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BOSTON MARATHON 2023

Claudia Serien

Bib: 16718•F

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0:00
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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
24:36
Rank: #13420
Start → 5K
24:36 | 7:55/mi
10K· 6.21 mi
50:34
Rank: #15382 (-1962)
5K → 10K
25:58 | 8:21/mi
15K· 9.32 mi
1:17:04
Rank: #16299 (-917)
10K → 15K
26:30 | 8:32/mi
20K· 12.43 mi
1:46:01
Rank: #17764 (-1465)
15K → 20K
28:57 | 9:19/mi
Half· 13.11 mi
1:52:03
Rank: #17874 (-110)
20K → Half
6:02 | 8:51/mi
25K· 15.53 mi
2:14:29
Rank: #18321 (-447)
Half → 25K
22:26 | 9:15/mi
30K· 18.64 mi
2:45:12
Rank: #18898 (-577)
25K → 30K
30:43 | 9:53/mi
20M
2:58:15
Rank: #18944 (-46)
30K → 20M
13:03 | 9:36/mi
21M
3:08:48
Rank: #19011 (-67)
20M → 21M
10:33 | 10:33/mi
35K· 21.75 mi
3:16:06
Rank: #19095 (-84)
21M → 35K
7:18 | 9:45/mi
23M
3:28:40
Rank: #19184 (-89)
35K → 23M
12:34 | 10:02/mi
24M
3:38:30
Rank: #19260 (-76)
23M → 24M
9:50 | 9:50/mi
40K· 24.85 mi
3:46:43
Rank: #19235 (+25)
24M → 40K
8:13 | 9:37/mi
25.2M
3:50:04
Rank: #19188 (+47)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
3:59:35
Rank: #19245 (-57)
25.2M → Finish
9:31 | 9:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:03
Pace8:33 /mi
2nd Half
Distance13.11 mi
Time2:07:32
Pace9:44 /mi
📊Positive Split: 13.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:0124:367:5524:36
7:55
-
10K
6.21 mi11:40:5950:348:0825:58
8:21
+0:26
15K
9.32 mi12:07:291:17:048:1626:30
8:32
+0:11
20K
12.43 mi12:36:261:46:018:3228:57
9:19
+0:47
Half
13.11 mi12:42:281:52:038:336:02
8:51
-0:28
25K
15.53 mi13:04:542:14:298:3922:26
9:15
+0:24
30K
18.64 mi13:35:372:45:128:5230:43
9:53
+0:38
20M
20.00 mi13:48:402:58:158:5513:03
9:36
-0:17
21M
21.00 mi13:59:133:08:488:5910:33
10:33
+0:57
35K
21.75 mi14:06:313:16:069:017:18
9:45
-0:48
23M
23.00 mi14:19:053:28:409:0412:34
10:02
+0:17
24M
24.00 mi14:28:553:38:309:069:50
9:50
-0:12
40K
24.85 mi14:37:083:46:439:078:13
9:37
-0:13
25.2M
25.20 mi14:40:293:50:049:083:21
9:43
+0:06
Finish
26.22 mi14:50:003:59:359:099:31
9:20
-0:23

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

7:55 /mi

Average Pace

9:09 /mi

Slowest Pace

10:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:32

44% of race

Time at Steady Pace

1:50:56

46% of race

Time at Slower Pace

23:07

10% of race

Average Pace: 9:08 /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 mi11:15:0124:367:5524:36
7:55
#13420
10K
6.21 mi11:40:5950:348:0825:58
8:21
#15382
15K
9.32 mi12:07:291:17:048:1626:30
8:32
#16299
20K
12.43 mi12:36:261:46:018:3228:57
9:19
#17764
Half
13.11 mi12:42:281:52:038:336:02
8:51
#17874
25K
15.53 mi13:04:542:14:298:3922:26
9:15
#18321
30K
18.64 mi13:35:372:45:128:5230:43
9:53
#18898
20M
20.00 mi13:48:402:58:158:5513:03
9:36
#18944
21M
21.00 mi13:59:133:08:488:5910:33
10:33
#19011
35K
21.75 mi14:06:313:16:069:017:18
9:45
#19095
23M
23.00 mi14:19:053:28:409:0412:34
10:02
#19184
24M
24.00 mi14:28:553:38:309:069:50
9:50
#19260
40K
24.85 mi14:37:083:46:439:078:13
9:37
#19235
25.2M
25.20 mi14:40:293:50:049:083:21
9:43
#19188
Finish
26.22 mi14:50:003:59:359:099:31
9:20
#19245
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi134203682368218026(Top 68%)6514(Top 57%)6514(Top 133%)
10K6.21 mi3.10 mi15382-19624894-12124894-121217310(Top 65%)6070(Top 53%)6070(Top 124%)
15K9.32 mi3.11 mi16299-9175466-5725466-57218026(Top 68%)6514(Top 57%)6514(Top 133%)
20K12.43 mi3.11 mi17764-14656380-9146380-91421022(Top 79%)8242(Top 72%)8242(Top 169%)
Half13.11 mi0.68 mi17874-1106452-726452-7219760(Top 74%)7531(Top 66%)7531(Top 154%)
25K15.53 mi2.42 mi18321-4476720-2686720-26820033(Top 75%)7711(Top 68%)7711(Top 158%)
30K18.64 mi3.11 mi18898-5777078-3587078-35820714(Top 78%)8175(Top 72%)8175(Top 167%)
20M20.00 mi1.36 mi18944-467128-507128-5019250(Top 72%)7428(Top 65%)7428(Top 152%)
21M21.00 mi1.00 mi19011-677175-477175-4719746(Top 74%)7787(Top 68%)7787(Top 159%)
35K21.75 mi0.75 mi19095-847227-527227-5220637(Top 78%)8289(Top 73%)8289(Top 170%)
23M23.00 mi1.25 mi19184-897287-607287-6020096(Top 75%)8009(Top 70%)8009(Top 164%)
24M24.00 mi1.00 mi19260-767341-547341-5420335(Top 76%)8171(Top 72%)8171(Top 167%)
40K24.85 mi0.85 mi19235+257331+107331+1018747(Top 70%)7356(Top 64%)7356(Top 151%)
25.2M25.20 mi0.35 mi19188+477308+237308+2316278(Top 61%)6045(Top 53%)6045(Top 124%)
Finish26.22 mi1.02 mi19245-577350-427350-4219540(Top 73%)7751(Top 68%)7751(Top 159%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21stories
+97ft-345ft

Overall

18026

Females

6514

F18-39

6514

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

17310

Females

6070

F18-39

6070

10K→15K

6.2 - 9.3 mi

Top 68%
×3stories
+67ft-78ft

Overall

18026

Females

6514

F18-39

6514

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

21022

Females

8242

F18-39

8242

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

19760

Females

7531

F18-39

7531

Half→25K

13.1 - 15.5 mi

Top 75%
×4stories
+66ft-88ft

Overall

20033

Females

7711

F18-39

7711

25K→30K

15.5 - 18.6 mi

Top 78%
×9stories
+181ft-148ft

Overall

20714

Females

8175

F18-39

8175

30K→20M

18.6 - 20.0 mi

Top 72%
×5stories
+64ft-50ft

Overall

19250

Females

7428

F18-39

7428

20M→21M

20.0 - 21.0 mi

Top 74%
×8stories
+106ft-24ft

Overall

19746

Females

7787

F18-39

7787

21M→35K

21.0 - 21.8 mi

Top 78%
×7stories
+17ft-86ft

Overall

20637

Females

8289

F18-39

8289

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

20096

Females

8009

F18-39

8009

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

20335

Females

8171

F18-39

8171

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18747

Females

7356

F18-39

7356

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16278

Females

6045

F18-39

6045

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

19540

Females

7751

F18-39

7751

Passing Analysis

Category:
Athletes Passed
534
Passed By
6359
Net Change
-5825
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13420
5K → 10K131975-1962#13420#15382
10K → 15K25942-917#15382#16299
15K → 20K171482-1465#16299#17764
20K → Half7117-110#17764#17874
Half → 25K42489-447#17874#18321
25K → 30K57634-577#18321#18898
30K → 20M62108-46#18898#18944
20M → 21M58125-67#18944#19011
21M → 35K22106-84#19011#19095
35K → 23M52141-89#19095#19184
23M → 24M33109-76#19184#19260
24M → 40K6136+25#19260#19235
40K → 25.2M514+47#19235#19188
25.2M → Finish3491-57#19188#19245
TOTALS5346359-5825
📊

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