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BOSTON MARATHON 2023

Kimberly Miller

Bib: 13679•F

MI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 26%
Gender (Female)
#0 / 11423
Top 8%
Division (F18-39)
#0 / 4884
Top 15%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:57
Rank: #11527
Start → 5K
23:57 | 7:43/mi
10K· 6.21 mi
47:12
Rank: #10885 (+642)
5K → 10K
23:15 | 7:29/mi
15K· 9.32 mi
1:10:16
Rank: #10410 (+475)
10K → 15K
23:04 | 7:25/mi
20K· 12.43 mi
1:33:06
Rank: #9753 (+657)
15K → 20K
22:50 | 7:21/mi
Half· 13.11 mi
1:38:04
Rank: #9671 (+82)
20K → Half
4:58 | 7:17/mi
25K· 15.53 mi
1:55:49
Rank: #9279 (+392)
Half → 25K
17:45 | 7:19/mi
30K· 18.64 mi
2:18:29
Rank: #8594 (+685)
25K → 30K
22:40 | 7:18/mi
20M
2:28:16
Rank: #8267 (+327)
30K → 20M
9:47 | 7:12/mi
21M
2:35:41
Rank: #7980 (+287)
20M → 21M
7:25 | 7:25/mi
35K· 21.75 mi
2:40:53
Rank: #7832 (+148)
21M → 35K
5:12 | 6:57/mi
23M
2:49:49
Rank: #7564 (+268)
35K → 23M
8:56 | 7:08/mi
24M
2:56:46
Rank: #7375 (+189)
23M → 24M
6:57 | 6:57/mi
40K· 24.85 mi
3:02:51
Rank: #7248 (+127)
24M → 40K
6:05 | 7:07/mi
25.2M
3:05:24
Rank: #7158 (+90)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
3:12:24
Rank: #6989 (+169)
25.2M → Finish
7:00 | 6:52/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:38:04
Pace7:29 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:34:20
Pace7:12 /mi
📊Negative Split: 3.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5323:577:4323:57
7:43
-
10K
6.21 mi11:16:0847:127:3623:15
7:29
-0:14
15K
9.32 mi11:39:121:10:167:3223:04
7:25
-0:04
20K
12.43 mi12:02:021:33:067:2922:50
7:21
-0:04
Half
13.11 mi12:07:001:38:047:294:58
7:17
-0:04
25K
15.53 mi12:24:451:55:497:2717:45
7:19
+0:02
30K
18.64 mi12:47:252:18:297:2622:40
7:18
-0:01
20M
20.00 mi12:57:122:28:167:259:47
7:12
-0:06
21M
21.00 mi13:04:372:35:417:257:25
7:25
+0:13
35K
21.75 mi13:09:492:40:537:245:12
6:57
-0:28
23M
23.00 mi13:18:452:49:497:238:56
7:08
+0:11
24M
24.00 mi13:25:422:56:467:226:57
6:57
-0:11
40K
24.85 mi13:31:473:02:517:216:05
7:07
+0:10
25.2M
25.20 mi13:34:203:05:247:212:33
7:24
+0:17
Finish
26.22 mi13:41:203:12:247:217:00
6:52
-0:32

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

6:52 /mi

Average Pace

7:21 /mi

Slowest Pace

7:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:27

88% of race

Time at Steady Pace

23:57

12% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:20 /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 mi10:52:5323:577:4323:57
7:43
#11527
10K
6.21 mi11:16:0847:127:3623:15
7:29
#10885
15K
9.32 mi11:39:121:10:167:3223:04
7:25
#10410
20K
12.43 mi12:02:021:33:067:2922:50
7:21
#9753
Half
13.11 mi12:07:001:38:047:294:58
7:17
#9671
25K
15.53 mi12:24:451:55:497:2717:45
7:19
#9279
30K
18.64 mi12:47:252:18:297:2622:40
7:18
#8594
20M
20.00 mi12:57:122:28:167:259:47
7:12
#8267
21M
21.00 mi13:04:372:35:417:257:25
7:25
#7980
35K
21.75 mi13:09:492:40:537:245:12
6:57
#7832
23M
23.00 mi13:18:452:49:497:238:56
7:08
#7564
24M
24.00 mi13:25:422:56:467:226:57
6:57
#7375
40K
24.85 mi13:31:473:02:517:216:05
7:07
#7248
25.2M
25.20 mi13:34:203:05:247:212:33
7:24
#7158
Finish
26.22 mi13:41:203:12:247:217:00
6:52
#6989
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi11527260026009562(Top 36%)1643(Top 14%)1643(Top 34%)
10K6.21 mi3.10 mi10885+6422265+3352265+33510320(Top 39%)1963(Top 17%)1963(Top 40%)
15K9.32 mi3.11 mi10410+4752016+2492016+2499562(Top 36%)1643(Top 14%)1643(Top 34%)
20K12.43 mi3.11 mi9753+6571729+2871729+2878146(Top 31%)1152(Top 10%)1152(Top 24%)
Half13.11 mi0.68 mi9671+821692+371692+378481(Top 32%)1260(Top 11%)1260(Top 26%)
25K15.53 mi2.42 mi9279+3921554+1381554+1387431(Top 28%)985(Top 9%)985(Top 20%)
30K18.64 mi3.11 mi8594+6851331+2231331+2236010(Top 23%)636(Top 6%)636(Top 13%)
20M20.00 mi1.36 mi8267+3271237+941237+945129(Top 19%)488(Top 4%)488(Top 10%)
21M21.00 mi1.00 mi7980+2871140+971140+974231(Top 16%)353(Top 3%)353(Top 7%)
35K21.75 mi0.75 mi7832+1481095+451095+455113(Top 19%)539(Top 5%)539(Top 11%)
23M23.00 mi1.25 mi7564+2681022+731022+734513(Top 17%)424(Top 4%)424(Top 9%)
24M24.00 mi1.00 mi7375+189980+42980+424452(Top 17%)433(Top 4%)433(Top 9%)
40K24.85 mi0.85 mi7248+127957+23957+234483(Top 17%)510(Top 4%)510(Top 10%)
25.2M25.20 mi0.35 mi7158+90933+24933+243491(Top 13%)354(Top 3%)354(Top 7%)
Finish26.22 mi1.02 mi6989+169910+23910+234489(Top 17%)582(Top 5%)582(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

9562

Females

1643

F18-39

1643

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

10320

Females

1963

F18-39

1963

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

9562

Females

1643

F18-39

1643

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8146

Females

1152

F18-39

1152

20K→Half

12.4 - 13.1 mi

Top 32%
×2stories
+19ft-37ft

Overall

8481

Females

1260

F18-39

1260

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7431

Females

985

F18-39

985

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6010

Females

636

F18-39

636

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

5129

Females

488

F18-39

488

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4231

Females

353

F18-39

353

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5113

Females

539

F18-39

539

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4513

Females

424

F18-39

424

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4452

Females

433

F18-39

433

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4483

Females

510

F18-39

510

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3491

Females

354

F18-39

354

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4489

Females

582

F18-39

582

Passing Analysis

Category:
Athletes Passed
4706*
Passed By
168
Net Change
+4538
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11527
5K → 10K73290+642#11527#10885
10K → 15K51540+475#10885#10410
15K → 20K660*3+657#10410#9753
20K → Half853+82#9753#9671
Half → 25K3953+392#9671#9279
25K → 30K6872+685#9279#8594
30K → 20M3270+327#8594#8267
20M → 21M2892+287#8267#7980
21M → 35K1513+148#7980#7832
35K → 23M2713+268#7832#7564
23M → 24M1934+189#7564#7375
24M → 40K1358+127#7375#7248
40K → 25.2M900+90#7248#7158
25.2M → Finish1767+169#7158#6989
TOTALS4706*168+4538

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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