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BOSTON MARATHON 2023

Julia Kavan

Bib: 30093•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
33:19
Rank: #25239
Start → 5K
10:43/mi
33:19 split
10K· 6.21 mi
1:03:59
Rank: #24259 (+980)
5K → 10K
9:52/mi
30:40 split
15K· 9.32 mi
1:33:42
Rank: #23709 (+550)
10K → 15K
9:34/mi
29:43 split
20K· 12.43 mi
2:04:04
Rank: #23388 (+321)
15K → 20K
9:46/mi
30:22 split
Half· 13.11 mi
2:10:35
Rank: #23327 (+61)
20K → Half
9:33/mi
6:31 split
25K· 15.53 mi
2:34:18
Rank: #23029 (+298)
Half → 25K
9:47/mi
23:43 split
30K· 18.64 mi
3:05:50
Rank: #22738 (+291)
25K → 30K
10:09/mi
31:32 split
20M
3:20:08
Rank: #22652 (+86)
30K → 20M
10:31/mi
14:18 split
21M
3:31:34
Rank: #22602 (+50)
20M → 21M
11:26/mi
11:26 split
35K· 21.75 mi
3:38:55
Rank: #22526 (+76)
21M → 35K
9:49/mi
7:21 split
23M
3:53:28
Rank: #22592 (-66)
35K → 23M
11:37/mi
14:33 split
24M
4:03:21
Rank: #22515 (+77)
23M → 24M
9:53/mi
9:53 split
40K· 24.85 mi
4:12:14
Rank: #22458 (+57)
24M → 40K
10:23/mi
8:53 split
25.2M
4:16:26
Rank: #22457 (+1)
40K → 25.2M
12:11/mi
4:12 split
Finish· 26.22 mi
4:26:12
Rank: #22403 (+54)
25.2M → Finish
9:35/mi
9:46 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:35
Pace9:58 /mi
2nd Half
Distance13.11 mi
Time2:15:37
Pace10:21 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:5933:1910:4333:19
10:43
-
10K
6.21 mi12:22:391:03:5910:1830:40
9:52
-0:51
15K
9.32 mi12:52:221:33:4210:0329:43
9:34
-0:18
20K
12.43 mi13:22:442:04:049:5930:22
9:46
+0:12
Half
13.11 mi13:29:152:10:359:586:31
9:33
-0:13
25K
15.53 mi13:52:582:34:189:5623:43
9:47
+0:14
30K
18.64 mi14:24:303:05:509:5831:32
10:09
+0:22
20M
20.00 mi14:38:483:20:0810:0014:18
10:31
+0:22
21M
21.00 mi14:50:143:31:3410:0411:26
11:26
+0:55
35K
21.75 mi14:57:353:38:5510:047:21
9:49
-1:37
23M
23.00 mi15:12:083:53:2810:0914:33
11:37
+1:48
24M
24.00 mi15:22:014:03:2110:089:53
9:53
-1:44
40K
24.85 mi15:30:544:12:1410:098:53
10:23
+0:30
25.2M
25.20 mi15:35:064:16:2610:114:12
12:11
+1:48
Finish
26.22 mi15:44:524:26:1210:109:46
9:35
-2:36

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

9:33 /mi

Average Pace

10:10 /mi

Slowest Pace

12:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:59:31

67% of race

Time at Slower Pace

1:26:41

33% of race

Average Pace: 10:09 /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 mi11:51:5933:1910:4333:19
10:43
#25239
10K
6.21 mi12:22:391:03:5910:1830:40
9:52
#24259
15K
9.32 mi12:52:221:33:4210:0329:43
9:34
#23709
20K
12.43 mi13:22:442:04:049:5930:22
9:46
#23388
Half
13.11 mi13:29:152:10:359:586:31
9:33
#23327
25K
15.53 mi13:52:582:34:189:5623:43
9:47
#23029
30K
18.64 mi14:24:303:05:509:5831:32
10:09
#22738
20M
20.00 mi14:38:483:20:0810:0014:18
10:31
#22652
21M
21.00 mi14:50:143:31:3410:0411:26
11:26
#22602
35K
21.75 mi14:57:353:38:5510:047:21
9:49
#22526
23M
23.00 mi15:12:083:53:2810:0914:33
11:37
#22592
24M
24.00 mi15:22:014:03:2110:089:53
9:53
#22515
40K
24.85 mi15:30:544:12:1410:098:53
10:23
#22458
25.2M
25.20 mi15:35:064:16:2610:114:12
12:11
#22457
Finish
26.22 mi15:44:524:26:1210:109:46
9:35
#22403
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25239105701057022437(Top 84%)9031(Top 79%)9031(Top 185%)
10K6.21 mi3.10 mi24259+98010029+54110029+54123425(Top 88%)9580(Top 84%)9580(Top 196%)
15K9.32 mi3.11 mi23709+5509729+3009729+30022437(Top 84%)9031(Top 79%)9031(Top 185%)
20K12.43 mi3.11 mi23388+3219549+1809549+18022345(Top 84%)8994(Top 79%)8994(Top 184%)
Half13.11 mi0.68 mi23327+619518+319518+3122293(Top 84%)8947(Top 78%)8947(Top 183%)
25K15.53 mi2.42 mi23029+2989370+1489370+14821698(Top 82%)8673(Top 76%)8673(Top 178%)
30K18.64 mi3.11 mi22738+2919251+1199251+11921419(Top 80%)8586(Top 75%)8586(Top 176%)
20M20.00 mi1.36 mi22652+869221+309221+3021800(Top 82%)8872(Top 78%)8872(Top 182%)
21M21.00 mi1.00 mi22602+509198+239198+2321773(Top 82%)8872(Top 78%)8872(Top 182%)
35K21.75 mi0.75 mi22526+769156+429156+4220846(Top 78%)8412(Top 74%)8412(Top 172%)
23M23.00 mi1.25 mi22592-669205-499205-4923455(Top 88%)9826(Top 86%)9826(Top 201%)
24M24.00 mi1.00 mi22515+779173+329173+3220483(Top 77%)8257(Top 72%)8257(Top 169%)
40K24.85 mi0.85 mi22458+579148+259148+2520973(Top 79%)8590(Top 75%)8590(Top 176%)
25.2M25.20 mi0.35 mi22457+19151-39151-322818(Top 86%)9556(Top 84%)9556(Top 196%)
Finish26.22 mi1.02 mi22403+549129+229129+2220444(Top 77%)8273(Top 72%)8273(Top 169%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21stories
+97ft-345ft

Overall

22437

Females

9031

F18-39

9031

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

23425

Females

9580

F18-39

9580

10K→15K

6.2 - 9.3 mi

Top 84%
×3stories
+67ft-78ft

Overall

22437

Females

9031

F18-39

9031

15K→20K

9.3 - 12.4 mi

Top 84%
×5stories
+106ft-86ft

Overall

22345

Females

8994

F18-39

8994

20K→Half

12.4 - 13.1 mi

Top 84%
×2stories
+19ft-37ft

Overall

22293

Females

8947

F18-39

8947

Half→25K

13.1 - 15.5 mi

Top 82%
×4stories
+66ft-88ft

Overall

21698

Females

8673

F18-39

8673

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

21419

Females

8586

F18-39

8586

30K→20M

18.6 - 20.0 mi

Top 82%
×5stories
+64ft-50ft

Overall

21800

Females

8872

F18-39

8872

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

21773

Females

8872

F18-39

8872

21M→35K

21.0 - 21.8 mi

Top 78%
×7stories
+17ft-86ft

Overall

20846

Females

8412

F18-39

8412

35K→23M

21.8 - 23.0 mi

Top 88%
×5stories
+23ft-63ft

Overall

23455

Females

9826

F18-39

9826

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

20483

Females

8257

F18-39

8257

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

20973

Females

8590

F18-39

8590

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22818

Females

9556

F18-39

9556

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

20444

Females

8273

F18-39

8273

Passing Analysis

Category:
Athletes Passed
3069
Passed By
233
Net Change
+2836
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25239
5K → 10K9811+980#25239#24259
10K → 15K5577+550#24259#23709
15K → 20K33110+321#23709#23388
20K → Half632+61#23388#23327
Half → 25K3079+298#23327#23029
25K → 30K30110+291#23029#22738
30K → 20M10317+86#22738#22652
20M → 21M8131+50#22652#22602
21M → 35K826+76#22602#22526
35K → 23M43109-66#22526#22592
23M → 24M814+77#22592#22515
24M → 40K603+57#22515#22458
40K → 25.2M1615+1#22458#22457
25.2M → Finish639+54#22457#22403
TOTALS3069233+2836
📊

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