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BOSTON MARATHON 2023

Karen Wen

Bib: 17047•F

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:58
Rank: #18760
Start → 5K
26:58 | 8:41/mi
10K· 6.21 mi
53:50
Rank: #18915 (-155)
5K → 10K
26:52 | 8:39/mi
15K· 9.32 mi
1:21:07
Rank: #19064 (-149)
10K → 15K
27:17 | 8:47/mi
20K· 12.43 mi
1:49:10
Rank: #19251 (-187)
15K → 20K
28:03 | 9:02/mi
Half· 13.11 mi
1:55:17
Rank: #19287 (-36)
20K → Half
6:07 | 8:58/mi
25K· 15.53 mi
2:17:35
Rank: #19385 (-98)
Half → 25K
22:18 | 9:12/mi
30K· 18.64 mi
2:47:02
Rank: #19408 (-23)
25K → 30K
29:27 | 9:29/mi
20M
3:00:00
Rank: #19364 (+44)
30K → 20M
12:58 | 9:33/mi
21M
3:10:14
Rank: #19319 (+45)
20M → 21M
10:14 | 10:14/mi
35K· 21.75 mi
3:16:58
Rank: #19273 (+46)
21M → 35K
6:44 | 9:00/mi
23M
3:29:04
Rank: #19253 (+20)
35K → 23M
12:06 | 9:40/mi
24M
3:38:25
Rank: #19243 (+10)
23M → 24M
9:21 | 9:21/mi
40K· 24.85 mi
3:46:40
Rank: #19225 (+18)
24M → 40K
8:15 | 9:39/mi
25.2M
3:50:07
Rank: #19196 (+29)
40K → 25.2M
3:27 | 10:00/mi
Finish· 26.22 mi
3:59:31
Rank: #19231 (-35)
25.2M → Finish
9:24 | 9:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:17
Pace8:48 /mi
2nd Half
Distance13.11 mi
Time2:04:14
Pace9:29 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:3326:588:4126:58
8:41
-
10K
6.21 mi12:14:2553:508:4026:52
8:39
-0:02
15K
9.32 mi12:41:421:21:078:4227:17
8:47
+0:08
20K
12.43 mi13:09:451:49:108:4728:03
9:02
+0:15
Half
13.11 mi13:15:521:55:178:486:07
8:58
-0:04
25K
15.53 mi13:38:102:17:358:5122:18
9:12
+0:14
30K
18.64 mi14:07:372:47:028:5829:27
9:29
+0:17
20M
20.00 mi14:20:353:00:009:0012:58
9:33
+0:04
21M
21.00 mi14:30:493:10:149:0410:14
10:14
+0:41
35K
21.75 mi14:37:333:16:589:036:44
9:00
-1:14
23M
23.00 mi14:49:393:29:049:0512:06
9:40
+0:40
24M
24.00 mi14:59:003:38:259:069:21
9:21
-0:19
40K
24.85 mi15:07:153:46:409:078:15
9:39
+0:18
25.2M
25.20 mi15:10:423:50:079:083:27
10:00
+0:21
Finish
26.22 mi15:20:063:59:319:099:24
9:13
-0:47

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

8:39 /mi

Average Pace

9:09 /mi

Slowest Pace

10:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:12:31

80% of race

Time at Steady Pace

36:46

15% of race

Time at Slower Pace

10:14

4% 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 mi11:47:3326:588:4126:58
8:41
#18760
10K
6.21 mi12:14:2553:508:4026:52
8:39
#18915
15K
9.32 mi12:41:421:21:078:4227:17
8:47
#19064
20K
12.43 mi13:09:451:49:108:4728:03
9:02
#19251
Half
13.11 mi13:15:521:55:178:486:07
8:58
#19287
25K
15.53 mi13:38:102:17:358:5122:18
9:12
#19385
30K
18.64 mi14:07:372:47:028:5829:27
9:29
#19408
20M
20.00 mi14:20:353:00:009:0012:58
9:33
#19364
21M
21.00 mi14:30:493:10:149:0410:14
10:14
#19319
35K
21.75 mi14:37:333:16:589:036:44
9:00
#19273
23M
23.00 mi14:49:393:29:049:0512:06
9:40
#19253
24M
24.00 mi14:59:003:38:259:069:21
9:21
#19243
40K
24.85 mi15:07:153:46:409:078:15
9:39
#19225
25.2M
25.20 mi15:10:423:50:079:083:27
10:00
#19196
Finish
26.22 mi15:20:063:59:319:099:24
9:13
#19231
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi187607050705019413(Top 73%)7338(Top 64%)7338(Top 391%)
10K6.21 mi3.10 mi18915-1557091-417091-4119127(Top 72%)7160(Top 63%)7160(Top 381%)
15K9.32 mi3.11 mi19064-1497172-817172-8119413(Top 73%)7338(Top 64%)7338(Top 391%)
20K12.43 mi3.11 mi19251-1877271-997271-9919841(Top 75%)7580(Top 66%)7580(Top 404%)
Half13.11 mi0.68 mi19287-367293-227293-2220319(Top 76%)7854(Top 69%)7854(Top 418%)
25K15.53 mi2.42 mi19385-987349-567349-5619835(Top 75%)7603(Top 67%)7603(Top 405%)
30K18.64 mi3.11 mi19408-237373-247373-2419356(Top 73%)7392(Top 65%)7392(Top 394%)
20M20.00 mi1.36 mi19364+447365+87365+819033(Top 71%)7316(Top 64%)7316(Top 390%)
21M21.00 mi1.00 mi19319+457355+107355+1018834(Top 71%)7248(Top 63%)7248(Top 386%)
35K21.75 mi0.75 mi19273+467329+267329+2617944(Top 67%)6812(Top 60%)6812(Top 363%)
23M23.00 mi1.25 mi19253+207324+57324+518959(Top 71%)7381(Top 65%)7381(Top 393%)
24M24.00 mi1.00 mi19243+107329-57329-518674(Top 70%)7266(Top 64%)7266(Top 387%)
40K24.85 mi0.85 mi19225+187325+47325+418875(Top 71%)7425(Top 65%)7425(Top 395%)
25.2M25.20 mi0.35 mi19196+297314+117314+1117466(Top 66%)6699(Top 59%)6699(Top 357%)
Finish26.22 mi1.02 mi19231-357343-297343-2919046(Top 72%)7462(Top 65%)7462(Top 397%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

19413

Females

7338

F40-44

7338

5K→10K

3.1 - 6.2 mi

Top 72%
×5stories
+79ft-138ft

Overall

19127

Females

7160

F40-44

7160

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

19413

Females

7338

F40-44

7338

15K→20K

9.3 - 12.4 mi

Top 75%
×5stories
+106ft-86ft

Overall

19841

Females

7580

F40-44

7580

20K→Half

12.4 - 13.1 mi

Top 76%
×2stories
+19ft-37ft

Overall

20319

Females

7854

F40-44

7854

Half→25K

13.1 - 15.5 mi

Top 75%
×4stories
+66ft-88ft

Overall

19835

Females

7603

F40-44

7603

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

19356

Females

7392

F40-44

7392

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

19033

Females

7316

F40-44

7316

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

18834

Females

7248

F40-44

7248

21M→35K

21.0 - 21.8 mi

Top 67%
×7stories
+17ft-86ft

Overall

17944

Females

6812

F40-44

6812

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

18959

Females

7381

F40-44

7381

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

18674

Females

7266

F40-44

7266

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18875

Females

7425

F40-44

7425

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17466

Females

6699

F40-44

6699

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2stories
+22ft-21ft

Overall

19046

Females

7462

F40-44

7462

Passing Analysis

Category:
Athletes Passed
1291
Passed By
1762
Net Change
-471
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18760
5K → 10K267422-155#18760#18915
10K → 15K123272-149#18915#19064
15K → 20K96283-187#19064#19251
20K → Half1248-36#19251#19287
Half → 25K89187-98#19287#19385
25K → 30K155178-23#19385#19408
30K → 20M10460+44#19408#19364
20M → 21M10055+45#19364#19319
21M → 35K6418+46#19319#19273
35K → 23M8060+20#19273#19253
23M → 24M6555+10#19253#19243
24M → 40K5840+18#19243#19225
40K → 25.2M345+29#19225#19196
25.2M → Finish4479-35#19196#19231
TOTALS12911762-471
📊

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