Fei Liu

Bib: 23211F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 45%
Division (F50-54)
#0 / 1303
Top 41%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:13
Rank: #19537
Start5K
26:13 | 8:26/mi
10K· 6.21 mi
51:34
Rank: #18606 (+931)
5K10K
25:21 | 8:10/mi
15K· 9.32 mi
1:17:43
Rank: #18634 (-28)
10K15K
26:09 | 8:25/mi
20K· 12.43 mi
1:44:34
Rank: #18743 (-109)
15K20K
26:51 | 8:39/mi
Half· 13.11 mi
1:50:28
Rank: #18824 (-81)
20KHalf
5:54 | 8:39/mi
25K· 15.53 mi
2:12:12
Rank: #18960 (-136)
Half25K
21:44 | 8:58/mi
30K· 18.64 mi
2:41:01
Rank: #18968 (-8)
25K30K
28:49 | 9:17/mi
20M
2:53:33
Rank: #18893 (+75)
30K20M
12:32 | 9:13/mi
21M
3:03:33
Rank: #18847 (+46)
20M21M
10:00 | 10:00/mi
35K· 21.75 mi
3:09:56
Rank: #18723 (+124)
21M35K
6:23 | 8:32/mi
23M
3:20:50
Rank: #18465 (+258)
35K23M
10:54 | 8:42/mi
24M
3:29:35
Rank: #18344 (+121)
23M24M
8:45 | 8:45/mi
40K· 24.85 mi
3:37:01
Rank: #18195 (+149)
24M40K
7:26 | 8:42/mi
25.2M
3:40:16
Rank: #18141 (+54)
40K25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:49:07
Rank: #18113 (+28)
25.2MFinish
8:51 | 8:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:28
Pace8:26 /mi
2nd Half
Distance13.11 mi
Time1:58:39
Pace9:03 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:2226:138:2626:13
8:26
-
10K
6.21 mi11:49:4351:348:1825:21
8:10
-0:16
15K
9.32 mi12:15:521:17:438:2026:09
8:25
+0:15
20K
12.43 mi12:42:431:44:348:2526:51
8:39
+0:14
Half
13.11 mi12:48:371:50:288:265:54
8:39
0:00
25K
15.53 mi13:10:212:12:128:3121:44
8:58
+0:19
30K
18.64 mi13:39:102:41:018:3828:49
9:17
+0:19
20M
20.00 mi13:51:422:53:338:4112:32
9:13
-0:04
21M
21.00 mi14:01:423:03:338:4410:00
10:00
+0:47
35K
21.75 mi14:08:053:09:568:446:23
8:32
-1:28
23M
23.00 mi14:18:593:20:508:4410:54
8:42
+0:10
24M
24.00 mi14:27:443:29:358:448:45
8:45
+0:03
40K
24.85 mi14:35:103:37:018:447:26
8:42
-0:03
25.2M
25.20 mi14:38:253:40:168:443:15
9:25
+0:43
Finish
26.22 mi14:47:163:49:078:458:51
8:41
-0:44

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

8:10 /mi

Average Pace

8:45 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:17:43

34% of race

Time at Steady Pace

1:15:04

33% of race

Time at Slower Pace

1:16:20

33% of race

Average Pace: 8:44 /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 mi11:24:2226:138:2626:13
8:26
#19537
10K
6.21 mi11:49:4351:348:1825:21
8:10
#18606
15K
9.32 mi12:15:521:17:438:2026:09
8:25
#18634
20K
12.43 mi12:42:431:44:348:2526:51
8:39
#18743
Half
13.11 mi12:48:371:50:288:265:54
8:39
#18824
25K
15.53 mi13:10:212:12:128:3121:44
8:58
#18960
30K
18.64 mi13:39:102:41:018:3828:49
9:17
#18968
20M
20.00 mi13:51:422:53:338:4112:32
9:13
#18893
21M
21.00 mi14:01:423:03:338:4410:00
10:00
#18847
35K
21.75 mi14:08:053:09:568:446:23
8:32
#18723
23M
23.00 mi14:18:593:20:508:4410:54
8:42
#18465
24M
24.00 mi14:27:443:29:358:448:45
8:45
#18344
40K
24.85 mi14:35:103:37:018:447:26
8:42
#18195
25.2M
25.20 mi14:38:253:40:168:443:15
9:25
#18141
Finish
26.22 mi14:47:163:49:078:458:51
8:41
#18113
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi195377220722018818(Top 66%)6790(Top 56%)6790(Top 521%)
10K6.21 mi3.10 mi18606+9316679+5416679+54117630(Top 62%)6078(Top 50%)6078(Top 466%)
15K9.32 mi3.11 mi18634-286698-196698-1918818(Top 66%)6790(Top 56%)6790(Top 521%)
20K12.43 mi3.11 mi18743-1096756-586756-5819098(Top 67%)6967(Top 57%)6967(Top 535%)
Half13.11 mi0.68 mi18824-816808-526808-5220067(Top 71%)7507(Top 61%)7507(Top 576%)
25K15.53 mi2.42 mi18960-1366894-866894-8619746(Top 70%)7388(Top 60%)7388(Top 567%)
30K18.64 mi3.11 mi18968-86929-356929-3518997(Top 67%)7119(Top 58%)7119(Top 546%)
20M20.00 mi1.36 mi18893+756913+166913+1617909(Top 63%)6658(Top 54%)6658(Top 511%)
21M21.00 mi1.00 mi18847+466915-26915-218299(Top 64%)6946(Top 57%)6946(Top 533%)
35K21.75 mi0.75 mi18723+1246863+526863+5215721(Top 55%)5639(Top 46%)5639(Top 433%)
23M23.00 mi1.25 mi18465+2586742+1216742+12114621(Top 51%)5141(Top 42%)5141(Top 395%)
24M24.00 mi1.00 mi18344+1216707+356707+3516063(Top 57%)5972(Top 49%)5972(Top 458%)
40K24.85 mi0.85 mi18195+1496653+546653+5414637(Top 52%)5336(Top 44%)5336(Top 410%)
25.2M25.20 mi0.35 mi18141+546634+196634+1914280(Top 50%)5200(Top 43%)5200(Top 399%)
Finish26.22 mi1.02 mi18113+286630+46630+417416(Top 61%)6772(Top 55%)6772(Top 520%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21stories
+97ft-345ft

Overall

18818

Females

6790

F50-54

6790

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

17630

Females

6078

F50-54

6078

10K→15K

6.2 - 9.3 mi

Top 66%
×3stories
+67ft-78ft

Overall

18818

Females

6790

F50-54

6790

15K→20K

9.3 - 12.4 mi

Top 67%
×5stories
+106ft-86ft

Overall

19098

Females

6967

F50-54

6967

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

20067

Females

7507

F50-54

7507

Half→25K

13.1 - 15.5 mi

Top 70%
×4stories
+66ft-88ft

Overall

19746

Females

7388

F50-54

7388

25K→30K

15.5 - 18.6 mi

Top 67%
×9stories
+181ft-148ft

Overall

18997

Females

7119

F50-54

7119

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

17909

Females

6658

F50-54

6658

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

18299

Females

6946

F50-54

6946

21M→35K

21.0 - 21.8 mi

Top 55%
×7stories
+17ft-86ft

Overall

15721

Females

5639

F50-54

5639

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

14621

Females

5141

F50-54

5141

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

16063

Females

5972

F50-54

5972

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

14637

Females

5336

F50-54

5336

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

14280

Females

5200

F50-54

5200

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

17416

Females

6772

F50-54

6772

Passing Analysis

Category:
Athletes Passed
2788
Passed By
1364
Net Change
+1424
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19537
5K10K97342+931#19537#18606
10K15K182210-28#18606#18634
15K20K153262-109#18634#18743
20KHalf1697-81#18743#18824
Half25K134270-136#18824#18960
25K30K228236-8#18960#18968
30K20M14873+75#18968#18893
20M21M12983+46#18893#18847
21M35K1262+124#18847#18723
35K23M2613+258#18723#18465
23M24M14322+121#18465#18344
24M40K15910+149#18344#18195
40K25.2M617+54#18195#18141
25.2MFinish7547+28#18141#18113
TOTALS27881364+1424
📊

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