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BOSTON MARATHON 2023

Sara Porter

Bib: 4278•F

LA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 17%
Gender (Female)
#0 / 11423
Top 3%
Division (F18-39)
#0 / 4884
Top 5%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:01
Rank: #4330
Start → 5K
21:01 | 6:46/mi
10K· 6.21 mi
41:44
Rank: #4165 (+165)
5K → 10K
20:43 | 6:40/mi
15K· 9.32 mi
1:02:21
Rank: #3918 (+247)
10K → 15K
20:37 | 6:38/mi
20K· 12.43 mi
1:23:01
Rank: #3693 (+225)
15K → 20K
20:40 | 6:39/mi
Half· 13.11 mi
1:27:33
Rank: #3695 (-2)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:43:47
Rank: #3612 (+83)
Half → 25K
16:14 | 6:42/mi
30K· 18.64 mi
2:05:48
Rank: #3845 (-233)
25K → 30K
22:01 | 7:05/mi
20M
2:15:39
Rank: #4000 (-155)
30K → 20M
9:51 | 7:15/mi
21M
2:23:18
Rank: #4088 (-88)
20M → 21M
7:39 | 7:39/mi
35K· 21.75 mi
2:28:43
Rank: #4205 (-117)
21M → 35K
5:25 | 7:14/mi
23M
2:38:07
Rank: #4399 (-194)
35K → 23M
9:24 | 7:30/mi
24M
2:45:15
Rank: #4461 (-62)
23M → 24M
7:08 | 7:08/mi
40K· 24.85 mi
2:51:34
Rank: #4497 (-36)
24M → 40K
6:19 | 7:23/mi
25.2M
2:54:16
Rank: #4504 (-7)
40K → 25.2M
2:42 | 7:50/mi
Finish· 26.22 mi
3:01:36
Rank: #4536 (-32)
25.2M → Finish
7:20 | 7:12/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:33
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:34:03
Pace7:10 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:0421:016:4621:01
6:46
-
10K
6.21 mi10:43:4741:446:4320:43
6:40
-0:06
15K
9.32 mi11:04:241:02:216:4120:37
6:38
-0:02
20K
12.43 mi11:25:041:23:016:4120:40
6:39
+0:01
Half
13.11 mi11:29:361:27:336:414:32
6:39
0:00
25K
15.53 mi11:45:501:43:476:4116:14
6:42
+0:03
30K
18.64 mi12:07:512:05:486:4522:01
7:05
+0:23
20M
20.00 mi12:17:422:15:396:479:51
7:15
+0:10
21M
21.00 mi12:25:212:23:186:497:39
7:39
+0:24
35K
21.75 mi12:30:462:28:436:505:25
7:14
-0:25
23M
23.00 mi12:40:102:38:076:529:24
7:30
+0:16
24M
24.00 mi12:47:182:45:156:537:08
7:08
-0:22
40K
24.85 mi12:53:372:51:346:546:19
7:23
+0:15
25.2M
25.20 mi12:56:192:54:166:552:42
7:50
+0:27
Finish
26.22 mi13:03:393:01:366:567:20
7:12
-0:38

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

6:38 /mi

Average Pace

6:56 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35:32

86% of race

Time at Steady Pace

23:22

13% of race

Time at Slower Pace

2:42

1% of race

Average Pace: 6:56 /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 mi10:23:0421:016:4621:01
6:46
#4330
10K
6.21 mi10:43:4741:446:4320:43
6:40
#4165
15K
9.32 mi11:04:241:02:216:4120:37
6:38
#3918
20K
12.43 mi11:25:041:23:016:4120:40
6:39
#3693
Half
13.11 mi11:29:361:27:336:414:32
6:39
#3695
25K
15.53 mi11:45:501:43:476:4116:14
6:42
#3612
30K
18.64 mi12:07:512:05:486:4522:01
7:05
#3845
20M
20.00 mi12:17:422:15:396:479:51
7:15
#4000
21M
21.00 mi12:25:212:23:186:497:39
7:39
#4088
35K
21.75 mi12:30:462:28:436:505:25
7:14
#4205
23M
23.00 mi12:40:102:38:076:529:24
7:30
#4399
24M
24.00 mi12:47:182:45:156:537:08
7:08
#4461
40K
24.85 mi12:53:372:51:346:546:19
7:23
#4497
25.2M
25.20 mi12:56:192:54:166:552:42
7:50
#4504
Finish
26.22 mi13:03:393:01:366:567:20
7:12
#4536
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi43302802803607(Top 14%)199(Top 2%)199(Top 4%)
10K6.21 mi3.10 mi4165+165254+26254+264060(Top 15%)241(Top 2%)241(Top 5%)
15K9.32 mi3.11 mi3918+247224+30224+303607(Top 14%)199(Top 2%)199(Top 4%)
20K12.43 mi3.11 mi3693+225197+27197+273214(Top 12%)161(Top 1%)161(Top 3%)
Half13.11 mi0.68 mi3695-21971973925(Top 15%)237(Top 2%)237(Top 5%)
25K15.53 mi2.42 mi3612+83191+6191+63346(Top 13%)168(Top 1%)168(Top 3%)
30K18.64 mi3.11 mi3845-233216-25216-254859(Top 18%)384(Top 3%)384(Top 8%)
20M20.00 mi1.36 mi4000-155235-19235-195379(Top 20%)536(Top 5%)536(Top 11%)
21M21.00 mi1.00 mi4088-88250-15250-155377(Top 20%)626(Top 5%)626(Top 13%)
35K21.75 mi0.75 mi4205-117266-16266-166790(Top 26%)1008(Top 9%)1008(Top 21%)
23M23.00 mi1.25 mi4399-194287-21287-216474(Top 24%)975(Top 9%)975(Top 20%)
24M24.00 mi1.00 mi4461-62294-7294-75392(Top 20%)672(Top 6%)672(Top 14%)
40K24.85 mi0.85 mi4497-36304-10304-106016(Top 23%)974(Top 9%)974(Top 20%)
25.2M25.20 mi0.35 mi4504-7307-3307-35590(Top 21%)903(Top 8%)903(Top 18%)
Finish26.22 mi1.02 mi4536-32319-12319-126411(Top 24%)1189(Top 10%)1189(Top 24%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3607

Females

199

F18-39

199

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4060

Females

241

F18-39

241

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3607

Females

199

F18-39

199

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3214

Females

161

F18-39

161

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

3925

Females

237

F18-39

237

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3346

Females

168

F18-39

168

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4859

Females

384

F18-39

384

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5379

Females

536

F18-39

536

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5377

Females

626

F18-39

626

21M→35K

21.0 - 21.8 mi

Top 26%
×7stories
+17ft-86ft

Overall

6790

Females

1008

F18-39

1008

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6474

Females

975

F18-39

975

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5392

Females

672

F18-39

672

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6016

Females

974

F18-39

974

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5590

Females

903

F18-39

903

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6411

Females

1189

F18-39

1189

Passing Analysis

Category:
Athletes Passed
1239
Passed By
1445
Net Change
-206
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4330
5K → 10K306141+165#4330#4165
10K → 15K28740+247#4165#3918
15K → 20K24217+225#3918#3693
20K → Half1113-2#3693#3695
Half → 25K12037+83#3695#3612
25K → 30K47280-233#3612#3845
30K → 20M25180-155#3845#4000
20M → 21M47135-88#4000#4088
21M → 35K11128-117#4088#4205
35K → 23M33227-194#4205#4399
23M → 24M2486-62#4399#4461
24M → 40K3470-36#4461#4497
40K → 25.2M1724-7#4497#4504
25.2M → Finish3567-32#4504#4536
TOTALS12391445-206
📊

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