259(Top 54%)4373(Top 38%)4373(Top 90%)
30K18.64 mi3.11 mi14828-2534639-1854639-18515862(Top 60%)5423(Top 47%)5423(Top 111%)
20M20.00 mi1.36 mi15027-1994790-1514790-15117483(Top 66%)6436(Top 56%)6436(Top 132%)
21M21.00 mi1.00 mi15153-1264896-1064896-10617262(Top 65%)6339(Top 55%)6339(Top 130%)
35K21.75 mi0.75 mi15178-254933-374933-3716115(Top 61%)5754(Top 50%)5754(Top 118%)
23M23.00 mi1.25 mi15262-845001-685001-6816858(Top 63%)6208(Top 54%)6208(Top 127%)
24M24.00 mi1.00 mi15299-375041-405041-4016114(Top 61%)5864(Top 51%)5864(Top 120%)
40K24.85 mi0.85 mi15294+55056-155056-1515062(Top 57%)5331(Top 47%)5331(Top 109%)
25.2M25.20 mi0.35 mi15312-185078-225078-2216604(Top 62%)6193(Top 54%)6193(Top 127%)
Finish26.22 mi1.02 mi15337-255107-295107-2916270(Top 61%)5977(Top 52%)5977(Top 122%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

14480

Females

4372

F18-39

4372

5K→10K

3.1 - 6.2 mi

Top 55%
×5story building
+79ft-138ft

Overall

14699

Females

4482

F18-39

4482

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

14480

Females

4372

F18-39

4372

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

14426

Females

4362

F18-39

4362

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

14573

Females

4442

F18-39

4442

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

14259

Females

4373

F18-39

4373

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

15862

Females

5423

F18-39

5423

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

17483

Females

6436

F18-39

6436

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

17262

Females

6339

F18-39

6339

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

16115

Females

5754

F18-39

5754

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

16858

Females

6208

F18-39

6208

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

16114

Females

5864

F18-39

5864

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15062

Females

5331

F18-39

5331

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

16604

Females

6193

F18-39

6193

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2story building
+22ft-21ft

Overall

16270

Females

5977

F18-39

5977

Passing Analysis

Category:
Athletes Passed
1665
Passed By
1803
Net Change
-138
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15199
5K → 10K449181+268#15199#14931
10K → 15K275111+164#14931#14767
15K → 20K238135+103#14767#14664
20K → Half4619+27#14664#14637
Half → 25K179117+62#14637#14575
25K → 30K90343-253#14575#14828
30K → 20M38237-199#14828#15027
20M → 21M54180-126#15027#15153
21M → 35K3964-25#15153#15178
35K → 23M54138-84#15178#15262
23M → 24M6198-37#15262#15299
24M → 40K6055+5#15299#15294
40K → 25.2M2442-18#15294#15312
25.2M → Finish5883-25#15312#15337
TOTALS16651803-138
📊

Passing Visuals

Category:
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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