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BOSTON MARATHON 2023

Katie Lance

Bib: 13348•F

TN

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 21%
Gender (Female)
#0 / 11423
Top 4%
Division (F18-39)
#0 / 4884
Top 8%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:13
Rank: #4971
Start → 5K
21:13 | 6:50/mi
10K· 6.21 mi
42:38
Rank: #5512 (-541)
5K → 10K
21:25 | 6:54/mi
15K· 9.32 mi
1:03:55
Rank: #5543 (-31)
10K → 15K
21:17 | 6:51/mi
20K· 12.43 mi
1:25:31
Rank: #5574 (-31)
15K → 20K
21:36 | 6:57/mi
Half· 13.11 mi
1:30:11
Rank: #5574
20K → Half
4:40 | 6:50/mi
25K· 15.53 mi
1:47:02
Rank: #5520 (+54)
Half → 25K
16:51 | 6:57/mi
30K· 18.64 mi
2:09:47
Rank: #5602 (-82)
25K → 30K
22:45 | 7:19/mi
20M
2:19:48
Rank: #5595 (+7)
30K → 20M
10:01 | 7:22/mi
21M
2:27:45
Rank: #5626 (-31)
20M → 21M
7:57 | 7:57/mi
35K· 21.75 mi
2:33:09
Rank: #5642 (-16)
21M → 35K
5:24 | 7:13/mi
23M
2:42:26
Rank: #5603 (+39)
35K → 23M
9:17 | 7:25/mi
24M
2:49:43
Rank: #5577 (+26)
23M → 24M
7:17 | 7:17/mi
40K· 24.85 mi
2:56:03
Rank: #5552 (+25)
24M → 40K
6:20 | 7:24/mi
25.2M
2:58:51
Rank: #5548 (+4)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
3:06:17
Rank: #5539 (+9)
25.2M → Finish
7:26 | 7:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:11
Pace6:53 /mi
2nd Half
Distance13.11 mi
Time1:36:06
Pace7:20 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3721:136:5021:13
6:50
-
10K
6.21 mi11:11:0242:386:5221:25
6:54
+0:04
15K
9.32 mi11:32:191:03:556:5121:17
6:51
-0:03
20K
12.43 mi11:53:551:25:316:5321:36
6:57
+0:06
Half
13.11 mi11:58:351:30:116:534:40
6:50
-0:07
25K
15.53 mi12:15:261:47:026:5316:51
6:57
+0:07
30K
18.64 mi12:38:112:09:476:5822:45
7:19
+0:22
20M
20.00 mi12:48:122:19:486:5910:01
7:22
+0:03
21M
21.00 mi12:56:092:27:457:027:57
7:57
+0:35
35K
21.75 mi13:01:332:33:097:035:24
7:13
-0:44
23M
23.00 mi13:10:502:42:267:049:17
7:25
+0:12
24M
24.00 mi13:18:072:49:437:047:17
7:17
-0:08
40K
24.85 mi13:24:272:56:037:056:20
7:24
+0:07
25.2M
25.20 mi13:27:152:58:517:062:48
8:07
+0:43
Finish
26.22 mi13:34:413:06:177:077:26
7:18
-0:49

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

6:50 /mi

Average Pace

7:07 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55:32

94% of race

Time at Steady Pace

7:57

4% of race

Time at Slower Pace

2:48

2% of race

Average Pace: 7:06 /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 mi10:49:3721:136:5021:13
6:50
#4971
10K
6.21 mi11:11:0242:386:5221:25
6:54
#5512
15K
9.32 mi11:32:191:03:556:5121:17
6:51
#5543
20K
12.43 mi11:53:551:25:316:5321:36
6:57
#5574
Half
13.11 mi11:58:351:30:116:534:40
6:50
#5574
25K
15.53 mi12:15:261:47:026:5316:51
6:57
#5520
30K
18.64 mi12:38:112:09:476:5822:45
7:19
#5602
20M
20.00 mi12:48:122:19:486:5910:01
7:22
#5595
21M
21.00 mi12:56:092:27:457:027:57
7:57
#5626
35K
21.75 mi13:01:332:33:097:035:24
7:13
#5642
23M
23.00 mi13:10:502:42:267:049:17
7:25
#5603
24M
24.00 mi13:18:072:49:437:047:17
7:17
#5577
40K
24.85 mi13:24:272:56:037:056:20
7:24
#5552
25.2M
25.20 mi13:27:152:58:517:062:48
8:07
#5548
Finish
26.22 mi13:34:413:06:177:077:26
7:18
#5539
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi49713523525590(Top 21%)447(Top 4%)447(Top 9%)
10K6.21 mi3.10 mi5512-541422-70422-706091(Top 23%)551(Top 5%)551(Top 11%)
15K9.32 mi3.11 mi5543-31429-7429-75590(Top 21%)447(Top 4%)447(Top 9%)
20K12.43 mi3.11 mi5574-31430-1430-15689(Top 21%)466(Top 4%)466(Top 10%)
Half13.11 mi0.68 mi5574427+3427+35678(Top 21%)453(Top 4%)453(Top 9%)
25K15.53 mi2.42 mi5520+54424+3424+35310(Top 20%)414(Top 4%)414(Top 8%)
30K18.64 mi3.11 mi5602-82449-25449-256164(Top 23%)669(Top 6%)669(Top 14%)
20M20.00 mi1.36 mi5595+7453-4453-46051(Top 23%)712(Top 6%)712(Top 15%)
21M21.00 mi1.00 mi5626-31462-9462-97047(Top 26%)1142(Top 10%)1142(Top 23%)
35K21.75 mi0.75 mi5642-16467-5467-56655(Top 25%)957(Top 8%)957(Top 20%)
23M23.00 mi1.25 mi5603+39477-10477-105962(Top 22%)791(Top 7%)791(Top 16%)
24M24.00 mi1.00 mi5577+26486-9486-96282(Top 24%)1001(Top 9%)1001(Top 20%)
40K24.85 mi0.85 mi5552+25490-4490-46153(Top 23%)1026(Top 9%)1026(Top 21%)
25.2M25.20 mi0.35 mi5548+4493-3493-37239(Top 27%)1483(Top 13%)1483(Top 30%)
Finish26.22 mi1.02 mi5539+9504-11504-117108(Top 27%)1455(Top 13%)1455(Top 30%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5590

Females

447

F18-39

447

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6091

Females

551

F18-39

551

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5590

Females

447

F18-39

447

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5689

Females

466

F18-39

466

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5678

Females

453

F18-39

453

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5310

Females

414

F18-39

414

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6164

Females

669

F18-39

669

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

6051

Females

712

F18-39

712

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

7047

Females

1142

F18-39

1142

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

6655

Females

957

F18-39

957

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

5962

Females

791

F18-39

791

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6282

Females

1001

F18-39

1001

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6153

Females

1026

F18-39

1026

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7239

Females

1483

F18-39

1483

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7108

Females

1455

F18-39

1455

Passing Analysis

Category:
Athletes Passed
880
Passed By
1448
Net Change
-568
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4971
5K → 10K54595-541#4971#5512
10K → 15K105136-31#5512#5543
15K → 20K94125-31#5543#5574
20K → Half20200#5574#5574
Half → 25K10551+54#5574#5520
25K → 30K92174-82#5520#5602
30K → 20M5548+7#5602#5595
20M → 21M4273-31#5595#5626
21M → 35K2642-16#5626#5642
35K → 23M9253+39#5642#5603
23M → 24M5933+26#5603#5577
24M → 40K5530+25#5577#5552
40K → 25.2M2117+4#5552#5548
25.2M → Finish6051+9#5548#5539
TOTALS8801448-568
📊

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