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BOSTON MARATHON 2023

Chiat Wei Yeo

Bib: 30188•F

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
27:45
Rank: #20136
Start → 5K
27:45 | 8:56/mi
10K· 6.21 mi
54:27
Rank: #19482 (+654)
5K → 10K
26:42 | 8:36/mi
15K· 9.32 mi
1:21:51
Rank: #19513 (-31)
10K → 15K
27:24 | 8:49/mi
20K· 12.43 mi
1:51:05
Rank: #20063 (-550)
15K → 20K
29:14 | 9:25/mi
Half· 13.11 mi
1:57:06
Rank: #20045 (+18)
20K → Half
6:01 | 8:49/mi
25K· 15.53 mi
2:20:12
Rank: #20247 (-202)
Half → 25K
23:06 | 9:32/mi
30K· 18.64 mi
2:52:04
Rank: #20570 (-323)
25K → 30K
31:52 | 10:15/mi
20M
3:05:30
Rank: #20532 (+38)
30K → 20M
13:26 | 9:53/mi
21M
3:17:38
Rank: #20723 (-191)
20M → 21M
12:08 | 12:08/mi
35K· 21.75 mi
3:24:55
Rank: #20702 (+21)
21M → 35K
7:17 | 9:44/mi
23M
3:38:02
Rank: #20738 (-36)
35K → 23M
13:07 | 10:29/mi
24M
3:47:56
Rank: #20729 (+9)
23M → 24M
9:54 | 9:54/mi
40K· 24.85 mi
3:56:10
Rank: #20643 (+86)
24M → 40K
8:14 | 9:38/mi
25.2M
3:59:54
Rank: #20634 (+9)
40K → 25.2M
3:44 | 10:50/mi
Finish· 26.22 mi
4:09:46
Rank: #20632 (+2)
25.2M → Finish
9:52 | 9:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:06
Pace8:56 /mi
2nd Half
Distance13.11 mi
Time2:12:40
Pace10:07 /mi
📊Positive Split: 13.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:1827:458:5627:45
8:56
-
10K
6.21 mi12:13:0054:278:4626:42
8:36
-0:20
15K
9.32 mi12:40:241:21:518:4727:24
8:49
+0:13
20K
12.43 mi13:09:381:51:058:5629:14
9:25
+0:36
Half
13.11 mi13:15:391:57:068:566:01
8:49
-0:36
25K
15.53 mi13:38:452:20:129:0223:06
9:32
+0:43
30K
18.64 mi14:10:372:52:049:1431:52
10:15
+0:43
20M
20.00 mi14:24:033:05:309:1613:26
9:53
-0:22
21M
21.00 mi14:36:113:17:389:2512:08
12:08
+2:15
35K
21.75 mi14:43:283:24:559:257:17
9:44
-2:24
23M
23.00 mi14:56:353:38:029:2913:07
10:29
+0:45
24M
24.00 mi15:06:293:47:569:309:54
9:54
-0:35
40K
24.85 mi15:14:433:56:109:308:14
9:38
-0:16
25.2M
25.20 mi15:18:273:59:549:313:44
10:50
+1:12
Finish
26.22 mi15:28:194:09:469:329:52
9:41
-1:09

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

8:36 /mi

Average Pace

9:32 /mi

Slowest Pace

12:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:52

35% of race

Time at Steady Pace

1:41:03

40% of race

Time at Slower Pace

1:00:51

24% of race

Average Pace: 9:32 /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 mi11:46:1827:458:5627:45
8:56
#20136
10K
6.21 mi12:13:0054:278:4626:42
8:36
#19482
15K
9.32 mi12:40:241:21:518:4727:24
8:49
#19513
20K
12.43 mi13:09:381:51:058:5629:14
9:25
#20063
Half
13.11 mi13:15:391:57:068:566:01
8:49
#20045
25K
15.53 mi13:38:452:20:129:0223:06
9:32
#20247
30K
18.64 mi14:10:372:52:049:1431:52
10:15
#20570
20M
20.00 mi14:24:033:05:309:1613:26
9:53
#20532
21M
21.00 mi14:36:113:17:389:2512:08
12:08
#20723
35K
21.75 mi14:43:283:24:559:257:17
9:44
#20702
23M
23.00 mi14:56:353:38:029:2913:07
10:29
#20738
24M
24.00 mi15:06:293:47:569:309:54
9:54
#20729
40K
24.85 mi15:14:433:56:109:308:14
9:38
#20643
25.2M
25.20 mi15:18:273:59:549:313:44
10:50
#20634
Finish
26.22 mi15:28:194:09:469:329:52
9:41
#20632
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi201367901790119635(Top 74%)7466(Top 65%)7466(Top 398%)
10K6.21 mi3.10 mi19482+6547453+4487453+44818820(Top 71%)6977(Top 61%)6977(Top 372%)
15K9.32 mi3.11 mi19513-317455-27455-219635(Top 74%)7466(Top 65%)7466(Top 398%)
20K12.43 mi3.11 mi20063-5507755-3007755-30021269(Top 80%)8384(Top 73%)8384(Top 446%)
Half13.11 mi0.68 mi20045+187747+87747+819649(Top 74%)7477(Top 65%)7477(Top 398%)
25K15.53 mi2.42 mi20247-2027844-977844-9720928(Top 79%)8229(Top 72%)8229(Top 438%)
30K18.64 mi3.11 mi20570-3238048-2048048-20421674(Top 81%)8724(Top 76%)8724(Top 465%)
20M20.00 mi1.36 mi20532+388042+68042+620147(Top 76%)7950(Top 70%)7950(Top 423%)
21M21.00 mi1.00 mi20723-1918148-1068148-10622950(Top 86%)9521(Top 83%)9521(Top 507%)
35K21.75 mi0.75 mi20702+218148814820576(Top 77%)8257(Top 72%)8257(Top 440%)
23M23.00 mi1.25 mi20738-368189-418189-4121264(Top 80%)8658(Top 76%)8658(Top 461%)
24M24.00 mi1.00 mi20729+98194-58194-520515(Top 77%)8269(Top 72%)8269(Top 440%)
40K24.85 mi0.85 mi20643+868155+398155+3918825(Top 71%)7398(Top 65%)7398(Top 394%)
25.2M25.20 mi0.35 mi20634+98154+18154+120075(Top 75%)8106(Top 71%)8106(Top 432%)
Finish26.22 mi1.02 mi20632+28165-118165-1120751(Top 78%)8436(Top 74%)8436(Top 449%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

19635

Females

7466

F40-44

7466

5K→10K

3.1 - 6.2 mi

Top 71%
×5stories
+79ft-138ft

Overall

18820

Females

6977

F40-44

6977

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

19635

Females

7466

F40-44

7466

15K→20K

9.3 - 12.4 mi

Top 80%
×5stories
+106ft-86ft

Overall

21269

Females

8384

F40-44

8384

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

19649

Females

7477

F40-44

7477

Half→25K

13.1 - 15.5 mi

Top 79%
×4stories
+66ft-88ft

Overall

20928

Females

8229

F40-44

8229

25K→30K

15.5 - 18.6 mi

Top 81%
×9stories
+181ft-148ft

Overall

21674

Females

8724

F40-44

8724

30K→20M

18.6 - 20.0 mi

Top 76%
×5stories
+64ft-50ft

Overall

20147

Females

7950

F40-44

7950

20M→21M

20.0 - 21.0 mi

Top 86%
×8stories
+106ft-24ft

Overall

22950

Females

9521

F40-44

9521

21M→35K

21.0 - 21.8 mi

Top 77%
×7stories
+17ft-86ft

Overall

20576

Females

8257

F40-44

8257

35K→23M

21.8 - 23.0 mi

Top 80%
×5stories
+23ft-63ft

Overall

21264

Females

8658

F40-44

8658

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

20515

Females

8269

F40-44

8269

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18825

Females

7398

F40-44

7398

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

20075

Females

8106

F40-44

8106

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

20751

Females

8436

F40-44

8436

Passing Analysis

Category:
Athletes Passed
1606
Passed By
2102
Net Change
-496
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20136
5K → 10K760106+654#20136#19482
10K → 15K171202-31#19482#19513
15K → 20K64614-550#19513#20063
20K → Half4123+18#20063#20045
Half → 25K82284-202#20045#20247
25K → 30K62385-323#20247#20570
30K → 20M8951+38#20570#20532
20M → 21M28219-191#20532#20723
21M → 35K5029+21#20723#20702
35K → 23M5995-36#20702#20738
23M → 24M4637+9#20738#20729
24M → 40K893+86#20729#20643
40K → 25.2M2314+9#20643#20634
25.2M → Finish4240+2#20634#20632
TOTALS16062102-496
📊

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