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BOSTON MARATHON 2023

Lily Wu

Bib: 14970•F

ON

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0:00
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Overall
#0 / 26622
Top 45%
Gender (Female)
#0 / 11423
Top 28%
Division (F18-39)
#0 / 4884
Top 46%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:49
Rank: #11175
Start → 5K
23:49 | 7:40/mi
10K· 6.21 mi
47:40
Rank: #11544 (-369)
5K → 10K
23:51 | 7:41/mi
15K· 9.32 mi
1:11:38
Rank: #11667 (-123)
10K → 15K
23:58 | 7:43/mi
20K· 12.43 mi
1:35:52
Rank: #11643 (+24)
15K → 20K
24:14 | 7:48/mi
Half· 13.11 mi
1:41:06
Rank: #11636 (+7)
20K → Half
5:14 | 7:40/mi
25K· 15.53 mi
2:00:22
Rank: #11709 (-73)
Half → 25K
19:16 | 7:57/mi
30K· 18.64 mi
2:26:08
Rank: #11939 (-230)
25K → 30K
25:46 | 8:18/mi
20M
2:37:47
Rank: #12119 (-180)
30K → 20M
11:39 | 8:34/mi
21M
2:46:46
Rank: #12194 (-75)
20M → 21M
8:59 | 8:59/mi
35K· 21.75 mi
2:53:00
Rank: #12268 (-74)
21M → 35K
6:14 | 8:20/mi
23M
3:03:26
Rank: #12258 (+10)
35K → 23M
10:26 | 8:20/mi
24M
3:11:38
Rank: #12271 (-13)
23M → 24M
8:12 | 8:12/mi
40K· 24.85 mi
3:18:23
Rank: #12141 (+130)
24M → 40K
6:45 | 7:54/mi
25.2M
3:21:25
Rank: #12117 (+24)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:29:27
Rank: #12087 (+30)
25.2M → Finish
8:02 | 7:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:06
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:48:21
Pace8:16 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:3023:497:4023:49
7:40
-
10K
6.21 mi11:17:2147:407:4023:51
7:41
+0:01
15K
9.32 mi11:41:191:11:387:4123:58
7:43
+0:02
20K
12.43 mi12:05:331:35:527:4324:14
7:48
+0:05
Half
13.11 mi12:10:471:41:067:435:14
7:40
-0:08
25K
15.53 mi12:30:032:00:227:4519:16
7:57
+0:17
30K
18.64 mi12:55:492:26:087:5025:46
8:18
+0:21
20M
20.00 mi13:07:282:37:477:5311:39
8:34
+0:16
21M
21.00 mi13:16:272:46:467:568:59
8:59
+0:25
35K
21.75 mi13:22:412:53:007:576:14
8:20
-0:39
23M
23.00 mi13:33:073:03:267:5910:26
8:20
0:00
24M
24.00 mi13:41:193:11:387:598:12
8:12
-0:08
40K
24.85 mi13:48:043:18:237:596:45
7:54
-0:18
25.2M
25.20 mi13:51:063:21:258:003:02
8:48
+0:54
Finish
26.22 mi13:59:083:29:278:008:02
7:53
-0:55

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

7:40 /mi

Average Pace

8:00 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:05:47

89% of race

Time at Steady Pace

23:40

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:59 /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 mi10:53:3023:497:4023:49
7:40
#11175
10K
6.21 mi11:17:2147:407:4023:51
7:41
#11544
15K
9.32 mi11:41:191:11:387:4123:58
7:43
#11667
20K
12.43 mi12:05:331:35:527:4324:14
7:48
#11643
Half
13.11 mi12:10:471:41:067:435:14
7:40
#11636
25K
15.53 mi12:30:032:00:227:4519:16
7:57
#11709
30K
18.64 mi12:55:492:26:087:5025:46
8:18
#11939
20M
20.00 mi13:07:282:37:477:5311:39
8:34
#12119
21M
21.00 mi13:16:272:46:467:568:59
8:59
#12194
35K
21.75 mi13:22:412:53:007:576:14
8:20
#12268
23M
23.00 mi13:33:073:03:267:5910:26
8:20
#12258
24M
24.00 mi13:41:193:11:387:598:12
8:12
#12271
40K
24.85 mi13:48:043:18:237:596:45
7:54
#12141
25.2M
25.20 mi13:51:063:21:258:003:02
8:48
#12117
Finish
26.22 mi13:59:083:29:278:008:02
7:53
#12087
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi111752422242211984(Top 45%)2895(Top 25%)2895(Top 59%)
10K6.21 mi3.10 mi11544-3692627-2052627-20512042(Top 45%)2899(Top 25%)2899(Top 59%)
15K9.32 mi3.11 mi11667-1232702-752702-7511984(Top 45%)2895(Top 25%)2895(Top 59%)
20K12.43 mi3.11 mi11643+242706-42706-411766(Top 44%)2829(Top 25%)2829(Top 58%)
Half13.11 mi0.68 mi11636+72705+12705+111724(Top 44%)2768(Top 24%)2768(Top 57%)
25K15.53 mi2.42 mi11709-732764-592764-5912291(Top 46%)3245(Top 28%)3245(Top 66%)
30K18.64 mi3.11 mi11939-2302947-1832947-18312989(Top 49%)3748(Top 33%)3748(Top 77%)
20M20.00 mi1.36 mi12119-1803065-1183065-11814075(Top 53%)4447(Top 39%)4447(Top 91%)
21M21.00 mi1.00 mi12194-753118-533118-5313327(Top 50%)4114(Top 36%)4114(Top 84%)
35K21.75 mi0.75 mi12268-743178-603178-6014290(Top 54%)4707(Top 41%)4707(Top 96%)
23M23.00 mi1.25 mi12258+103200-223200-2212143(Top 46%)3593(Top 31%)3593(Top 74%)
24M24.00 mi1.00 mi12271-133226-263226-2612616(Top 47%)3916(Top 34%)3916(Top 80%)
40K24.85 mi0.85 mi12141+1303183+433183+439363(Top 35%)2345(Top 21%)2345(Top 48%)
25.2M25.20 mi0.35 mi12117+243173+103173+1011375(Top 43%)3387(Top 30%)3387(Top 69%)
Finish26.22 mi1.02 mi12087+303174-13174-111310(Top 42%)3348(Top 29%)3348(Top 69%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21stories
+97ft-345ft

Overall

11984

Females

2895

F18-39

2895

5K→10K

3.1 - 6.2 mi

Top 45%
×5stories
+79ft-138ft

Overall

12042

Females

2899

F18-39

2899

10K→15K

6.2 - 9.3 mi

Top 45%
×3stories
+67ft-78ft

Overall

11984

Females

2895

F18-39

2895

15K→20K

9.3 - 12.4 mi

Top 44%
×5stories
+106ft-86ft

Overall

11766

Females

2829

F18-39

2829

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

11724

Females

2768

F18-39

2768

Half→25K

13.1 - 15.5 mi

Top 46%
×4stories
+66ft-88ft

Overall

12291

Females

3245

F18-39

3245

25K→30K

15.5 - 18.6 mi

Top 49%
×9stories
+181ft-148ft

Overall

12989

Females

3748

F18-39

3748

30K→20M

18.6 - 20.0 mi

Top 53%
×5stories
+64ft-50ft

Overall

14075

Females

4447

F18-39

4447

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

13327

Females

4114

F18-39

4114

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

14290

Females

4707

F18-39

4707

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

12143

Females

3593

F18-39

3593

23M→24M

23.0 - 24.0 mi

Top 47%
×6stories
+12ft-82ft

Overall

12616

Females

3916

F18-39

3916

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9363

Females

2345

F18-39

2345

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11375

Females

3387

F18-39

3387

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2stories
+22ft-21ft

Overall

11310

Females

3348

F18-39

3348

Passing Analysis

Category:
Athletes Passed
1303
Passed By
2215
Net Change
-912
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11175
5K → 10K168537-369#11175#11544
10K → 15K132255-123#11544#11667
15K → 20K175151+24#11667#11643
20K → Half2922+7#11643#11636
Half → 25K121194-73#11636#11709
25K → 30K116346-230#11709#11939
30K → 20M59239-180#11939#12119
20M → 21M62137-75#12119#12194
21M → 35K2397-74#12194#12268
35K → 23M9989+10#12268#12258
23M → 24M5770-13#12258#12271
24M → 40K1366+130#12271#12141
40K → 25.2M4016+24#12141#12117
25.2M → Finish8656+30#12117#12087
TOTALS13032215-912
📊

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