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BOSTON MARATHON 2023

Sarah Miller

Bib: 14611•F

MO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 48%
Gender (Female)
#0 / 11423
Top 31%
Division (F18-39)
#0 / 4884
Top 49%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:07
Rank: #14591
Start → 5K
8:05/mi
25:07 split
10K· 6.21 mi
49:40
Rank: #14348 (+243)
5K → 10K
7:54/mi
24:33 split
15K· 9.32 mi
1:14:19
Rank: #14166 (+182)
10K → 15K
7:56/mi
24:39 split
20K· 12.43 mi
1:40:14
Rank: #14609 (-443)
15K → 20K
8:21/mi
25:55 split
Half· 13.11 mi
1:45:28
Rank: #14471 (+138)
20K → Half
7:40/mi
5:14 split
25K· 15.53 mi
2:05:00
Rank: #14251 (+220)
Half → 25K
8:03/mi
19:32 split
30K· 18.64 mi
2:30:22
Rank: #13827 (+424)
25K → 30K
8:10/mi
25:22 split
20M
2:41:19
Rank: #13560 (+267)
30K → 20M
8:03/mi
10:57 split
21M
2:50:04
Rank: #13445 (+115)
20M → 21M
8:45/mi
8:45 split
35K· 21.75 mi
2:56:04
Rank: #13373 (+72)
21M → 35K
8:01/mi
6:00 split
23M
3:06:16
Rank: #13185 (+188)
35K → 23M
8:09/mi
10:12 split
24M
3:14:08
Rank: #13050 (+135)
23M → 24M
7:52/mi
7:52 split
40K· 24.85 mi
3:20:55
Rank: #12900 (+150)
24M → 40K
7:56/mi
6:47 split
25.2M
3:23:54
Rank: #12862 (+38)
40K → 25.2M
8:39/mi
2:59 split
Finish· 26.22 mi
3:31:49
Rank: #12761 (+101)
25.2M → Finish
7:46/mi
7:55 split

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:45:28
Pace8:03 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:46:21
Pace8:07 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:4125:078:0525:07
8:05
-
10K
6.21 mi11:22:1449:408:0024:33
7:54
-0:11
15K
9.32 mi11:46:531:14:197:5824:39
7:56
+0:02
20K
12.43 mi12:12:481:40:148:0425:55
8:21
+0:25
Half
13.11 mi12:18:021:45:288:035:14
7:40
-0:41
25K
15.53 mi12:37:342:05:008:0319:32
8:03
+0:23
30K
18.64 mi13:02:562:30:228:0425:22
8:10
+0:07
20M
20.00 mi13:13:532:41:198:0410:57
8:03
-0:07
21M
21.00 mi13:22:382:50:048:068:45
8:45
+0:42
35K
21.75 mi13:28:382:56:048:066:00
8:01
-0:44
23M
23.00 mi13:38:503:06:168:0610:12
8:09
+0:08
24M
24.00 mi13:46:423:14:088:057:52
7:52
-0:17
40K
24.85 mi13:53:293:20:558:056:47
7:56
+0:04
25.2M
25.20 mi13:56:283:23:548:052:59
8:39
+0:43
Finish
26.22 mi14:04:233:31:498:057:55
7:46
-0:53

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

8:05 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:20:05

94% of race

Time at Steady Pace

11:44

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:05 /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 mi10:57:4125:078:0525:07
8:05
#14591
10K
6.21 mi11:22:1449:408:0024:33
7:54
#14348
15K
9.32 mi11:46:531:14:197:5824:39
7:56
#14166
20K
12.43 mi12:12:481:40:148:0425:55
8:21
#14609
Half
13.11 mi12:18:021:45:288:035:14
7:40
#14471
25K
15.53 mi12:37:342:05:008:0319:32
8:03
#14251
30K
18.64 mi13:02:562:30:228:0425:22
8:10
#13827
20M
20.00 mi13:13:532:41:198:0410:57
8:03
#13560
21M
21.00 mi13:22:382:50:048:068:45
8:45
#13445
35K
21.75 mi13:28:382:56:048:066:00
8:01
#13373
23M
23.00 mi13:38:503:06:168:0610:12
8:09
#13185
24M
24.00 mi13:46:423:14:088:057:52
7:52
#13050
40K
24.85 mi13:53:293:20:558:056:47
7:56
#12900
25.2M
25.20 mi13:56:283:23:548:052:59
8:39
#12862
Finish
26.22 mi14:04:233:31:498:057:55
7:46
#12761
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi145914382438213867(Top 52%)4007(Top 35%)4007(Top 82%)
10K6.21 mi3.10 mi14348+2434254+1284254+12814013(Top 53%)4052(Top 35%)4052(Top 83%)
15K9.32 mi3.11 mi14166+1824159+954159+9513867(Top 52%)4007(Top 35%)4007(Top 82%)
20K12.43 mi3.11 mi14609-4434435-2764435-27615883(Top 60%)5272(Top 46%)5272(Top 108%)
Half13.11 mi0.68 mi14471+1384356+794356+7911740(Top 44%)2784(Top 24%)2784(Top 57%)
25K15.53 mi2.42 mi14251+2204257+994257+9913202(Top 50%)3745(Top 33%)3745(Top 77%)
30K18.64 mi3.11 mi13827+4244033+2244033+22412108(Top 45%)3246(Top 28%)3246(Top 66%)
20M20.00 mi1.36 mi13560+2673897+1363897+13610751(Top 40%)2619(Top 23%)2619(Top 54%)
21M21.00 mi1.00 mi13445+1153842+553842+5511990(Top 45%)3392(Top 30%)3392(Top 69%)
35K21.75 mi0.75 mi13373+723814+283814+2812313(Top 46%)3604(Top 32%)3604(Top 74%)
23M23.00 mi1.25 mi13185+1883724+903724+9010841(Top 41%)2943(Top 26%)2943(Top 60%)
24M24.00 mi1.00 mi13050+1353677+473677+4710327(Top 39%)2759(Top 24%)2759(Top 56%)
40K24.85 mi0.85 mi12900+1503614+633614+639649(Top 36%)2494(Top 22%)2494(Top 51%)
25.2M25.20 mi0.35 mi12862+383600+143600+1410544(Top 40%)2970(Top 26%)2970(Top 61%)
Finish26.22 mi1.02 mi12761+1013560+403560+4010486(Top 39%)2939(Top 26%)2939(Top 60%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

13867

Females

4007

F18-39

4007

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

14013

Females

4052

F18-39

4052

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

13867

Females

4007

F18-39

4007

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

15883

Females

5272

F18-39

5272

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

11740

Females

2784

F18-39

2784

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

13202

Females

3745

F18-39

3745

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12108

Females

3246

F18-39

3246

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

10751

Females

2619

F18-39

2619

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

11990

Females

3392

F18-39

3392

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

12313

Females

3604

F18-39

3604

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

10841

Females

2943

F18-39

2943

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

10327

Females

2759

F18-39

2759

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9649

Females

2494

F18-39

2494

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10544

Females

2970

F18-39

2970

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2story building
+22ft-21ft

Overall

10486

Females

2939

F18-39

2939

Passing Analysis

Category:
Athletes Passed
2841
Passed By
1011
Net Change
+1830
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14591
5K → 10K432189+243#14591#14348
10K → 15K284102+182#14348#14166
15K → 20K80523-443#14166#14609
20K → Half1402+138#14609#14471
Half → 25K25434+220#14471#14251
25K → 30K45531+424#14251#13827
30K → 20M2714+267#13827#13560
20M → 21M15237+115#13560#13445
21M → 35K9119+72#13445#13373
35K → 23M20618+188#13373#13185
23M → 24M14813+135#13185#13050
24M → 40K16010+150#13050#12900
40K → 25.2M479+38#12900#12862
25.2M → Finish12120+101#12862#12761
TOTALS28411011+1830
📊

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