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BOSTON MARATHON 2023

Ashlea Miller

Bib: 17902•F

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0:00
0:00
/ mi
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Overall
#0 / 26622
Top 49%
Gender (Female)
#0 / 11423
Top 33%
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
7:57/mi
24:43
↑ 97↓ 3451.5%
10K· 6.21 mi
7:45/mi
48:49
↑ 79↓ 1380.4%
15K· 9.32 mi
7:44/mi
1:12:52
↑ 67↓ 78
20K· 12.43 mi
8:02/mi
1:37:51
↑ 106↓ 860.1%
Half· 13.11 mi
8:59/mi
1:43:59
↑ 19↓ 370.5%
25K· 15.53 mi
8:59/mi
2:05:45
↑ 66↓ 880.2%
30K· 18.64 mi
8:20/mi
2:31:37
↑ 181↓ 1480.2%
20M
8:16/mi
2:42:51
↑ 64↓ 500.2%
21M
8:44/mi
2:51:35
↑ 106↓ 241.6%
35K· 21.75 mi
7:56/mi
2:57:31
↑ 17↓ 861.7%
23M
8:10/mi
3:07:44
↑ 23↓ 630.6%
24M
7:49/mi
3:15:33
↓ 821.3%
40K· 24.85 mi
8:11/mi
3:22:33
↓ 200.3%
25.2M
8:39/mi
3:25:32
↑ 13↓ 160.2%
Finish· 26.22 mi
7:43/mi
3:33:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:59
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time1:49:25
Pace8:21 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2424:437:5724:43
7:57
-
10K
6.21 mi11:39:3048:497:5124:06
7:45
-0:12
15K
9.32 mi12:03:331:12:527:4924:03
7:44
-0:01
20K
12.43 mi12:28:321:37:517:5224:59
8:02
+0:18
Half
13.11 mi12:34:401:43:597:566:08
8:59
+0:57
25K
15.53 mi12:56:262:05:458:0621:46
8:59
0:00
30K
18.64 mi13:22:182:31:378:0825:52
8:20
-0:39
20M
20.00 mi13:33:322:42:518:0911:14
8:16
-0:04
21M
21.00 mi13:42:162:51:358:108:44
8:44
+0:28
35K
21.75 mi13:48:122:57:318:105:56
7:56
-0:48
23M
23.00 mi13:58:253:07:448:1010:13
8:10
+0:14
24M
24.00 mi14:06:143:15:338:097:49
7:49
-0:21
40K
24.85 mi14:13:143:22:338:097:00
8:11
+0:22
25.2M
25.20 mi14:16:133:25:328:092:59
8:39
+0:28
Finish
26.22 mi14:24:053:33:248:097:52
7:43
-0:56

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

7:43 /mi

Average Pace

8:09 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:47

81% of race

Time at Steady Pace

39:37

19% of race

Time at Slower Pace

0:00

0% 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 mi11:15:2424:437:5724:43
7:57
#13703
10K
6.21 mi11:39:3048:497:5124:06
7:45
#13246
15K
9.32 mi12:03:331:12:527:4924:03
7:44
#12862
20K
12.43 mi12:28:321:37:517:5224:59
8:02
#13076
Half
13.11 mi12:34:401:43:597:566:08
8:59
#13568
25K
15.53 mi12:56:262:05:458:0621:46
8:59
#14612
30K
18.64 mi13:22:182:31:378:0825:52
8:20
#14354
20M
20.00 mi13:33:322:42:518:0911:14
8:16
#14174
21M
21.00 mi13:42:162:51:358:108:44
8:44
#13989
35K
21.75 mi13:48:122:57:318:105:56
7:56
#13898
23M
23.00 mi13:58:253:07:448:1010:13
8:10
#13691
24M
24.00 mi14:06:143:15:338:097:49
7:49
#13485
40K
24.85 mi14:13:143:22:338:097:00
8:11
#13365
25.2M
25.20 mi14:16:133:25:328:092:59
8:39
#13301
Finish
26.22 mi14:24:053:33:248:097:52
7:43
#13164
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi137033845384512231(Top 46%)3037(Top 27%)3037(Top 62%)
10K6.21 mi3.10 mi13246+4573593+2523593+25212756(Top 48%)3289(Top 29%)3289(Top 67%)
15K9.32 mi3.11 mi12862+3843374+2193374+21912231(Top 46%)3037(Top 27%)3037(Top 62%)
20K12.43 mi3.11 mi13076-2143528-1543528-15413774(Top 52%)3978(Top 35%)3978(Top 81%)
Half13.11 mi0.68 mi13568-4923822-2943822-29420359(Top 76%)7893(Top 69%)7893(Top 162%)
25K15.53 mi2.42 mi14612-10444473-6514473-65118860(Top 71%)7054(Top 62%)7054(Top 144%)
30K18.64 mi3.11 mi14354+2584370+1034370+10313184(Top 50%)3860(Top 34%)3860(Top 79%)
20M20.00 mi1.36 mi14174+1804274+964274+9612165(Top 46%)3373(Top 30%)3373(Top 69%)
21M21.00 mi1.00 mi13989+1854177+974177+9711905(Top 45%)3352(Top 29%)3352(Top 69%)
35K21.75 mi0.75 mi13898+914133+444133+4411673(Top 44%)3252(Top 28%)3252(Top 67%)
23M23.00 mi1.25 mi13691+2074035+984035+9810926(Top 41%)2993(Top 26%)2993(Top 61%)
24M24.00 mi1.00 mi13485+2063931+1043931+1049978(Top 37%)2596(Top 23%)2596(Top 53%)
40K24.85 mi0.85 mi13365+1203880+513880+5111308(Top 42%)3317(Top 29%)3317(Top 68%)
25.2M25.20 mi0.35 mi13301+643854+263854+2610555(Top 40%)2981(Top 26%)2981(Top 61%)
Finish26.22 mi1.02 mi13164+1373793+613793+6110145(Top 38%)2776(Top 24%)2776(Top 57%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

12231

Females

3037

F18-39

3037

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

12756

Females

3289

F18-39

3289

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

12231

Females

3037

F18-39

3037

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

13774

Females

3978

F18-39

3978

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

20359

Females

7893

F18-39

7893

Half→25K

13.1 - 15.5 mi

Top 71%
×4story building
+66ft-88ft

Overall

18860

Females

7054

F18-39

7054

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

13184

Females

3860

F18-39

3860

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

12165

Females

3373

F18-39

3373

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

11905

Females

3352

F18-39

3352

21M→35K

21.0 - 21.8 mi

Top 44%
×7story building
+17ft-86ft

Overall

11673

Females

3252

F18-39

3252

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

10926

Females

2993

F18-39

2993

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

9978

Females

2596

F18-39

2596

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11308

Females

3317

F18-39

3317

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10555

Females

2981

F18-39

2981

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10145

Females

2776

F18-39

2776

Passing Analysis

Category:
Athletes Passed
2763
Passed By
2224
Net Change
+539
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13703
5K → 10K591134+457#13703#13246
10K → 15K44561+384#13246#12862
15K → 20K118332-214#12862#13076
20K → Half0492-492#13076#13568
Half → 25K201064-1044#13568#14612
25K → 30K31254+258#14612#14354
30K → 20M19414+180#14354#14174
20M → 21M20015+185#14174#13989
21M → 35K10110+91#13989#13898
35K → 23M21912+207#13898#13691
23M → 24M2104+206#13691#13485
24M → 40K1299+120#13485#13365
40K → 25.2M717+64#13365#13301
25.2M → Finish15316+137#13301#13164
TOTALS27632224+539
📊

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