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BOSTON MARATHON 2023

Katherine Sverapa

Bib: 17976•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 46%
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
26:50
Rank: #18468
Start → 5K
8:38/mi
26:50 split
10K· 6.21 mi
53:23
Rank: #18482 (-14)
5K → 10K
8:33/mi
26:33 split
15K· 9.32 mi
1:19:34
Rank: #18089 (+393)
10K → 15K
8:26/mi
26:11 split
20K· 12.43 mi
1:45:49
Rank: #17657 (+432)
15K → 20K
8:27/mi
26:15 split
Half· 13.11 mi
1:51:29
Rank: #17596 (+61)
20K → Half
8:18/mi
5:40 split
25K· 15.53 mi
2:12:02
Rank: #17311 (+285)
Half → 25K
8:29/mi
20:33 split
30K· 18.64 mi
2:38:41
Rank: #16845 (+466)
25K → 30K
8:35/mi
26:39 split
20M
2:50:16
Rank: #16620 (+225)
30K → 20M
8:31/mi
11:35 split
21M
2:59:08
Rank: #16375 (+245)
20M → 21M
8:52/mi
8:52 split
35K· 21.75 mi
3:05:13
Rank: #16254 (+121)
21M → 35K
8:08/mi
6:05 split
23M
3:15:43
Rank: #16017 (+237)
35K → 23M
8:23/mi
10:30 split
24M
3:23:59
Rank: #15880 (+137)
23M → 24M
8:16/mi
8:16 split
40K· 24.85 mi
3:31:12
Rank: #15756 (+124)
24M → 40K
8:26/mi
7:13 split
25.2M
3:34:19
Rank: #15699 (+57)
40K → 25.2M
9:02/mi
3:07 split
Finish· 26.22 mi
3:42:27
Rank: #15552 (+147)
25.2M → Finish
7:59/mi
8:08 split

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:51:29
Pace8:30 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:50:58
Pace8:28 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:5426:508:3826:50
8:38
-
10K
6.21 mi11:48:2753:238:3526:33
8:33
-0:05
15K
9.32 mi12:14:381:19:348:3226:11
8:26
-0:07
20K
12.43 mi12:40:531:45:498:3126:15
8:27
+0:01
Half
13.11 mi12:46:331:51:298:305:40
8:18
-0:09
25K
15.53 mi13:07:062:12:028:3020:33
8:29
+0:11
30K
18.64 mi13:33:452:38:418:3126:39
8:35
+0:06
20M
20.00 mi13:45:202:50:168:3111:35
8:31
-0:04
21M
21.00 mi13:54:122:59:088:328:52
8:52
+0:21
35K
21.75 mi14:00:173:05:138:316:05
8:08
-0:44
23M
23.00 mi14:10:473:15:438:3110:30
8:23
+0:15
24M
24.00 mi14:19:033:23:598:308:16
8:16
-0:07
40K
24.85 mi14:26:163:31:128:307:13
8:26
+0:10
25.2M
25.20 mi14:29:233:34:198:303:07
9:02
+0:36
Finish
26.22 mi14:37:313:42:278:298:08
7:59
-1:03

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

7:59 /mi

Average Pace

8:29 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:30:28

95% of race

Time at Steady Pace

11:59

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:29 /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 mi11:21:5426:508:3826:50
8:38
#18468
10K
6.21 mi11:48:2753:238:3526:33
8:33
#18482
15K
9.32 mi12:14:381:19:348:3226:11
8:26
#18089
20K
12.43 mi12:40:531:45:498:3126:15
8:27
#17657
Half
13.11 mi12:46:331:51:298:305:40
8:18
#17596
25K
15.53 mi13:07:062:12:028:3020:33
8:29
#17311
30K
18.64 mi13:33:452:38:418:3126:39
8:35
#16845
20M
20.00 mi13:45:202:50:168:3111:35
8:31
#16620
21M
21.00 mi13:54:122:59:088:328:52
8:52
#16375
35K
21.75 mi14:00:173:05:138:316:05
8:08
#16254
23M
23.00 mi14:10:473:15:438:3110:30
8:23
#16017
24M
24.00 mi14:19:033:23:598:308:16
8:16
#15880
40K
24.85 mi14:26:163:31:128:307:13
8:26
#15756
25.2M
25.20 mi14:29:233:34:198:303:07
9:02
#15699
Finish
26.22 mi14:37:313:42:278:298:08
7:59
#15552
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi184686849684917319(Top 65%)6113(Top 54%)6113(Top 125%)
10K6.21 mi3.10 mi18482-146815+346815+3418530(Top 70%)6783(Top 59%)6783(Top 139%)
15K9.32 mi3.11 mi18089+3936575+2406575+24017319(Top 65%)6113(Top 54%)6113(Top 125%)
20K12.43 mi3.11 mi17657+4326313+2626313+26216540(Top 62%)5668(Top 50%)5668(Top 116%)
Half13.11 mi0.68 mi17596+616277+366277+3616533(Top 62%)5616(Top 49%)5616(Top 115%)
25K15.53 mi2.42 mi17311+2856122+1556122+15516056(Top 60%)5474(Top 48%)5474(Top 112%)
30K18.64 mi3.11 mi16845+4665868+2545868+25414796(Top 56%)4814(Top 42%)4814(Top 99%)
20M20.00 mi1.36 mi16620+2255767+1015767+10113807(Top 52%)4306(Top 38%)4306(Top 88%)
21M21.00 mi1.00 mi16375+2455640+1275640+12712705(Top 48%)3801(Top 33%)3801(Top 78%)
35K21.75 mi0.75 mi16254+1215578+625578+6213070(Top 49%)4056(Top 36%)4056(Top 83%)
23M23.00 mi1.25 mi16017+2375470+1085470+10812533(Top 47%)3823(Top 33%)3823(Top 78%)
24M24.00 mi1.00 mi15880+1375407+635407+6313103(Top 49%)4192(Top 37%)4192(Top 86%)
40K24.85 mi0.85 mi15756+1245337+705337+7013020(Top 49%)4224(Top 37%)4224(Top 86%)
25.2M25.20 mi0.35 mi15699+575303+345303+3412833(Top 48%)4166(Top 36%)4166(Top 85%)
Finish26.22 mi1.02 mi15552+1475237+665237+6612040(Top 45%)3738(Top 33%)3738(Top 77%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

17319

Females

6113

F18-39

6113

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

18530

Females

6783

F18-39

6783

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

17319

Females

6113

F18-39

6113

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

16540

Females

5668

F18-39

5668

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

16533

Females

5616

F18-39

5616

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

16056

Females

5474

F18-39

5474

25K→30K

15.5 - 18.6 mi

Top 56%
×9story building
+181ft-148ft

Overall

14796

Females

4814

F18-39

4814

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

13807

Females

4306

F18-39

4306

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

12705

Females

3801

F18-39

3801

21M→35K

21.0 - 21.8 mi

Top 49%
×7story building
+17ft-86ft

Overall

13070

Females

4056

F18-39

4056

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

12533

Females

3823

F18-39

3823

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

13103

Females

4192

F18-39

4192

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13020

Females

4224

F18-39

4224

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

12833

Females

4166

F18-39

4166

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

12040

Females

3738

F18-39

3738

Passing Analysis

Category:
Athletes Passed
3421
Passed By
505
Net Change
+2916
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18468
5K → 10K323337-14#18468#18482
10K → 15K44249+393#18482#18089
15K → 20K46432+432#18089#17657
20K → Half687+61#17657#17596
Half → 25K29712+285#17596#17311
25K → 30K4759+466#17311#16845
30K → 20M2316+225#16845#16620
20M → 21M2472+245#16620#16375
21M → 35K1298+121#16375#16254
35K → 23M2447+237#16254#16017
23M → 24M15215+137#16017#15880
24M → 40K13511+124#15880#15756
40K → 25.2M625+57#15756#15699
25.2M → Finish1525+147#15699#15552
TOTALS3421505+2916
📊

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