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BOSTON MARATHON 2023

Dana Vitoušová

Bib: 19021•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 44%
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
8:12/mi
25:30
↑ 97↓ 3451.5%
10K· 6.21 mi
7:55/mi
50:07
↑ 79↓ 1380.4%
15K· 9.32 mi
8:15/mi
1:15:44
↑ 67↓ 78
20K· 12.43 mi
8:03/mi
1:40:44
↑ 106↓ 860.1%
Half· 13.11 mi
7:58/mi
1:46:10
↑ 19↓ 370.5%
25K· 15.53 mi
8:09/mi
2:05:56
↑ 66↓ 880.2%
30K· 18.64 mi
8:48/mi
2:33:16
↑ 181↓ 1480.2%
20M
8:37/mi
2:44:58
↑ 64↓ 500.2%
21M
9:39/mi
2:54:37
↑ 106↓ 241.6%
35K· 21.75 mi
10:38/mi
3:02:34
↑ 17↓ 861.7%
23M
8:52/mi
3:13:40
↑ 23↓ 630.6%
24M
8:19/mi
3:21:59
↓ 821.3%
40K· 24.85 mi
8:33/mi
3:29:18
↓ 200.3%
25.2M
9:25/mi
3:32:33
↑ 13↓ 160.2%
Finish· 26.22 mi
8:24/mi
3:41:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:10
Pace8:06 /mi
2nd Half
Distance13.11 mi
Time1:54:57
Pace8:46 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:2025:308:1225:30
8:12
-
10K
6.21 mi11:41:5750:078:0424:37
7:55
-0:17
15K
9.32 mi12:07:341:15:448:0825:37
8:15
+0:20
20K
12.43 mi12:32:341:40:448:0625:00
8:03
-0:12
Half
13.11 mi12:38:001:46:108:065:26
7:58
-0:05
25K
15.53 mi12:57:462:05:568:0619:46
8:09
+0:11
30K
18.64 mi13:25:062:33:168:1327:20
8:48
+0:39
20M
20.00 mi13:36:482:44:588:1511:42
8:37
-0:11
21M
21.00 mi13:46:272:54:378:199:39
9:39
+1:02
35K
21.75 mi13:54:243:02:348:247:57
10:38
+0:59
23M
23.00 mi14:05:303:13:408:2511:06
8:52
-1:46
24M
24.00 mi14:13:493:21:598:258:19
8:19
-0:33
40K
24.85 mi14:21:083:29:188:257:19
8:33
+0:14
25.2M
25.20 mi14:24:233:32:338:263:15
9:25
+0:52
Finish
26.22 mi14:32:573:41:078:268:34
8:24
-1:01

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

7:55 /mi

Average Pace

8:26 /mi

Slowest Pace

10:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

30:03

14% of race

Time at Steady Pace

2:11:47

60% of race

Time at Slower Pace

59:17

27% of race

Average Pace: 8:26 /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 mi11:17:2025:308:1225:30
8:12
#15532
10K
6.21 mi11:41:5750:078:0424:37
7:55
#14877
15K
9.32 mi12:07:341:15:448:0825:37
8:15
#15311
20K
12.43 mi12:32:341:40:448:0625:00
8:03
#14905
Half
13.11 mi12:38:001:46:108:065:26
7:58
#14872
25K
15.53 mi12:57:462:05:568:0619:46
8:09
#14692
30K
18.64 mi13:25:062:33:168:1327:20
8:48
#14962
20M
20.00 mi13:36:482:44:588:1511:42
8:37
#14896
21M
21.00 mi13:46:272:54:378:199:39
9:39
#14991
35K
21.75 mi13:54:243:02:348:247:57
10:38
#15458
23M
23.00 mi14:05:303:13:408:2511:06
8:52
#15435
24M
24.00 mi14:13:493:21:598:258:19
8:19
#15326
40K
24.85 mi14:21:083:29:188:257:19
8:33
#15260
25.2M
25.20 mi14:24:233:32:338:263:15
9:25
#15252
Finish
26.22 mi14:32:573:41:078:268:34
8:24
#15213
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi155324991499116194(Top 61%)5410(Top 47%)5410(Top 111%)
10K6.21 mi3.10 mi14877+6554577+4144577+41414210(Top 53%)4188(Top 37%)4188(Top 86%)
15K9.32 mi3.11 mi15311-4344860-2834860-28316194(Top 61%)5410(Top 47%)5410(Top 111%)
20K12.43 mi3.11 mi14905+4064622+2384622+23813828(Top 52%)4008(Top 35%)4008(Top 82%)
Half13.11 mi0.68 mi14872+334606+164606+1614168(Top 53%)4199(Top 37%)4199(Top 86%)
25K15.53 mi2.42 mi14692+1804522+844522+8413916(Top 52%)4172(Top 37%)4172(Top 85%)
30K18.64 mi3.11 mi14962-2704721-1994721-19916048(Top 60%)5527(Top 48%)5527(Top 113%)
20M20.00 mi1.36 mi14896+664702+194702+1914348(Top 54%)4627(Top 41%)4627(Top 95%)
21M21.00 mi1.00 mi14991-954788-864788-8616655(Top 63%)5987(Top 52%)5987(Top 123%)
35K21.75 mi0.75 mi15458-4675104-3165104-31622636(Top 85%)9382(Top 82%)9382(Top 192%)
23M23.00 mi1.25 mi15435+235121-175121-1715372(Top 58%)5381(Top 47%)5381(Top 110%)
24M24.00 mi1.00 mi15326+1095058+635058+6313362(Top 50%)4320(Top 38%)4320(Top 88%)
40K24.85 mi0.85 mi15260+665029+295029+2913742(Top 52%)4609(Top 40%)4609(Top 94%)
25.2M25.20 mi0.35 mi15252+85037-85037-814865(Top 56%)5223(Top 46%)5223(Top 107%)
Finish26.22 mi1.02 mi15213+395031+65031+614807(Top 56%)5156(Top 45%)5156(Top 106%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

16194

Females

5410

F18-39

5410

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

14210

Females

4188

F18-39

4188

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

16194

Females

5410

F18-39

5410

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

13828

Females

4008

F18-39

4008

20K→Half

12.4 - 13.1 mi

Top 53%
×2story building
+19ft-37ft

Overall

14168

Females

4199

F18-39

4199

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

13916

Females

4172

F18-39

4172

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

16048

Females

5527

F18-39

5527

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

14348

Females

4627

F18-39

4627

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

16655

Females

5987

F18-39

5987

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

22636

Females

9382

F18-39

9382

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

15372

Females

5381

F18-39

5381

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

13362

Females

4320

F18-39

4320

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13742

Females

4609

F18-39

4609

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14865

Females

5223

F18-39

5223

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2story building
+22ft-21ft

Overall

14807

Females

5156

F18-39

5156

Passing Analysis

Category:
Athletes Passed
2241
Passed By
1922
Net Change
+319
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15532
5K → 10K74287+655#15532#14877
10K → 15K71505-434#14877#15311
15K → 20K44236+406#15311#14905
20K → Half5320+33#14905#14872
Half → 25K22444+180#14872#14692
25K → 30K93363-270#14692#14962
30K → 20M11347+66#14962#14896
20M → 21M58153-95#14896#14991
21M → 35K3470-467#14991#15458
35K → 23M9673+23#15458#15435
23M → 24M12516+109#15435#15326
24M → 40K9731+66#15326#15260
40K → 25.2M3931+8#15260#15252
25.2M → Finish8546+39#15252#15213
TOTALS22411922+319
📊

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