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BOSTON MARATHON 2023

Samantha Winter

Bib: 15671•F

OR

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 45%
Gender (Female)
#0 / 11423
Top 27%
Division (F18-39)
#0 / 4884
Top 45%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:01/mi
24:55
↑ 97↓ 3451.5%
10K· 6.21 mi
7:55/mi
49:32
↑ 79↓ 1380.4%
15K· 9.32 mi
7:53/mi
1:14:01
↑ 67↓ 78
20K· 12.43 mi
7:54/mi
1:38:33
↑ 106↓ 860.1%
Half· 13.11 mi
7:49/mi
1:43:53
↑ 19↓ 370.5%
25K· 15.53 mi
7:53/mi
2:02:59
↑ 66↓ 880.2%
30K· 18.64 mi
8:04/mi
2:28:02
↑ 181↓ 1480.2%
20M
8:04/mi
2:38:59
↑ 64↓ 500.2%
21M
8:28/mi
2:47:27
↑ 106↓ 241.6%
35K· 21.75 mi
7:52/mi
2:53:20
↑ 17↓ 861.7%
23M
8:05/mi
3:03:27
↑ 23↓ 630.6%
24M
7:54/mi
3:11:21
↓ 821.3%
40K· 24.85 mi
7:55/mi
3:18:07
↓ 200.3%
25.2M
8:27/mi
3:21:02
↑ 13↓ 160.2%
Finish· 26.22 mi
7:39/mi
3:28:50
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:53
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time1:44:57
Pace8:00 /mi
📊Positive Split: 1.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:5224:558:0124:55
8:01
-
10K
6.21 mi11:20:2949:327:5824:37
7:55
-0:06
15K
9.32 mi11:44:581:14:017:5624:29
7:53
-0:02
20K
12.43 mi12:09:301:38:337:5624:32
7:54
+0:01
Half
13.11 mi12:14:501:43:537:555:20
7:49
-0:05
25K
15.53 mi12:33:562:02:597:5519:06
7:53
+0:04
30K
18.64 mi12:58:592:28:027:5625:03
8:04
+0:11
20M
20.00 mi13:09:562:38:597:5710:57
8:04
0:00
21M
21.00 mi13:18:242:47:277:588:28
8:28
+0:24
35K
21.75 mi13:24:172:53:207:585:53
7:52
-0:36
23M
23.00 mi13:34:243:03:277:5910:07
8:05
+0:13
24M
24.00 mi13:42:183:11:217:587:54
7:54
-0:11
40K
24.85 mi13:49:043:18:077:586:46
7:55
+0:01
25.2M
25.20 mi13:51:593:21:027:592:55
8:27
+0:32
Finish
26.22 mi13:59:473:28:507:587:48
7:39
-0:48

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

7:39 /mi

Average Pace

7:58 /mi

Slowest Pace

8:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:17:27

95% of race

Time at Steady Pace

11:23

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:58 /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 mi10:55:5224:558:0124:55
8:01
#14161
10K
6.21 mi11:20:2949:327:5824:37
7:55
#14179
15K
9.32 mi11:44:581:14:017:5624:29
7:53
#13915
20K
12.43 mi12:09:301:38:337:5624:32
7:54
#13541
Half
13.11 mi12:14:501:43:537:555:20
7:49
#13516
25K
15.53 mi12:33:562:02:597:5519:06
7:53
#13202
30K
18.64 mi12:58:592:28:027:5625:03
8:04
#12825
20M
20.00 mi13:09:562:38:597:5710:57
8:04
#12618
21M
21.00 mi13:18:242:47:277:588:28
8:28
#12437
35K
21.75 mi13:24:172:53:207:585:53
7:52
#12394
23M
23.00 mi13:34:243:03:277:5910:07
8:05
#12261
24M
24.00 mi13:42:183:11:217:587:54
7:54
#12195
40K
24.85 mi13:49:043:18:077:586:46
7:55
#12061
25.2M
25.20 mi13:51:593:21:027:592:55
8:27
#12002
Finish
26.22 mi13:59:473:28:507:587:48
7:39
#11909
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi141614122412213366(Top 50%)3704(Top 32%)3704(Top 76%)
10K6.21 mi3.10 mi14179-184149-274149-2714184(Top 53%)4162(Top 36%)4162(Top 85%)
15K9.32 mi3.11 mi13915+2644007+1424007+14213366(Top 50%)3704(Top 32%)3704(Top 76%)
20K12.43 mi3.11 mi13541+3743804+2033804+20312594(Top 47%)3311(Top 29%)3311(Top 68%)
Half13.11 mi0.68 mi13516+253792+123792+1212902(Top 48%)3431(Top 30%)3431(Top 70%)
25K15.53 mi2.42 mi13202+3143614+1783614+17811760(Top 44%)2934(Top 26%)2934(Top 60%)
30K18.64 mi3.11 mi12825+3773448+1663448+16611370(Top 43%)2834(Top 25%)2834(Top 58%)
20M20.00 mi1.36 mi12618+2073346+1023346+10210758(Top 40%)2626(Top 23%)2626(Top 54%)
21M21.00 mi1.00 mi12437+1813258+883258+8810325(Top 39%)2552(Top 22%)2552(Top 52%)
35K21.75 mi0.75 mi12394+433252+63252+611176(Top 42%)2963(Top 26%)2963(Top 61%)
23M23.00 mi1.25 mi12261+1333203+493203+4910341(Top 39%)2685(Top 24%)2685(Top 55%)
24M24.00 mi1.00 mi12195+663185+183185+1810563(Top 40%)2870(Top 25%)2870(Top 59%)
40K24.85 mi0.85 mi12061+1343136+493136+499496(Top 36%)2411(Top 21%)2411(Top 49%)
25.2M25.20 mi0.35 mi12002+593103+333103+339345(Top 35%)2404(Top 21%)2404(Top 49%)
Finish26.22 mi1.02 mi11909+933072+313072+319696(Top 36%)2575(Top 23%)2575(Top 53%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

13366

Females

3704

F18-39

3704

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

14184

Females

4162

F18-39

4162

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

13366

Females

3704

F18-39

3704

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

12594

Females

3311

F18-39

3311

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

12902

Females

3431

F18-39

3431

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

11760

Females

2934

F18-39

2934

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

11370

Females

2834

F18-39

2834

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

10758

Females

2626

F18-39

2626

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

10325

Females

2552

F18-39

2552

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

11176

Females

2963

F18-39

2963

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

10341

Females

2685

F18-39

2685

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

10563

Females

2870

F18-39

2870

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9496

Females

2411

F18-39

2411

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9345

Females

2404

F18-39

2404

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

9696

Females

2575

F18-39

2575

Passing Analysis

Category:
Athletes Passed
2881
Passed By
629
Net Change
+2252
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14161
5K → 10K272290-18#14161#14179
10K → 15K33773+264#14179#13915
15K → 20K40531+374#13915#13541
20K → Half4419+25#13541#13516
Half → 25K33117+314#13516#13202
25K → 30K41841+377#13202#12825
30K → 20M22922+207#12825#12618
20M → 21M19514+181#12618#12437
21M → 35K7027+43#12437#12394
35K → 23M15825+133#12394#12261
23M → 24M9428+66#12261#12195
24M → 40K14511+134#12195#12061
40K → 25.2M656+59#12061#12002
25.2M → Finish11825+93#12002#11909
TOTALS2881629+2252
📊

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