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BOSTON MARATHON 2023

Lilly Lee

Bib: 27022•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
34:02
Rank: #25612
Start → 5K
34:02 | 10:57/mi
10K· 6.21 mi
1:04:04
Rank: #24294 (+1318)
5K → 10K
30:02 | 9:40/mi
15K· 9.32 mi
1:36:32
Rank: #24343 (-49)
10K → 15K
32:28 | 10:27/mi
20K· 12.43 mi
2:09:12
Rank: #24214 (+129)
15K → 20K
32:40 | 10:31/mi
Half· 13.11 mi
2:15:47
Rank: #24119 (+95)
20K → Half
6:35 | 9:39/mi
25K· 15.53 mi
2:44:54
Rank: #24382 (-263)
Half → 25K
29:07 | 12:01/mi
30K· 18.64 mi
3:19:01
Rank: #24125 (+257)
25K → 30K
34:07 | 10:59/mi
20M
3:33:44
Rank: #24017 (+108)
30K → 20M
14:43 | 10:50/mi
21M
3:45:44
Rank: #23950 (+67)
20M → 21M
12:00 | 12:00/mi
35K· 21.75 mi
3:53:54
Rank: #23924 (+26)
21M → 35K
8:10 | 10:55/mi
23M
4:07:57
Rank: #23880 (+44)
35K → 23M
14:03 | 11:13/mi
24M
4:19:08
Rank: #23852 (+28)
23M → 24M
11:11 | 11:11/mi
40K· 24.85 mi
4:29:14
Rank: #23858 (-6)
24M → 40K
10:06 | 11:49/mi
25.2M
4:33:32
Rank: #23844 (+14)
40K → 25.2M
4:18 | 12:28/mi
Finish· 26.22 mi
4:44:22
Rank: #23834 (+10)
25.2M → Finish
10:50 | 10:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:47
Pace10:21 /mi
2nd Half
Distance13.11 mi
Time2:28:35
Pace11:20 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:1934:0210:5734:02
10:57
-
10K
6.21 mi12:21:211:04:0410:1930:02
9:40
-1:17
15K
9.32 mi12:53:491:36:3210:2132:28
10:27
+0:47
20K
12.43 mi13:26:292:09:1210:2432:40
10:31
+0:04
Half
13.11 mi13:33:042:15:4710:216:35
9:39
-0:52
25K
15.53 mi14:02:112:44:5410:3729:07
12:01
+2:22
30K
18.64 mi14:36:183:19:0110:4134:07
10:59
-1:02
20M
20.00 mi14:51:013:33:4410:4114:43
10:50
-0:09
21M
21.00 mi15:03:013:45:4410:4512:00
12:00
+1:10
35K
21.75 mi15:11:113:53:5410:458:10
10:55
-1:05
23M
23.00 mi15:25:144:07:5710:4714:03
11:13
+0:18
24M
24.00 mi15:36:254:19:0810:4811:11
11:11
-0:02
40K
24.85 mi15:46:314:29:1410:5010:06
11:49
+0:38
25.2M
25.20 mi15:50:494:33:3210:514:18
12:28
+0:39
Finish
26.22 mi16:01:394:44:2210:5110:50
10:38
-1:50

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

9:39 /mi

Average Pace

10:51 /mi

Slowest Pace

12:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:45

36% of race

Time at Steady Pace

2:07:06

45% of race

Time at Slower Pace

55:31

20% of race

Average Pace: 10:51 /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 mi11:51:1934:0210:5734:02
10:57
#25612
10K
6.21 mi12:21:211:04:0410:1930:02
9:40
#24294
15K
9.32 mi12:53:491:36:3210:2132:28
10:27
#24343
20K
12.43 mi13:26:292:09:1210:2432:40
10:31
#24214
Half
13.11 mi13:33:042:15:4710:216:35
9:39
#24119
25K
15.53 mi14:02:112:44:5410:3729:07
12:01
#24382
30K
18.64 mi14:36:183:19:0110:4134:07
10:59
#24125
20M
20.00 mi14:51:013:33:4410:4114:43
10:50
#24017
21M
21.00 mi15:03:013:45:4410:4512:00
12:00
#23950
35K
21.75 mi15:11:113:53:5410:458:10
10:55
#23924
23M
23.00 mi15:25:144:07:5710:4714:03
11:13
#23880
24M
24.00 mi15:36:254:19:0810:4811:11
11:11
#23852
40K
24.85 mi15:46:314:29:1410:5010:06
11:49
#23858
25.2M
25.20 mi15:50:494:33:3210:514:18
12:28
#23844
Finish
26.22 mi16:01:394:44:2210:5110:50
10:38
#23834
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25612107951079524371(Top 92%)10101(Top 88%)10101(Top 207%)
10K6.21 mi3.10 mi24294+131810051+74410051+74422976(Top 86%)9324(Top 82%)9324(Top 191%)
15K9.32 mi3.11 mi24343-4910078-2710078-2724371(Top 92%)10101(Top 88%)10101(Top 207%)
20K12.43 mi3.11 mi24214+12910012+6610012+6623862(Top 90%)9827(Top 86%)9827(Top 201%)
Half13.11 mi0.68 mi24119+959965+479965+4722551(Top 85%)9114(Top 80%)9114(Top 187%)
25K15.53 mi2.42 mi24382-26310120-15510120-15525168(Top 95%)10613(Top 93%)10613(Top 217%)
30K18.64 mi3.11 mi24125+2579990+1309990+13023073(Top 87%)9494(Top 83%)9494(Top 194%)
20M20.00 mi1.36 mi24017+1089937+539937+5322403(Top 84%)9199(Top 81%)9199(Top 188%)
21M21.00 mi1.00 mi23950+679909+289909+2822764(Top 86%)9422(Top 82%)9422(Top 193%)
35K21.75 mi0.75 mi23924+269904+59904+523164(Top 87%)9678(Top 85%)9678(Top 198%)
23M23.00 mi1.25 mi23880+449888+169888+1622768(Top 86%)9475(Top 83%)9475(Top 194%)
24M24.00 mi1.00 mi23852+289878+109878+1023385(Top 88%)9840(Top 86%)9840(Top 201%)
40K24.85 mi0.85 mi23858-69891-139891-1323661(Top 89%)10026(Top 88%)10026(Top 205%)
25.2M25.20 mi0.35 mi23844+149884+79884+723256(Top 87%)9802(Top 86%)9802(Top 201%)
Finish26.22 mi1.02 mi23834+109885-19885-123292(Top 87%)9799(Top 86%)9799(Top 201%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21stories
+97ft-345ft

Overall

24371

Females

10101

F18-39

10101

5K→10K

3.1 - 6.2 mi

Top 86%
×5stories
+79ft-138ft

Overall

22976

Females

9324

F18-39

9324

10K→15K

6.2 - 9.3 mi

Top 92%
×3stories
+67ft-78ft

Overall

24371

Females

10101

F18-39

10101

15K→20K

9.3 - 12.4 mi

Top 90%
×5stories
+106ft-86ft

Overall

23862

Females

9827

F18-39

9827

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

22551

Females

9114

F18-39

9114

Half→25K

13.1 - 15.5 mi

Top 95%
×4stories
+66ft-88ft

Overall

25168

Females

10613

F18-39

10613

25K→30K

15.5 - 18.6 mi

Top 87%
×9stories
+181ft-148ft

Overall

23073

Females

9494

F18-39

9494

30K→20M

18.6 - 20.0 mi

Top 84%
×5stories
+64ft-50ft

Overall

22403

Females

9199

F18-39

9199

20M→21M

20.0 - 21.0 mi

Top 86%
×8stories
+106ft-24ft

Overall

22764

Females

9422

F18-39

9422

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

23164

Females

9678

F18-39

9678

35K→23M

21.8 - 23.0 mi

Top 86%
×5stories
+23ft-63ft

Overall

22768

Females

9475

F18-39

9475

23M→24M

23.0 - 24.0 mi

Top 88%
×6stories
+12ft-82ft

Overall

23385

Females

9840

F18-39

9840

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

23661

Females

10026

F18-39

10026

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

23256

Females

9802

F18-39

9802

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

23292

Females

9799

F18-39

9799

Passing Analysis

Category:
Athletes Passed
2427
Passed By
649
Net Change
+1778
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25612
5K → 10K13180+1318#25612#24294
10K → 15K109158-49#24294#24343
15K → 20K17243+129#24343#24214
20K → Half961+95#24214#24119
Half → 25K28291-263#24119#24382
25K → 30K28427+257#24382#24125
30K → 20M1157+108#24125#24017
20M → 21M7912+67#24017#23950
21M → 35K4115+26#23950#23924
35K → 23M6521+44#23924#23880
23M → 24M5022+28#23880#23852
24M → 40K2329-6#23852#23858
40K → 25.2M206+14#23858#23844
25.2M → Finish2717+10#23844#23834
TOTALS2427649+1778
📊

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