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BOSTON MARATHON 2023

Katelyn Kelley

Bib: 17285•F

ME

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 39%
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
25:33
Rank: #15624
Start → 5K
25:33 | 8:13/mi
10K· 6.21 mi
49:55
Rank: #14625 (+999)
5K → 10K
24:22 | 7:51/mi
15K· 9.32 mi
1:14:08
Rank: #14003 (+622)
10K → 15K
24:13 | 7:48/mi
20K· 12.43 mi
1:39:03
Rank: #13869 (+134)
15K → 20K
24:55 | 8:01/mi
Half· 13.11 mi
1:44:33
Rank: #13911 (-42)
20K → Half
5:30 | 8:04/mi
25K· 15.53 mi
2:04:40
Rank: #14062 (-151)
Half → 25K
20:07 | 8:18/mi
30K· 18.64 mi
2:30:32
Rank: #13897 (+165)
25K → 30K
25:52 | 8:20/mi
20M
2:42:03
Rank: #13849 (+48)
30K → 20M
11:31 | 8:28/mi
21M
2:51:15
Rank: #13881 (-32)
20M → 21M
9:12 | 9:12/mi
35K· 21.75 mi
2:57:34
Rank: #13911 (-30)
21M → 35K
6:19 | 8:27/mi
23M
3:08:43
Rank: #14001 (-90)
35K → 23M
11:09 | 8:54/mi
24M
3:17:31
Rank: #14099 (-98)
23M → 24M
8:48 | 8:48/mi
40K· 24.85 mi
3:25:10
Rank: #14171 (-72)
24M → 40K
7:39 | 8:57/mi
25.2M
3:28:31
Rank: #14204 (-33)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
3:37:34
Rank: #14329 (-125)
25.2M → Finish
9:03 | 8:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:33
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time1:53:01
Pace8:37 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:4025:338:1325:33
8:13
-
10K
6.21 mi11:46:0249:558:0224:22
7:51
-0:22
15K
9.32 mi12:10:151:14:087:5724:13
7:48
-0:03
20K
12.43 mi12:35:101:39:037:5824:55
8:01
+0:13
Half
13.11 mi12:40:401:44:337:595:30
8:04
+0:03
25K
15.53 mi13:00:472:04:408:0220:07
8:18
+0:14
30K
18.64 mi13:26:392:30:328:0525:52
8:20
+0:02
20M
20.00 mi13:38:102:42:038:0611:31
8:28
+0:08
21M
21.00 mi13:47:222:51:158:099:12
9:12
+0:44
35K
21.75 mi13:53:412:57:348:106:19
8:27
-0:45
23M
23.00 mi14:04:503:08:438:1211:09
8:54
+0:27
24M
24.00 mi14:13:383:17:318:148:48
8:48
-0:06
40K
24.85 mi14:21:173:25:108:157:39
8:57
+0:09
25.2M
25.20 mi14:24:383:28:318:163:21
9:43
+0:46
Finish
26.22 mi14:33:413:37:348:189:03
8:53
-0:50

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

7:48 /mi

Average Pace

8:18 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:00

36% of race

Time at Steady Pace

1:29:22

41% of race

Time at Slower Pace

49:12

23% of race

Average Pace: 8:18 /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 mi11:21:4025:338:1325:33
8:13
#15624
10K
6.21 mi11:46:0249:558:0224:22
7:51
#14625
15K
9.32 mi12:10:151:14:087:5724:13
7:48
#14003
20K
12.43 mi12:35:101:39:037:5824:55
8:01
#13869
Half
13.11 mi12:40:401:44:337:595:30
8:04
#13911
25K
15.53 mi13:00:472:04:408:0220:07
8:18
#14062
30K
18.64 mi13:26:392:30:328:0525:52
8:20
#13897
20M
20.00 mi13:38:102:42:038:0611:31
8:28
#13849
21M
21.00 mi13:47:222:51:158:099:12
9:12
#13881
35K
21.75 mi13:53:412:57:348:106:19
8:27
#13911
23M
23.00 mi14:04:503:08:438:1211:09
8:54
#14001
24M
24.00 mi14:13:383:17:318:148:48
8:48
#14099
40K
24.85 mi14:21:173:25:108:157:39
8:57
#14171
25.2M
25.20 mi14:24:383:28:318:163:21
9:43
#14204
Finish
26.22 mi14:33:413:37:348:189:03
8:53
#14329
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi156245053505312711(Top 48%)3300(Top 29%)3300(Top 68%)
10K6.21 mi3.10 mi14625+9994421+6324421+63213514(Top 51%)3738(Top 33%)3738(Top 77%)
15K9.32 mi3.11 mi14003+6224058+3634058+36312711(Top 48%)3300(Top 29%)3300(Top 68%)
20K12.43 mi3.11 mi13869+1344004+544004+5413626(Top 51%)3896(Top 34%)3896(Top 80%)
Half13.11 mi0.68 mi13911-424034-304034-3014911(Top 56%)4631(Top 41%)4631(Top 95%)
25K15.53 mi2.42 mi14062-1514146-1124146-11214938(Top 56%)4790(Top 42%)4790(Top 98%)
30K18.64 mi3.11 mi13897+1654080+664080+6613192(Top 50%)3868(Top 34%)3868(Top 79%)
20M20.00 mi1.36 mi13849+484070+104070+1013499(Top 51%)4128(Top 36%)4128(Top 85%)
21M21.00 mi1.00 mi13881-324104-344104-3414498(Top 54%)4761(Top 42%)4761(Top 97%)
35K21.75 mi0.75 mi13911-304144-404144-4014988(Top 56%)5093(Top 45%)5093(Top 104%)
23M23.00 mi1.25 mi14001-904232-884232-8815568(Top 58%)5487(Top 48%)5487(Top 112%)
24M24.00 mi1.00 mi14099-984308-764308-7616196(Top 61%)5909(Top 52%)5909(Top 121%)
40K24.85 mi0.85 mi14171-724379-714379-7115874(Top 60%)5772(Top 51%)5772(Top 118%)
25.2M25.20 mi0.35 mi14204-334411-324411-3216190(Top 61%)5957(Top 52%)5957(Top 122%)
Finish26.22 mi1.02 mi14329-1254499-884499-8817419(Top 65%)6593(Top 58%)6593(Top 135%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21stories
+97ft-345ft

Overall

12711

Females

3300

F18-39

3300

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

13514

Females

3738

F18-39

3738

10K→15K

6.2 - 9.3 mi

Top 48%
×3stories
+67ft-78ft

Overall

12711

Females

3300

F18-39

3300

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

13626

Females

3896

F18-39

3896

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

14911

Females

4631

F18-39

4631

Half→25K

13.1 - 15.5 mi

Top 56%
×4stories
+66ft-88ft

Overall

14938

Females

4790

F18-39

4790

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

13192

Females

3868

F18-39

3868

30K→20M

18.6 - 20.0 mi

Top 51%
×5stories
+64ft-50ft

Overall

13499

Females

4128

F18-39

4128

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

14498

Females

4761

F18-39

4761

21M→35K

21.0 - 21.8 mi

Top 56%
×7stories
+17ft-86ft

Overall

14988

Females

5093

F18-39

5093

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

15568

Females

5487

F18-39

5487

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

16196

Females

5909

F18-39

5909

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

15874

Females

5772

F18-39

5772

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16190

Females

5957

F18-39

5957

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

17419

Females

6593

F18-39

6593

Passing Analysis

Category:
Athletes Passed
2742
Passed By
1447
Net Change
+1295
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15624
5K → 10K104950+999#15624#14625
10K → 15K65129+622#14625#14003
15K → 20K236102+134#14003#13869
20K → Half2264-42#13869#13911
Half → 25K79230-151#13911#14062
25K → 30K275110+165#14062#13897
30K → 20M11466+48#13897#13849
20M → 21M81113-32#13849#13881
21M → 35K3767-30#13881#13911
35K → 23M61151-90#13911#14001
23M → 24M33131-98#14001#14099
24M → 40K51123-72#14099#14171
40K → 25.2M1649-33#14171#14204
25.2M → Finish37162-125#14204#14329
TOTALS27421447+1295
📊

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