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BOSTON MARATHON 2023

Stefanie Woll

Bib: 18127•F

MI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 46%
Gender (Female)
#0 / 11423
Top 28%
Division (F18-39)
#0 / 4884
Top 46%
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
7:58/mi
24:46
↑ 97↓ 3451.5%
10K· 6.21 mi
7:43/mi
48:44
↑ 79↓ 1380.4%
15K· 9.32 mi
7:45/mi
1:12:49
↑ 67↓ 78
20K· 12.43 mi
7:50/mi
1:37:09
↑ 106↓ 860.1%
Half· 13.11 mi
7:46/mi
1:42:27
↑ 19↓ 370.5%
25K· 15.53 mi
7:53/mi
2:01:35
↑ 66↓ 880.2%
30K· 18.64 mi
8:08/mi
2:26:52
↑ 181↓ 1480.2%
20M
8:20/mi
2:38:11
↑ 64↓ 500.2%
21M
9:31/mi
2:47:42
↑ 106↓ 241.6%
35K· 21.75 mi
8:07/mi
2:53:46
↑ 17↓ 861.7%
23M
8:11/mi
3:04:01
↑ 23↓ 630.6%
24M
7:59/mi
3:12:00
↓ 821.3%
40K· 24.85 mi
8:04/mi
3:18:54
↓ 200.3%
25.2M
8:30/mi
3:21:50
↑ 13↓ 160.2%
Finish· 26.22 mi
7:50/mi
3:29:49
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:27
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time1:47:22
Pace8:11 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:5524:467:5824:46
7:58
-
10K
6.21 mi11:39:5348:447:5123:58
7:43
-0:15
15K
9.32 mi12:03:581:12:497:4924:05
7:45
+0:02
20K
12.43 mi12:28:181:37:097:4924:20
7:50
+0:05
Half
13.11 mi12:33:361:42:277:495:18
7:46
-0:04
25K
15.53 mi12:52:442:01:357:5019:08
7:53
+0:07
30K
18.64 mi13:18:012:26:527:5325:17
8:08
+0:15
20M
20.00 mi13:29:202:38:117:5511:19
8:20
+0:12
21M
21.00 mi13:38:512:47:427:599:31
9:31
+1:11
35K
21.75 mi13:44:552:53:467:596:04
8:07
-1:24
23M
23.00 mi13:55:103:04:018:0010:15
8:11
+0:04
24M
24.00 mi14:03:093:12:008:007:59
7:59
-0:12
40K
24.85 mi14:10:033:18:548:006:54
8:04
+0:05
25.2M
25.20 mi14:12:593:21:508:012:56
8:30
+0:26
Finish
26.22 mi14:20:583:29:498:007:59
7:50
-0:40

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

8:00 /mi

Slowest Pace

9:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

48:03

23% of race

Time at Steady Pace

2:18:00

66% of race

Time at Slower Pace

23:46

11% of race

Average Pace: 8:00 /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 mi11:15:5524:467:5824:46
7:58
#13823
10K
6.21 mi11:39:5348:447:5123:58
7:43
#13128
15K
9.32 mi12:03:581:12:497:4924:05
7:45
#12803
20K
12.43 mi12:28:181:37:097:4924:20
7:50
#12555
Half
13.11 mi12:33:361:42:277:495:18
7:46
#12538
25K
15.53 mi12:52:442:01:357:5019:08
7:53
#12418
30K
18.64 mi13:18:012:26:527:5325:17
8:08
#12293
20M
20.00 mi13:29:202:38:117:5511:19
8:20
#12286
21M
21.00 mi13:38:512:47:427:599:31
9:31
#12547
35K
21.75 mi13:44:552:53:467:596:04
8:07
#12547
23M
23.00 mi13:55:103:04:018:0010:15
8:11
#12455
24M
24.00 mi14:03:093:12:008:007:59
7:59
#12378
40K
24.85 mi14:10:033:18:548:006:54
8:04
#12300
25.2M
25.20 mi14:12:593:21:508:012:56
8:30
#12260
Finish
26.22 mi14:20:583:29:498:007:59
7:50
#12199
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi138233911391112331(Top 46%)3098(Top 27%)3098(Top 63%)
10K6.21 mi3.10 mi13128+6953522+3893522+38912390(Top 47%)3085(Top 27%)3085(Top 63%)
15K9.32 mi3.11 mi12803+3253338+1843338+18412331(Top 46%)3098(Top 27%)3098(Top 63%)
20K12.43 mi3.11 mi12555+2483232+1063232+10612019(Top 45%)2986(Top 26%)2986(Top 61%)
Half13.11 mi0.68 mi12538+173225+73225+712504(Top 47%)3207(Top 28%)3207(Top 66%)
25K15.53 mi2.42 mi12418+1203176+493176+4911870(Top 45%)3002(Top 26%)3002(Top 61%)
30K18.64 mi3.11 mi12293+1253149+273149+2711919(Top 45%)3141(Top 27%)3141(Top 64%)
20M20.00 mi1.36 mi12286+73152-33152-312541(Top 47%)3598(Top 31%)3598(Top 74%)
21M21.00 mi1.00 mi12547-2613323-1713323-17116032(Top 60%)5639(Top 49%)5639(Top 115%)
35K21.75 mi0.75 mi125473339-163339-1612863(Top 48%)3916(Top 34%)3916(Top 80%)
23M23.00 mi1.25 mi12455+923301+383301+3811127(Top 42%)3081(Top 27%)3081(Top 63%)
24M24.00 mi1.00 mi12378+773283+183283+1811146(Top 42%)3170(Top 28%)3170(Top 65%)
40K24.85 mi0.85 mi12300+783257+263257+2610549(Top 40%)2911(Top 25%)2911(Top 60%)
25.2M25.20 mi0.35 mi12260+403249+83249+89671(Top 36%)2554(Top 22%)2554(Top 52%)
Finish26.22 mi1.02 mi12199+613235+143235+1410967(Top 41%)3175(Top 28%)3175(Top 65%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

12331

Females

3098

F18-39

3098

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

12390

Females

3085

F18-39

3085

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

12331

Females

3098

F18-39

3098

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

12019

Females

2986

F18-39

2986

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

12504

Females

3207

F18-39

3207

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

11870

Females

3002

F18-39

3002

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

11919

Females

3141

F18-39

3141

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

12541

Females

3598

F18-39

3598

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

16032

Females

5639

F18-39

5639

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

12863

Females

3916

F18-39

3916

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11127

Females

3081

F18-39

3081

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

11146

Females

3170

F18-39

3170

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10549

Females

2911

F18-39

2911

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

9671

Females

2554

F18-39

2554

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

10967

Females

3175

F18-39

3175

Passing Analysis

Category:
Athletes Passed
2684
Passed By
1060
Net Change
+1624
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13823
5K → 10K78691+695#13823#13128
10K → 15K40378+325#13128#12803
15K → 20K32072+248#12803#12555
20K → Half4124+17#12555#12538
Half → 25K17959+120#12538#12418
25K → 30K265140+125#12418#12293
30K → 20M10093+7#12293#12286
20M → 21M38299-261#12286#12547
21M → 35K54540#12547#12547
35K → 23M13240+92#12547#12455
23M → 24M10124+77#12455#12378
24M → 40K10224+78#12378#12300
40K → 25.2M5414+40#12300#12260
25.2M → Finish10948+61#12260#12199
TOTALS26841060+1624
📊

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