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BOSTON MARATHON 2023

Lily Falk

Bib: 18246•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 48%
Gender (Female)
#0 / 11423
Top 31%
Division (F18-39)
#0 / 4884
Top 50%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:34
Rank: #13314
Start → 5K
24:34 | 7:54/mi
10K· 6.21 mi
48:08
Rank: #12241 (+1073)
5K → 10K
23:34 | 7:35/mi
15K· 9.32 mi
1:11:38
Rank: #11669 (+572)
10K → 15K
23:30 | 7:34/mi
20K· 12.43 mi
1:35:17
Rank: #11248 (+421)
15K → 20K
23:39 | 7:37/mi
Half· 13.11 mi
1:40:24
Rank: #11186 (+62)
20K → Half
5:07 | 7:30/mi
25K· 15.53 mi
1:59:07
Rank: #11045 (+141)
Half → 25K
18:43 | 7:43/mi
30K· 18.64 mi
2:24:41
Rank: #11267 (-222)
25K → 30K
25:34 | 8:14/mi
20M
2:35:56
Rank: #11338 (-71)
30K → 20M
11:15 | 8:17/mi
21M
2:44:37
Rank: #11323 (+15)
20M → 21M
8:41 | 8:41/mi
35K· 21.75 mi
2:51:07
Rank: #11569 (-246)
21M → 35K
6:30 | 8:41/mi
23M
3:01:20
Rank: #11502 (+67)
35K → 23M
10:13 | 8:10/mi
24M
3:10:26
Rank: #11880 (-378)
23M → 24M
9:06 | 9:06/mi
40K· 24.85 mi
3:18:22
Rank: #12137 (-257)
24M → 40K
7:56 | 9:17/mi
25.2M
3:22:02
Rank: #12323 (-186)
40K → 25.2M
3:40 | 10:38/mi
Finish· 26.22 mi
3:32:03
Rank: #12816 (-493)
25.2M → Finish
10:01 | 9:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:24
Pace7:40 /mi
2nd Half
Distance13.11 mi
Time1:51:39
Pace8:31 /mi
📊Positive Split: 11.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:4624:347:5424:34
7:54
-
10K
6.21 mi11:39:2048:087:4523:34
7:35
-0:19
15K
9.32 mi12:02:501:11:387:4123:30
7:34
-0:01
20K
12.43 mi12:26:291:35:177:4023:39
7:37
+0:03
Half
13.11 mi12:31:361:40:247:405:07
7:30
-0:07
25K
15.53 mi12:50:191:59:077:4018:43
7:43
+0:13
30K
18.64 mi13:15:532:24:417:4625:34
8:14
+0:31
20M
20.00 mi13:27:082:35:567:4811:15
8:17
+0:03
21M
21.00 mi13:35:492:44:377:508:41
8:41
+0:24
35K
21.75 mi13:42:192:51:077:526:30
8:41
0:00
23M
23.00 mi13:52:323:01:207:5310:13
8:10
-0:31
24M
24.00 mi14:01:383:10:267:569:06
9:06
+0:56
40K
24.85 mi14:09:343:18:227:597:56
9:17
+0:11
25.2M
25.20 mi14:13:143:22:028:013:40
10:38
+1:21
Finish
26.22 mi14:23:153:32:038:0610:01
9:50
-0:48

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

7:30 /mi

Average Pace

8:06 /mi

Slowest Pace

10:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:33

45% of race

Time at Steady Pace

1:11:36

34% of race

Time at Slower Pace

45:54

22% of race

Average Pace: 8:05 /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 mi11:15:4624:347:5424:34
7:54
#13314
10K
6.21 mi11:39:2048:087:4523:34
7:35
#12241
15K
9.32 mi12:02:501:11:387:4123:30
7:34
#11669
20K
12.43 mi12:26:291:35:177:4023:39
7:37
#11248
Half
13.11 mi12:31:361:40:247:405:07
7:30
#11186
25K
15.53 mi12:50:191:59:077:4018:43
7:43
#11045
30K
18.64 mi13:15:532:24:417:4625:34
8:14
#11267
20M
20.00 mi13:27:082:35:567:4811:15
8:17
#11338
21M
21.00 mi13:35:492:44:377:508:41
8:41
#11323
35K
21.75 mi13:42:192:51:077:526:30
8:41
#11569
23M
23.00 mi13:52:323:01:207:5310:13
8:10
#11502
24M
24.00 mi14:01:383:10:267:569:06
9:06
#11880
40K
24.85 mi14:09:343:18:227:597:56
9:17
#12137
25.2M
25.20 mi14:13:143:22:028:013:40
10:38
#12323
Finish
26.22 mi14:23:153:32:038:0610:01
9:50
#12816
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi133143617361710733(Top 40%)2202(Top 19%)2202(Top 45%)
10K6.21 mi3.10 mi12241+10732997+6202997+62011209(Top 42%)2441(Top 21%)2441(Top 50%)
15K9.32 mi3.11 mi11669+5722704+2932704+29310733(Top 40%)2202(Top 19%)2202(Top 45%)
20K12.43 mi3.11 mi11248+4212470+2342470+23410195(Top 38%)2005(Top 18%)2005(Top 41%)
Half13.11 mi0.68 mi11186+622433+372433+3710334(Top 39%)2067(Top 18%)2067(Top 42%)
25K15.53 mi2.42 mi11045+1412380+532380+5310472(Top 39%)2219(Top 19%)2219(Top 45%)
30K18.64 mi3.11 mi11267-2222573-1932573-19312542(Top 47%)3488(Top 31%)3488(Top 71%)
20M20.00 mi1.36 mi11338-712619-462619-4612239(Top 46%)3421(Top 30%)3421(Top 70%)
21M21.00 mi1.00 mi11323+152634-152634-1511612(Top 44%)3215(Top 28%)3215(Top 66%)
35K21.75 mi0.75 mi11569-2462787-1532787-15316310(Top 61%)5895(Top 52%)5895(Top 121%)
23M23.00 mi1.25 mi11502+672769+182769+1810921(Top 41%)2988(Top 26%)2988(Top 61%)
24M24.00 mi1.00 mi11880-3783001-2323001-23217672(Top 66%)6723(Top 59%)6723(Top 138%)
40K24.85 mi0.85 mi12137-2573181-1803181-18017425(Top 65%)6634(Top 58%)6634(Top 136%)
25.2M25.20 mi0.35 mi12323-1863283-1023283-10219508(Top 73%)7773(Top 68%)7773(Top 159%)
Finish26.22 mi1.02 mi12816-4933591-3083591-30821256(Top 80%)8688(Top 76%)8688(Top 178%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

10733

Females

2202

F18-39

2202

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

11209

Females

2441

F18-39

2441

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

10733

Females

2202

F18-39

2202

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10195

Females

2005

F18-39

2005

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

10334

Females

2067

F18-39

2067

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

10472

Females

2219

F18-39

2219

25K→30K

15.5 - 18.6 mi

Top 47%
×9stories
+181ft-148ft

Overall

12542

Females

3488

F18-39

3488

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

12239

Females

3421

F18-39

3421

20M→21M

20.0 - 21.0 mi

Top 44%
×8stories
+106ft-24ft

Overall

11612

Females

3215

F18-39

3215

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

16310

Females

5895

F18-39

5895

35K→23M

21.8 - 23.0 mi

Top 41%
×5stories
+23ft-63ft

Overall

10921

Females

2988

F18-39

2988

23M→24M

23.0 - 24.0 mi

Top 66%
×6stories
+12ft-82ft

Overall

17672

Females

6723

F18-39

6723

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

17425

Females

6634

F18-39

6634

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

19508

Females

7773

F18-39

7773

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

21256

Females

8688

F18-39

8688

Passing Analysis

Category:
Athletes Passed
2874
Passed By
2376
Net Change
+498
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13314
5K → 10K113259+1073#13314#12241
10K → 15K60129+572#12241#11669
15K → 20K43918+421#11669#11248
20K → Half642+62#11248#11186
Half → 25K19150+141#11186#11045
25K → 30K116338-222#11045#11267
30K → 20M65136-71#11267#11338
20M → 21M9681+15#11338#11323
21M → 35K8254-246#11323#11569
35K → 23M12760+67#11569#11502
23M → 24M11389-378#11502#11880
24M → 40K16273-257#11880#12137
40K → 25.2M2188-186#12137#12323
25.2M → Finish6499-493#12323#12816
TOTALS28742376+498
📊

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