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BOSTON MARATHON 2023

Lily Hammill

Bib: 25357•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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:02/mi
28:03
↑ 97↓ 3451.5%
10K· 6.21 mi
8:54/mi
55:43
↑ 79↓ 1380.4%
15K· 9.32 mi
9:03/mi
1:23:50
↑ 67↓ 78
20K· 12.43 mi
9:09/mi
1:52:17
↑ 106↓ 860.1%
Half· 13.11 mi
8:58/mi
1:58:24
↑ 19↓ 370.5%
25K· 15.53 mi
9:34/mi
2:21:35
↑ 66↓ 880.2%
30K· 18.64 mi
10:36/mi
2:54:32
↑ 181↓ 1480.2%
20M
12:06/mi
3:10:58
↑ 64↓ 500.2%
21M
12:33/mi
3:23:31
↑ 106↓ 241.6%
35K· 21.75 mi
10:11/mi
3:31:08
↑ 17↓ 861.7%
23M
11:48/mi
3:45:55
↑ 23↓ 630.6%
24M
10:23/mi
3:56:18
↓ 821.3%
40K· 24.85 mi
10:48/mi
4:05:32
↓ 200.3%
25.2M
11:53/mi
4:09:38
↑ 13↓ 160.2%
Finish· 26.22 mi
10:51/mi
4:20:41
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:24
Pace9:02 /mi
2nd Half
Distance13.11 mi
Time2:22:17
Pace10:51 /mi
📊Positive Split: 20.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:0328:039:0228:03
9:02
-
10K
6.21 mi12:11:4355:438:5827:40
8:54
-0:08
15K
9.32 mi12:39:501:23:509:0028:07
9:03
+0:09
20K
12.43 mi13:08:171:52:179:0228:27
9:09
+0:06
Half
13.11 mi13:14:241:58:249:026:07
8:58
-0:11
25K
15.53 mi13:37:352:21:359:0723:11
9:34
+0:36
30K
18.64 mi14:10:322:54:329:2232:57
10:36
+1:02
20M
20.00 mi14:26:583:10:589:3316:26
12:06
+1:30
21M
21.00 mi14:39:313:23:319:4112:33
12:33
+0:27
35K
21.75 mi14:47:083:31:089:427:37
10:11
-2:22
23M
23.00 mi15:01:553:45:559:4914:47
11:48
+1:37
24M
24.00 mi15:12:183:56:189:5110:23
10:23
-1:25
40K
24.85 mi15:21:324:05:329:539:14
10:48
+0:25
25.2M
25.20 mi15:25:384:09:389:544:06
11:53
+1:05
Finish
26.22 mi15:36:414:20:419:5711:03
10:51
-1:02

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

8:54 /mi

Average Pace

9:57 /mi

Slowest Pace

12:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:35

54% of race

Time at Steady Pace

1:11:14

27% of race

Time at Slower Pace

47:52

18% of race

Average Pace: 9:57 /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 mi11:44:0328:039:0228:03
9:02
#20590
10K
6.21 mi12:11:4355:438:5827:40
8:54
#20517
15K
9.32 mi12:39:501:23:509:0028:07
9:03
#20543
20K
12.43 mi13:08:171:52:179:0228:27
9:09
#20517
Half
13.11 mi13:14:241:58:249:026:07
8:58
#20502
25K
15.53 mi13:37:352:21:359:0723:11
9:34
#20625
30K
18.64 mi14:10:322:54:329:2232:57
10:36
#21060
20M
20.00 mi14:26:583:10:589:3316:26
12:06
#21453
21M
21.00 mi14:39:313:23:319:4112:33
12:33
#21622
35K
21.75 mi14:47:083:31:089:427:37
10:11
#21629
23M
23.00 mi15:01:553:45:559:4914:47
11:48
#21817
24M
24.00 mi15:12:183:56:189:5110:23
10:23
#21811
40K
24.85 mi15:21:324:05:329:539:14
10:48
#21814
25.2M
25.20 mi15:25:384:09:389:544:06
11:53
#21820
Finish
26.22 mi15:36:414:20:419:5711:03
10:51
#21904
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi205908166816620746(Top 78%)8093(Top 71%)8093(Top 166%)
10K6.21 mi3.10 mi20517+738045+1218045+12120454(Top 77%)7954(Top 70%)7954(Top 163%)
15K9.32 mi3.11 mi20543-268041+48041+420746(Top 78%)8093(Top 71%)8093(Top 166%)
20K12.43 mi3.11 mi20517+268008+338008+3320408(Top 77%)7911(Top 69%)7911(Top 162%)
Half13.11 mi0.68 mi20502+157995+137995+1320355(Top 76%)7890(Top 69%)7890(Top 162%)
25K15.53 mi2.42 mi20625-1238055-608055-6021045(Top 79%)8295(Top 73%)8295(Top 170%)
30K18.64 mi3.11 mi21060-4358318-2638318-26322424(Top 84%)9140(Top 80%)9140(Top 187%)
20M20.00 mi1.36 mi21453-3938543-2258543-22524316(Top 91%)10242(Top 90%)10242(Top 210%)
21M21.00 mi1.00 mi21622-1698645-1028645-10223518(Top 88%)9819(Top 86%)9819(Top 201%)
35K21.75 mi0.75 mi21629-78661-168661-1621751(Top 82%)8905(Top 78%)8905(Top 182%)
23M23.00 mi1.25 mi21817-1888772-1118772-11123730(Top 89%)9969(Top 87%)9969(Top 204%)
24M24.00 mi1.00 mi21811+68778-68778-621759(Top 82%)8980(Top 79%)8980(Top 184%)
40K24.85 mi0.85 mi21814-38798-208798-2021949(Top 82%)9126(Top 80%)9126(Top 187%)
25.2M25.20 mi0.35 mi21820-68802-48802-422312(Top 84%)9290(Top 81%)9290(Top 190%)
Finish26.22 mi1.02 mi21904-848856-548856-5423692(Top 89%)10003(Top 88%)10003(Top 205%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

20746

Females

8093

F18-39

8093

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

20454

Females

7954

F18-39

7954

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

20746

Females

8093

F18-39

8093

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

20408

Females

7911

F18-39

7911

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

20355

Females

7890

F18-39

7890

Half→25K

13.1 - 15.5 mi

Top 79%
×4story building
+66ft-88ft

Overall

21045

Females

8295

F18-39

8295

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

22424

Females

9140

F18-39

9140

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

24316

Females

10242

F18-39

10242

20M→21M

20.0 - 21.0 mi

Top 88%
×8story building
+106ft-24ft

Overall

23518

Females

9819

F18-39

9819

21M→35K

21.0 - 21.8 mi

Top 82%
×7story building
+17ft-86ft

Overall

21751

Females

8905

F18-39

8905

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

23730

Females

9969

F18-39

9969

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

21759

Females

8980

F18-39

8980

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

21949

Females

9126

F18-39

9126

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22312

Females

9290

F18-39

9290

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

23692

Females

10003

F18-39

10003

Passing Analysis

Category:
Athletes Passed
1032
Passed By
2346
Net Change
-1314
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20590
5K → 10K348275+73#20590#20517
10K → 15K164190-26#20517#20543
15K → 20K169143+26#20543#20517
20K → Half3621+15#20517#20502
Half → 25K61184-123#20502#20625
25K → 30K53488-435#20625#21060
30K → 20M16409-393#21060#21453
20M → 21M20189-169#21453#21622
21M → 35K3643-7#21622#21629
35K → 23M23211-188#21629#21817
23M → 24M3428+6#21817#21811
24M → 40K4043-3#21811#21814
40K → 25.2M1622-6#21814#21820
25.2M → Finish16100-84#21820#21904
TOTALS10322346-1314
📊

Passing Visuals

Category:
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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