Chiayen Lee

Bib: 16025F

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Division (F18-39)
#0 / 4660
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:52
Rank: #16808
Start5K
8:20/mi
25:52 split
10K· 6.21 mi
50:58
Rank: #15767 (+1041)
5K10K
8:05/mi
25:06 split
15K· 9.32 mi
1:17:00
Rank: #15690 (+77)
10K15K
8:23/mi
26:02 split
20K· 12.43 mi
1:45:09
Rank: #16196 (-506)
15K20K
9:04/mi
28:09 split
Half· 13.11 mi
1:51:22
Rank: #16355 (-159)
20KHalf
9:07/mi
6:13 split
25K· 15.53 mi
2:15:03
Rank: #16793 (-438)
Half25K
9:46/mi
23:41 split
30K· 18.64 mi
2:46:23
Rank: #17012 (-219)
25K30K
10:05/mi
31:20 split
20M
3:00:01
Rank: #17000 (+12)
30K20M
10:02/mi
13:38 split
21M
3:10:41
Rank: #16906 (+94)
20M21M
10:40/mi
10:40 split
35K· 21.75 mi
3:17:34
Rank: #16794 (+112)
21M35K
9:12/mi
6:53 split
23M
3:28:59
Rank: #16520 (+274)
35K23M
9:07/mi
11:25 split
24M
3:37:50
Rank: #16280 (+240)
23M24M
8:51/mi
8:51 split
40K· 24.85 mi
3:45:29
Rank: #16050 (+230)
24M40K
8:57/mi
7:39 split
25.2M
3:48:51
Rank: #15940 (+110)
40K25.2M
9:46/mi
3:22 split
Finish· 26.22 mi
3:57:59
Rank: #15836 (+104)
25.2MFinish
8:58/mi
9:08 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:22
Pace8:30 /mi
2nd Half
Distance13.11 mi
Time2:06:37
Pace9:40 /mi
📊Positive Split: 13.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:1425:528:2025:52
8:20
-
10K
6.21 mi11:41:2050:588:1225:06
8:05
-0:15
15K
9.32 mi12:07:221:17:008:1626:02
8:23
+0:18
20K
12.43 mi12:35:311:45:098:2828:09
9:04
+0:41
Half
13.11 mi12:41:441:51:228:306:13
9:07
+0:03
25K
15.53 mi13:05:252:15:038:4223:41
9:46
+0:39
30K
18.64 mi13:36:452:46:238:5631:20
10:05
+0:19
20M
20.00 mi13:50:233:00:019:0013:38
10:02
-0:03
21M
21.00 mi14:01:033:10:419:0510:40
10:40
+0:38
35K
21.75 mi14:07:563:17:349:056:53
9:12
-1:28
23M
23.00 mi14:19:213:28:599:0511:25
9:07
-0:05
24M
24.00 mi14:28:123:37:509:058:51
8:51
-0:16
40K
24.85 mi14:35:513:45:299:047:39
8:57
+0:06
25.2M
25.20 mi14:39:133:48:519:053:22
9:46
+0:49
Finish
26.22 mi14:48:213:57:599:059:08
8:58
-0:48

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

8:05 /mi

Average Pace

9:05 /mi

Slowest Pace

10:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:17:00

32% of race

Time at Steady Pace

1:18:18

33% of race

Time at Slower Pace

1:22:41

35% of race

Average Pace: 9:05 /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 mi11:16:1425:528:2025:52
8:20
#16808
10K
6.21 mi11:41:2050:588:1225:06
8:05
#15767
15K
9.32 mi12:07:221:17:008:1626:02
8:23
#15690
20K
12.43 mi12:35:311:45:098:2828:09
9:04
#16196
Half
13.11 mi12:41:441:51:228:306:13
9:07
#16355
25K
15.53 mi13:05:252:15:038:4223:41
9:46
#16793
30K
18.64 mi13:36:452:46:238:5631:20
10:05
#17012
20M
20.00 mi13:50:233:00:019:0013:38
10:02
#17000
21M
21.00 mi14:01:033:10:419:0510:40
10:40
#16906
35K
21.75 mi14:07:563:17:349:056:53
9:12
#16794
23M
23.00 mi14:19:213:28:599:0511:25
9:07
#16520
24M
24.00 mi14:28:123:37:509:058:51
8:51
#16280
40K
24.85 mi14:35:513:45:299:047:39
8:57
#16050
25.2M
25.20 mi14:39:133:48:519:053:22
9:46
#15940
Finish
26.22 mi14:48:213:57:599:059:08
8:58
#15836
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi168086047604715723(Top 62%)5406(Top 49%)5406(Top 116%)
10K6.21 mi3.10 mi15767+10415392+6555392+65514753(Top 58%)4784(Top 44%)4784(Top 103%)
15K9.32 mi3.11 mi15690+775367+255367+2515723(Top 62%)5406(Top 49%)5406(Top 116%)
20K12.43 mi3.11 mi16196-5065688-3215688-32117596(Top 69%)6477(Top 59%)6477(Top 139%)
Half13.11 mi0.68 mi16355-1595781-935781-9318750(Top 73%)7184(Top 66%)7184(Top 154%)
25K15.53 mi2.42 mi16793-4386072-2916072-29118442(Top 72%)7067(Top 65%)7067(Top 152%)
30K18.64 mi3.11 mi17012-2196263-1916263-19117616(Top 69%)6849(Top 63%)6849(Top 147%)
20M20.00 mi1.36 mi17000+126297-346297-3416605(Top 65%)6513(Top 60%)6513(Top 140%)
21M21.00 mi1.00 mi16906+946275+226275+2215365(Top 60%)6008(Top 55%)6008(Top 129%)
35K21.75 mi0.75 mi16794+1126226+496226+4914284(Top 56%)5480(Top 50%)5480(Top 118%)
23M23.00 mi1.25 mi16520+2746093+1336093+13311800(Top 46%)4311(Top 39%)4311(Top 93%)
24M24.00 mi1.00 mi16280+2405992+1015992+10111417(Top 45%)4128(Top 38%)4128(Top 89%)
40K24.85 mi0.85 mi16050+2305898+945898+9410665(Top 42%)3916(Top 36%)3916(Top 84%)
25.2M25.20 mi0.35 mi15940+1105847+515847+5110014(Top 39%)3658(Top 33%)3658(Top 78%)
Finish26.22 mi1.02 mi15836+1045818+295818+2914031(Top 55%)5498(Top 50%)5498(Top 118%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

15723

Females

5406

F18-39

5406

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

14753

Females

4784

F18-39

4784

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

15723

Females

5406

F18-39

5406

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

17596

Females

6477

F18-39

6477

20K→Half

12.4 - 13.1 mi

Top 73%
×2story building
+19ft-37ft

Overall

18750

Females

7184

F18-39

7184

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

18442

Females

7067

F18-39

7067

25K→30K

15.5 - 18.6 mi

Top 69%
×9story building
+181ft-148ft

Overall

17616

Females

6849

F18-39

6849

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

16605

Females

6513

F18-39

6513

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

15365

Females

6008

F18-39

6008

21M→35K

21.0 - 21.8 mi

Top 56%
×7story building
+17ft-86ft

Overall

14284

Females

5480

F18-39

5480

35K→23M

21.8 - 23.0 mi

Top 46%
×5story building
+23ft-63ft

Overall

11800

Females

4311

F18-39

4311

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

11417

Females

4128

F18-39

4128

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

10665

Females

3916

F18-39

3916

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10014

Females

3658

F18-39

3658

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

14031

Females

5498

F18-39

5498

Passing Analysis

Category:
Athletes Passed
3133
Passed By
2161
Net Change
+972
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16808
5K10K107029+1041#16808#15767
10K15K264187+77#15767#15690
15K20K121627-506#15690#16196
20KHalf13172-159#16196#16355
Half25K111549-438#16355#16793
25K30K166385-219#16793#17012
30K20M128116+12#17012#17000
20M21M14652+94#17000#16906
21M35K12412+112#16906#16794
35K23M2806+274#16794#16520
23M24M2433+240#16520#16280
24M40K2333+230#16280#16050
40K25.2M1133+110#16050#15940
25.2MFinish12117+104#15940#15836
TOTALS31332161+972
📊

Passing Visuals

Category:
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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