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BOSTON MARATHON 2023

Amy Skorich

Bib: 17531•F

NC

Masters
Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 26622
Top 50%
Gender (Female)
#0 / 11423
Top 34%
Masters (Masters Women)
#0 / 6539
Top 20%
Age Group (F40-44)
#0 / 1878
Top 38%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
23:53
Rank: #11351
Start → 5K
23:53 | 7:41/mi
10K· 6.21 mi
46:47
Rank: #10311 (+1040)
5K → 10K
22:54 | 7:22/mi
15K· 9.32 mi
1:09:31
Rank: #9680 (+631)
10K → 15K
22:44 | 7:19/mi
20K· 12.43 mi
1:35:38
Rank: #11504 (-1824)
15K → 20K
26:07 | 8:24/mi
Half· 13.11 mi
1:40:44
Rank: #11406 (+98)
20K → Half
5:06 | 7:29/mi
25K· 15.53 mi
2:03:43
Rank: #13592 (-2186)
Half → 25K
22:59 | 9:29/mi
30K· 18.64 mi
2:33:45
Rank: #15112 (-1520)
25K → 30K
30:02 | 9:40/mi
20M
2:44:42
Rank: #14813 (+299)
30K → 20M
10:57 | 8:03/mi
21M
2:53:30
Rank: #14635 (+178)
20M → 21M
8:48 | 8:48/mi
35K· 21.75 mi
2:58:56
Rank: #14363 (+272)
21M → 35K
5:26 | 7:16/mi
23M
3:10:02
Rank: #14419 (-56)
35K → 23M
11:06 | 8:52/mi
24M
3:17:38
Rank: #14134 (+285)
23M → 24M
7:36 | 7:36/mi
40K· 24.85 mi
3:24:03
Rank: #13838 (+296)
24M → 40K
6:25 | 7:30/mi
25.2M
3:26:44
Rank: #13680 (+158)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
3:33:46
Rank: #13264 (+416)
25.2M → Finish
7:02 | 6:54/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.11 mi
Time1:40:44
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:53:02
Pace8:37 /mi
📊Positive Split: 12.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:0623:537:4123:53
7:41
-
10K
6.21 mi11:38:0046:477:3222:54
7:22
-0:19
15K
9.32 mi12:00:441:09:317:2822:44
7:19
-0:03
20K
12.43 mi12:26:511:35:387:4226:07
8:24
+1:05
Half
13.11 mi12:31:571:40:447:415:06
7:29
-0:55
25K
15.53 mi12:54:562:03:437:5822:59
9:29
+2:00
30K
18.64 mi13:24:582:33:458:1530:02
9:40
+0:11
20M
20.00 mi13:35:552:44:428:1410:57
8:03
-1:37
21M
21.00 mi13:44:432:53:308:168:48
8:48
+0:45
35K
21.75 mi13:50:092:58:568:145:26
7:16
-1:32
23M
23.00 mi14:01:153:10:028:1611:06
8:52
+1:36
24M
24.00 mi14:08:513:17:388:147:36
7:36
-1:16
40K
24.85 mi14:15:163:24:038:136:25
7:30
-0:06
25.2M
25.20 mi14:17:573:26:448:122:41
7:47
+0:17
Finish
26.22 mi14:24:593:33:468:107:02
6:54
-0:53

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

6:54 /mi

Average Pace

8:10 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

12:28

6% of race

Time at Steady Pace

1:42:16

48% of race

Time at Slower Pace

1:39:02

46% of race

Average Pace: 8:09 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:15:0623:537:4123:53
7:41
#11351
10K
6.21 mi11:38:0046:477:3222:54
7:22
#10311
15K
9.32 mi12:00:441:09:317:2822:44
7:19
#9680
20K
12.43 mi12:26:511:35:387:4226:07
8:24
#11504
Half
13.11 mi12:31:571:40:447:415:06
7:29
#11406
25K
15.53 mi12:54:562:03:437:5822:59
9:29
#13592
30K
18.64 mi13:24:582:33:458:1530:02
9:40
#15112
20M
20.00 mi13:35:552:44:428:1410:57
8:03
#14813
21M
21.00 mi13:44:432:53:308:168:48
8:48
#14635
35K
21.75 mi13:50:092:58:568:145:26
7:16
#14363
23M
23.00 mi14:01:153:10:028:1611:06
8:52
#14419
24M
24.00 mi14:08:513:17:388:147:36
7:36
#14134
40K
24.85 mi14:15:163:24:038:136:25
7:30
#13838
25.2M
25.20 mi14:17:573:26:448:122:41
7:47
#13680
Finish
26.22 mi14:24:593:33:468:107:02
6:54
#13264
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi11351251625168722(Top 33%)1337(Top 12%)1337(Top 71%)
10K6.21 mi3.10 mi10311+10401979+5371979+5379412(Top 35%)1595(Top 14%)1595(Top 85%)
15K9.32 mi3.11 mi9680+6311701+2781701+2788722(Top 33%)1337(Top 12%)1337(Top 71%)
20K12.43 mi3.11 mi11504-18242622-9212622-92116277(Top 61%)5513(Top 48%)5513(Top 294%)
Half13.11 mi0.68 mi11406+982570+522570+5210131(Top 38%)1967(Top 17%)1967(Top 105%)
25K15.53 mi2.42 mi13592-21863860-12903860-129020770(Top 78%)8146(Top 71%)8146(Top 434%)
30K18.64 mi3.11 mi15112-15204828-9684828-96820025(Top 75%)7779(Top 68%)7779(Top 414%)
20M20.00 mi1.36 mi14813+2994645+1834645+18310753(Top 40%)2621(Top 23%)2621(Top 140%)
21M21.00 mi1.00 mi14635+1784569+764569+7612280(Top 46%)3557(Top 31%)3557(Top 189%)
35K21.75 mi0.75 mi14363+2724425+1444425+1446964(Top 26%)1105(Top 10%)1105(Top 59%)
23M23.00 mi1.25 mi14419-564484-594484-5915359(Top 58%)5368(Top 47%)5368(Top 286%)
24M24.00 mi1.00 mi14134+2854330+1544330+1548459(Top 32%)1878(Top 16%)1878(Top 100%)
40K24.85 mi0.85 mi13838+2964176+1544176+1546813(Top 26%)1298(Top 11%)1298(Top 69%)
25.2M25.20 mi0.35 mi13680+1584076+1004076+1005406(Top 20%)898(Top 8%)898(Top 48%)
Finish26.22 mi1.02 mi13264+4163857+2193857+2194689(Top 18%)641(Top 6%)641(Top 34%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21stories
+97ft-345ft

Overall

8722

Females

1337

F40-44

1337

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

9412

Females

1595

F40-44

1595

10K→15K

6.2 - 9.3 mi

Top 33%
×3stories
+67ft-78ft

Overall

8722

Females

1337

F40-44

1337

15K→20K

9.3 - 12.4 mi

Top 61%
×5stories
+106ft-86ft

Overall

16277

Females

5513

F40-44

5513

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10131

Females

1967

F40-44

1967

Half→25K

13.1 - 15.5 mi

Top 78%
×4stories
+66ft-88ft

Overall

20770

Females

8146

F40-44

8146

25K→30K

15.5 - 18.6 mi

Top 75%
×9stories
+181ft-148ft

Overall

20025

Females

7779

F40-44

7779

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

10753

Females

2621

F40-44

2621

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

12280

Females

3557

F40-44

3557

21M→35K

21.0 - 21.8 mi

Top 26%
×7stories
+17ft-86ft

Overall

6964

Females

1105

F40-44

1105

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

15359

Females

5368

F40-44

5368

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

8459

Females

1878

F40-44

1878

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

6813

Females

1298

F40-44

1298

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5406

Females

898

F40-44

898

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

4689

Females

641

F40-44

641

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3833*
Passed By
5744
Net Change
-1913
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11351
5K → 10K1075*35+1040#11351#10311
10K → 15K645*14+631#10311#9680
15K → 20K71829-1824#9680#11504
20K → Half1013+98#11504#11406
Half → 25K12187-2186#11406#13592
25K → 30K141534-1520#13592#15112
30K → 20M3001+299#15112#14813
20M → 21M19416+178#14813#14635
21M → 35K2720+272#14635#14363
35K → 23M68124-56#14363#14419
23M → 24M2861+285#14419#14134
24M → 40K2960+296#14134#13838
40K → 25.2M1580+158#13838#13680
25.2M → Finish4160+416#13680#13264
TOTALS3833*5744-1913

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing