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BOSTON MARATHON 2023

Viviana Yock

Bib: 13937•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 34%
Gender (Female)
#0 / 11423
Top 14%
Masters (Masters Women)
#0 / 6539
Top 5%
Division (F40-44)
#0 / 1878
Top 12%
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
7:56/mi
24:39
↑ 97↓ 3451.5%
10K· 6.21 mi
7:33/mi
48:05
↑ 79↓ 1380.4%
15K· 9.32 mi
7:36/mi
1:11:41
↑ 67↓ 78
20K· 12.43 mi
7:34/mi
1:35:12
↑ 106↓ 860.1%
Half· 13.11 mi
7:23/mi
1:40:14
↑ 19↓ 370.5%
25K· 15.53 mi
7:29/mi
1:58:22
↑ 66↓ 880.2%
30K· 18.64 mi
7:35/mi
2:21:55
↑ 181↓ 1480.2%
20M
7:43/mi
2:32:24
↑ 64↓ 500.2%
21M
8:06/mi
2:40:30
↑ 106↓ 241.6%
35K· 21.75 mi
7:26/mi
2:46:04
↑ 17↓ 861.7%
23M
7:32/mi
2:55:30
↑ 23↓ 630.6%
24M
7:11/mi
3:02:41
↓ 821.3%
40K· 24.85 mi
7:27/mi
3:09:03
↓ 200.3%
25.2M
8:04/mi
3:11:50
↑ 13↓ 160.2%
Finish· 26.22 mi
7:10/mi
3:19:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:40:14
Pace7:39 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:38:54
Pace7:33 /mi
📊Negative Split: 1.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:3524:397:5624:39
7:56
-
10K
6.21 mi11:41:0148:057:4423:26
7:33
-0:23
15K
9.32 mi12:04:371:11:417:4123:36
7:36
+0:03
20K
12.43 mi12:28:081:35:127:4023:31
7:34
-0:02
Half
13.11 mi12:33:101:40:147:395:02
7:23
-0:11
25K
15.53 mi12:51:181:58:227:3718:08
7:29
+0:06
30K
18.64 mi13:14:512:21:557:3723:33
7:35
+0:06
20M
20.00 mi13:25:202:32:247:3710:29
7:43
+0:08
21M
21.00 mi13:33:262:40:307:398:06
8:06
+0:23
35K
21.75 mi13:39:002:46:047:385:34
7:26
-0:40
23M
23.00 mi13:48:262:55:307:389:26
7:32
+0:06
24M
24.00 mi13:55:373:02:417:377:11
7:11
-0:21
40K
24.85 mi14:01:593:09:037:366:22
7:27
+0:16
25.2M
25.20 mi14:04:463:11:507:372:47
8:04
+0:37
Finish
26.22 mi14:12:043:19:087:367:18
7:10
-0:54

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

7:10 /mi

Average Pace

7:36 /mi

Slowest Pace

8:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:36

82% of race

Time at Steady Pace

35:32

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:36 /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 mi11:17:3524:397:5624:39
7:56
#13535
10K
6.21 mi11:41:0148:057:4423:26
7:33
#12169
15K
9.32 mi12:04:371:11:417:4123:36
7:36
#11702
20K
12.43 mi12:28:081:35:127:4023:31
7:34
#11190
Half
13.11 mi12:33:101:40:147:395:02
7:23
#11088
25K
15.53 mi12:51:181:58:227:3718:08
7:29
#10654
30K
18.64 mi13:14:512:21:557:3723:33
7:35
#10073
20M
20.00 mi13:25:202:32:247:3710:29
7:43
#9900
21M
21.00 mi13:33:262:40:307:398:06
8:06
#9751
35K
21.75 mi13:39:002:46:047:385:34
7:26
#9694
23M
23.00 mi13:48:262:55:307:389:26
7:32
#9449
24M
24.00 mi13:55:373:02:417:377:11
7:11
#9237
40K
24.85 mi14:01:593:09:037:366:22
7:27
#9111
25.2M
25.20 mi14:04:463:11:507:372:47
8:04
#9067
Finish
26.22 mi14:12:043:19:087:367:18
7:10
#8923
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi135353737373710985(Top 41%)2329(Top 20%)2329(Top 124%)
10K6.21 mi3.10 mi12169+13662955+7822955+78210823(Top 41%)2213(Top 19%)2213(Top 118%)
15K9.32 mi3.11 mi11702+4672725+2302725+23010985(Top 41%)2329(Top 20%)2329(Top 124%)
20K12.43 mi3.11 mi11190+5122425+3002425+3009855(Top 37%)1846(Top 16%)1846(Top 98%)
Half13.11 mi0.68 mi11088+1022377+482377+489305(Top 35%)1597(Top 14%)1597(Top 85%)
25K15.53 mi2.42 mi10654+4342176+2012176+2018642(Top 32%)1406(Top 12%)1406(Top 75%)
30K18.64 mi3.11 mi10073+5811925+2511925+2517818(Top 29%)1233(Top 11%)1233(Top 66%)
20M20.00 mi1.36 mi9900+1731873+521873+528316(Top 31%)1520(Top 13%)1520(Top 81%)
21M21.00 mi1.00 mi9751+1491829+441829+448033(Top 30%)1531(Top 13%)1531(Top 82%)
35K21.75 mi0.75 mi9694+571819+101819+108142(Top 31%)1560(Top 14%)1560(Top 83%)
23M23.00 mi1.25 mi9449+2451744+751744+756660(Top 25%)1051(Top 9%)1051(Top 56%)
24M24.00 mi1.00 mi9237+2121692+521692+525701(Top 21%)797(Top 7%)797(Top 42%)
40K24.85 mi0.85 mi9111+1261660+321660+326412(Top 24%)1130(Top 10%)1130(Top 60%)
25.2M25.20 mi0.35 mi9067+441646+141646+146991(Top 26%)1414(Top 12%)1414(Top 75%)
Finish26.22 mi1.02 mi8923+1441609+371609+376222(Top 23%)1146(Top 10%)1146(Top 61%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

10985

Females

2329

F40-44

2329

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

10823

Females

2213

F40-44

2213

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

10985

Females

2329

F40-44

2329

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

9855

Females

1846

F40-44

1846

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

9305

Females

1597

F40-44

1597

Half→25K

13.1 - 15.5 mi

Top 32%
×4story building
+66ft-88ft

Overall

8642

Females

1406

F40-44

1406

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

7818

Females

1233

F40-44

1233

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

8316

Females

1520

F40-44

1520

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

8033

Females

1531

F40-44

1531

21M→35K

21.0 - 21.8 mi

Top 31%
×7story building
+17ft-86ft

Overall

8142

Females

1560

F40-44

1560

35K→23M

21.8 - 23.0 mi

Top 25%
×5story building
+23ft-63ft

Overall

6660

Females

1051

F40-44

1051

23M→24M

23.0 - 24.0 mi

Top 21%
×6story building
+12ft-82ft

Overall

5701

Females

797

F40-44

797

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6412

Females

1130

F40-44

1130

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

6991

Females

1414

F40-44

1414

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2story building
+22ft-21ft

Overall

6222

Females

1146

F40-44

1146

Passing Analysis

Category:
Athletes Passed
4780*
Passed By
168
Net Change
+4612
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13535
5K → 10K140135+1366#13535#12169
10K → 15K51043+467#12169#11702
15K → 20K52412+512#11702#11190
20K → Half1020+102#11190#11088
Half → 25K4373+434#11088#10654
25K → 30K587*6+581#10654#10073
30K → 20M188*15+173#10073#9900
20M → 21M16617+149#9900#9751
21M → 35K7114+57#9751#9694
35K → 23M2483+245#9694#9449
23M → 24M2142+212#9449#9237
24M → 40K1326+126#9237#9111
40K → 25.2M484+44#9111#9067
25.2M → Finish1528+144#9067#8923
TOTALS4780*168+4612

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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