Iman Lai

Bib: 18229F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 41%
Gender (Female)
#0 / 10924
Top 27%
Masters (Masters Women)
#0 / 6263
Top 15%
Division (F40-44)
#0 / 1613
Top 30%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:45
Rank: #11891
Start5K
7:39/mi
23:45 split
10K· 6.21 mi
47:47
Rank: #12009 (-118)
5K10K
7:44/mi
24:02 split
15K· 9.32 mi
1:12:01
Rank: #11955 (+54)
10K15K
7:48/mi
24:14 split
20K· 12.43 mi
1:36:34
Rank: #11686 (+269)
15K20K
7:54/mi
24:33 split
Half· 13.11 mi
1:41:48
Rank: #11601 (+85)
20KHalf
7:40/mi
5:14 split
25K· 15.53 mi
2:01:09
Rank: #11266 (+335)
Half25K
7:59/mi
19:21 split
30K· 18.64 mi
2:27:47
Rank: #11157 (+109)
25K30K
8:34/mi
26:38 split
20M
2:39:50
Rank: #11114 (+43)
30K20M
8:52/mi
12:03 split
21M
2:49:28
Rank: #11110 (+4)
20M21M
9:38/mi
9:38 split
35K· 21.75 mi
2:55:47
Rank: #11041 (+69)
21M35K
8:27/mi
6:19 split
23M
3:06:39
Rank: #10904 (+137)
35K23M
8:41/mi
10:52 split
24M
3:15:14
Rank: #10813 (+91)
23M24M
8:35/mi
8:35 split
40K· 24.85 mi
3:22:33
Rank: #10683 (+130)
24M40K
8:33/mi
7:19 split
25.2M
3:25:48
Rank: #10622 (+61)
40K25.2M
9:25/mi
3:15 split
Finish· 26.22 mi
3:34:06
Rank: #10556 (+66)
25.2MFinish
8:09/mi
8:18 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:48
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time1:52:18
Pace8:34 /mi
📊Positive Split: 10.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:5723:457:3923:45
7:39
-
10K
6.21 mi11:38:5947:477:4124:02
7:44
+0:05
15K
9.32 mi12:03:131:12:017:4424:14
7:48
+0:04
20K
12.43 mi12:27:461:36:347:4624:33
7:54
+0:06
Half
13.11 mi12:33:001:41:487:465:14
7:40
-0:14
25K
15.53 mi12:52:212:01:097:4819:21
7:59
+0:19
30K
18.64 mi13:18:592:27:477:5626:38
8:34
+0:35
20M
20.00 mi13:31:022:39:507:5912:03
8:52
+0:18
21M
21.00 mi13:40:402:49:288:049:38
9:38
+0:46
35K
21.75 mi13:46:592:55:478:056:19
8:27
-1:11
23M
23.00 mi13:57:513:06:398:0710:52
8:41
+0:14
24M
24.00 mi14:06:263:15:148:088:35
8:35
-0:06
40K
24.85 mi14:13:453:22:338:097:19
8:33
-0:02
25.2M
25.20 mi14:17:003:25:488:103:15
9:25
+0:52
Finish
26.22 mi14:25:183:34:068:108:18
8:09
-1:16

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

7:39 /mi

Average Pace

8:10 /mi

Slowest Pace

9:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:27

60% of race

Time at Steady Pace

59:43

28% of race

Time at Slower Pace

24:56

12% of race

Average Pace: 8:10 /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 mi11:14:5723:457:3923:45
7:39
#11891
10K
6.21 mi11:38:5947:477:4124:02
7:44
#12009
15K
9.32 mi12:03:131:12:017:4424:14
7:48
#11955
20K
12.43 mi12:27:461:36:347:4624:33
7:54
#11686
Half
13.11 mi12:33:001:41:487:465:14
7:40
#11601
25K
15.53 mi12:52:212:01:097:4819:21
7:59
#11266
30K
18.64 mi13:18:592:27:477:5626:38
8:34
#11157
20M
20.00 mi13:31:022:39:507:5912:03
8:52
#11114
21M
21.00 mi13:40:402:49:288:049:38
9:38
#11110
35K
21.75 mi13:46:592:55:478:056:19
8:27
#11041
23M
23.00 mi13:57:513:06:398:0710:52
8:41
#10904
24M
24.00 mi14:06:263:15:148:088:35
8:35
#10813
40K
24.85 mi14:13:453:22:338:097:19
8:33
#10683
25.2M
25.20 mi14:17:003:25:488:103:15
9:25
#10622
Finish
26.22 mi14:25:183:34:068:108:18
8:09
#10556
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi118913067306711929(Top 47%)3206(Top 29%)3206(Top 199%)
10K6.21 mi3.10 mi12009-1183173-1063173-10612142(Top 48%)3267(Top 30%)3267(Top 203%)
15K9.32 mi3.11 mi11955+543179-63179-611929(Top 47%)3206(Top 29%)3206(Top 199%)
20K12.43 mi3.11 mi11686+2693048+1313048+13111150(Top 44%)2890(Top 26%)2890(Top 179%)
Half13.11 mi0.68 mi11601+853000+483000+4810442(Top 41%)2532(Top 23%)2532(Top 157%)
25K15.53 mi2.42 mi11266+3352867+1332867+13310093(Top 40%)2532(Top 23%)2532(Top 157%)
30K18.64 mi3.11 mi11157+1092906-392906-3911016(Top 43%)3189(Top 29%)3189(Top 198%)
20M20.00 mi1.36 mi11114+432945-392945-3911444(Top 45%)3724(Top 34%)3724(Top 231%)
21M21.00 mi1.00 mi11110+42991-462991-4611410(Top 45%)3951(Top 36%)3951(Top 245%)
35K21.75 mi0.75 mi11041+692996-52996-510424(Top 41%)3449(Top 32%)3449(Top 214%)
23M23.00 mi1.25 mi10904+1372985+112985+119450(Top 37%)3106(Top 28%)3106(Top 193%)
24M24.00 mi1.00 mi10813+912977+82977+89959(Top 39%)3413(Top 31%)3413(Top 212%)
40K24.85 mi0.85 mi10683+1302974+32974+38686(Top 34%)2918(Top 27%)2918(Top 181%)
25.2M25.20 mi0.35 mi10622+612964+102964+108482(Top 33%)2890(Top 26%)2890(Top 179%)
Finish26.22 mi1.02 mi10556+66296429649476(Top 37%)3265(Top 30%)3265(Top 202%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

11929

Females

3206

F40-44

3206

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

12142

Females

3267

F40-44

3267

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

11929

Females

3206

F40-44

3206

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

11150

Females

2890

F40-44

2890

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

10442

Females

2532

F40-44

2532

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

10093

Females

2532

F40-44

2532

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

11016

Females

3189

F40-44

3189

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

11444

Females

3724

F40-44

3724

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

11410

Females

3951

F40-44

3951

21M→35K

21.0 - 21.8 mi

Top 41%
×7story building
+17ft-86ft

Overall

10424

Females

3449

F40-44

3449

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

9450

Females

3106

F40-44

3106

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

9959

Females

3413

F40-44

3413

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

8686

Females

2918

F40-44

2918

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8482

Females

2890

F40-44

2890

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2story building
+22ft-21ft

Overall

9476

Females

3265

F40-44

3265

Passing Analysis

Category:
Athletes Passed
2781*
Passed By
1446
Net Change
+1335
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11891
5K10K238356-118#11891#12009
10K15K259205+54#12009#11955
15K20K35384+269#11955#11686
20KHalf927+85#11686#11601
Half25K37641+335#11601#11266
25K30K346237+109#11266#11157
30K20M163120+43#11157#11114
20M21M146142+4#11114#11110
21M35K11748+69#11110#11041
35K23M20669+137#11041#10904
23M24M14150+91#10904#10813
24M40K160*30+130#10813#10683
40K25.2M687+61#10683#10622
25.2MFinish11650+66#10622#10556
TOTALS2781*1446+1335

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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