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BOSTON MARATHON 2023

Samantha Mauser

Bib: 12479•F

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 39%
Division (F18-39)
#0 / 4884
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
7:56/mi
24:39
↑ 97↓ 3451.5%
10K· 6.21 mi
8:13/mi
50:12
↑ 79↓ 1380.4%
15K· 9.32 mi
8:17/mi
1:15:55
↑ 67↓ 78
20K· 12.43 mi
8:15/mi
1:41:34
↑ 106↓ 860.1%
Half· 13.11 mi
7:59/mi
1:47:01
↑ 19↓ 370.5%
25K· 15.53 mi
8:17/mi
2:07:06
↑ 66↓ 880.2%
30K· 18.64 mi
8:30/mi
2:33:32
↑ 181↓ 1480.2%
20M
8:36/mi
2:45:13
↑ 64↓ 500.2%
21M
8:52/mi
2:54:05
↑ 106↓ 241.6%
35K· 21.75 mi
8:11/mi
3:00:12
↑ 17↓ 861.7%
23M
8:29/mi
3:10:49
↑ 23↓ 630.6%
24M
8:29/mi
3:19:18
↓ 821.3%
40K· 24.85 mi
8:15/mi
3:26:21
↓ 200.3%
25.2M
8:39/mi
3:29:20
↑ 13↓ 160.2%
Finish· 26.22 mi
7:53/mi
3:37:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:01
Pace8:10 /mi
2nd Half
Distance13.11 mi
Time1:50:21
Pace8:25 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5624:397:5624:39
7:56
-
10K
6.21 mi11:17:2950:128:0525:33
8:13
+0:17
15K
9.32 mi11:43:121:15:558:0925:43
8:17
+0:04
20K
12.43 mi12:08:511:41:348:1025:39
8:15
-0:02
Half
13.11 mi12:14:181:47:018:105:27
7:59
-0:16
25K
15.53 mi12:34:232:07:068:1120:05
8:17
+0:18
30K
18.64 mi13:00:492:33:328:1426:26
8:30
+0:13
20M
20.00 mi13:12:302:45:138:1611:41
8:36
+0:06
21M
21.00 mi13:21:222:54:058:178:52
8:52
+0:16
35K
21.75 mi13:27:293:00:128:176:07
8:11
-0:41
23M
23.00 mi13:38:063:10:498:1810:37
8:29
+0:18
24M
24.00 mi13:46:353:19:188:188:29
8:29
0:00
40K
24.85 mi13:53:383:26:218:187:03
8:15
-0:14
25.2M
25.20 mi13:56:373:29:208:182:59
8:39
+0:24
Finish
26.22 mi14:04:393:37:228:188:02
7:53
-0:46

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

7:53 /mi

Average Pace

8:18 /mi

Slowest Pace

8:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:28:30

96% of race

Time at Steady Pace

8:52

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:17 /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 mi10:51:5624:397:5624:39
7:56
#13554
10K
6.21 mi11:17:2950:128:0525:33
8:13
#14971
15K
9.32 mi11:43:121:15:558:0925:43
8:17
#15457
20K
12.43 mi12:08:511:41:348:1025:39
8:15
#15396
Half
13.11 mi12:14:181:47:018:105:27
7:59
#15325
25K
15.53 mi12:34:232:07:068:1120:05
8:17
#15224
30K
18.64 mi13:00:492:33:328:1426:26
8:30
#15051
20M
20.00 mi13:12:302:45:138:1611:41
8:36
#14969
21M
21.00 mi13:21:222:54:058:178:52
8:52
#14814
35K
21.75 mi13:27:293:00:128:176:07
8:11
#14749
23M
23.00 mi13:38:063:10:498:1810:37
8:29
#14640
24M
24.00 mi13:46:353:19:188:188:29
8:29
#14606
40K
24.85 mi13:53:383:26:218:187:03
8:15
#14490
25.2M
25.20 mi13:56:373:29:208:182:59
8:39
#14421
Finish
26.22 mi14:04:393:37:228:188:02
7:53
#14286
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi135543756375616395(Top 62%)5527(Top 48%)5527(Top 113%)
10K6.21 mi3.10 mi14971-14174635-8794635-87916427(Top 62%)5526(Top 48%)5526(Top 113%)
15K9.32 mi3.11 mi15457-4864949-3144949-31416395(Top 62%)5527(Top 48%)5527(Top 113%)
20K12.43 mi3.11 mi15396+614924+254924+2515322(Top 58%)4913(Top 43%)4913(Top 101%)
Half13.11 mi0.68 mi15325+714891+334891+3314348(Top 54%)4292(Top 38%)4292(Top 88%)
25K15.53 mi2.42 mi15224+1014856+354856+3514849(Top 56%)4731(Top 41%)4731(Top 97%)
30K18.64 mi3.11 mi15051+1734785+714785+7114374(Top 54%)4550(Top 40%)4550(Top 93%)
20M20.00 mi1.36 mi14969+824750+354750+3514260(Top 54%)4572(Top 40%)4572(Top 94%)
21M21.00 mi1.00 mi14814+1554671+794671+7912692(Top 48%)3788(Top 33%)3788(Top 78%)
35K21.75 mi0.75 mi14749+654654+174654+1713319(Top 50%)4181(Top 37%)4181(Top 86%)
23M23.00 mi1.25 mi14640+1094612+424612+4213112(Top 49%)4133(Top 36%)4133(Top 85%)
24M24.00 mi1.00 mi14606+344621-94621-914398(Top 54%)4892(Top 43%)4892(Top 100%)
40K24.85 mi0.85 mi14490+1164569+524569+5211721(Top 44%)3533(Top 31%)3533(Top 72%)
25.2M25.20 mi0.35 mi14421+694540+294540+2910583(Top 40%)3009(Top 26%)3009(Top 62%)
Finish26.22 mi1.02 mi14286+1354473+674473+6711333(Top 43%)3371(Top 30%)3371(Top 69%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

16395

Females

5527

F18-39

5527

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

16427

Females

5526

F18-39

5526

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

16395

Females

5527

F18-39

5527

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

15322

Females

4913

F18-39

4913

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

14348

Females

4292

F18-39

4292

Half→25K

13.1 - 15.5 mi

Top 56%
×4story building
+66ft-88ft

Overall

14849

Females

4731

F18-39

4731

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

14374

Females

4550

F18-39

4550

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

14260

Females

4572

F18-39

4572

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

12692

Females

3788

F18-39

3788

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

13319

Females

4181

F18-39

4181

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

13112

Females

4133

F18-39

4133

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

14398

Females

4892

F18-39

4892

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

11721

Females

3533

F18-39

3533

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10583

Females

3009

F18-39

3009

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

11333

Females

3371

F18-39

3371

Passing Analysis

Category:
Athletes Passed
1765
Passed By
2497
Net Change
-732
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13554
5K → 10K231440-1417#13554#14971
10K → 15K56542-486#14971#15457
15K → 20K195134+61#15457#15396
20K → Half809+71#15396#15325
Half → 25K18483+101#15325#15224
25K → 30K26996+173#15224#15051
30K → 20M12341+82#15051#14969
20M → 21M17217+155#14969#14814
21M → 35K8318+65#14814#14749
35K → 23M14233+109#14749#14640
23M → 24M9157+34#14640#14606
24M → 40K12711+116#14606#14490
40K → 25.2M712+69#14490#14421
25.2M → Finish14914+135#14421#14286
TOTALS17652497-732
📊

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