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BOSTON MARATHON 2023

Marina Van Sickle

Bib: 12044•F

GA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 27%
Gender (Female)
#0 / 11423
Top 9%
Division (F18-39)
#0 / 4884
Top 16%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:36
Rank: #5962
Start → 5K
6:57/mi
21:36 split
10K· 6.21 mi
41:56
Rank: #4477 (+1485)
5K → 10K
6:33/mi
20:20 split
15K· 9.32 mi
1:02:36
Rank: #4183 (+294)
10K → 15K
6:39/mi
20:40 split
20K· 12.43 mi
1:23:15
Rank: #3862 (+321)
15K → 20K
6:39/mi
20:39 split
Half· 13.11 mi
1:27:45
Rank: #3837 (+25)
20K → Half
6:36/mi
4:30 split
25K· 15.53 mi
1:44:17
Rank: #3893 (-56)
Half → 25K
6:49/mi
16:32 split
30K· 18.64 mi
2:05:59
Rank: #3940 (-47)
25K → 30K
6:59/mi
21:42 split
20M
2:15:49
Rank: #4062 (-122)
30K → 20M
7:14/mi
9:50 split
21M
2:23:43
Rank: #4254 (-192)
20M → 21M
7:54/mi
7:54 split
35K· 21.75 mi
2:29:42
Rank: #4613 (-359)
21M → 35K
8:00/mi
5:59 split
23M
2:42:51
Rank: #5696 (-1083)
35K → 23M
10:30/mi
13:09 split
24M
2:53:13
Rank: #6441 (-745)
23M → 24M
10:22/mi
10:22 split
40K· 24.85 mi
3:01:06
Rank: #6759 (-318)
24M → 40K
9:13/mi
7:53 split
25.2M
3:04:21
Rank: #6868 (-109)
40K → 25.2M
9:25/mi
3:15 split
Finish· 26.22 mi
3:13:10
Rank: #7203 (-335)
25.2M → Finish
8:39/mi
8:49 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:45
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:45:25
Pace8:02 /mi
📊Positive Split: 20.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:4321:366:5721:36
6:57
-
10K
6.21 mi11:34:0341:566:4520:20
6:33
-0:24
15K
9.32 mi11:54:431:02:366:4320:40
6:39
+0:06
20K
12.43 mi12:15:221:23:156:4220:39
6:39
0:00
Half
13.11 mi12:19:521:27:456:424:30
6:36
-0:03
25K
15.53 mi12:36:241:44:176:4316:32
6:49
+0:13
30K
18.64 mi12:58:062:05:596:4621:42
6:59
+0:10
20M
20.00 mi13:07:562:15:496:479:50
7:14
+0:15
21M
21.00 mi13:15:502:23:436:517:54
7:54
+0:40
35K
21.75 mi13:21:492:29:426:535:59
8:00
+0:06
23M
23.00 mi13:34:582:42:517:0513:09
10:30
+2:30
24M
24.00 mi13:45:202:53:137:1310:22
10:22
-0:08
40K
24.85 mi13:53:133:01:067:177:53
9:13
-1:09
25.2M
25.20 mi13:56:283:04:217:193:15
9:25
+0:12
Finish
26.22 mi14:05:173:13:107:228:49
8:39
-0:46

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

6:33 /mi

Average Pace

7:22 /mi

Slowest Pace

10:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

20:20

11% of race

Time at Steady Pace

2:03:23

64% of race

Time at Slower Pace

49:27

26% of race

Average Pace: 7:22 /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 mi11:13:4321:366:5721:36
6:57
#5962
10K
6.21 mi11:34:0341:566:4520:20
6:33
#4477
15K
9.32 mi11:54:431:02:366:4320:40
6:39
#4183
20K
12.43 mi12:15:221:23:156:4220:39
6:39
#3862
Half
13.11 mi12:19:521:27:456:424:30
6:36
#3837
25K
15.53 mi12:36:241:44:176:4316:32
6:49
#3893
30K
18.64 mi12:58:062:05:596:4621:42
6:59
#3940
20M
20.00 mi13:07:562:15:496:479:50
7:14
#4062
21M
21.00 mi13:15:502:23:436:517:54
7:54
#4254
35K
21.75 mi13:21:492:29:426:535:59
8:00
#4613
23M
23.00 mi13:34:582:42:517:0513:09
10:30
#5696
24M
24.00 mi13:45:202:53:137:1310:22
10:22
#6441
40K
24.85 mi13:53:133:01:067:177:53
9:13
#6759
25.2M
25.20 mi13:56:283:04:217:193:15
9:25
#6868
Finish
26.22 mi14:05:173:13:107:228:49
8:39
#7203
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi59625005003717(Top 14%)212(Top 2%)212(Top 4%)
10K6.21 mi3.10 mi4477+1485287+213287+2133101(Top 12%)141(Top 1%)141(Top 3%)
15K9.32 mi3.11 mi4183+294256+31256+313717(Top 14%)212(Top 2%)212(Top 4%)
20K12.43 mi3.11 mi3862+321216+40216+403173(Top 12%)156(Top 1%)156(Top 3%)
Half13.11 mi0.68 mi3837+25212+4212+43488(Top 13%)188(Top 2%)188(Top 4%)
25K15.53 mi2.42 mi3893-56222-10222-104349(Top 16%)293(Top 3%)293(Top 6%)
30K18.64 mi3.11 mi3940-47225-3225-34267(Top 16%)295(Top 3%)295(Top 6%)
20M20.00 mi1.36 mi4062-122243-18243-185326(Top 20%)534(Top 5%)534(Top 11%)
21M21.00 mi1.00 mi4254-192271-28271-286756(Top 25%)1037(Top 9%)1037(Top 21%)
35K21.75 mi0.75 mi4613-359312-41312-4112113(Top 45%)3476(Top 30%)3476(Top 71%)
23M23.00 mi1.25 mi5696-1083504-192504-19221324(Top 80%)8694(Top 76%)8694(Top 178%)
24M24.00 mi1.00 mi6441-745697-193697-19321703(Top 82%)8944(Top 78%)8944(Top 183%)
40K24.85 mi0.85 mi6759-318805-108805-10817182(Top 65%)6494(Top 57%)6494(Top 133%)
25.2M25.20 mi0.35 mi6868-109848-43848-4314820(Top 56%)5178(Top 45%)5178(Top 106%)
Finish26.22 mi1.02 mi7203-335986-138986-13816254(Top 61%)5961(Top 52%)5961(Top 122%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3717

Females

212

F18-39

212

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3101

Females

141

F18-39

141

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3717

Females

212

F18-39

212

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3173

Females

156

F18-39

156

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3488

Females

188

F18-39

188

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4349

Females

293

F18-39

293

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4267

Females

295

F18-39

295

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5326

Females

534

F18-39

534

20M→21M

20.0 - 21.0 mi

Top 25%
×8stories
+106ft-24ft

Overall

6756

Females

1037

F18-39

1037

21M→35K

21.0 - 21.8 mi

Top 45%
×7stories
+17ft-86ft

Overall

12113

Females

3476

F18-39

3476

35K→23M

21.8 - 23.0 mi

Top 80%
×5stories
+23ft-63ft

Overall

21324

Females

8694

F18-39

8694

23M→24M

23.0 - 24.0 mi

Top 82%
×6stories
+12ft-82ft

Overall

21703

Females

8944

F18-39

8944

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

17182

Females

6494

F18-39

6494

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14820

Females

5178

F18-39

5178

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

16254

Females

5961

F18-39

5961

Passing Analysis

Category:
Athletes Passed
2434
Passed By
3675
Net Change
-1241
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5962
5K → 10K14894+1485#5962#4477
10K → 15K32026+294#4477#4183
15K → 20K3298+321#4183#3862
20K → Half3712+25#3862#3837
Half → 25K61117-56#3837#3893
25K → 30K93140-47#3893#3940
30K → 20M28150-122#3940#4062
20M → 21M31223-192#4062#4254
21M → 35K8367-359#4254#4613
35K → 23M31086-1083#4613#5696
23M → 24M5750-745#5696#6441
24M → 40K11329-318#6441#6759
40K → 25.2M9118-109#6759#6868
25.2M → Finish10345-335#6868#7203
TOTALS24343675-1241
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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