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BOSTON MARATHON 2023

Emily Miller

Bib: 18785•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 49%
Gender (Female)
#0 / 11423
Top 33%
Masters (Masters Women)
#0 / 6539
Top 19%
Division (F40-44)
#0 / 1878
Top 36%
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
7:46/mi
24:09
↑ 97↓ 3451.5%
10K· 6.21 mi
7:35/mi
47:42
↑ 79↓ 1380.4%
15K· 9.32 mi
7:42/mi
1:11:36
↑ 67↓ 78
20K· 12.43 mi
7:55/mi
1:36:11
↑ 106↓ 860.1%
Half· 13.11 mi
7:40/mi
1:41:25
↑ 19↓ 370.5%
25K· 15.53 mi
8:03/mi
2:00:56
↑ 66↓ 880.2%
30K· 18.64 mi
8:22/mi
2:26:55
↑ 181↓ 1480.2%
20M
8:34/mi
2:38:34
↑ 64↓ 500.2%
21M
9:27/mi
2:48:01
↑ 106↓ 241.6%
35K· 21.75 mi
8:49/mi
2:54:37
↑ 17↓ 861.7%
23M
8:59/mi
3:05:52
↑ 23↓ 630.6%
24M
8:39/mi
3:14:31
↓ 821.3%
40K· 24.85 mi
8:32/mi
3:21:49
↓ 200.3%
25.2M
8:54/mi
3:24:53
↑ 13↓ 160.2%
Finish· 26.22 mi
8:05/mi
3:33:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:25
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:51:42
Pace8:31 /mi
📊Positive Split: 10.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:1524:097:4624:09
7:46
-
10K
6.21 mi11:38:4847:427:4123:33
7:35
-0:11
15K
9.32 mi12:02:421:11:367:4123:54
7:42
+0:07
20K
12.43 mi12:27:171:36:117:4424:35
7:55
+0:13
Half
13.11 mi12:32:311:41:257:445:14
7:40
-0:15
25K
15.53 mi12:52:022:00:567:4719:31
8:03
+0:23
30K
18.64 mi13:18:012:26:557:5325:59
8:22
+0:19
20M
20.00 mi13:29:402:38:347:5611:39
8:34
+0:12
21M
21.00 mi13:39:072:48:018:009:27
9:27
+0:53
35K
21.75 mi13:45:432:54:378:026:36
8:49
-0:38
23M
23.00 mi13:56:583:05:528:0511:15
8:59
+0:10
24M
24.00 mi14:05:373:14:318:068:39
8:39
-0:20
40K
24.85 mi14:12:553:21:498:077:18
8:32
-0:07
25.2M
25.20 mi14:15:593:24:538:083:04
8:54
+0:22
Finish
26.22 mi14:24:133:33:078:088:14
8:05
-0:49

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

7:35 /mi

Average Pace

8:08 /mi

Slowest Pace

9:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:10

61% of race

Time at Steady Pace

44:56

21% of race

Time at Slower Pace

39:01

18% of race

Average Pace: 8:08 /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 mi11:15:1524:097:4624:09
7:46
#12130
10K
6.21 mi11:38:4847:427:4123:33
7:35
#11595
15K
9.32 mi12:02:421:11:367:4123:54
7:42
#11633
20K
12.43 mi12:27:171:36:117:4424:35
7:55
#11877
Half
13.11 mi12:32:311:41:257:445:14
7:40
#11863
25K
15.53 mi12:52:022:00:567:4719:31
8:03
#12057
30K
18.64 mi13:18:012:26:557:5325:59
8:22
#12323
20M
20.00 mi13:29:402:38:347:5611:39
8:34
#12451
21M
21.00 mi13:39:072:48:018:009:27
9:27
#12673
35K
21.75 mi13:45:432:54:378:026:36
8:49
#12863
23M
23.00 mi13:56:583:05:528:0511:15
8:59
#13055
24M
24.00 mi14:05:373:14:318:068:39
8:39
#13159
40K
24.85 mi14:12:553:21:498:077:18
8:32
#13161
25.2M
25.20 mi14:15:593:24:538:083:04
8:54
#13114
Finish
26.22 mi14:24:133:33:078:088:14
8:05
#13085
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi121302943294311806(Top 44%)2800(Top 25%)2800(Top 149%)
10K6.21 mi3.10 mi11595+5352653+2902653+29011164(Top 42%)2415(Top 21%)2415(Top 129%)
15K9.32 mi3.11 mi11633-382684-312684-3111806(Top 44%)2800(Top 25%)2800(Top 149%)
20K12.43 mi3.11 mi11877-2442847-1632847-16312745(Top 48%)3407(Top 30%)3407(Top 181%)
Half13.11 mi0.68 mi11863+142836+112836+1111746(Top 44%)2790(Top 24%)2790(Top 149%)
25K15.53 mi2.42 mi12057-1942976-1402976-14013158(Top 49%)3719(Top 33%)3719(Top 198%)
30K18.64 mi3.11 mi12323-2663166-1903166-19013437(Top 50%)3994(Top 35%)3994(Top 213%)
20M20.00 mi1.36 mi12451-1283241-753241-7514079(Top 53%)4451(Top 39%)4451(Top 237%)
21M21.00 mi1.00 mi12673-2223398-1573398-15715732(Top 59%)5467(Top 48%)5467(Top 291%)
35K21.75 mi0.75 mi12863-1903528-1303528-13017051(Top 64%)6289(Top 55%)6289(Top 335%)
23M23.00 mi1.25 mi13055-1923656-1283656-12815985(Top 60%)5724(Top 50%)5724(Top 305%)
24M24.00 mi1.00 mi13159-1043745-893745-8915367(Top 58%)5448(Top 48%)5448(Top 290%)
40K24.85 mi0.85 mi13161-23760-153760-1513601(Top 51%)4522(Top 40%)4522(Top 241%)
25.2M25.20 mi0.35 mi13114+473749+113749+1111975(Top 45%)3713(Top 33%)3713(Top 198%)
Finish26.22 mi1.02 mi13085+293750-13750-112675(Top 48%)4051(Top 35%)4051(Top 216%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21story building
+97ft-345ft

Overall

11806

Females

2800

F40-44

2800

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

11164

Females

2415

F40-44

2415

10K→15K

6.2 - 9.3 mi

Top 44%
×3story building
+67ft-78ft

Overall

11806

Females

2800

F40-44

2800

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

12745

Females

3407

F40-44

3407

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

11746

Females

2790

F40-44

2790

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

13158

Females

3719

F40-44

3719

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

13437

Females

3994

F40-44

3994

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

14079

Females

4451

F40-44

4451

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

15732

Females

5467

F40-44

5467

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

17051

Females

6289

F40-44

6289

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

15985

Females

5724

F40-44

5724

23M→24M

23.0 - 24.0 mi

Top 58%
×6story building
+12ft-82ft

Overall

15367

Females

5448

F40-44

5448

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13601

Females

4522

F40-44

4522

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

11975

Females

3713

F40-44

3713

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

12675

Females

4051

F40-44

4051

Passing Analysis

Category:
Athletes Passed
1525
Passed By
2480
Net Change
-955
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12130
5K → 10K651116+535#12130#11595
10K → 15K164202-38#11595#11633
15K → 20K88332-244#11633#11877
20K → Half3622+14#11877#11863
Half → 25K73267-194#11863#12057
25K → 30K128394-266#12057#12323
30K → 20M65193-128#12323#12451
20M → 21M39261-222#12451#12673
21M → 35K17207-190#12673#12863
35K → 23M43235-192#12863#13055
23M → 24M36140-104#13055#13159
24M → 40K5456-2#13159#13161
40K → 25.2M6114+47#13161#13114
25.2M → Finish7041+29#13114#13085
TOTALS15252480-955
📊

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