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BOSTON MARATHON 2023

Samantha Matthews

Bib: 26286•F

MA

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0:00
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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
26:34
Rank: #17932
Start → 5K
26:34 | 8:33/mi
10K· 6.21 mi
53:37
Rank: #18687 (-755)
5K → 10K
27:03 | 8:42/mi
15K· 9.32 mi
1:21:13
Rank: #19127 (-440)
10K → 15K
27:36 | 8:53/mi
20K· 12.43 mi
1:49:09
Rank: #19245 (-118)
15K → 20K
27:56 | 8:59/mi
Half· 13.11 mi
1:55:29
Rank: #19375 (-130)
20K → Half
6:20 | 9:17/mi
25K· 15.53 mi
2:19:02
Rank: #19889 (-514)
Half → 25K
23:33 | 9:43/mi
30K· 18.64 mi
2:50:13
Rank: #20205 (-316)
25K → 30K
31:11 | 10:02/mi
20M
3:04:12
Rank: #20286 (-81)
30K → 20M
13:59 | 10:17/mi
21M
3:15:10
Rank: #20312 (-26)
20M → 21M
10:58 | 10:58/mi
35K· 21.75 mi
3:22:56
Rank: #20386 (-74)
21M → 35K
7:46 | 10:23/mi
23M
3:36:13
Rank: #20465 (-79)
35K → 23M
13:17 | 10:37/mi
24M
3:46:40
Rank: #20533 (-68)
23M → 24M
10:27 | 10:27/mi
40K· 24.85 mi
3:55:55
Rank: #20613 (-80)
24M → 40K
9:15 | 10:49/mi
25.2M
3:59:51
Rank: #20627 (-14)
40K → 25.2M
3:56 | 11:24/mi
Finish· 26.22 mi
4:10:12
Rank: #20687 (-60)
25.2M → Finish
10:21 | 10:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:29
Pace8:49 /mi
2nd Half
Distance13.11 mi
Time2:14:43
Pace10:17 /mi
📊Positive Split: 16.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:1226:348:3326:34
8:33
-
10K
6.21 mi12:10:1553:378:3827:03
8:42
+0:09
15K
9.32 mi12:37:511:21:138:4327:36
8:53
+0:11
20K
12.43 mi13:05:471:49:098:4727:56
8:59
+0:06
Half
13.11 mi13:12:071:55:298:496:20
9:17
+0:18
25K
15.53 mi13:35:402:19:028:5723:33
9:43
+0:26
30K
18.64 mi14:06:512:50:139:0831:11
10:02
+0:19
20M
20.00 mi14:20:503:04:129:1313:59
10:17
+0:15
21M
21.00 mi14:31:483:15:109:1810:58
10:58
+0:41
35K
21.75 mi14:39:343:22:569:207:46
10:23
-0:35
23M
23.00 mi14:52:513:36:139:2413:17
10:37
+0:14
24M
24.00 mi15:03:183:46:409:2710:27
10:27
-0:10
40K
24.85 mi15:12:333:55:559:309:15
10:49
+0:22
25.2M
25.20 mi15:16:293:59:519:313:56
11:24
+0:35
Finish
26.22 mi15:26:504:10:129:3310:21
10:09
-1:15

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

8:33 /mi

Average Pace

9:33 /mi

Slowest Pace

11:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:19:02

56% of race

Time at Steady Pace

1:13:44

29% of race

Time at Slower Pace

37:26

15% of race

Average Pace: 9:33 /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 mi11:43:1226:348:3326:34
8:33
#17932
10K
6.21 mi12:10:1553:378:3827:03
8:42
#18687
15K
9.32 mi12:37:511:21:138:4327:36
8:53
#19127
20K
12.43 mi13:05:471:49:098:4727:56
8:59
#19245
Half
13.11 mi13:12:071:55:298:496:20
9:17
#19375
25K
15.53 mi13:35:402:19:028:5723:33
9:43
#19889
30K
18.64 mi14:06:512:50:139:0831:11
10:02
#20205
20M
20.00 mi14:20:503:04:129:1313:59
10:17
#20286
21M
21.00 mi14:31:483:15:109:1810:58
10:58
#20312
35K
21.75 mi14:39:343:22:569:207:46
10:23
#20386
23M
23.00 mi14:52:513:36:139:2413:17
10:37
#20465
24M
24.00 mi15:03:183:46:409:2710:27
10:27
#20533
40K
24.85 mi15:12:333:55:559:309:15
10:49
#20613
25.2M
25.20 mi15:16:293:59:519:313:56
11:24
#20627
Finish
26.22 mi15:26:504:10:129:3310:21
10:09
#20687
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi179326510651019963(Top 75%)7666(Top 67%)7666(Top 157%)
10K6.21 mi3.10 mi18687-7556939-4296939-42919481(Top 73%)7375(Top 65%)7375(Top 151%)
15K9.32 mi3.11 mi19127-4407212-2737212-27319963(Top 75%)7666(Top 67%)7666(Top 157%)
20K12.43 mi3.11 mi19245-1187267-557267-5519664(Top 74%)7482(Top 65%)7482(Top 153%)
Half13.11 mi0.68 mi19375-1307352-857352-8521464(Top 81%)8493(Top 74%)8493(Top 174%)
25K15.53 mi2.42 mi19889-5147652-3007652-30021508(Top 81%)8560(Top 75%)8560(Top 175%)
30K18.64 mi3.11 mi20205-3167845-1937845-19321136(Top 79%)8423(Top 74%)8423(Top 172%)
20M20.00 mi1.36 mi20286-817908-637908-6321251(Top 80%)8551(Top 75%)8551(Top 175%)
21M21.00 mi1.00 mi20312-267927-197927-1920767(Top 78%)8336(Top 73%)8336(Top 171%)
35K21.75 mi0.75 mi20386-747978-517978-5122165(Top 83%)9142(Top 80%)9142(Top 187%)
23M23.00 mi1.25 mi20465-798036-588036-5821579(Top 81%)8835(Top 77%)8835(Top 181%)
24M24.00 mi1.00 mi20533-688081-458081-4521924(Top 82%)9060(Top 79%)9060(Top 186%)
40K24.85 mi0.85 mi20613-808138-578138-5721977(Top 83%)9137(Top 80%)9137(Top 187%)
25.2M25.20 mi0.35 mi20627-148149-118149-1121369(Top 80%)8788(Top 77%)8788(Top 180%)
Finish26.22 mi1.02 mi20687-608192-438192-4322179(Top 83%)9213(Top 81%)9213(Top 189%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

19963

Females

7666

F18-39

7666

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

19481

Females

7375

F18-39

7375

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

19963

Females

7666

F18-39

7666

15K→20K

9.3 - 12.4 mi

Top 74%
×5stories
+106ft-86ft

Overall

19664

Females

7482

F18-39

7482

20K→Half

12.4 - 13.1 mi

Top 81%
×2stories
+19ft-37ft

Overall

21464

Females

8493

F18-39

8493

Half→25K

13.1 - 15.5 mi

Top 81%
×4stories
+66ft-88ft

Overall

21508

Females

8560

F18-39

8560

25K→30K

15.5 - 18.6 mi

Top 79%
×9stories
+181ft-148ft

Overall

21136

Females

8423

F18-39

8423

30K→20M

18.6 - 20.0 mi

Top 80%
×5stories
+64ft-50ft

Overall

21251

Females

8551

F18-39

8551

20M→21M

20.0 - 21.0 mi

Top 78%
×8stories
+106ft-24ft

Overall

20767

Females

8336

F18-39

8336

21M→35K

21.0 - 21.8 mi

Top 83%
×7stories
+17ft-86ft

Overall

22165

Females

9142

F18-39

9142

35K→23M

21.8 - 23.0 mi

Top 81%
×5stories
+23ft-63ft

Overall

21579

Females

8835

F18-39

8835

23M→24M

23.0 - 24.0 mi

Top 82%
×6stories
+12ft-82ft

Overall

21924

Females

9060

F18-39

9060

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

21977

Females

9137

F18-39

9137

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

21369

Females

8788

F18-39

8788

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

22179

Females

9213

F18-39

9213

Passing Analysis

Category:
Athletes Passed
641
Passed By
3396
Net Change
-2755
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17932
5K → 10K93848-755#17932#18687
10K → 15K66506-440#18687#19127
15K → 20K111229-118#19127#19245
20K → Half5135-130#19245#19375
Half → 25K24538-514#19375#19889
25K → 30K73389-316#19889#20205
30K → 20M58139-81#20205#20286
20M → 21M6490-26#20286#20312
21M → 35K26100-74#20312#20386
35K → 23M41120-79#20386#20465
23M → 24M2391-68#20465#20533
24M → 40K23103-80#20533#20613
40K → 25.2M1024-14#20613#20627
25.2M → Finish2484-60#20627#20687
TOTALS6413396-2755
📊

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