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BOSTON MARATHON 2023

Vicki Nilles

Bib: 19695•F

MN

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 47%
Gender (Female)
#0 / 11423
Top 30%
Division (F18-39)
#0 / 4884
Top 48%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:11
Rank: #14755
Start → 5K
8:06/mi
25:11 split
10K· 6.21 mi
49:35
Rank: #14244 (+511)
5K → 10K
7:51/mi
24:24 split
15K· 9.32 mi
1:14:09
Rank: #14018 (+226)
10K → 15K
7:54/mi
24:34 split
20K· 12.43 mi
1:38:56
Rank: #13794 (+224)
15K → 20K
7:59/mi
24:47 split
Half· 13.11 mi
1:44:13
Rank: #13704 (+90)
20K → Half
7:45/mi
5:17 split
25K· 15.53 mi
2:03:17
Rank: #13348 (+356)
Half → 25K
7:52/mi
19:04 split
30K· 18.64 mi
2:27:46
Rank: #12702 (+646)
25K → 30K
7:53/mi
24:29 split
20M
2:38:43
Rank: #12520 (+182)
30K → 20M
8:03/mi
10:57 split
21M
2:47:26
Rank: #12436 (+84)
20M → 21M
8:43/mi
8:43 split
35K· 21.75 mi
2:53:16
Rank: #12371 (+65)
21M → 35K
7:48/mi
5:50 split
23M
3:03:52
Rank: #12413 (-42)
35K → 23M
8:28/mi
10:36 split
24M
3:12:04
Rank: #12399 (+14)
23M → 24M
8:12/mi
8:12 split
40K· 24.85 mi
3:19:17
Rank: #12435 (-36)
24M → 40K
8:26/mi
7:13 split
25.2M
3:22:28
Rank: #12455 (-20)
40K → 25.2M
9:14/mi
3:11 split
Finish· 26.22 mi
3:31:07
Rank: #12576 (-121)
25.2M → Finish
8:29/mi
8:39 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:13
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:46:54
Pace8:09 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5725:118:0625:11
8:06
-
10K
6.21 mi11:42:2149:357:5924:24
7:51
-0:15
15K
9.32 mi12:06:551:14:097:5724:34
7:54
+0:03
20K
12.43 mi12:31:421:38:567:5824:47
7:59
+0:05
Half
13.11 mi12:36:591:44:137:575:17
7:45
-0:14
25K
15.53 mi12:56:032:03:177:5619:04
7:52
+0:07
30K
18.64 mi13:20:322:27:467:5624:29
7:53
+0:01
20M
20.00 mi13:31:292:38:437:5610:57
8:03
+0:10
21M
21.00 mi13:40:122:47:267:588:43
8:43
+0:40
35K
21.75 mi13:46:022:53:167:585:50
7:48
-0:55
23M
23.00 mi13:56:383:03:528:0010:36
8:28
+0:40
24M
24.00 mi14:04:503:12:048:008:12
8:12
-0:16
40K
24.85 mi14:12:033:19:178:017:13
8:26
+0:14
25.2M
25.20 mi14:15:143:22:288:023:11
9:14
+0:48
Finish
26.22 mi14:23:533:31:078:038:39
8:29
-0:45

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

7:45 /mi

Average Pace

8:03 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:19:13

94% of race

Time at Steady Pace

8:43

4% of race

Time at Slower Pace

3:11

2% 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 mi11:17:5725:118:0625:11
8:06
#14755
10K
6.21 mi11:42:2149:357:5924:24
7:51
#14244
15K
9.32 mi12:06:551:14:097:5724:34
7:54
#14018
20K
12.43 mi12:31:421:38:567:5824:47
7:59
#13794
Half
13.11 mi12:36:591:44:137:575:17
7:45
#13704
25K
15.53 mi12:56:032:03:177:5619:04
7:52
#13348
30K
18.64 mi13:20:322:27:467:5624:29
7:53
#12702
20M
20.00 mi13:31:292:38:437:5610:57
8:03
#12520
21M
21.00 mi13:40:122:47:267:588:43
8:43
#12436
35K
21.75 mi13:46:022:53:167:585:50
7:48
#12371
23M
23.00 mi13:56:383:03:528:0010:36
8:28
#12413
24M
24.00 mi14:04:503:12:048:008:12
8:12
#12399
40K
24.85 mi14:12:033:19:178:017:13
8:26
#12435
25.2M
25.20 mi14:15:143:22:288:023:11
9:14
#12455
Finish
26.22 mi14:23:533:31:078:038:39
8:29
#12576
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi147554486448613628(Top 51%)3852(Top 34%)3852(Top 79%)
10K6.21 mi3.10 mi14244+5114193+2934193+29313603(Top 51%)3792(Top 33%)3792(Top 78%)
15K9.32 mi3.11 mi14018+2264069+1244069+12413628(Top 51%)3852(Top 34%)3852(Top 79%)
20K12.43 mi3.11 mi13794+2243959+1103959+11013250(Top 50%)3682(Top 32%)3682(Top 75%)
Half13.11 mi0.68 mi13704+903907+523907+5212314(Top 46%)3106(Top 27%)3106(Top 64%)
25K15.53 mi2.42 mi13348+3563714+1933714+19311668(Top 44%)2877(Top 25%)2877(Top 59%)
30K18.64 mi3.11 mi12702+6463376+3383376+33810001(Top 38%)2168(Top 19%)2168(Top 44%)
20M20.00 mi1.36 mi12520+1823283+933283+9310748(Top 40%)2616(Top 23%)2616(Top 54%)
21M21.00 mi1.00 mi12436+843257+263257+2611791(Top 44%)3297(Top 29%)3297(Top 68%)
35K21.75 mi0.75 mi12371+653236+213236+2110705(Top 40%)2739(Top 24%)2739(Top 56%)
23M23.00 mi1.25 mi12413-423285-493285-4913005(Top 49%)4068(Top 36%)4068(Top 83%)
24M24.00 mi1.00 mi12399+143294-93294-912619(Top 47%)3919(Top 34%)3919(Top 80%)
40K24.85 mi0.85 mi12435-363332-383332-3812995(Top 49%)4199(Top 37%)4199(Top 86%)
25.2M25.20 mi0.35 mi12455-203360-283360-2813830(Top 52%)4641(Top 41%)4641(Top 95%)
Finish26.22 mi1.02 mi12576-1213452-923452-9215356(Top 58%)5449(Top 48%)5449(Top 112%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

13628

Females

3852

F18-39

3852

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

13603

Females

3792

F18-39

3792

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

13628

Females

3852

F18-39

3852

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

13250

Females

3682

F18-39

3682

20K→Half

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

12314

Females

3106

F18-39

3106

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

11668

Females

2877

F18-39

2877

25K→30K

15.5 - 18.6 mi

Top 38%
×9story building
+181ft-148ft

Overall

10001

Females

2168

F18-39

2168

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

10748

Females

2616

F18-39

2616

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

11791

Females

3297

F18-39

3297

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

10705

Females

2739

F18-39

2739

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

13005

Females

4068

F18-39

4068

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

12619

Females

3919

F18-39

3919

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

12995

Females

4199

F18-39

4199

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13830

Females

4641

F18-39

4641

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

15356

Females

5449

F18-39

5449

Passing Analysis

Category:
Athletes Passed
3034
Passed By
855
Net Change
+2179
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14755
5K → 10K626115+511#14755#14244
10K → 15K31387+226#14244#14018
15K → 20K29470+224#14018#13794
20K → Half922+90#13794#13704
Half → 25K36610+356#13704#13348
25K → 30K6548+646#13348#12702
30K → 20M20725+182#12702#12520
20M → 21M13551+84#12520#12436
21M → 35K8823+65#12436#12371
35K → 23M75117-42#12371#12413
23M → 24M6854+14#12413#12399
24M → 40K4682-36#12399#12435
40K → 25.2M3151-20#12435#12455
25.2M → Finish39160-121#12455#12576
TOTALS3034855+2179
📊

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