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BOSTON MARATHON 2023

Natalie Simunek

Bib: 17851•F

NJ

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:45
Rank: #18297
Start → 5K
26:45 | 8:37/mi
10K· 6.21 mi
54:15
Rank: #19307 (-1010)
5K → 10K
27:30 | 8:51/mi
15K· 9.32 mi
1:21:13
Rank: #19124 (+183)
10K → 15K
26:58 | 8:41/mi
20K· 12.43 mi
1:48:20
Rank: #18885 (+239)
15K → 20K
27:07 | 8:44/mi
Half· 13.11 mi
1:54:07
Rank: #18821 (+64)
20K → Half
5:47 | 8:29/mi
25K· 15.53 mi
2:14:46
Rank: #18427 (+394)
Half → 25K
20:39 | 8:31/mi
30K· 18.64 mi
2:41:57
Rank: #17899 (+528)
25K → 30K
27:11 | 8:45/mi
20M
2:53:47
Rank: #17666 (+233)
30K → 20M
11:50 | 8:42/mi
21M
3:02:54
Rank: #17446 (+220)
20M → 21M
9:07 | 9:07/mi
35K· 21.75 mi
3:09:09
Rank: #17323 (+123)
21M → 35K
6:15 | 8:21/mi
23M
3:20:15
Rank: #17212 (+111)
35K → 23M
11:06 | 8:52/mi
24M
3:29:12
Rank: #17200 (+12)
23M → 24M
8:57 | 8:57/mi
40K· 24.85 mi
3:37:14
Rank: #17234 (-34)
24M → 40K
8:02 | 9:24/mi
25.2M
3:40:44
Rank: #17259 (-25)
40K → 25.2M
3:30 | 10:09/mi
Finish· 26.22 mi
3:49:55
Rank: #17332 (-73)
25.2M → Finish
9:11 | 9:01/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:07
Pace8:42 /mi
2nd Half
Distance13.11 mi
Time1:55:48
Pace8:50 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:0626:458:3726:45
8:37
-
10K
6.21 mi11:51:3654:158:4427:30
8:51
+0:14
15K
9.32 mi12:18:341:21:138:4326:58
8:41
-0:10
20K
12.43 mi12:45:411:48:208:4327:07
8:44
+0:03
Half
13.11 mi12:51:281:54:078:425:47
8:29
-0:15
25K
15.53 mi13:12:072:14:468:4120:39
8:31
+0:02
30K
18.64 mi13:39:182:41:578:4127:11
8:45
+0:14
20M
20.00 mi13:51:082:53:478:4111:50
8:42
-0:03
21M
21.00 mi14:00:153:02:548:439:07
9:07
+0:25
35K
21.75 mi14:06:303:09:098:426:15
8:21
-0:46
23M
23.00 mi14:17:363:20:158:4211:06
8:52
+0:31
24M
24.00 mi14:26:333:29:128:438:57
8:57
+0:05
40K
24.85 mi14:34:353:37:148:448:02
9:24
+0:27
25.2M
25.20 mi14:38:053:40:448:463:30
10:09
+0:45
Finish
26.22 mi14:47:163:49:558:479:11
9:01
-1:08

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

8:21 /mi

Average Pace

8:47 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

32:41

14% of race

Time at Steady Pace

2:47:24

73% of race

Time at Slower Pace

29:50

13% of race

Average Pace: 8:46 /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 mi11:24:0626:458:3726:45
8:37
#18297
10K
6.21 mi11:51:3654:158:4427:30
8:51
#19307
15K
9.32 mi12:18:341:21:138:4326:58
8:41
#19124
20K
12.43 mi12:45:411:48:208:4327:07
8:44
#18885
Half
13.11 mi12:51:281:54:078:425:47
8:29
#18821
25K
15.53 mi13:12:072:14:468:4120:39
8:31
#18427
30K
18.64 mi13:39:182:41:578:4127:11
8:45
#17899
20M
20.00 mi13:51:082:53:478:4111:50
8:42
#17666
21M
21.00 mi14:00:153:02:548:439:07
9:07
#17446
35K
21.75 mi14:06:303:09:098:426:15
8:21
#17323
23M
23.00 mi14:17:363:20:158:4211:06
8:52
#17212
24M
24.00 mi14:26:333:29:128:438:57
8:57
#17200
40K
24.85 mi14:34:353:37:148:448:02
9:24
#17234
25.2M
25.20 mi14:38:053:40:448:463:30
10:09
#17259
Finish
26.22 mi14:47:163:49:558:479:11
9:01
#17332
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi182976738673818881(Top 71%)7030(Top 62%)7030(Top 144%)
10K6.21 mi3.10 mi19307-10107338-6007338-60020189(Top 76%)7812(Top 68%)7812(Top 160%)
15K9.32 mi3.11 mi19124+1837209+1297209+12918881(Top 71%)7030(Top 62%)7030(Top 144%)
20K12.43 mi3.11 mi18885+2397051+1587051+15818297(Top 69%)6670(Top 58%)6670(Top 137%)
Half13.11 mi0.68 mi18821+647016+357016+3517621(Top 66%)6258(Top 55%)6258(Top 128%)
25K15.53 mi2.42 mi18427+3946784+2326784+23216327(Top 61%)5634(Top 49%)5634(Top 115%)
30K18.64 mi3.11 mi17899+5286505+2796505+27915792(Top 59%)5383(Top 47%)5383(Top 110%)
20M20.00 mi1.36 mi17666+2336370+1356370+13514939(Top 56%)4966(Top 43%)4966(Top 102%)
21M21.00 mi1.00 mi17446+2206257+1136257+11314092(Top 53%)4539(Top 40%)4539(Top 93%)
35K21.75 mi0.75 mi17323+1236201+566201+5614504(Top 54%)4856(Top 43%)4856(Top 99%)
23M23.00 mi1.25 mi17212+1116144+576144+5715388(Top 58%)5397(Top 47%)5397(Top 111%)
24M24.00 mi1.00 mi17200+126155-116155-1117013(Top 64%)6363(Top 56%)6363(Top 130%)
40K24.85 mi0.85 mi17234-346191-366191-3617943(Top 67%)6915(Top 61%)6915(Top 142%)
25.2M25.20 mi0.35 mi17259-256215-246215-2417975(Top 68%)6946(Top 61%)6946(Top 142%)
Finish26.22 mi1.02 mi17332-736261-466261-4618049(Top 68%)6930(Top 61%)6930(Top 142%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21stories
+97ft-345ft

Overall

18881

Females

7030

F18-39

7030

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

20189

Females

7812

F18-39

7812

10K→15K

6.2 - 9.3 mi

Top 71%
×3stories
+67ft-78ft

Overall

18881

Females

7030

F18-39

7030

15K→20K

9.3 - 12.4 mi

Top 69%
×5stories
+106ft-86ft

Overall

18297

Females

6670

F18-39

6670

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

17621

Females

6258

F18-39

6258

Half→25K

13.1 - 15.5 mi

Top 61%
×4stories
+66ft-88ft

Overall

16327

Females

5634

F18-39

5634

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

15792

Females

5383

F18-39

5383

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

14939

Females

4966

F18-39

4966

20M→21M

20.0 - 21.0 mi

Top 53%
×8stories
+106ft-24ft

Overall

14092

Females

4539

F18-39

4539

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

14504

Females

4856

F18-39

4856

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

15388

Females

5397

F18-39

5397

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

17013

Females

6363

F18-39

6363

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17943

Females

6915

F18-39

6915

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

17975

Females

6946

F18-39

6946

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2stories
+22ft-21ft

Overall

18049

Females

6930

F18-39

6930

Passing Analysis

Category:
Athletes Passed
2577
Passed By
1612
Net Change
+965
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18297
5K → 10K671077-1010#18297#19307
10K → 15K291108+183#19307#19124
15K → 20K29152+239#19124#18885
20K → Half706+64#18885#18821
Half → 25K3995+394#18821#18427
25K → 30K53911+528#18427#17899
30K → 20M2407+233#17899#17666
20M → 21M23111+220#17666#17446
21M → 35K1307+123#17446#17323
35K → 23M14130+111#17323#17212
23M → 24M7260+12#17212#17200
24M → 40K5791-34#17200#17234
40K → 25.2M1439-25#17234#17259
25.2M → Finish35108-73#17259#17332
TOTALS25771612+965
📊

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