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BOSTON MARATHON 2023

Mariele Mildner

Bib: 15556•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 47%
Gender (Female)
#0 / 11423
Top 30%
Masters (Masters Women)
#0 / 6539
Top 17%
Division (F40-44)
#0 / 1878
Top 32%
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
7:31/mi
23:22
↑ 97↓ 3451.5%
10K· 6.21 mi
7:44/mi
47:24
↑ 79↓ 1380.4%
15K· 9.32 mi
7:45/mi
1:11:30
↑ 67↓ 78
20K· 12.43 mi
7:52/mi
1:35:57
↑ 106↓ 860.1%
Half· 13.11 mi
7:42/mi
1:41:12
↑ 19↓ 370.5%
25K· 15.53 mi
8:07/mi
2:00:53
↑ 66↓ 880.2%
30K· 18.64 mi
8:22/mi
2:26:53
↑ 181↓ 1480.2%
20M
8:42/mi
2:38:42
↑ 64↓ 500.2%
21M
9:12/mi
2:47:54
↑ 106↓ 241.6%
35K· 21.75 mi
7:46/mi
2:53:43
↑ 17↓ 861.7%
23M
8:45/mi
3:04:40
↑ 23↓ 630.6%
24M
7:48/mi
3:12:28
↓ 821.3%
40K· 24.85 mi
8:10/mi
3:19:27
↓ 200.3%
25.2M
9:57/mi
3:22:53
↑ 13↓ 160.2%
Finish· 26.22 mi
8:00/mi
3:31:02
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:12
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:49:50
Pace8:23 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:3723:227:3123:22
7:31
-
10K
6.21 mi11:17:3947:247:3824:02
7:44
+0:13
15K
9.32 mi11:41:451:11:307:4024:06
7:45
+0:01
20K
12.43 mi12:06:121:35:577:4324:27
7:52
+0:07
Half
13.11 mi12:11:271:41:127:435:15
7:42
-0:10
25K
15.53 mi12:31:082:00:537:4719:41
8:07
+0:25
30K
18.64 mi12:57:082:26:537:5326:00
8:22
+0:15
20M
20.00 mi13:08:572:38:427:5611:49
8:42
+0:20
21M
21.00 mi13:18:092:47:548:009:12
9:12
+0:30
35K
21.75 mi13:23:582:53:437:595:49
7:46
-1:26
23M
23.00 mi13:34:553:04:408:0210:57
8:45
+0:59
24M
24.00 mi13:42:433:12:288:017:48
7:48
-0:57
40K
24.85 mi13:49:423:19:278:016:59
8:10
+0:22
25.2M
25.20 mi13:53:083:22:538:033:26
9:57
+1:47
Finish
26.22 mi14:01:173:31:028:038:09
8:00
-1:57

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

7:31 /mi

Average Pace

8:03 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

23:22

11% of race

Time at Steady Pace

2:06:16

60% of race

Time at Slower Pace

1:01:24

29% of race

Average Pace: 8:03 /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 mi10:53:3723:227:3123:22
7:31
#9833
10K
6.21 mi11:17:3947:247:3824:02
7:44
#11178
15K
9.32 mi11:41:451:11:307:4024:06
7:45
#11550
20K
12.43 mi12:06:121:35:577:4324:27
7:52
#11706
Half
13.11 mi12:11:271:41:127:435:15
7:42
#11716
25K
15.53 mi12:31:082:00:537:4719:41
8:07
#12029
30K
18.64 mi12:57:082:26:537:5326:00
8:22
#12306
20M
20.00 mi13:08:572:38:427:5611:49
8:42
#12511
21M
21.00 mi13:18:092:47:548:009:12
9:12
#12622
35K
21.75 mi13:23:582:53:437:595:49
7:46
#12530
23M
23.00 mi13:34:553:04:408:0210:57
8:45
#12676
24M
24.00 mi13:42:433:12:288:017:48
7:48
#12529
40K
24.85 mi13:49:423:19:278:016:59
8:10
#12484
25.2M
25.20 mi13:53:083:22:538:033:26
9:57
#12578
Finish
26.22 mi14:01:173:31:028:038:09
8:00
#12549
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi98331778177812378(Top 46%)3120(Top 27%)3120(Top 166%)
10K6.21 mi3.10 mi11178-13452426-6482426-64812569(Top 47%)3189(Top 28%)3189(Top 170%)
15K9.32 mi3.11 mi11550-3722634-2082634-20812378(Top 46%)3120(Top 27%)3120(Top 166%)
20K12.43 mi3.11 mi11706-1562748-1142748-11412359(Top 46%)3175(Top 28%)3175(Top 169%)
Half13.11 mi0.68 mi11716-102749-12749-111937(Top 45%)2889(Top 25%)2889(Top 154%)
25K15.53 mi2.42 mi12029-3132959-2102959-21013624(Top 51%)3991(Top 35%)3991(Top 213%)
30K18.64 mi3.11 mi12306-2773157-1983157-19813478(Top 51%)4009(Top 35%)4009(Top 213%)
20M20.00 mi1.36 mi12511-2053278-1213278-12114835(Top 56%)4896(Top 43%)4896(Top 261%)
21M21.00 mi1.00 mi12622-1113371-933371-9314486(Top 54%)4749(Top 42%)4749(Top 253%)
35K21.75 mi0.75 mi12530+923333+383333+3810549(Top 40%)2649(Top 23%)2649(Top 141%)
23M23.00 mi1.25 mi12676-1463435-1023435-10214675(Top 55%)4988(Top 44%)4988(Top 266%)
24M24.00 mi1.00 mi12529+1473369+663369+669844(Top 37%)2529(Top 22%)2529(Top 135%)
40K24.85 mi0.85 mi12484+453367+23367+211174(Top 42%)3244(Top 28%)3244(Top 173%)
25.2M25.20 mi0.35 mi12578-943424-573424-5717188(Top 65%)6514(Top 57%)6514(Top 347%)
Finish26.22 mi1.02 mi12549+293439-153439-1512146(Top 46%)3775(Top 33%)3775(Top 201%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

12378

Females

3120

F40-44

3120

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

12569

Females

3189

F40-44

3189

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

12378

Females

3120

F40-44

3120

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

12359

Females

3175

F40-44

3175

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

11937

Females

2889

F40-44

2889

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

13624

Females

3991

F40-44

3991

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

13478

Females

4009

F40-44

4009

30K→20M

18.6 - 20.0 mi

Top 56%
×5story building
+64ft-50ft

Overall

14835

Females

4896

F40-44

4896

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

14486

Females

4749

F40-44

4749

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

10549

Females

2649

F40-44

2649

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

14675

Females

4988

F40-44

4988

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

9844

Females

2529

F40-44

2529

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11174

Females

3244

F40-44

3244

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

17188

Females

6514

F40-44

6514

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

12146

Females

3775

F40-44

3775

Passing Analysis

Category:
Athletes Passed
1026
Passed By
3740
Net Change
-2716
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9833
5K → 10K351378-1345#9833#11178
10K → 15K80452-372#11178#11550
15K → 20K108264-156#11550#11706
20K → Half2737-10#11706#11716
Half → 25K56369-313#11716#12029
25K → 30K120397-277#12029#12306
30K → 20M48253-205#12306#12511
20M → 21M60171-111#12511#12622
21M → 35K10210+92#12622#12530
35K → 23M54200-146#12530#12676
23M → 24M16013+147#12676#12529
24M → 40K7934+45#12529#12484
40K → 25.2M10104-94#12484#12578
25.2M → Finish8758+29#12578#12549
TOTALS10263740-2716
📊

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