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BOSTON MARATHON 2023

Suzie Semroc

Bib: 14698•F

PA

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
27:11
Rank: #19194
Start → 5K
27:11 | 8:45/mi
10K· 6.21 mi
56:12
Rank: #20831 (-1637)
5K → 10K
29:01 | 9:20/mi
15K· 9.32 mi
1:27:24
Rank: #21920 (-1089)
10K → 15K
31:12 | 10:03/mi
20K· 12.43 mi
1:58:59
Rank: #22316 (-396)
15K → 20K
31:35 | 10:10/mi
Half· 13.11 mi
2:05:07
Rank: #22231 (+85)
20K → Half
6:08 | 8:59/mi
25K· 15.53 mi
2:29:08
Rank: #22198 (+33)
Half → 25K
24:01 | 9:54/mi
30K· 18.64 mi
3:03:16
Rank: #22400 (-202)
25K → 30K
34:08 | 10:59/mi
20M
3:19:49
Rank: #22614 (-214)
30K → 20M
16:33 | 12:11/mi
21M
3:37:10
Rank: #23184 (-570)
20M → 21M
17:21 | 17:21/mi
35K· 21.75 mi
3:45:05
Rank: #23150 (+34)
21M → 35K
7:55 | 10:35/mi
23M
4:00:36
Rank: #23251 (-101)
35K → 23M
15:31 | 12:24/mi
24M
4:12:09
Rank: #23305 (-54)
23M → 24M
11:33 | 11:33/mi
40K· 24.85 mi
4:22:11
Rank: #23322 (-17)
24M → 40K
10:02 | 11:44/mi
25.2M
4:25:40
Rank: #23252 (+70)
40K → 25.2M
3:29 | 10:06/mi
Finish· 26.22 mi
4:35:01
Rank: #23120 (+132)
25.2M → Finish
9:21 | 9:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:07
Pace9:33 /mi
2nd Half
Distance13.11 mi
Time2:29:54
Pace11:26 /mi
📊Positive Split: 19.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:0927:118:4527:11
8:45
-
10K
6.21 mi11:25:1056:129:0329:01
9:20
+0:35
15K
9.32 mi11:56:221:27:249:2331:12
10:03
+0:43
20K
12.43 mi12:27:571:58:599:3431:35
10:10
+0:07
Half
13.11 mi12:34:052:05:079:336:08
8:59
-1:11
25K
15.53 mi12:58:062:29:089:3624:01
9:54
+0:55
30K
18.64 mi13:32:143:03:169:5034:08
10:59
+1:05
20M
20.00 mi13:48:473:19:499:5916:33
12:11
+1:12
21M
21.00 mi14:06:083:37:1010:2017:21
17:21
+5:10
35K
21.75 mi14:14:033:45:0510:217:55
10:35
-6:46
23M
23.00 mi14:29:344:00:3610:2815:31
12:24
+1:49
24M
24.00 mi14:41:074:12:0910:3011:33
11:33
-0:51
40K
24.85 mi14:51:094:22:1110:3310:02
11:44
+0:11
25.2M
25.20 mi14:54:384:25:4010:333:29
10:06
-1:38
Finish
26.22 mi15:03:594:35:0110:309:21
9:11
-0:55

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

8:45 /mi

Average Pace

10:30 /mi

Slowest Pace

17:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

33:19

12% of race

Time at Steady Pace

2:50:42

62% of race

Time at Slower Pace

1:11:00

26% of race

Average Pace: 10:29 /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 mi10:56:0927:118:4527:11
8:45
#19194
10K
6.21 mi11:25:1056:129:0329:01
9:20
#20831
15K
9.32 mi11:56:221:27:249:2331:12
10:03
#21920
20K
12.43 mi12:27:571:58:599:3431:35
10:10
#22316
Half
13.11 mi12:34:052:05:079:336:08
8:59
#22231
25K
15.53 mi12:58:062:29:089:3624:01
9:54
#22198
30K
18.64 mi13:32:143:03:169:5034:08
10:59
#22400
20M
20.00 mi13:48:473:19:499:5916:33
12:11
#22614
21M
21.00 mi14:06:083:37:1010:2017:21
17:21
#23184
35K
21.75 mi14:14:033:45:0510:217:55
10:35
#23150
23M
23.00 mi14:29:344:00:3610:2815:31
12:24
#23251
24M
24.00 mi14:41:074:12:0910:3011:33
11:33
#23305
40K
24.85 mi14:51:094:22:1110:3310:02
11:44
#23322
25.2M
25.20 mi14:54:384:25:4010:333:29
10:06
#23252
Finish
26.22 mi15:03:594:35:0110:309:21
9:11
#23120
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi191947328732823583(Top 89%)9658(Top 85%)9658(Top 198%)
10K6.21 mi3.10 mi20831-16378224-8968224-89622052(Top 83%)8843(Top 77%)8843(Top 181%)
15K9.32 mi3.11 mi21920-10898797-5738797-57323583(Top 89%)9658(Top 85%)9658(Top 198%)
20K12.43 mi3.11 mi22316-3968991-1948991-19423240(Top 87%)9479(Top 83%)9479(Top 194%)
Half13.11 mi0.68 mi22231+858953+388953+3820453(Top 77%)7951(Top 70%)7951(Top 163%)
25K15.53 mi2.42 mi22198+338937+168937+1622011(Top 83%)8846(Top 77%)8846(Top 181%)
30K18.64 mi3.11 mi22400-2029062-1259062-12523081(Top 87%)9500(Top 83%)9500(Top 195%)
20M20.00 mi1.36 mi22614-2149202-1409202-14024417(Top 92%)10292(Top 90%)10292(Top 211%)
21M21.00 mi1.00 mi23184-5709502-3009502-30026488(Top 99%)11351(Top 99%)11351(Top 232%)
35K21.75 mi0.75 mi23150+349497+59497+522548(Top 85%)9351(Top 82%)9351(Top 191%)
23M23.00 mi1.25 mi23251-1019551-549551-5424474(Top 92%)10377(Top 91%)10377(Top 212%)
24M24.00 mi1.00 mi23305-549582-319582-3123945(Top 90%)10138(Top 89%)10138(Top 208%)
40K24.85 mi0.85 mi23322-179607-259607-2523556(Top 88%)9973(Top 87%)9973(Top 204%)
25.2M25.20 mi0.35 mi23252+709574+339574+3317867(Top 67%)6917(Top 61%)6917(Top 142%)
Finish26.22 mi1.02 mi23120+1329512+629512+6218841(Top 71%)7363(Top 64%)7363(Top 151%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

23583

Females

9658

F18-39

9658

5K→10K

3.1 - 6.2 mi

Top 83%
×5stories
+79ft-138ft

Overall

22052

Females

8843

F18-39

8843

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

23583

Females

9658

F18-39

9658

15K→20K

9.3 - 12.4 mi

Top 87%
×5stories
+106ft-86ft

Overall

23240

Females

9479

F18-39

9479

20K→Half

12.4 - 13.1 mi

Top 77%
×2stories
+19ft-37ft

Overall

20453

Females

7951

F18-39

7951

Half→25K

13.1 - 15.5 mi

Top 83%
×4stories
+66ft-88ft

Overall

22011

Females

8846

F18-39

8846

25K→30K

15.5 - 18.6 mi

Top 87%
×9stories
+181ft-148ft

Overall

23081

Females

9500

F18-39

9500

30K→20M

18.6 - 20.0 mi

Top 92%
×5stories
+64ft-50ft

Overall

24417

Females

10292

F18-39

10292

20M→21M

20.0 - 21.0 mi

Top 99%
×8stories
+106ft-24ft

Overall

26488

Females

11351

F18-39

11351

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

22548

Females

9351

F18-39

9351

35K→23M

21.8 - 23.0 mi

Top 92%
×5stories
+23ft-63ft

Overall

24474

Females

10377

F18-39

10377

23M→24M

23.0 - 24.0 mi

Top 90%
×6stories
+12ft-82ft

Overall

23945

Females

10138

F18-39

10138

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23556

Females

9973

F18-39

9973

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17867

Females

6917

F18-39

6917

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2stories
+22ft-21ft

Overall

18841

Females

7363

F18-39

7363

Passing Analysis

Category:
Athletes Passed
674
Passed By
4600
Net Change
-3926
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19194
5K → 10K211658-1637#19194#20831
10K → 15K91098-1089#20831#21920
15K → 20K38434-396#21920#22316
20K → Half861+85#22316#22231
Half → 25K12289+33#22231#22198
25K → 30K68270-202#22198#22400
30K → 20M17231-214#22400#22614
20M → 21M1571-570#22614#23184
21M → 35K4814+34#23184#23150
35K → 23M16117-101#23150#23251
23M → 24M1670-54#23251#23305
24M → 40K3047-17#23305#23322
40K → 25.2M700+70#23322#23252
25.2M → Finish1320+132#23252#23120
TOTALS6744600-3926
📊

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