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BOSTON MARATHON 2023

Chloe Scherpa

Bib: 17877•F

MA

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0:00
0:00
/ mi
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Overall
#0 / 26622
Top 47%
Gender (Female)
#0 / 11423
Top 30%
Age Group (F18-39)
#0 / 4884
Top 48%
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
24:12
Rank: #12269
Start → 5K
24:12 | 7:47/mi
10K· 6.21 mi
48:14
Rank: #12389 (-120)
5K → 10K
24:02 | 7:44/mi
15K· 9.32 mi
1:12:49
Rank: #12805 (-416)
10K → 15K
24:35 | 7:55/mi
20K· 12.43 mi
1:37:47
Rank: #13028 (-223)
15K → 20K
24:58 | 8:02/mi
Half· 13.11 mi
1:43:16
Rank: #13105 (-77)
20K → Half
5:29 | 8:02/mi
25K· 15.53 mi
2:03:10
Rank: #13300 (-195)
Half → 25K
19:54 | 8:12/mi
30K· 18.64 mi
2:28:49
Rank: #13158 (+142)
25K → 30K
25:39 | 8:15/mi
20M
2:40:04
Rank: #13079 (+79)
30K → 20M
11:15 | 8:17/mi
21M
2:48:41
Rank: #12926 (+153)
20M → 21M
8:37 | 8:37/mi
35K· 21.75 mi
2:54:45
Rank: #12913 (+13)
21M → 35K
6:04 | 8:07/mi
23M
3:05:06
Rank: #12825 (+88)
35K → 23M
10:21 | 8:16/mi
24M
3:13:10
Rank: #12753 (+72)
23M → 24M
8:04 | 8:04/mi
40K· 24.85 mi
3:20:10
Rank: #12691 (+62)
24M → 40K
7:00 | 8:11/mi
25.2M
3:23:08
Rank: #12653 (+38)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:31:04
Rank: #12561 (+92)
25.2M → Finish
7:56 | 7:47/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
Time1:43:16
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:47:48
Pace8:13 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:4924:127:4724:12
7:47
-
10K
6.21 mi11:38:5148:147:4624:02
7:44
-0:03
15K
9.32 mi12:03:261:12:497:4924:35
7:55
+0:11
20K
12.43 mi12:28:241:37:477:5224:58
8:02
+0:07
Half
13.11 mi12:33:531:43:167:535:29
8:02
0:00
25K
15.53 mi12:53:472:03:107:5619:54
8:12
+0:10
30K
18.64 mi13:19:262:28:497:5925:39
8:15
+0:03
20M
20.00 mi13:30:412:40:048:0011:15
8:17
+0:02
21M
21.00 mi13:39:182:48:418:028:37
8:37
+0:20
35K
21.75 mi13:45:222:54:458:026:04
8:07
-0:30
23M
23.00 mi13:55:433:05:068:0310:21
8:16
+0:09
24M
24.00 mi14:03:473:13:108:038:04
8:04
-0:12
40K
24.85 mi14:10:473:20:108:037:00
8:11
+0:07
25.2M
25.20 mi14:13:453:23:088:042:58
8:36
+0:25
Finish
26.22 mi14:21:413:31:048:037:56
7:47
-0:49

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

7:44 /mi

Average Pace

8:03 /mi

Slowest Pace

8:37 /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

3:19:29

95% of race

Time at Steady Pace

11:35

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:03 /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 mi11:14:4924:127:4724:12
7:47
#12269
10K
6.21 mi11:38:5148:147:4624:02
7:44
#12389
15K
9.32 mi12:03:261:12:497:4924:35
7:55
#12805
20K
12.43 mi12:28:241:37:477:5224:58
8:02
#13028
Half
13.11 mi12:33:531:43:167:535:29
8:02
#13105
25K
15.53 mi12:53:472:03:107:5619:54
8:12
#13300
30K
18.64 mi13:19:262:28:497:5925:39
8:15
#13158
20M
20.00 mi13:30:412:40:048:0011:15
8:17
#13079
21M
21.00 mi13:39:182:48:418:028:37
8:37
#12926
35K
21.75 mi13:45:222:54:458:026:04
8:07
#12913
23M
23.00 mi13:55:433:05:068:0310:21
8:16
#12825
24M
24.00 mi14:03:473:13:108:038:04
8:04
#12753
40K
24.85 mi14:10:473:20:108:037:00
8:11
#12691
25.2M
25.20 mi14:13:453:23:088:042:58
8:36
#12653
Finish
26.22 mi14:21:413:31:048:037:56
7:47
#12561
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi122693020302013680(Top 51%)3886(Top 34%)3886(Top 80%)
10K6.21 mi3.10 mi12389-1203100-803100-8012570(Top 47%)3190(Top 28%)3190(Top 65%)
15K9.32 mi3.11 mi12805-4163340-2403340-24013680(Top 51%)3886(Top 34%)3886(Top 80%)
20K12.43 mi3.11 mi13028-2233501-1613501-16113733(Top 52%)3953(Top 35%)3953(Top 81%)
Half13.11 mi0.68 mi13105-773545-443545-4414670(Top 55%)4466(Top 39%)4466(Top 91%)
25K15.53 mi2.42 mi13300-1953682-1373682-13714287(Top 54%)4379(Top 38%)4379(Top 90%)
30K18.64 mi3.11 mi13158+1423643+393643+3912731(Top 48%)3597(Top 31%)3597(Top 74%)
20M20.00 mi1.36 mi13079+793609+343609+3412231(Top 46%)3413(Top 30%)3413(Top 70%)
21M21.00 mi1.00 mi12926+1533544+653544+6511192(Top 42%)2974(Top 26%)2974(Top 61%)
35K21.75 mi0.75 mi12913+133556-123556-1212869(Top 48%)3922(Top 34%)3922(Top 80%)
23M23.00 mi1.25 mi12825+883522+343522+3411661(Top 44%)3335(Top 29%)3335(Top 68%)
24M24.00 mi1.00 mi12753+723503+193503+1911726(Top 44%)3445(Top 30%)3445(Top 71%)
40K24.85 mi0.85 mi12691+623487+163487+1611299(Top 42%)3308(Top 29%)3308(Top 68%)
25.2M25.20 mi0.35 mi12653+383473+143473+1410254(Top 39%)2834(Top 25%)2834(Top 58%)
Finish26.22 mi1.02 mi12561+923444+293444+2910608(Top 40%)3000(Top 26%)3000(Top 61%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

13680

Females

3886

F18-39

3886

5K→10K

3.1 - 6.2 mi

Top 47%
×5stories
+79ft-138ft

Overall

12570

Females

3190

F18-39

3190

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

13680

Females

3886

F18-39

3886

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

13733

Females

3953

F18-39

3953

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

14670

Females

4466

F18-39

4466

Half→25K

13.1 - 15.5 mi

Top 54%
×4stories
+66ft-88ft

Overall

14287

Females

4379

F18-39

4379

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

12731

Females

3597

F18-39

3597

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

12231

Females

3413

F18-39

3413

20M→21M

20.0 - 21.0 mi

Top 42%
×8stories
+106ft-24ft

Overall

11192

Females

2974

F18-39

2974

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

12869

Females

3922

F18-39

3922

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

11661

Females

3335

F18-39

3335

23M→24M

23.0 - 24.0 mi

Top 44%
×6stories
+12ft-82ft

Overall

11726

Females

3445

F18-39

3445

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11299

Females

3308

F18-39

3308

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10254

Females

2834

F18-39

2834

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

10608

Females

3000

F18-39

3000

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1677
Passed By
1969
Net Change
-292
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12269
5K → 10K264384-120#12269#12389
10K → 15K80496-416#12389#12805
15K → 20K123346-223#12805#13028
20K → Half1087-77#13028#13105
Half → 25K91286-195#13105#13300
25K → 30K253111+142#13300#13158
30K → 20M12647+79#13158#13079
20M → 21M18330+153#13079#12926
21M → 35K5340+13#12926#12913
35K → 23M13244+88#12913#12825
23M → 24M10331+72#12825#12753
24M → 40K9230+62#12753#12691
40K → 25.2M479+38#12691#12653
25.2M → Finish12028+92#12653#12561
TOTALS16771969-292
📊

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