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BOSTON MARATHON 2023

Elizabeth Miller

Bib: 19158•F

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0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 37%
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
25:25
Rank: #15330
Start → 5K
25:25 | 8:11/mi
10K· 6.21 mi
50:11
Rank: #14950 (+380)
5K → 10K
24:46 | 7:58/mi
15K· 9.32 mi
1:15:04
Rank: #14776 (+174)
10K → 15K
24:53 | 8:01/mi
20K· 12.43 mi
1:40:08
Rank: #14544 (+232)
15K → 20K
25:04 | 8:04/mi
Half· 13.11 mi
1:45:35
Rank: #14533 (+11)
20K → Half
5:27 | 7:59/mi
25K· 15.53 mi
2:05:14
Rank: #14354 (+179)
Half → 25K
19:39 | 8:06/mi
30K· 18.64 mi
2:31:21
Rank: #14239 (+115)
25K → 30K
26:07 | 8:24/mi
20M
2:43:01
Rank: #14221 (+18)
30K → 20M
11:40 | 8:35/mi
21M
2:52:18
Rank: #14254 (-33)
20M → 21M
9:17 | 9:17/mi
35K· 21.75 mi
2:58:30
Rank: #14226 (+28)
21M → 35K
6:12 | 8:17/mi
23M
3:09:05
Rank: #14103 (+123)
35K → 23M
10:35 | 8:27/mi
24M
3:17:21
Rank: #14042 (+61)
23M → 24M
8:16 | 8:16/mi
40K· 24.85 mi
3:24:31
Rank: #13959 (+83)
24M → 40K
7:10 | 8:23/mi
25.2M
3:27:36
Rank: #13926 (+33)
40K → 25.2M
3:05 | 8:56/mi
Finish· 26.22 mi
3:35:52
Rank: #13871 (+55)
25.2M → Finish
8:16 | 8:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:35
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:50:17
Pace8:25 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:2525:258:1125:25
8:11
-
10K
6.21 mi11:42:1150:118:0524:46
7:58
-0:13
15K
9.32 mi12:07:041:15:048:0324:53
8:01
+0:03
20K
12.43 mi12:32:081:40:088:0325:04
8:04
+0:03
Half
13.11 mi12:37:351:45:358:035:27
7:59
-0:05
25K
15.53 mi12:57:142:05:148:0419:39
8:06
+0:07
30K
18.64 mi13:23:212:31:218:0726:07
8:24
+0:18
20M
20.00 mi13:35:012:43:018:0911:40
8:35
+0:11
21M
21.00 mi13:44:182:52:188:129:17
9:17
+0:42
35K
21.75 mi13:50:302:58:308:126:12
8:17
-1:00
23M
23.00 mi14:01:053:09:058:1310:35
8:27
+0:10
24M
24.00 mi14:09:213:17:218:138:16
8:16
-0:11
40K
24.85 mi14:16:313:24:318:147:10
8:23
+0:07
25.2M
25.20 mi14:19:363:27:368:143:05
8:56
+0:33
Finish
26.22 mi14:27:523:35:528:148:16
8:07
-0:49

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

7:58 /mi

Average Pace

8:14 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:23:30

94% of race

Time at Steady Pace

12:22

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:14 /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 mi11:17:2525:258:1125:25
8:11
#15330
10K
6.21 mi11:42:1150:118:0524:46
7:58
#14950
15K
9.32 mi12:07:041:15:048:0324:53
8:01
#14776
20K
12.43 mi12:32:081:40:088:0325:04
8:04
#14544
Half
13.11 mi12:37:351:45:358:035:27
7:59
#14533
25K
15.53 mi12:57:142:05:148:0419:39
8:06
#14354
30K
18.64 mi13:23:212:31:218:0726:07
8:24
#14239
20M
20.00 mi13:35:012:43:018:0911:40
8:35
#14221
21M
21.00 mi13:44:182:52:188:129:17
9:17
#14254
35K
21.75 mi13:50:302:58:308:126:12
8:17
#14226
23M
23.00 mi14:01:053:09:058:1310:35
8:27
#14103
24M
24.00 mi14:09:213:17:218:138:16
8:16
#14042
40K
24.85 mi14:16:313:24:318:147:10
8:23
#13959
25.2M
25.20 mi14:19:363:27:368:143:05
8:56
#13926
Finish
26.22 mi14:27:523:35:528:148:16
8:07
#13871
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi153304850485014471(Top 54%)4363(Top 38%)4363(Top 89%)
10K6.21 mi3.10 mi14950+3804621+2294621+22914600(Top 55%)4416(Top 39%)4416(Top 90%)
15K9.32 mi3.11 mi14776+1744525+964525+9614471(Top 54%)4363(Top 38%)4363(Top 89%)
20K12.43 mi3.11 mi14544+2324396+1294396+12914007(Top 53%)4114(Top 36%)4114(Top 84%)
Half13.11 mi0.68 mi14533+114387+94387+914327(Top 54%)4271(Top 37%)4271(Top 87%)
25K15.53 mi2.42 mi14354+1794317+704317+7013554(Top 51%)3954(Top 35%)3954(Top 81%)
30K18.64 mi3.11 mi14239+1154289+284289+2813745(Top 52%)4179(Top 37%)4179(Top 86%)
20M20.00 mi1.36 mi14221+184304-154304-1514173(Top 53%)4515(Top 40%)4515(Top 92%)
21M21.00 mi1.00 mi14254-334349-454349-4514905(Top 56%)4994(Top 44%)4994(Top 102%)
35K21.75 mi0.75 mi14226+284348+14348+114045(Top 53%)4581(Top 40%)4581(Top 94%)
23M23.00 mi1.25 mi14103+1234291+574291+5712945(Top 49%)4041(Top 35%)4041(Top 83%)
24M24.00 mi1.00 mi14042+614277+144277+1413089(Top 49%)4178(Top 37%)4178(Top 86%)
40K24.85 mi0.85 mi13959+834248+294248+2912620(Top 47%)4012(Top 35%)4012(Top 82%)
25.2M25.20 mi0.35 mi13926+334234+144234+1412248(Top 46%)3861(Top 34%)3861(Top 79%)
Finish26.22 mi1.02 mi13871+554215+194215+1912881(Top 48%)4152(Top 36%)4152(Top 85%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

14471

Females

4363

F18-39

4363

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

14600

Females

4416

F18-39

4416

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

14471

Females

4363

F18-39

4363

15K→20K

9.3 - 12.4 mi

Top 53%
×5stories
+106ft-86ft

Overall

14007

Females

4114

F18-39

4114

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

14327

Females

4271

F18-39

4271

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

13554

Females

3954

F18-39

3954

25K→30K

15.5 - 18.6 mi

Top 52%
×9stories
+181ft-148ft

Overall

13745

Females

4179

F18-39

4179

30K→20M

18.6 - 20.0 mi

Top 53%
×5stories
+64ft-50ft

Overall

14173

Females

4515

F18-39

4515

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

14905

Females

4994

F18-39

4994

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

14045

Females

4581

F18-39

4581

35K→23M

21.8 - 23.0 mi

Top 49%
×5stories
+23ft-63ft

Overall

12945

Females

4041

F18-39

4041

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

13089

Females

4178

F18-39

4178

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12620

Females

4012

F18-39

4012

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12248

Females

3861

F18-39

3861

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

12881

Females

4152

F18-39

4152

Passing Analysis

Category:
Athletes Passed
2364
Passed By
905
Net Change
+1459
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15330
5K → 10K525145+380#15330#14950
10K → 15K280106+174#14950#14776
15K → 20K31886+232#14776#14544
20K → Half3827+11#14544#14533
Half → 25K23354+179#14533#14354
25K → 30K242127+115#14354#14239
30K → 20M9274+18#14239#14221
20M → 21M67100-33#14221#14254
21M → 35K6234+28#14254#14226
35K → 23M16037+123#14226#14103
23M → 24M9433+61#14103#14042
24M → 40K11027+83#14042#13959
40K → 25.2M4916+33#13959#13926
25.2M → Finish9439+55#13926#13871
TOTALS2364905+1459
📊

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