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BOSTON MARATHON 2023

Chiu Hsiang Wu

Bib: 14958•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 39%
Masters (Masters Women)
#0 / 6539
Top 26%
Division (F45-49)
#0 / 1817
Top 29%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:58
Rank: #11602
Start → 5K
23:58 | 7:43/mi
10K· 6.21 mi
47:54
Rank: #11910 (-308)
5K → 10K
23:56 | 7:42/mi
15K· 9.32 mi
1:12:04
Rank: #12096 (-186)
10K → 15K
24:10 | 7:47/mi
20K· 12.43 mi
1:37:20
Rank: #12692 (-596)
15K → 20K
25:16 | 8:08/mi
Half· 13.11 mi
1:42:54
Rank: #12862 (-170)
20K → Half
5:34 | 8:10/mi
25K· 15.53 mi
2:02:26
Rank: #12891 (-29)
Half → 25K
19:32 | 8:03/mi
30K· 18.64 mi
2:29:06
Rank: #13292 (-401)
25K → 30K
26:40 | 8:35/mi
20M
2:41:00
Rank: #13427 (-135)
30K → 20M
11:54 | 8:45/mi
21M
2:50:40
Rank: #13668 (-241)
20M → 21M
9:40 | 9:40/mi
35K· 21.75 mi
2:57:07
Rank: #13759 (-91)
21M → 35K
6:27 | 8:37/mi
23M
3:08:22
Rank: #13885 (-126)
35K → 23M
11:15 | 8:59/mi
24M
3:17:05
Rank: #13962 (-77)
23M → 24M
8:43 | 8:43/mi
40K· 24.85 mi
3:24:49
Rank: #14064 (-102)
24M → 40K
7:44 | 9:03/mi
25.2M
3:28:24
Rank: #14171 (-107)
40K → 25.2M
3:35 | 10:23/mi
Finish· 26.22 mi
3:37:35
Rank: #14336 (-165)
25.2M → Finish
9:11 | 9:01/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:54
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:54:41
Pace8:45 /mi
📊Positive Split: 11.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0423:587:4323:58
7:43
-
10K
6.21 mi11:17:0047:547:4323:56
7:42
-0:01
15K
9.32 mi11:41:101:12:047:4424:10
7:47
+0:05
20K
12.43 mi12:06:261:37:207:5025:16
8:08
+0:21
Half
13.11 mi12:12:001:42:547:515:34
8:10
+0:02
25K
15.53 mi12:31:322:02:267:5319:32
8:03
-0:07
30K
18.64 mi12:58:122:29:068:0026:40
8:35
+0:32
20M
20.00 mi13:10:062:41:008:0311:54
8:45
+0:10
21M
21.00 mi13:19:462:50:408:089:40
9:40
+0:55
35K
21.75 mi13:26:132:57:078:096:27
8:37
-1:03
23M
23.00 mi13:37:283:08:228:1111:15
8:59
+0:22
24M
24.00 mi13:46:113:17:058:138:43
8:43
-0:16
40K
24.85 mi13:53:553:24:498:147:44
9:03
+0:20
25.2M
25.20 mi13:57:303:28:248:163:35
10:23
+1:20
Finish
26.22 mi14:06:413:37:358:189:11
9:01
-1:22

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

7:42 /mi

Average Pace

8:18 /mi

Slowest Pace

10:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:26

56% of race

Time at Steady Pace

53:44

25% of race

Time at Slower Pace

41:25

19% of race

Average Pace: 8:18 /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 mi10:53:0423:587:4323:58
7:43
#11602
10K
6.21 mi11:17:0047:547:4323:56
7:42
#11910
15K
9.32 mi11:41:101:12:047:4424:10
7:47
#12096
20K
12.43 mi12:06:261:37:207:5025:16
8:08
#12692
Half
13.11 mi12:12:001:42:547:515:34
8:10
#12862
25K
15.53 mi12:31:322:02:267:5319:32
8:03
#12891
30K
18.64 mi12:58:122:29:068:0026:40
8:35
#13292
20M
20.00 mi13:10:062:41:008:0311:54
8:45
#13427
21M
21.00 mi13:19:462:50:408:089:40
9:40
#13668
35K
21.75 mi13:26:132:57:078:096:27
8:37
#13759
23M
23.00 mi13:37:283:08:228:1111:15
8:59
#13885
24M
24.00 mi13:46:113:17:058:138:43
8:43
#13962
40K
24.85 mi13:53:553:24:498:147:44
9:03
#14064
25.2M
25.20 mi13:57:303:28:248:163:35
10:23
#14171
Finish
26.22 mi14:06:413:37:358:189:11
9:01
#14336
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi116022648264812554(Top 47%)3221(Top 28%)3221(Top 177%)
10K6.21 mi3.10 mi11910-3082825-1772825-17712296(Top 46%)3044(Top 27%)3044(Top 168%)
15K9.32 mi3.11 mi12096-1862949-1242949-12412554(Top 47%)3221(Top 28%)3221(Top 177%)
20K12.43 mi3.11 mi12692-5963304-3553304-35514470(Top 54%)4383(Top 38%)4383(Top 241%)
Half13.11 mi0.68 mi12862-1703402-983402-9815516(Top 58%)4988(Top 44%)4988(Top 275%)
25K15.53 mi2.42 mi12891-293449-473449-4713220(Top 50%)3763(Top 33%)3763(Top 207%)
30K18.64 mi3.11 mi13292-4013723-2743723-27414821(Top 56%)4826(Top 42%)4826(Top 266%)
20M20.00 mi1.36 mi13427-1353818-953818-9515201(Top 57%)5110(Top 45%)5110(Top 281%)
21M21.00 mi1.00 mi13668-2413971-1533971-15316712(Top 63%)6015(Top 53%)6015(Top 331%)
35K21.75 mi0.75 mi13759-914048-774048-7715979(Top 60%)5669(Top 50%)5669(Top 312%)
23M23.00 mi1.25 mi13885-1264155-1074155-10715992(Top 60%)5731(Top 50%)5731(Top 315%)
24M24.00 mi1.00 mi13962-774234-794234-7915756(Top 59%)5669(Top 50%)5669(Top 312%)
40K24.85 mi0.85 mi14064-1024312-784312-7816395(Top 62%)6068(Top 53%)6068(Top 334%)
25.2M25.20 mi0.35 mi14171-1074386-744386-7418750(Top 70%)7354(Top 64%)7354(Top 405%)
Finish26.22 mi1.02 mi14336-1654504-1184504-11818040(Top 68%)6921(Top 61%)6921(Top 381%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21stories
+97ft-345ft

Overall

12554

Females

3221

F45-49

3221

5K→10K

3.1 - 6.2 mi

Top 46%
×5stories
+79ft-138ft

Overall

12296

Females

3044

F45-49

3044

10K→15K

6.2 - 9.3 mi

Top 47%
×3stories
+67ft-78ft

Overall

12554

Females

3221

F45-49

3221

15K→20K

9.3 - 12.4 mi

Top 54%
×5stories
+106ft-86ft

Overall

14470

Females

4383

F45-49

4383

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

15516

Females

4988

F45-49

4988

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

13220

Females

3763

F45-49

3763

25K→30K

15.5 - 18.6 mi

Top 56%
×9stories
+181ft-148ft

Overall

14821

Females

4826

F45-49

4826

30K→20M

18.6 - 20.0 mi

Top 57%
×5stories
+64ft-50ft

Overall

15201

Females

5110

F45-49

5110

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

16712

Females

6015

F45-49

6015

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

15979

Females

5669

F45-49

5669

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

15992

Females

5731

F45-49

5731

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

15756

Females

5669

F45-49

5669

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16395

Females

6068

F45-49

6068

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

18750

Females

7354

F45-49

7354

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2stories
+22ft-21ft

Overall

18040

Females

6921

F45-49

6921

Passing Analysis

Category:
Athletes Passed
885
Passed By
3619
Net Change
-2734
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11602
5K → 10K182490-308#11602#11910
10K → 15K133319-186#11910#12096
15K → 20K46642-596#12096#12692
20K → Half7177-170#12692#12862
Half → 25K139168-29#12862#12891
25K → 30K92493-401#12891#13292
30K → 20M49184-135#13292#13427
20M → 21M35276-241#13427#13668
21M → 35K31122-91#13668#13759
35K → 23M50176-126#13759#13885
23M → 24M43120-77#13885#13962
24M → 40K42144-102#13962#14064
40K → 25.2M8115-107#14064#14171
25.2M → Finish28193-165#14171#14336
TOTALS8853619-2734
📊

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