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BOSTON MARATHON 2023

Mary Miller

Bib: 26102•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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:36/mi
29:48
↑ 97↓ 3451.5%
10K· 6.21 mi
9:55/mi
1:00:38
↑ 79↓ 1380.4%
15K· 9.32 mi
10:18/mi
1:32:38
↑ 67↓ 78
20K· 12.43 mi
10:38/mi
2:05:40
↑ 106↓ 860.1%
Half· 13.11 mi
10:24/mi
2:12:46
↑ 19↓ 370.5%
25K· 15.53 mi
11:39/mi
2:41:01
↑ 66↓ 880.2%
30K· 18.64 mi
12:01/mi
3:18:21
↑ 181↓ 1480.2%
20M
11:44/mi
3:34:18
↑ 64↓ 500.2%
21M
12:00/mi
3:46:18
↑ 106↓ 241.6%
35K· 21.75 mi
10:51/mi
3:54:25
↑ 17↓ 861.7%
23M
11:35/mi
4:08:55
↑ 23↓ 630.6%
24M
11:45/mi
4:20:40
↓ 821.3%
40K· 24.85 mi
11:31/mi
4:30:31
↓ 200.3%
25.2M
13:32/mi
4:35:11
↑ 13↓ 160.2%
Finish· 26.22 mi
10:33/mi
4:45:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:46
Pace10:08 /mi
2nd Half
Distance13.11 mi
Time2:33:10
Pace11:41 /mi
📊Positive Split: 15.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:5229:489:3629:48
9:36
-
10K
6.21 mi12:16:421:00:389:4530:50
9:55
+0:19
15K
9.32 mi12:48:421:32:389:5632:00
10:18
+0:23
20K
12.43 mi13:21:442:05:4010:0733:02
10:38
+0:20
Half
13.11 mi13:28:502:12:4610:087:06
10:24
-0:14
25K
15.53 mi13:57:052:41:0110:2228:15
11:39
+1:15
30K
18.64 mi14:34:253:18:2110:3837:20
12:01
+0:22
20M
20.00 mi14:50:223:34:1810:4315:57
11:44
-0:17
21M
21.00 mi15:02:223:46:1810:4712:00
12:00
+0:16
35K
21.75 mi15:10:293:54:2510:478:07
10:51
-1:09
23M
23.00 mi15:24:594:08:5510:4914:30
11:35
+0:44
24M
24.00 mi15:36:444:20:4010:5211:45
11:45
+0:10
40K
24.85 mi15:46:354:30:3110:539:51
11:31
-0:14
25.2M
25.20 mi15:51:154:35:1110:554:40
13:32
+2:01
Finish
26.22 mi16:02:004:45:5610:5510:45
10:33
-2:59

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

9:36 /mi

Average Pace

10:55 /mi

Slowest Pace

13:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:31:38

53% of race

Time at Steady Pace

1:32:18

32% of race

Time at Slower Pace

42:00

15% of race

Average Pace: 10:54 /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 mi11:45:5229:489:3629:48
9:36
#22358
10K
6.21 mi12:16:421:00:389:4530:50
9:55
#23061
15K
9.32 mi12:48:421:32:389:5632:00
10:18
#23472
20K
12.43 mi13:21:442:05:4010:0733:02
10:38
#23667
Half
13.11 mi13:28:502:12:4610:087:06
10:24
#23679
25K
15.53 mi13:57:052:41:0110:2228:15
11:39
#23895
30K
18.64 mi14:34:253:18:2110:3837:20
12:01
#24058
20M
20.00 mi14:50:223:34:1810:4315:57
11:44
#24053
21M
21.00 mi15:02:223:46:1810:4712:00
12:00
#24004
35K
21.75 mi15:10:293:54:2510:478:07
10:51
#23974
23M
23.00 mi15:24:594:08:5510:4914:30
11:35
#23955
24M
24.00 mi15:36:444:20:4010:5211:45
11:45
#23967
40K
24.85 mi15:46:354:30:3110:539:51
11:31
#23937
25.2M
25.20 mi15:51:154:35:1110:554:40
13:32
#23955
Finish
26.22 mi16:02:004:45:5610:5510:45
10:33
#23927
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi223589054905424098(Top 91%)9947(Top 87%)9947(Top 204%)
10K6.21 mi3.10 mi23061-7039399-3459399-34523550(Top 88%)9653(Top 85%)9653(Top 198%)
15K9.32 mi3.11 mi23472-4119597-1989597-19824098(Top 91%)9947(Top 87%)9947(Top 204%)
20K12.43 mi3.11 mi23667-1959710-1139710-11324069(Top 90%)9949(Top 87%)9949(Top 204%)
Half13.11 mi0.68 mi23679-129710971024047(Top 90%)9938(Top 87%)9938(Top 203%)
25K15.53 mi2.42 mi23895-2169846-1369846-13624845(Top 93%)10427(Top 91%)10427(Top 213%)
30K18.64 mi3.11 mi24058-1639948-1029948-10224516(Top 92%)10290(Top 90%)10290(Top 211%)
20M20.00 mi1.36 mi24053+59963-159963-1523870(Top 90%)10004(Top 88%)10004(Top 205%)
21M21.00 mi1.00 mi24004+499944+199944+1922767(Top 86%)9425(Top 83%)9425(Top 193%)
35K21.75 mi0.75 mi23974+309932+129932+1223037(Top 87%)9614(Top 84%)9614(Top 197%)
23M23.00 mi1.25 mi23955+199927+59927+523398(Top 88%)9805(Top 86%)9805(Top 201%)
24M24.00 mi1.00 mi23967-129947-209947-2024211(Top 91%)10281(Top 90%)10281(Top 211%)
40K24.85 mi0.85 mi23937+309939+89939+823245(Top 87%)9795(Top 86%)9795(Top 201%)
25.2M25.20 mi0.35 mi23955-189949-109949-1024562(Top 92%)10462(Top 92%)10462(Top 214%)
Finish26.22 mi1.02 mi23927+289941+89941+823121(Top 87%)9706(Top 85%)9706(Top 199%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

24098

Females

9947

F18-39

9947

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

23550

Females

9653

F18-39

9653

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

24098

Females

9947

F18-39

9947

15K→20K

9.3 - 12.4 mi

Top 90%
×5story building
+106ft-86ft

Overall

24069

Females

9949

F18-39

9949

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

24047

Females

9938

F18-39

9938

Half→25K

13.1 - 15.5 mi

Top 93%
×4story building
+66ft-88ft

Overall

24845

Females

10427

F18-39

10427

25K→30K

15.5 - 18.6 mi

Top 92%
×9story building
+181ft-148ft

Overall

24516

Females

10290

F18-39

10290

30K→20M

18.6 - 20.0 mi

Top 90%
×5story building
+64ft-50ft

Overall

23870

Females

10004

F18-39

10004

20M→21M

20.0 - 21.0 mi

Top 86%
×8story building
+106ft-24ft

Overall

22767

Females

9425

F18-39

9425

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

23037

Females

9614

F18-39

9614

35K→23M

21.8 - 23.0 mi

Top 88%
×5story building
+23ft-63ft

Overall

23398

Females

9805

F18-39

9805

23M→24M

23.0 - 24.0 mi

Top 91%
×6story building
+12ft-82ft

Overall

24211

Females

10281

F18-39

10281

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

23245

Females

9795

F18-39

9795

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

24562

Females

10462

F18-39

10462

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

23121

Females

9706

F18-39

9706

Passing Analysis

Category:
Athletes Passed
579
Passed By
2148
Net Change
-1569
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22358
5K → 10K47750-703#22358#23061
10K → 15K37448-411#23061#23472
15K → 20K67262-195#23472#23667
20K → Half1931-12#23667#23679
Half → 25K32248-216#23679#23895
25K → 30K60223-163#23895#24058
30K → 20M5348+5#24058#24053
20M → 21M6920+49#24053#24004
21M → 35K4414+30#24004#23974
35K → 23M4526+19#23974#23955
23M → 24M1931-12#23955#23967
24M → 40K388+30#23967#23937
40K → 25.2M1129-18#23937#23955
25.2M → Finish3810+28#23955#23927
TOTALS5792148-1569
📊

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