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BOSTON MARATHON 2023

Samantha Keener

Bib: 17601•F

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 42%
Gender (Female)
#0 / 11423
Top 23%
Division (F18-39)
#0 / 4884
Top 39%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:49
Rank: #13929
Start → 5K
24:49 | 7:59/mi
10K· 6.21 mi
49:16
Rank: #13812 (+117)
5K → 10K
24:27 | 7:52/mi
15K· 9.32 mi
1:13:21
Rank: #13324 (+488)
10K → 15K
24:05 | 7:45/mi
20K· 12.43 mi
1:37:33
Rank: #12845 (+479)
15K → 20K
24:12 | 7:47/mi
Half· 13.11 mi
1:42:39
Rank: #12675 (+170)
20K → Half
5:06 | 7:29/mi
25K· 15.53 mi
2:01:17
Rank: #12247 (+428)
Half → 25K
18:38 | 7:41/mi
30K· 18.64 mi
2:26:27
Rank: #12091 (+156)
25K → 30K
25:10 | 8:06/mi
20M
2:37:31
Rank: #12013 (+78)
30K → 20M
11:04 | 8:09/mi
21M
2:46:12
Rank: #11981 (+32)
20M → 21M
8:41 | 8:41/mi
35K· 21.75 mi
2:51:48
Rank: #11843 (+138)
21M → 35K
5:36 | 7:29/mi
23M
3:01:58
Rank: #11745 (+98)
35K → 23M
10:10 | 8:07/mi
24M
3:09:49
Rank: #11658 (+87)
23M → 24M
7:51 | 7:51/mi
40K· 24.85 mi
3:16:17
Rank: #11456 (+202)
24M → 40K
6:28 | 7:34/mi
25.2M
3:19:00
Rank: #11334 (+122)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
3:26:19
Rank: #11060 (+274)
25.2M → Finish
7:19 | 7:11/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:42:39
Pace7:50 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:43:40
Pace7:54 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:5224:497:5924:49
7:59
-
10K
6.21 mi11:44:1949:167:5624:27
7:52
-0:07
15K
9.32 mi12:08:241:13:217:5224:05
7:45
-0:07
20K
12.43 mi12:32:361:37:337:5124:12
7:47
+0:02
Half
13.11 mi12:37:421:42:397:505:06
7:29
-0:18
25K
15.53 mi12:56:202:01:177:4818:38
7:41
+0:12
30K
18.64 mi13:21:302:26:277:5125:10
8:06
+0:25
20M
20.00 mi13:32:342:37:317:5311:04
8:09
+0:03
21M
21.00 mi13:41:152:46:127:558:41
8:41
+0:32
35K
21.75 mi13:46:512:51:487:545:36
7:29
-1:12
23M
23.00 mi13:57:013:01:587:5510:10
8:07
+0:38
24M
24.00 mi14:04:523:09:497:557:51
7:51
-0:16
40K
24.85 mi14:11:203:16:177:546:28
7:34
-0:17
25.2M
25.20 mi14:14:033:19:007:542:43
7:53
+0:19
Finish
26.22 mi14:21:223:26:197:527:19
7:11
-0:42

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

7:11 /mi

Average Pace

7:52 /mi

Slowest Pace

8:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

24:29

12% of race

Time at Steady Pace

2:06:45

61% of race

Time at Slower Pace

55:05

27% of race

Average Pace: 7:52 /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 mi11:19:5224:497:5924:49
7:59
#13929
10K
6.21 mi11:44:1949:167:5624:27
7:52
#13812
15K
9.32 mi12:08:241:13:217:5224:05
7:45
#13324
20K
12.43 mi12:32:361:37:337:5124:12
7:47
#12845
Half
13.11 mi12:37:421:42:397:505:06
7:29
#12675
25K
15.53 mi12:56:202:01:177:4818:38
7:41
#12247
30K
18.64 mi13:21:302:26:277:5125:10
8:06
#12091
20M
20.00 mi13:32:342:37:317:5311:04
8:09
#12013
21M
21.00 mi13:41:152:46:127:558:41
8:41
#11981
35K
21.75 mi13:46:512:51:487:545:36
7:29
#11843
23M
23.00 mi13:57:013:01:587:5510:10
8:07
#11745
24M
24.00 mi14:04:523:09:497:557:51
7:51
#11658
40K
24.85 mi14:11:203:16:177:546:28
7:34
#11456
25.2M
25.20 mi14:14:033:19:007:542:43
7:53
#11334
Finish
26.22 mi14:21:223:26:197:527:19
7:11
#11060
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi139293983398312320(Top 46%)3087(Top 27%)3087(Top 63%)
10K6.21 mi3.10 mi13812+1173928+553928+5513725(Top 52%)3872(Top 34%)3872(Top 79%)
15K9.32 mi3.11 mi13324+4883645+2833645+28312320(Top 46%)3087(Top 27%)3087(Top 63%)
20K12.43 mi3.11 mi12845+4793391+2543391+25411659(Top 44%)2770(Top 24%)2770(Top 57%)
Half13.11 mi0.68 mi12675+1703301+903301+9010119(Top 38%)1955(Top 17%)1955(Top 40%)
25K15.53 mi2.42 mi12247+4283081+2203081+22010212(Top 38%)2095(Top 18%)2095(Top 43%)
30K18.64 mi3.11 mi12091+1563025+563025+5611638(Top 44%)2981(Top 26%)2981(Top 61%)
20M20.00 mi1.36 mi12013+783008+173008+1711316(Top 43%)2890(Top 25%)2890(Top 59%)
21M21.00 mi1.00 mi11981+323002+63002+611569(Top 43%)3174(Top 28%)3174(Top 65%)
35K21.75 mi0.75 mi11843+1382939+632939+638512(Top 32%)1711(Top 15%)1711(Top 35%)
23M23.00 mi1.25 mi11745+982902+372902+3710625(Top 40%)2828(Top 25%)2828(Top 58%)
24M24.00 mi1.00 mi11658+872872+302872+3010185(Top 38%)2678(Top 23%)2678(Top 55%)
40K24.85 mi0.85 mi11456+2022787+852787+857156(Top 27%)1443(Top 13%)1443(Top 30%)
25.2M25.20 mi0.35 mi11334+1222730+572730+575924(Top 22%)1055(Top 9%)1055(Top 22%)
Finish26.22 mi1.02 mi11060+2742622+1082622+1086325(Top 24%)1182(Top 10%)1182(Top 24%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21stories
+97ft-345ft

Overall

12320

Females

3087

F18-39

3087

5K→10K

3.1 - 6.2 mi

Top 52%
×5stories
+79ft-138ft

Overall

13725

Females

3872

F18-39

3872

10K→15K

6.2 - 9.3 mi

Top 46%
×3stories
+67ft-78ft

Overall

12320

Females

3087

F18-39

3087

15K→20K

9.3 - 12.4 mi

Top 44%
×5stories
+106ft-86ft

Overall

11659

Females

2770

F18-39

2770

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10119

Females

1955

F18-39

1955

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

10212

Females

2095

F18-39

2095

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

11638

Females

2981

F18-39

2981

30K→20M

18.6 - 20.0 mi

Top 43%
×5stories
+64ft-50ft

Overall

11316

Females

2890

F18-39

2890

20M→21M

20.0 - 21.0 mi

Top 43%
×8stories
+106ft-24ft

Overall

11569

Females

3174

F18-39

3174

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

8512

Females

1711

F18-39

1711

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

10625

Females

2828

F18-39

2828

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

10185

Females

2678

F18-39

2678

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7156

Females

1443

F18-39

1443

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5924

Females

1055

F18-39

1055

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6325

Females

1182

F18-39

1182

Passing Analysis

Category:
Athletes Passed
3500
Passed By
631
Net Change
+2869
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13929
5K → 10K348231+117#13929#13812
10K → 15K53244+488#13812#13324
15K → 20K49516+479#13324#12845
20K → Half1711+170#12845#12675
Half → 25K4357+428#12675#12247
25K → 30K278122+156#12247#12091
30K → 20M14163+78#12091#12013
20M → 21M9765+32#12013#11981
21M → 35K1413+138#11981#11843
35K → 23M14143+98#11843#11745
23M → 24M11629+87#11745#11658
24M → 40K2064+202#11658#11456
40K → 25.2M1220+122#11456#11334
25.2M → Finish2773+274#11334#11060
TOTALS3500631+2869
📊

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