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BOSTON MARATHON 2023

Isabella Miller

Bib: 26352•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
31:45
Rank: #24004
Start → 5K
31:45 | 10:13/mi
10K· 6.21 mi
1:02:50
Rank: #23876 (+128)
5K → 10K
31:05 | 10:00/mi
15K· 9.32 mi
1:33:41
Rank: #23708 (+168)
10K → 15K
30:51 | 9:56/mi
20K· 12.43 mi
2:05:15
Rank: #23594 (+114)
15K → 20K
31:34 | 10:10/mi
Half· 13.11 mi
2:12:13
Rank: #23608 (-14)
20K → Half
6:58 | 10:13/mi
25K· 15.53 mi
2:37:56
Rank: #23542 (+66)
Half → 25K
25:43 | 10:36/mi
30K· 18.64 mi
3:11:33
Rank: #23387 (+155)
25K → 30K
33:37 | 10:49/mi
20M
3:26:21
Rank: #23322 (+65)
30K → 20M
14:48 | 10:53/mi
21M
3:37:56
Rank: #23252 (+70)
20M → 21M
11:35 | 11:35/mi
35K· 21.75 mi
3:46:15
Rank: #23255 (-3)
21M → 35K
8:19 | 11:07/mi
23M
4:00:01
Rank: #23216 (+39)
35K → 23M
13:46 | 11:00/mi
24M
4:11:14
Rank: #23225 (-9)
23M → 24M
11:13 | 11:13/mi
40K· 24.85 mi
4:21:05
Rank: #23225
24M → 40K
9:51 | 11:31/mi
25.2M
4:25:37
Rank: #23247 (-22)
40K → 25.2M
4:32 | 13:09/mi
Finish· 26.22 mi
4:36:40
Rank: #23266 (-19)
25.2M → Finish
11:03 | 10:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:13
Pace10:05 /mi
2nd Half
Distance13.11 mi
Time2:24:27
Pace11:01 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:4131:4510:1331:45
10:13
-
10K
6.21 mi12:22:461:02:5010:0731:05
10:00
-0:13
15K
9.32 mi12:53:371:33:4110:0330:51
9:56
-0:04
20K
12.43 mi13:25:112:05:1510:0531:34
10:10
+0:14
Half
13.11 mi13:32:092:12:1310:056:58
10:13
+0:03
25K
15.53 mi13:57:522:37:5610:1025:43
10:36
+0:23
30K
18.64 mi14:31:293:11:3310:1733:37
10:49
+0:13
20M
20.00 mi14:46:173:26:2110:1914:48
10:53
+0:04
21M
21.00 mi14:57:523:37:5610:2311:35
11:35
+0:42
35K
21.75 mi15:06:113:46:1510:248:19
11:07
-0:28
23M
23.00 mi15:19:574:00:0110:2613:46
11:00
-0:07
24M
24.00 mi15:31:104:11:1410:2811:13
11:13
+0:13
40K
24.85 mi15:41:014:21:0510:309:51
11:31
+0:18
25.2M
25.20 mi15:45:334:25:3710:324:32
13:09
+1:38
Finish
26.22 mi15:56:364:36:4010:3411:03
10:51
-2:18

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

9:56 /mi

Average Pace

10:34 /mi

Slowest Pace

13:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:13

48% of race

Time at Steady Pace

1:58:29

43% of race

Time at Slower Pace

25:58

9% of race

Average Pace: 10:33 /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 mi11:51:4131:4510:1331:45
10:13
#24004
10K
6.21 mi12:22:461:02:5010:0731:05
10:00
#23876
15K
9.32 mi12:53:371:33:4110:0330:51
9:56
#23708
20K
12.43 mi13:25:112:05:1510:0531:34
10:10
#23594
Half
13.11 mi13:32:092:12:1310:056:58
10:13
#23608
25K
15.53 mi13:57:522:37:5610:1025:43
10:36
#23542
30K
18.64 mi14:31:293:11:3310:1733:37
10:49
#23387
20M
20.00 mi14:46:173:26:2110:1914:48
10:53
#23322
21M
21.00 mi14:57:523:37:5610:2311:35
11:35
#23252
35K
21.75 mi15:06:113:46:1510:248:19
11:07
#23255
23M
23.00 mi15:19:574:00:0110:2613:46
11:00
#23216
24M
24.00 mi15:31:104:11:1410:2811:13
11:13
#23225
40K
24.85 mi15:41:014:21:0510:309:51
11:31
#23225
25.2M
25.20 mi15:45:334:25:3710:324:32
13:09
#23247
Finish
26.22 mi15:56:364:36:4010:3411:03
10:51
#23266
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi240049893989323380(Top 88%)9536(Top 83%)9536(Top 195%)
10K6.21 mi3.10 mi23876+1289826+679826+6723693(Top 89%)9725(Top 85%)9725(Top 199%)
15K9.32 mi3.11 mi23708+1689728+989728+9823380(Top 88%)9536(Top 83%)9536(Top 195%)
20K12.43 mi3.11 mi23594+1149659+699659+6923231(Top 87%)9474(Top 83%)9474(Top 194%)
Half13.11 mi0.68 mi23608-149669-109669-1023695(Top 89%)9737(Top 85%)9737(Top 199%)
25K15.53 mi2.42 mi23542+669646+239646+2323369(Top 88%)9599(Top 84%)9599(Top 197%)
30K18.64 mi3.11 mi23387+1559585+619585+6122831(Top 86%)9369(Top 82%)9369(Top 192%)
20M20.00 mi1.36 mi23322+659560+259560+2522513(Top 85%)9256(Top 81%)9256(Top 190%)
21M21.00 mi1.00 mi23252+709535+259535+2522037(Top 83%)9014(Top 79%)9014(Top 185%)
35K21.75 mi0.75 mi23255-39542-79542-723516(Top 88%)9881(Top 87%)9881(Top 202%)
23M23.00 mi1.25 mi23216+399531+119531+1122341(Top 84%)9241(Top 81%)9241(Top 189%)
24M24.00 mi1.00 mi23225-99545-149545-1423437(Top 88%)9865(Top 86%)9865(Top 202%)
40K24.85 mi0.85 mi232259554-99554-923243(Top 87%)9793(Top 86%)9793(Top 201%)
25.2M25.20 mi0.35 mi23247-229570-169570-1624150(Top 91%)10255(Top 90%)10255(Top 210%)
Finish26.22 mi1.02 mi23266-199591-219591-2123696(Top 89%)10007(Top 88%)10007(Top 205%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21stories
+97ft-345ft

Overall

23380

Females

9536

F18-39

9536

5K→10K

3.1 - 6.2 mi

Top 89%
×5stories
+79ft-138ft

Overall

23693

Females

9725

F18-39

9725

10K→15K

6.2 - 9.3 mi

Top 88%
×3stories
+67ft-78ft

Overall

23380

Females

9536

F18-39

9536

15K→20K

9.3 - 12.4 mi

Top 87%
×5stories
+106ft-86ft

Overall

23231

Females

9474

F18-39

9474

20K→Half

12.4 - 13.1 mi

Top 89%
×2stories
+19ft-37ft

Overall

23695

Females

9737

F18-39

9737

Half→25K

13.1 - 15.5 mi

Top 88%
×4stories
+66ft-88ft

Overall

23369

Females

9599

F18-39

9599

25K→30K

15.5 - 18.6 mi

Top 86%
×9stories
+181ft-148ft

Overall

22831

Females

9369

F18-39

9369

30K→20M

18.6 - 20.0 mi

Top 85%
×5stories
+64ft-50ft

Overall

22513

Females

9256

F18-39

9256

20M→21M

20.0 - 21.0 mi

Top 83%
×8stories
+106ft-24ft

Overall

22037

Females

9014

F18-39

9014

21M→35K

21.0 - 21.8 mi

Top 88%
×7stories
+17ft-86ft

Overall

23516

Females

9881

F18-39

9881

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

22341

Females

9241

F18-39

9241

23M→24M

23.0 - 24.0 mi

Top 88%
×6stories
+12ft-82ft

Overall

23437

Females

9865

F18-39

9865

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

23243

Females

9793

F18-39

9793

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

24150

Females

10255

F18-39

10255

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2stories
+22ft-21ft

Overall

23696

Females

10007

F18-39

10007

Passing Analysis

Category:
Athletes Passed
1366
Passed By
628
Net Change
+738
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24004
5K → 10K270142+128#24004#23876
10K → 15K21244+168#23876#23708
15K → 20K18571+114#23708#23594
20K → Half2135-14#23594#23608
Half → 25K12155+66#23608#23542
25K → 30K19439+155#23542#23387
30K → 20M8217+65#23387#23322
20M → 21M8111+70#23322#23252
21M → 35K3437-3#23252#23255
35K → 23M5819+39#23255#23216
23M → 24M2938-9#23216#23225
24M → 40K42420#23225#23225
40K → 25.2M1638-22#23225#23247
25.2M → Finish2140-19#23247#23266
TOTALS1366628+738
📊

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