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BOSTON MARATHON 2023

Kelly Millar

Bib: 23661•F

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:51
Rank: #22404
Start → 5K
29:51 | 9:36/mi
10K· 6.21 mi
59:29
Rank: #22534 (-130)
5K → 10K
29:38 | 9:32/mi
15K· 9.32 mi
1:29:46
Rank: #22675 (-141)
10K → 15K
30:17 | 9:45/mi
20K· 12.43 mi
2:03:20
Rank: #23266 (-591)
15K → 20K
33:34 | 10:48/mi
Half· 13.11 mi
2:10:36
Rank: #23333 (-67)
20K → Half
7:16 | 10:39/mi
25K· 15.53 mi
2:38:25
Rank: #23599 (-266)
Half → 25K
27:49 | 11:28/mi
30K· 18.64 mi
3:14:25
Rank: #23667 (-68)
25K → 30K
36:00 | 11:35/mi
20M
3:30:54
Rank: #23748 (-81)
30K → 20M
16:29 | 12:08/mi
21M
3:43:51
Rank: #23780 (-32)
20M → 21M
12:57 | 12:57/mi
35K· 21.75 mi
3:52:41
Rank: #23825 (-45)
21M → 35K
8:50 | 11:48/mi
23M
4:08:49
Rank: #23948 (-123)
35K → 23M
16:08 | 12:53/mi
24M
4:20:20
Rank: #23947 (+1)
23M → 24M
11:31 | 11:31/mi
40K· 24.85 mi
4:31:17
Rank: #23990 (-43)
24M → 40K
10:57 | 12:48/mi
25.2M
4:36:09
Rank: #24020 (-30)
40K → 25.2M
4:52 | 14:07/mi
Finish· 26.22 mi
4:46:51
Rank: #23987 (+33)
25.2M → Finish
10:42 | 10:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:36
Pace9:58 /mi
2nd Half
Distance13.11 mi
Time2:36:15
Pace11:55 /mi
📊Positive Split: 19.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:2029:519:3629:51
9:36
-
10K
6.21 mi11:54:5859:299:3429:38
9:32
-0:04
15K
9.32 mi12:25:151:29:469:3830:17
9:45
+0:13
20K
12.43 mi12:58:492:03:209:5533:34
10:48
+1:03
Half
13.11 mi13:06:052:10:369:587:16
10:39
-0:09
25K
15.53 mi13:33:542:38:2510:1227:49
11:28
+0:49
30K
18.64 mi14:09:543:14:2510:2636:00
11:35
+0:07
20M
20.00 mi14:26:233:30:5410:3316:29
12:08
+0:33
21M
21.00 mi14:39:203:43:5110:4012:57
12:57
+0:49
35K
21.75 mi14:48:103:52:4110:428:50
11:48
-1:09
23M
23.00 mi15:04:184:08:4910:4916:08
12:53
+1:05
24M
24.00 mi15:15:494:20:2010:5111:31
11:31
-1:22
40K
24.85 mi15:26:464:31:1710:5510:57
12:48
+1:17
25.2M
25.20 mi15:31:384:36:0910:584:52
14:07
+1:19
Finish
26.22 mi15:42:204:46:5110:5710:42
10:30
-3:37

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

9:32 /mi

Average Pace

10:57 /mi

Slowest Pace

14:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:18

49% of race

Time at Steady Pace

1:40:39

35% of race

Time at Slower Pace

44:54

16% of race

Average Pace: 10:56 /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 mi11:25:2029:519:3629:51
9:36
#22404
10K
6.21 mi11:54:5859:299:3429:38
9:32
#22534
15K
9.32 mi12:25:151:29:469:3830:17
9:45
#22675
20K
12.43 mi12:58:492:03:209:5533:34
10:48
#23266
Half
13.11 mi13:06:052:10:369:587:16
10:39
#23333
25K
15.53 mi13:33:542:38:2510:1227:49
11:28
#23599
30K
18.64 mi14:09:543:14:2510:2636:00
11:35
#23667
20M
20.00 mi14:26:233:30:5410:3316:29
12:08
#23748
21M
21.00 mi14:39:203:43:5110:4012:57
12:57
#23780
35K
21.75 mi14:48:103:52:4110:428:50
11:48
#23825
23M
23.00 mi15:04:184:08:4910:4916:08
12:53
#23948
24M
24.00 mi15:15:494:20:2010:5111:31
11:31
#23947
40K
24.85 mi15:26:464:31:1710:5510:57
12:48
#23990
25.2M
25.20 mi15:31:384:36:0910:584:52
14:07
#24020
Finish
26.22 mi15:42:204:46:5110:5710:42
10:30
#23987
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi224049077907722931(Top 86%)9305(Top 81%)9305(Top 1142%)
10K6.21 mi3.10 mi22534-1309117-409117-4022634(Top 85%)9162(Top 80%)9162(Top 1124%)
15K9.32 mi3.11 mi22675-1419176-599176-5922931(Top 86%)9305(Top 81%)9305(Top 1142%)
20K12.43 mi3.11 mi23266-5919492-3169492-31624332(Top 91%)10109(Top 88%)10109(Top 1240%)
Half13.11 mi0.68 mi23333-679523-319523-3124474(Top 92%)10194(Top 89%)10194(Top 1251%)
25K15.53 mi2.42 mi23599-2669675-1529675-15224625(Top 92%)10295(Top 90%)10295(Top 1263%)
30K18.64 mi3.11 mi23667-689734-599734-5923986(Top 90%)10011(Top 88%)10011(Top 1228%)
20M20.00 mi1.36 mi23748-819789-559789-5524354(Top 91%)10265(Top 90%)10265(Top 1260%)
21M21.00 mi1.00 mi23780-329817-289817-2824028(Top 90%)10104(Top 88%)10104(Top 1240%)
35K21.75 mi0.75 mi23825-459847-309847-3024490(Top 92%)10390(Top 91%)10390(Top 1275%)
23M23.00 mi1.25 mi23948-1239924-779924-7724975(Top 94%)10622(Top 93%)10622(Top 1303%)
24M24.00 mi1.00 mi23947+19933-99933-923901(Top 90%)10109(Top 88%)10109(Top 1240%)
40K24.85 mi0.85 mi23990-439967-349967-3424780(Top 93%)10559(Top 92%)10559(Top 1296%)
25.2M25.20 mi0.35 mi24020-309985-189985-1825086(Top 94%)10737(Top 94%)10737(Top 1317%)
Finish26.22 mi1.02 mi23987+339973+129973+1223010(Top 86%)9651(Top 84%)9651(Top 1184%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21stories
+97ft-345ft

Overall

22931

Females

9305

F55-59

9305

5K→10K

3.1 - 6.2 mi

Top 85%
×5stories
+79ft-138ft

Overall

22634

Females

9162

F55-59

9162

10K→15K

6.2 - 9.3 mi

Top 86%
×3stories
+67ft-78ft

Overall

22931

Females

9305

F55-59

9305

15K→20K

9.3 - 12.4 mi

Top 91%
×5stories
+106ft-86ft

Overall

24332

Females

10109

F55-59

10109

20K→Half

12.4 - 13.1 mi

Top 92%
×2stories
+19ft-37ft

Overall

24474

Females

10194

F55-59

10194

Half→25K

13.1 - 15.5 mi

Top 92%
×4stories
+66ft-88ft

Overall

24625

Females

10295

F55-59

10295

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

23986

Females

10011

F55-59

10011

30K→20M

18.6 - 20.0 mi

Top 91%
×5stories
+64ft-50ft

Overall

24354

Females

10265

F55-59

10265

20M→21M

20.0 - 21.0 mi

Top 90%
×8stories
+106ft-24ft

Overall

24028

Females

10104

F55-59

10104

21M→35K

21.0 - 21.8 mi

Top 92%
×7stories
+17ft-86ft

Overall

24490

Females

10390

F55-59

10390

35K→23M

21.8 - 23.0 mi

Top 94%
×5stories
+23ft-63ft

Overall

24975

Females

10622

F55-59

10622

23M→24M

23.0 - 24.0 mi

Top 90%
×6stories
+12ft-82ft

Overall

23901

Females

10109

F55-59

10109

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

24780

Females

10559

F55-59

10559

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

25086

Females

10737

F55-59

10737

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2stories
+22ft-21ft

Overall

23010

Females

9651

F55-59

9651

Passing Analysis

Category:
Athletes Passed
578
Passed By
2161
Net Change
-1583
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22404
5K → 10K175305-130#22404#22534
10K → 15K94235-141#22534#22675
15K → 20K20611-591#22675#23266
20K → Half976-67#23266#23333
Half → 25K25291-266#23333#23599
25K → 30K79147-68#23599#23667
30K → 20M31112-81#23667#23748
20M → 21M3264-32#23748#23780
21M → 35K1661-45#23780#23825
35K → 23M9132-123#23825#23948
23M → 24M2322+1#23948#23947
24M → 40K1861-43#23947#23990
40K → 25.2M232-30#23990#24020
25.2M → Finish4512+33#24020#23987
TOTALS5782161-1583
📊

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