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BOSTON MARATHON 2023

Liz Casatelli

Bib: 20719•F

NY

Masters
Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 26622
Top 35%
Gender (Female)
#0 / 11423
Top 16%
Masters (Masters Women)
#0 / 6539
Top 6%
Age Group (F45-49)
#0 / 1817
Top 6%
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
23:47
Rank: #11068
Start → 5K
23:47 | 7:39/mi
10K· 6.21 mi
47:52
Rank: #11845 (-777)
5K → 10K
24:05 | 7:45/mi
15K· 9.32 mi
1:11:43
Rank: #11733 (+112)
10K → 15K
23:51 | 7:41/mi
20K· 12.43 mi
1:35:20
Rank: #11276 (+457)
15K → 20K
23:37 | 7:36/mi
Half· 13.11 mi
1:40:26
Rank: #11203 (+73)
20K → Half
5:06 | 7:29/mi
25K· 15.53 mi
1:58:38
Rank: #10798 (+405)
Half → 25K
18:12 | 7:30/mi
30K· 18.64 mi
2:22:24
Rank: #10288 (+510)
25K → 30K
23:46 | 7:39/mi
20M
2:32:46
Rank: #10058 (+230)
30K → 20M
10:22 | 7:38/mi
21M
2:40:54
Rank: #9909 (+149)
20M → 21M
8:08 | 8:08/mi
35K· 21.75 mi
2:46:30
Rank: #9844 (+65)
21M → 35K
5:36 | 7:29/mi
23M
2:56:04
Rank: #9649 (+195)
35K → 23M
9:34 | 7:38/mi
24M
3:03:32
Rank: #9540 (+109)
23M → 24M
7:28 | 7:28/mi
40K· 24.85 mi
3:09:58
Rank: #9400 (+140)
24M → 40K
6:26 | 7:31/mi
25.2M
3:12:48
Rank: #9358 (+42)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:20:27
Rank: #9324 (+34)
25.2M → Finish
7:39 | 7:30/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via Half
Distance13.11 mi
Time1:40:26
Pace7:40 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:40:01
Pace7:38 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:3323:477:3923:47
7:39
-
10K
6.21 mi11:46:3847:527:4224:05
7:45
+0:06
15K
9.32 mi12:10:291:11:437:4223:51
7:41
-0:04
20K
12.43 mi12:34:061:35:207:4023:37
7:36
-0:05
Half
13.11 mi12:39:121:40:267:405:06
7:29
-0:07
25K
15.53 mi12:57:241:58:387:3818:12
7:30
+0:01
30K
18.64 mi13:21:102:22:247:3823:46
7:39
+0:09
20M
20.00 mi13:31:322:32:467:3810:22
7:38
-0:01
21M
21.00 mi13:39:402:40:547:408:08
8:08
+0:30
35K
21.75 mi13:45:162:46:307:395:36
7:29
-0:39
23M
23.00 mi13:54:502:56:047:399:34
7:38
+0:09
24M
24.00 mi14:02:183:03:327:397:28
7:28
-0:10
40K
24.85 mi14:08:443:09:587:396:26
7:31
+0:03
25.2M
25.20 mi14:11:343:12:487:392:50
8:13
+0:42
Finish
26.22 mi14:19:133:20:277:397:39
7:30
-0:43

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

7:28 /mi

Average Pace

7:39 /mi

Slowest Pace

8:13 /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

3:17:37

99% of race

Time at Steady Pace

2:50

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:39 /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 mi11:22:3323:477:3923:47
7:39
#11068
10K
6.21 mi11:46:3847:527:4224:05
7:45
#11845
15K
9.32 mi12:10:291:11:437:4223:51
7:41
#11733
20K
12.43 mi12:34:061:35:207:4023:37
7:36
#11276
Half
13.11 mi12:39:121:40:267:405:06
7:29
#11203
25K
15.53 mi12:57:241:58:387:3818:12
7:30
#10798
30K
18.64 mi13:21:102:22:247:3823:46
7:39
#10288
20M
20.00 mi13:31:322:32:467:3810:22
7:38
#10058
21M
21.00 mi13:39:402:40:547:408:08
8:08
#9909
35K
21.75 mi13:45:162:46:307:395:36
7:29
#9844
23M
23.00 mi13:54:502:56:047:399:34
7:38
#9649
24M
24.00 mi14:02:183:03:327:397:28
7:28
#9540
40K
24.85 mi14:08:443:09:587:396:26
7:31
#9400
25.2M
25.20 mi14:11:343:12:487:392:50
8:13
#9358
Finish
26.22 mi14:19:133:20:277:397:39
7:30
#9324
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi110682364236411646(Top 44%)2697(Top 24%)2697(Top 148%)
10K6.21 mi3.10 mi11845-7772785-4212785-42112696(Top 48%)3249(Top 28%)3249(Top 179%)
15K9.32 mi3.11 mi11733+1122748+372748+3711646(Top 44%)2697(Top 24%)2697(Top 148%)
20K12.43 mi3.11 mi11276+4572485+2632485+26310116(Top 38%)1972(Top 17%)1972(Top 109%)
Half13.11 mi0.68 mi11203+732441+442441+4410080(Top 38%)1916(Top 17%)1916(Top 105%)
25K15.53 mi2.42 mi10798+4052249+1922249+1928857(Top 33%)1508(Top 13%)1508(Top 83%)
30K18.64 mi3.11 mi10288+5102047+2022047+2028312(Top 31%)1436(Top 13%)1436(Top 79%)
20M20.00 mi1.36 mi10058+2301950+971950+977714(Top 29%)1302(Top 11%)1302(Top 72%)
21M21.00 mi1.00 mi9909+1491908+421908+428231(Top 31%)1627(Top 14%)1627(Top 90%)
35K21.75 mi0.75 mi9844+651893+151893+158494(Top 32%)1693(Top 15%)1693(Top 93%)
23M23.00 mi1.25 mi9649+1951840+531840+537400(Top 28%)1342(Top 12%)1342(Top 74%)
24M24.00 mi1.00 mi9540+1091815+251815+257515(Top 28%)1498(Top 13%)1498(Top 82%)
40K24.85 mi0.85 mi9400+1401789+261789+266893(Top 26%)1324(Top 12%)1324(Top 73%)
25.2M25.20 mi0.35 mi9358+421783+61783+67856(Top 30%)1768(Top 15%)1768(Top 97%)
Finish26.22 mi1.02 mi9324+341789-61789-68626(Top 32%)2076(Top 18%)2076(Top 114%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21stories
+97ft-345ft

Overall

11646

Females

2697

F45-49

2697

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

12696

Females

3249

F45-49

3249

10K→15K

6.2 - 9.3 mi

Top 44%
×3stories
+67ft-78ft

Overall

11646

Females

2697

F45-49

2697

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10116

Females

1972

F45-49

1972

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10080

Females

1916

F45-49

1916

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

8857

Females

1508

F45-49

1508

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

8312

Females

1436

F45-49

1436

30K→20M

18.6 - 20.0 mi

Top 29%
×5stories
+64ft-50ft

Overall

7714

Females

1302

F45-49

1302

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

8231

Females

1627

F45-49

1627

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

8494

Females

1693

F45-49

1693

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

7400

Females

1342

F45-49

1342

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

7515

Females

1498

F45-49

1498

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

6893

Females

1324

F45-49

1324

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

7856

Females

1768

F45-49

1768

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2stories
+22ft-21ft

Overall

8626

Females

2076

F45-49

2076

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2878*
Passed By
1134
Net Change
+1744
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11068
5K → 10K83860-777#11068#11845
10K → 15K240128+112#11845#11733
15K → 20K46912+457#11733#11276
20K → Half785+73#11276#11203
Half → 25K4094+405#11203#10798
25K → 30K52010+510#10798#10288
30K → 20M235*5+230#10288#10058
20M → 21M172*23+149#10058#9909
21M → 35K7712+65#9909#9844
35K → 23M20611+195#9844#9649
23M → 24M12314+109#9649#9540
24M → 40K147*7+140#9540#9400
40K → 25.2M5210+42#9400#9358
25.2M → Finish6733+34#9358#9324
TOTALS2878*1134+1744

* 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