Mengru Li

Bib: 12204F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 38%
Gender (Female)
#0 / 11423
Top 19%
Division (F18-39)
#0 / 4884
Top 33%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:47
Rank: #11070
Start5K
7:39/mi
23:47 split
10K· 6.21 mi
47:17
Rank: #11001 (+69)
5K10K
7:34/mi
23:30 split
15K· 9.32 mi
1:11:04
Rank: #11148 (-147)
10K15K
7:39/mi
23:47 split
20K· 12.43 mi
1:35:15
Rank: #11226 (-78)
15K20K
7:47/mi
24:11 split
Half· 13.11 mi
1:40:30
Rank: #11240 (-14)
20KHalf
7:42/mi
5:15 split
25K· 15.53 mi
1:59:23
Rank: #11180 (+60)
Half25K
7:47/mi
18:53 split
30K· 18.64 mi
2:24:02
Rank: #10976 (+204)
25K30K
7:56/mi
24:39 split
20M
2:34:48
Rank: #10845 (+131)
30K20M
7:55/mi
10:46 split
21M
2:43:05
Rank: #10746 (+99)
20M21M
8:17/mi
8:17 split
35K· 21.75 mi
2:48:52
Rank: #10695 (+51)
21M35K
7:44/mi
5:47 split
23M
2:58:36
Rank: #10528 (+167)
35K23M
7:46/mi
9:44 split
24M
3:06:12
Rank: #10412 (+116)
23M24M
7:36/mi
7:36 split
40K· 24.85 mi
3:12:45
Rank: #10277 (+135)
24M40K
7:40/mi
6:33 split
25.2M
3:15:34
Rank: #10209 (+68)
40K25.2M
8:10/mi
2:49 split
Finish· 26.22 mi
3:23:04
Rank: #10068 (+141)
25.2MFinish
7:22/mi
7:30 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:30
Pace7:40 /mi
2nd Half
Distance13.11 mi
Time1:42:34
Pace7:49 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2323:477:3923:47
7:39
-
10K
6.21 mi11:14:5347:177:3723:30
7:34
-0:05
15K
9.32 mi11:38:401:11:047:3723:47
7:39
+0:05
20K
12.43 mi12:02:511:35:157:4024:11
7:47
+0:08
Half
13.11 mi12:08:061:40:307:405:15
7:42
-0:05
25K
15.53 mi12:26:591:59:237:4118:53
7:47
+0:05
30K
18.64 mi12:51:382:24:027:4424:39
7:56
+0:09
20M
20.00 mi13:02:242:34:487:4410:46
7:55
-0:01
21M
21.00 mi13:10:412:43:057:468:17
8:17
+0:22
35K
21.75 mi13:16:282:48:527:465:47
7:44
-0:33
23M
23.00 mi13:26:122:58:367:469:44
7:46
+0:02
24M
24.00 mi13:33:483:06:127:467:36
7:36
-0:10
40K
24.85 mi13:40:213:12:457:456:33
7:40
+0:04
25.2M
25.20 mi13:43:103:15:347:462:49
8:10
+0:30
Finish
26.22 mi13:50:403:23:047:457:30
7:22
-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

7:22 /mi

Average Pace

7:45 /mi

Slowest Pace

8:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:11:58

95% of race

Time at Steady Pace

11:06

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:45 /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 mi10:51:2323:477:3923:47
7:39
#11070
10K
6.21 mi11:14:5347:177:3723:30
7:34
#11001
15K
9.32 mi11:38:401:11:047:3723:47
7:39
#11148
20K
12.43 mi12:02:511:35:157:4024:11
7:47
#11226
Half
13.11 mi12:08:061:40:307:405:15
7:42
#11240
25K
15.53 mi12:26:591:59:237:4118:53
7:47
#11180
30K
18.64 mi12:51:382:24:027:4424:39
7:56
#10976
20M
20.00 mi13:02:242:34:487:4410:46
7:55
#10845
21M
21.00 mi13:10:412:43:057:468:17
8:17
#10746
35K
21.75 mi13:16:282:48:527:465:47
7:44
#10695
23M
23.00 mi13:26:122:58:367:469:44
7:46
#10528
24M
24.00 mi13:33:483:06:127:467:36
7:36
#10412
40K
24.85 mi13:40:213:12:457:456:33
7:40
#10277
25.2M
25.20 mi13:43:103:15:347:462:49
8:10
#10209
Finish
26.22 mi13:50:403:23:047:457:30
7:22
#10068
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi110702366236611471(Top 43%)2610(Top 23%)2610(Top 53%)
10K6.21 mi3.10 mi11001+692325+412325+4111009(Top 41%)2313(Top 20%)2313(Top 47%)
15K9.32 mi3.11 mi11148-1472414-892414-8911471(Top 43%)2610(Top 23%)2610(Top 53%)
20K12.43 mi3.11 mi11226-782457-432457-4311608(Top 44%)2738(Top 24%)2738(Top 56%)
Half13.11 mi0.68 mi11240-142465-82465-811863(Top 45%)2815(Top 25%)2815(Top 58%)
25K15.53 mi2.42 mi11180+602456+92456+911011(Top 41%)2488(Top 22%)2488(Top 51%)
30K18.64 mi3.11 mi10976+2042390+662390+6610401(Top 39%)2349(Top 21%)2349(Top 48%)
20M20.00 mi1.36 mi10845+1312354+362354+369740(Top 37%)2126(Top 19%)2126(Top 44%)
21M21.00 mi1.00 mi10746+992323+312323+319163(Top 34%)1995(Top 17%)1995(Top 41%)
35K21.75 mi0.75 mi10695+512322+12322+110175(Top 38%)2444(Top 21%)2444(Top 50%)
23M23.00 mi1.25 mi10528+1672262+602262+608269(Top 31%)1707(Top 15%)1707(Top 35%)
24M24.00 mi1.00 mi10412+1162233+292233+298438(Top 32%)1857(Top 16%)1857(Top 38%)
40K24.85 mi0.85 mi10277+1352188+452188+457759(Top 29%)1666(Top 15%)1666(Top 34%)
25.2M25.20 mi0.35 mi10209+682164+242164+247592(Top 29%)1662(Top 15%)1662(Top 34%)
Finish26.22 mi1.02 mi10068+1412127+372127+377539(Top 28%)1644(Top 14%)1644(Top 34%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

11471

Females

2610

F18-39

2610

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

11009

Females

2313

F18-39

2313

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

11471

Females

2610

F18-39

2610

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

11608

Females

2738

F18-39

2738

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

11863

Females

2815

F18-39

2815

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

11011

Females

2488

F18-39

2488

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

10401

Females

2349

F18-39

2349

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

9740

Females

2126

F18-39

2126

20M→21M

20.0 - 21.0 mi

Top 34%
×8story building
+106ft-24ft

Overall

9163

Females

1995

F18-39

1995

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

10175

Females

2444

F18-39

2444

35K→23M

21.8 - 23.0 mi

Top 31%
×5story building
+23ft-63ft

Overall

8269

Females

1707

F18-39

1707

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

8438

Females

1857

F18-39

1857

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

7759

Females

1666

F18-39

1666

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7592

Females

1662

F18-39

1662

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

7539

Females

1644

F18-39

1644

Passing Analysis

Category:
Athletes Passed
2101*
Passed By
1099
Net Change
+1002
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11070
5K10K334265+69#11070#11001
10K15K129276-147#11001#11148
15K20K135213-78#11148#11226
20KHalf1832-14#11226#11240
Half25K15393+60#11240#11180
25K30K27268+204#11180#10976
30K20M163*32+131#10976#10845
20M21M12526+99#10845#10746
21M35K7827+51#10746#10695
35K23M18013+167#10695#10528
23M24M13620+116#10528#10412
24M40K14712+135#10412#10277
40K25.2M75*7+68#10277#10209
25.2MFinish15615+141#10209#10068
TOTALS2101*1099+1002

* 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