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BOSTON MARATHON 2023

Katherine Knapik

Bib: 26085•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
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
11:07/mi
34:32
↑ 97↓ 3451.5%
10K· 6.21 mi
11:25/mi
1:10:01
↑ 79↓ 1380.4%
15K· 9.32 mi
11:36/mi
1:46:02
↑ 67↓ 78
20K· 12.43 mi
11:19/mi
2:21:12
↑ 106↓ 860.1%
Half· 13.11 mi
11:46/mi
2:29:14
↑ 19↓ 370.5%
25K· 15.53 mi
10:50/mi
2:55:29
↑ 66↓ 880.2%
30K· 18.64 mi
11:06/mi
3:29:57
↑ 181↓ 1480.2%
20M
11:18/mi
3:45:18
↑ 64↓ 500.2%
21M
12:20/mi
3:57:38
↑ 106↓ 241.6%
35K· 21.75 mi
10:35/mi
4:05:33
↑ 17↓ 861.7%
23M
10:33/mi
4:18:45
↑ 23↓ 630.6%
24M
10:35/mi
4:29:20
↓ 821.3%
40K· 24.85 mi
10:47/mi
4:38:33
↓ 200.3%
25.2M
11:42/mi
4:42:35
↑ 13↓ 160.2%
Finish· 26.22 mi
9:43/mi
4:52:29
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:29:14
Pace11:23 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:23:15
Pace10:56 /mi
📊Negative Split: 4.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:4734:3211:0734:32
11:07
-
10K
6.21 mi12:30:161:10:0111:1635:29
11:25
+0:18
15K
9.32 mi13:06:171:46:0211:2336:01
11:36
+0:11
20K
12.43 mi13:41:272:21:1211:2235:10
11:19
-0:17
Half
13.11 mi13:49:292:29:1411:238:02
11:46
+0:27
25K
15.53 mi14:15:442:55:2911:1826:15
10:50
-0:56
30K
18.64 mi14:50:123:29:5711:1634:28
11:06
+0:16
20M
20.00 mi15:05:333:45:1811:1615:21
11:18
+0:12
21M
21.00 mi15:17:533:57:3811:1912:20
12:20
+1:02
35K
21.75 mi15:25:484:05:3311:177:55
10:35
-1:45
23M
23.00 mi15:39:004:18:4511:1513:12
10:33
-0:02
24M
24.00 mi15:49:354:29:2011:1310:35
10:35
+0:02
40K
24.85 mi15:58:484:38:3311:129:13
10:47
+0:12
25.2M
25.20 mi16:02:504:42:3511:134:02
11:42
+0:55
Finish
26.22 mi16:12:444:52:2911:109:54
9:43
-1:59

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

9:43 /mi

Average Pace

11:10 /mi

Slowest Pace

12:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

50:49

17% of race

Time at Steady Pace

3:01:15

62% of race

Time at Slower Pace

1:00:25

21% of race

Average Pace: 11:09 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:54:4734:3211:0734:32
11:07
#25829
10K
6.21 mi12:30:161:10:0111:1635:29
11:25
#25882
15K
9.32 mi13:06:171:46:0211:2336:01
11:36
#25865
20K
12.43 mi13:41:272:21:1211:2235:10
11:19
#25648
Half
13.11 mi13:49:292:29:1411:238:02
11:46
#25666
25K
15.53 mi14:15:442:55:2911:1826:15
10:50
#25377
30K
18.64 mi14:50:123:29:5711:1634:28
11:06
#25048
20M
20.00 mi15:05:333:45:1811:1615:21
11:18
#24935
21M
21.00 mi15:17:533:57:3811:1912:20
12:20
#24843
35K
21.75 mi15:25:484:05:3311:177:55
10:35
#24781
23M
23.00 mi15:39:004:18:4511:1513:12
10:33
#24632
24M
24.00 mi15:49:354:29:2011:1310:35
10:35
#24531
40K
24.85 mi15:58:484:38:3311:129:13
10:47
#24462
25.2M
25.20 mi16:02:504:42:3511:134:02
11:42
#24434
Finish
26.22 mi16:12:444:52:2911:109:54
9:43
#24345
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25829109411094125790(Top 97%)10914(Top 96%)10914(Top 223%)
10K6.21 mi3.10 mi25882-5310968-2710968-2725898(Top 97%)10978(Top 96%)10978(Top 225%)
15K9.32 mi3.11 mi25865+1710955+1310955+1325790(Top 97%)10914(Top 96%)10914(Top 223%)
20K12.43 mi3.11 mi25648+21710836+11910836+11925027(Top 94%)10494(Top 92%)10494(Top 215%)
Half13.11 mi0.68 mi25666-1810851-1510851-1525706(Top 97%)10903(Top 95%)10903(Top 223%)
25K15.53 mi2.42 mi25377+28910687+16410687+16423724(Top 89%)9808(Top 86%)9808(Top 201%)
30K18.64 mi3.11 mi25048+32910514+17310514+17323228(Top 87%)9586(Top 84%)9586(Top 196%)
20M20.00 mi1.36 mi24935+11310457+5710457+5723183(Top 87%)9617(Top 84%)9617(Top 197%)
21M21.00 mi1.00 mi24843+9210412+4510412+4523252(Top 87%)9682(Top 85%)9682(Top 198%)
35K21.75 mi0.75 mi24781+6210382+3010382+3022554(Top 85%)9357(Top 82%)9357(Top 192%)
23M23.00 mi1.25 mi24632+14910307+7510307+7521437(Top 81%)8759(Top 77%)8759(Top 179%)
24M24.00 mi1.00 mi24531+10110262+4510262+4522221(Top 83%)9226(Top 81%)9226(Top 189%)
40K24.85 mi0.85 mi24462+6910227+3510227+3521919(Top 82%)9113(Top 80%)9113(Top 187%)
25.2M25.20 mi0.35 mi24434+2810216+1110216+1121995(Top 83%)9138(Top 80%)9138(Top 187%)
Finish26.22 mi1.02 mi24345+8910175+4110175+4120873(Top 78%)8497(Top 74%)8497(Top 174%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21story building
+97ft-345ft

Overall

25790

Females

10914

F18-39

10914

5K→10K

3.1 - 6.2 mi

Top 97%
×5story building
+79ft-138ft

Overall

25898

Females

10978

F18-39

10978

10K→15K

6.2 - 9.3 mi

Top 97%
×3story building
+67ft-78ft

Overall

25790

Females

10914

F18-39

10914

15K→20K

9.3 - 12.4 mi

Top 94%
×5story building
+106ft-86ft

Overall

25027

Females

10494

F18-39

10494

20K→Half

12.4 - 13.1 mi

Top 97%
×2story building
+19ft-37ft

Overall

25706

Females

10903

F18-39

10903

Half→25K

13.1 - 15.5 mi

Top 89%
×4story building
+66ft-88ft

Overall

23724

Females

9808

F18-39

9808

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

23228

Females

9586

F18-39

9586

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

23183

Females

9617

F18-39

9617

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

23252

Females

9682

F18-39

9682

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

22554

Females

9357

F18-39

9357

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

21437

Females

8759

F18-39

8759

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

22221

Females

9226

F18-39

9226

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

21919

Females

9113

F18-39

9113

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

21995

Females

9138

F18-39

9138

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

20873

Females

8497

F18-39

8497

Passing Analysis

Category:
Athletes Passed
1748
Passed By
264
Net Change
+1484
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25829
5K → 10K88141-53#25829#25882
10K → 15K8568+17#25882#25865
15K → 20K2258+217#25865#25648
20K → Half1634-18#25648#25666
Half → 25K2901+289#25666#25377
25K → 30K3290+329#25377#25048
30K → 20M1174+113#25048#24935
20M → 21M953+92#24935#24843
21M → 35K642+62#24843#24781
35K → 23M1490+149#24781#24632
23M → 24M1010+101#24632#24531
24M → 40K712+69#24531#24462
40K → 25.2M280+28#24462#24434
25.2M → Finish901+89#24434#24345
TOTALS1748264+1484
📊

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