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BOSTON MARATHON 2023

Katie Killion

Bib: 26622•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

Start
0:00:00
Race begins
5K· 3.11 mi
33:30
Rank: #25348
Start → 5K
33:30 | 10:47/mi
10K· 6.21 mi
1:07:20
Rank: #25336 (+12)
5K → 10K
33:50 | 10:53/mi
15K· 9.32 mi
1:41:23
Rank: #25256 (+80)
10K → 15K
34:03 | 10:58/mi
20K· 12.43 mi
2:17:36
Rank: #25326 (-70)
15K → 20K
36:13 | 11:39/mi
Half· 13.11 mi
2:25:07
Rank: #25306 (+20)
20K → Half
7:31 | 11:01/mi
25K· 15.53 mi
2:52:28
Rank: #25153 (+153)
Half → 25K
27:21 | 11:17/mi
30K· 18.64 mi
3:30:57
Rank: #25120 (+33)
25K → 30K
38:29 | 12:23/mi
20M
3:47:23
Rank: #25064 (+56)
30K → 20M
16:26 | 12:06/mi
21M
3:59:52
Rank: #25011 (+53)
20M → 21M
12:29 | 12:29/mi
35K· 21.75 mi
4:08:35
Rank: #24980 (+31)
21M → 35K
8:43 | 11:39/mi
23M
4:23:57
Rank: #24957 (+23)
35K → 23M
15:22 | 12:16/mi
24M
4:35:53
Rank: #24960 (-3)
23M → 24M
11:56 | 11:56/mi
40K· 24.85 mi
4:47:58
Rank: #25023 (-63)
24M → 40K
12:05 | 14:08/mi
25.2M
4:52:17
Rank: #25007 (+16)
40K → 25.2M
4:19 | 12:31/mi
Finish· 26.22 mi
5:03:53
Rank: #24993 (+14)
25.2M → Finish
11:36 | 11:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:25:07
Pace11:04 /mi
2nd Half
Distance13.11 mi
Time2:38:46
Pace12:07 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:4633:3010:4733:30
10:47
-
10K
6.21 mi12:28:361:07:2010:5033:50
10:53
+0:06
15K
9.32 mi13:02:391:41:2310:5334:03
10:58
+0:05
20K
12.43 mi13:38:522:17:3611:0436:13
11:39
+0:41
Half
13.11 mi13:46:232:25:0711:047:31
11:01
-0:38
25K
15.53 mi14:13:442:52:2811:0627:21
11:17
+0:16
30K
18.64 mi14:52:133:30:5711:1938:29
12:23
+1:06
20M
20.00 mi15:08:393:47:2311:2216:26
12:06
-0:17
21M
21.00 mi15:21:083:59:5211:2512:29
12:29
+0:23
35K
21.75 mi15:29:514:08:3511:268:43
11:39
-0:50
23M
23.00 mi15:45:134:23:5711:2915:22
12:16
+0:37
24M
24.00 mi15:57:094:35:5311:3011:56
11:56
-0:20
40K
24.85 mi16:09:144:47:5811:3512:05
14:08
+2:12
25.2M
25.20 mi16:13:334:52:1711:364:19
12:31
-1:37
Finish
26.22 mi16:25:095:03:5311:3611:36
11:23
-1:08

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

10:47 /mi

Average Pace

11:36 /mi

Slowest Pace

14:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:54

36% of race

Time at Steady Pace

1:35:49

32% of race

Time at Slower Pace

1:39:10

33% of race

Average Pace: 11:35 /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 mi11:54:4633:3010:4733:30
10:47
#25348
10K
6.21 mi12:28:361:07:2010:5033:50
10:53
#25336
15K
9.32 mi13:02:391:41:2310:5334:03
10:58
#25256
20K
12.43 mi13:38:522:17:3611:0436:13
11:39
#25326
Half
13.11 mi13:46:232:25:0711:047:31
11:01
#25306
25K
15.53 mi14:13:442:52:2811:0627:21
11:17
#25153
30K
18.64 mi14:52:133:30:5711:1938:29
12:23
#25120
20M
20.00 mi15:08:393:47:2311:2216:26
12:06
#25064
21M
21.00 mi15:21:083:59:5211:2512:29
12:29
#25011
35K
21.75 mi15:29:514:08:3511:268:43
11:39
#24980
23M
23.00 mi15:45:134:23:5711:2915:22
12:16
#24957
24M
24.00 mi15:57:094:35:5311:3011:56
11:56
#24960
40K
24.85 mi16:09:144:47:5811:3512:05
14:08
#25023
25.2M
25.20 mi16:13:334:52:1711:364:19
12:31
#25007
Finish
26.22 mi16:25:095:03:5311:3611:36
11:23
#24993
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25348106401064025132(Top 94%)10535(Top 92%)10535(Top 216%)
10K6.21 mi3.10 mi25336+1210624+1610624+1625330(Top 95%)10628(Top 93%)10628(Top 218%)
15K9.32 mi3.11 mi25256+8010589+3510589+3525132(Top 94%)10535(Top 92%)10535(Top 216%)
20K12.43 mi3.11 mi25326-7010641-5210641-5225424(Top 95%)10730(Top 94%)10730(Top 220%)
Half13.11 mi0.68 mi25306+2010636+510636+524970(Top 94%)10482(Top 92%)10482(Top 215%)
25K15.53 mi2.42 mi25153+15310554+8210554+8224383(Top 92%)10162(Top 89%)10162(Top 208%)
30K18.64 mi3.11 mi25120+3310556-210556-224894(Top 94%)10513(Top 92%)10513(Top 215%)
20M20.00 mi1.36 mi25064+5610533+2310533+2324321(Top 91%)10247(Top 90%)10247(Top 210%)
21M21.00 mi1.00 mi25011+5310513+2010513+2023445(Top 88%)9782(Top 86%)9782(Top 200%)
35K21.75 mi0.75 mi24980+3110505+810505+824300(Top 91%)10289(Top 90%)10289(Top 211%)
23M23.00 mi1.25 mi24957+2310494+1110494+1124335(Top 91%)10307(Top 90%)10307(Top 211%)
24M24.00 mi1.00 mi24960-310506-1210506-1224438(Top 92%)10399(Top 91%)10399(Top 213%)
40K24.85 mi0.85 mi25023-6310540-3410540-3425754(Top 97%)11053(Top 97%)11053(Top 226%)
25.2M25.20 mi0.35 mi25007+1610539+110539+123345(Top 88%)9858(Top 86%)9858(Top 202%)
Finish26.22 mi1.02 mi24993+1410535+410535+424540(Top 92%)10430(Top 91%)10430(Top 214%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21stories
+97ft-345ft

Overall

25132

Females

10535

F18-39

10535

5K→10K

3.1 - 6.2 mi

Top 95%
×5stories
+79ft-138ft

Overall

25330

Females

10628

F18-39

10628

10K→15K

6.2 - 9.3 mi

Top 94%
×3stories
+67ft-78ft

Overall

25132

Females

10535

F18-39

10535

15K→20K

9.3 - 12.4 mi

Top 95%
×5stories
+106ft-86ft

Overall

25424

Females

10730

F18-39

10730

20K→Half

12.4 - 13.1 mi

Top 94%
×2stories
+19ft-37ft

Overall

24970

Females

10482

F18-39

10482

Half→25K

13.1 - 15.5 mi

Top 92%
×4stories
+66ft-88ft

Overall

24383

Females

10162

F18-39

10162

25K→30K

15.5 - 18.6 mi

Top 94%
×9stories
+181ft-148ft

Overall

24894

Females

10513

F18-39

10513

30K→20M

18.6 - 20.0 mi

Top 91%
×5stories
+64ft-50ft

Overall

24321

Females

10247

F18-39

10247

20M→21M

20.0 - 21.0 mi

Top 88%
×8stories
+106ft-24ft

Overall

23445

Females

9782

F18-39

9782

21M→35K

21.0 - 21.8 mi

Top 91%
×7stories
+17ft-86ft

Overall

24300

Females

10289

F18-39

10289

35K→23M

21.8 - 23.0 mi

Top 91%
×5stories
+23ft-63ft

Overall

24335

Females

10307

F18-39

10307

23M→24M

23.0 - 24.0 mi

Top 92%
×6stories
+12ft-82ft

Overall

24438

Females

10399

F18-39

10399

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

25754

Females

11053

F18-39

11053

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23345

Females

9858

F18-39

9858

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2stories
+22ft-21ft

Overall

24540

Females

10430

F18-39

10430

Passing Analysis

Category:
Athletes Passed
959
Passed By
604
Net Change
+355
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25348
5K → 10K162150+12#25348#25336
10K → 15K14969+80#25336#25256
15K → 20K64134-70#25256#25326
20K → Half3111+20#25326#25306
Half → 25K1618+153#25306#25153
25K → 30K8855+33#25153#25120
30K → 20M8125+56#25120#25064
20M → 21M6613+53#25064#25011
21M → 35K409+31#25011#24980
35K → 23M4118+23#24980#24957
23M → 24M2326-3#24957#24960
24M → 40K871-63#24960#25023
40K → 25.2M215+16#25023#25007
25.2M → Finish2410+14#25007#24993
TOTALS959604+355
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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