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BOSTON MARATHON 2023

Katie Lomuto

Bib: 14287•F

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 27%
Gender (Female)
#0 / 11423
Top 9%
Division (F18-39)
#0 / 4884
Top 16%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:42
Rank: #8148
Start → 5K
22:42 | 7:18/mi
10K· 6.21 mi
44:57
Rank: #7989 (+159)
5K → 10K
22:15 | 7:10/mi
15K· 9.32 mi
1:07:14
Rank: #7849 (+140)
10K → 15K
22:17 | 7:10/mi
20K· 12.43 mi
1:29:46
Rank: #7722 (+127)
15K → 20K
22:32 | 7:15/mi
Half· 13.11 mi
1:34:43
Rank: #7729 (-7)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:52:20
Rank: #7592 (+137)
Half → 25K
17:37 | 7:16/mi
30K· 18.64 mi
2:15:29
Rank: #7409 (+183)
25K → 30K
23:09 | 7:27/mi
20M
2:25:43
Rank: #7349 (+60)
30K → 20M
10:14 | 7:32/mi
21M
2:33:27
Rank: #7236 (+113)
20M → 21M
7:44 | 7:44/mi
35K· 21.75 mi
2:39:12
Rank: #7306 (-70)
21M → 35K
5:45 | 7:41/mi
23M
2:49:00
Rank: #7333 (-27)
35K → 23M
9:48 | 7:50/mi
24M
2:56:40
Rank: #7351 (-18)
23M → 24M
7:40 | 7:40/mi
40K· 24.85 mi
3:03:24
Rank: #7394 (-43)
24M → 40K
6:44 | 7:53/mi
25.2M
3:06:03
Rank: #7341 (+53)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
3:13:06
Rank: #7187 (+154)
25.2M → Finish
7:03 | 6:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:43
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time1:38:23
Pace7:30 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2322:427:1822:42
7:18
-
10K
6.21 mi11:13:3844:577:1422:15
7:10
-0:08
15K
9.32 mi11:35:551:07:147:1322:17
7:10
0:00
20K
12.43 mi11:58:271:29:467:1322:32
7:15
+0:05
Half
13.11 mi12:03:241:34:437:134:57
7:15
0:00
25K
15.53 mi12:21:011:52:207:1417:37
7:16
+0:01
30K
18.64 mi12:44:102:15:297:1623:09
7:27
+0:11
20M
20.00 mi12:54:242:25:437:1710:14
7:32
+0:05
21M
21.00 mi13:02:082:33:277:187:44
7:44
+0:12
35K
21.75 mi13:07:532:39:127:195:45
7:41
-0:03
23M
23.00 mi13:17:412:49:007:219:48
7:50
+0:09
24M
24.00 mi13:25:212:56:407:227:40
7:40
-0:10
40K
24.85 mi13:32:053:03:247:236:44
7:53
+0:13
25.2M
25.20 mi13:34:443:06:037:232:39
7:41
-0:12
Finish
26.22 mi13:41:473:13:067:227:03
6:55
-0:46

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

6:55 /mi

Average Pace

7:22 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:46

79% of race

Time at Steady Pace

40:20

21% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:22 /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 mi10:51:2322:427:1822:42
7:18
#8148
10K
6.21 mi11:13:3844:577:1422:15
7:10
#7989
15K
9.32 mi11:35:551:07:147:1322:17
7:10
#7849
20K
12.43 mi11:58:271:29:467:1322:32
7:15
#7722
Half
13.11 mi12:03:241:34:437:134:57
7:15
#7729
25K
15.53 mi12:21:011:52:207:1417:37
7:16
#7592
30K
18.64 mi12:44:102:15:297:1623:09
7:27
#7409
20M
20.00 mi12:54:242:25:437:1710:14
7:32
#7349
21M
21.00 mi13:02:082:33:277:187:44
7:44
#7236
35K
21.75 mi13:07:532:39:127:195:45
7:41
#7306
23M
23.00 mi13:17:412:49:007:219:48
7:50
#7333
24M
24.00 mi13:25:212:56:407:227:40
7:40
#7351
40K
24.85 mi13:32:053:03:247:236:44
7:53
#7394
25.2M
25.20 mi13:34:443:06:037:232:39
7:41
#7341
Finish
26.22 mi13:41:473:13:067:227:03
6:55
#7187
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8148106410647620(Top 29%)935(Top 8%)935(Top 19%)
10K6.21 mi3.10 mi7989+1591019+451019+457858(Top 30%)1007(Top 9%)1007(Top 21%)
15K9.32 mi3.11 mi7849+140985+34985+347620(Top 29%)935(Top 8%)935(Top 19%)
20K12.43 mi3.11 mi7722+127951+34951+347462(Top 28%)920(Top 8%)920(Top 19%)
Half13.11 mi0.68 mi7729-7957-6957-68288(Top 31%)1193(Top 10%)1193(Top 24%)
25K15.53 mi2.42 mi7592+137928+29928+297083(Top 27%)865(Top 8%)865(Top 18%)
30K18.64 mi3.11 mi7409+183898+30898+306912(Top 26%)903(Top 8%)903(Top 18%)
20M20.00 mi1.36 mi7349+60896+2896+27018(Top 26%)1026(Top 9%)1026(Top 21%)
21M21.00 mi1.00 mi7236+113874+22874+225842(Top 22%)762(Top 7%)762(Top 16%)
35K21.75 mi0.75 mi7306-70923-49923-499855(Top 37%)2280(Top 20%)2280(Top 47%)
23M23.00 mi1.25 mi7333-27952-29952-298613(Top 32%)1840(Top 16%)1840(Top 38%)
24M24.00 mi1.00 mi7351-18973-21973-218866(Top 33%)2028(Top 18%)2028(Top 42%)
40K24.85 mi0.85 mi7394-431016-431016-439186(Top 35%)2248(Top 20%)2248(Top 46%)
25.2M25.20 mi0.35 mi7341+531002+141002+144881(Top 18%)688(Top 6%)688(Top 14%)
Finish26.22 mi1.02 mi7187+154980+22980+224769(Top 18%)654(Top 6%)654(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21stories
+97ft-345ft

Overall

7620

Females

935

F18-39

935

5K→10K

3.1 - 6.2 mi

Top 30%
×5stories
+79ft-138ft

Overall

7858

Females

1007

F18-39

1007

10K→15K

6.2 - 9.3 mi

Top 29%
×3stories
+67ft-78ft

Overall

7620

Females

935

F18-39

935

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7462

Females

920

F18-39

920

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8288

Females

1193

F18-39

1193

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7083

Females

865

F18-39

865

25K→30K

15.5 - 18.6 mi

Top 26%
×9stories
+181ft-148ft

Overall

6912

Females

903

F18-39

903

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

7018

Females

1026

F18-39

1026

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

5842

Females

762

F18-39

762

21M→35K

21.0 - 21.8 mi

Top 37%
×7stories
+17ft-86ft

Overall

9855

Females

2280

F18-39

2280

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

8613

Females

1840

F18-39

1840

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

8866

Females

2028

F18-39

2028

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9186

Females

2248

F18-39

2248

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4881

Females

688

F18-39

688

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

4769

Females

654

F18-39

654

Passing Analysis

Category:
Athletes Passed
1766
Passed By
805
Net Change
+961
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8148
5K → 10K322163+159#8148#7989
10K → 15K21676+140#7989#7849
15K → 20K17548+127#7849#7722
20K → Half2633-7#7722#7729
Half → 25K16730+137#7729#7592
25K → 30K23552+183#7592#7409
30K → 20M9434+60#7409#7349
20M → 21M12512+113#7349#7236
21M → 35K2696-70#7236#7306
35K → 23M6794-27#7306#7333
23M → 24M5068-18#7333#7351
24M → 40K4184-43#7351#7394
40K → 25.2M596+53#7394#7341
25.2M → Finish1639+154#7341#7187
TOTALS1766805+961
📊

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