Xiaochun Hu

Bib: 23517F

IL

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:16
Rank: #23980
Start5K
9:25/mi
29:16 split
10K· 6.21 mi
59:41
Rank: #24469 (-489)
5K10K
9:47/mi
30:25 split
15K· 9.32 mi
1:29:50
Rank: #24411 (+58)
10K15K
9:42/mi
30:09 split
20K· 12.43 mi
2:00:09
Rank: #24222 (+189)
15K20K
9:45/mi
30:19 split
Half· 13.11 mi
2:06:37
Rank: #24182 (+40)
20KHalf
9:29/mi
6:28 split
25K· 15.53 mi
2:30:07
Rank: #23884 (+298)
Half25K
9:42/mi
23:30 split
30K· 18.64 mi
3:01:00
Rank: #23435 (+449)
25K30K
9:56/mi
30:53 split
20M
3:14:38
Rank: #23240 (+195)
30K20M
10:02/mi
13:38 split
21M
3:24:51
Rank: #23027 (+213)
20M21M
10:13/mi
10:13 split
35K· 21.75 mi
3:32:10
Rank: #22961 (+66)
21M35K
9:47/mi
7:19 split
23M
3:44:54
Rank: #22835 (+126)
35K23M
10:10/mi
12:44 split
24M
3:54:43
Rank: #22726 (+109)
23M24M
9:49/mi
9:49 split
40K· 24.85 mi
4:03:07
Rank: #22621 (+105)
24M40K
9:49/mi
8:24 split
25.2M
4:06:41
Rank: #22579 (+42)
40K25.2M
10:21/mi
3:34 split
Finish· 26.22 mi
4:15:49
Rank: #22457 (+122)
25.2MFinish
8:58/mi
9:08 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:37
Pace9:39 /mi
2nd Half
Distance13.11 mi
Time2:09:12
Pace9:51 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:2829:169:2529:16
9:25
-
10K
6.21 mi11:57:5359:419:3630:25
9:47
+0:22
15K
9.32 mi12:28:021:29:509:3830:09
9:42
-0:05
20K
12.43 mi12:58:212:00:099:4030:19
9:45
+0:03
Half
13.11 mi13:04:492:06:379:396:28
9:29
-0:16
25K
15.53 mi13:28:192:30:079:4023:30
9:42
+0:13
30K
18.64 mi13:59:123:01:009:4330:53
9:56
+0:14
20M
20.00 mi14:12:503:14:389:4413:38
10:02
+0:06
21M
21.00 mi14:23:033:24:519:4510:13
10:13
+0:11
35K
21.75 mi14:30:223:32:109:457:19
9:47
-0:26
23M
23.00 mi14:43:063:44:549:4712:44
10:10
+0:23
24M
24.00 mi14:52:553:54:439:479:49
9:49
-0:21
40K
24.85 mi15:01:194:03:079:478:24
9:49
0:00
25.2M
25.20 mi15:04:534:06:419:473:34
10:21
+0:32
Finish
26.22 mi15:14:014:15:499:469:08
8:58
-1:23

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

8:58 /mi

Average Pace

9:46 /mi

Slowest Pace

10:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:04:47

72% of race

Time at Steady Pace

1:11:02

28% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:45 /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 mi11:27:2829:169:2529:16
9:25
#23980
10K
6.21 mi11:57:5359:419:3630:25
9:47
#24469
15K
9.32 mi12:28:021:29:509:3830:09
9:42
#24411
20K
12.43 mi12:58:212:00:099:4030:19
9:45
#24222
Half
13.11 mi13:04:492:06:379:396:28
9:29
#24182
25K
15.53 mi13:28:192:30:079:4023:30
9:42
#23884
30K
18.64 mi13:59:123:01:009:4330:53
9:56
#23435
20M
20.00 mi14:12:503:14:389:4413:38
10:02
#23240
21M
21.00 mi14:23:033:24:519:4510:13
10:13
#23027
35K
21.75 mi14:30:223:32:109:457:19
9:47
#22961
23M
23.00 mi14:43:063:44:549:4712:44
10:10
#22835
24M
24.00 mi14:52:553:54:439:479:49
9:49
#22726
40K
24.85 mi15:01:194:03:079:478:24
9:49
#22621
25.2M
25.20 mi15:04:534:06:419:473:34
10:21
#22579
Finish
26.22 mi15:14:014:15:499:469:08
8:58
#22457
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi239809688968824299(Top 86%)9839(Top 80%)9839(Top 755%)
10K6.21 mi3.10 mi24469-4899931-2439931-24324832(Top 87%)10144(Top 83%)10144(Top 779%)
15K9.32 mi3.11 mi24411+589912+199912+1924299(Top 86%)9839(Top 80%)9839(Top 755%)
20K12.43 mi3.11 mi24222+1899814+989814+9823646(Top 83%)9507(Top 78%)9507(Top 730%)
Half13.11 mi0.68 mi24182+409798+169798+1623523(Top 83%)9437(Top 77%)9437(Top 724%)
25K15.53 mi2.42 mi23884+2989634+1649634+16422483(Top 79%)8924(Top 73%)8924(Top 685%)
30K18.64 mi3.11 mi23435+4499422+2129422+21221427(Top 75%)8469(Top 69%)8469(Top 650%)
20M20.00 mi1.36 mi23240+1959336+869336+8621083(Top 74%)8406(Top 69%)8406(Top 645%)
21M21.00 mi1.00 mi23027+2139240+969240+9619106(Top 67%)7390(Top 60%)7390(Top 567%)
35K21.75 mi0.75 mi22961+669219+219219+2121299(Top 75%)8673(Top 71%)8673(Top 666%)
23M23.00 mi1.25 mi22835+1269174+459174+4521044(Top 74%)8580(Top 70%)8580(Top 658%)
24M24.00 mi1.00 mi22726+1099134+409134+4020797(Top 73%)8505(Top 70%)8505(Top 653%)
40K24.85 mi0.85 mi22621+1059099+359099+3519917(Top 70%)8113(Top 66%)8113(Top 623%)
25.2M25.20 mi0.35 mi22579+429081+189081+1818523(Top 65%)7412(Top 61%)7412(Top 569%)
Finish26.22 mi1.02 mi22457+1229034+479034+4718888(Top 66%)7548(Top 62%)7548(Top 579%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21story building
+97ft-345ft

Overall

24299

Females

9839

F50-54

9839

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

24832

Females

10144

F50-54

10144

10K→15K

6.2 - 9.3 mi

Top 86%
×3story building
+67ft-78ft

Overall

24299

Females

9839

F50-54

9839

15K→20K

9.3 - 12.4 mi

Top 83%
×5story building
+106ft-86ft

Overall

23646

Females

9507

F50-54

9507

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

23523

Females

9437

F50-54

9437

Half→25K

13.1 - 15.5 mi

Top 79%
×4story building
+66ft-88ft

Overall

22483

Females

8924

F50-54

8924

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

21427

Females

8469

F50-54

8469

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

21083

Females

8406

F50-54

8406

20M→21M

20.0 - 21.0 mi

Top 67%
×8story building
+106ft-24ft

Overall

19106

Females

7390

F50-54

7390

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

21299

Females

8673

F50-54

8673

35K→23M

21.8 - 23.0 mi

Top 74%
×5story building
+23ft-63ft

Overall

21044

Females

8580

F50-54

8580

23M→24M

23.0 - 24.0 mi

Top 73%
×6story building
+12ft-82ft

Overall

20797

Females

8505

F50-54

8505

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

19917

Females

8113

F50-54

8113

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

18523

Females

7412

F50-54

7412

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2story building
+22ft-21ft

Overall

18888

Females

7548

F50-54

7548

Passing Analysis

Category:
Athletes Passed
2339
Passed By
816
Net Change
+1523
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23980
5K10K82571-489#23980#24469
10K15K167109+58#24469#24411
15K20K23849+189#24411#24222
20KHalf499+40#24222#24182
Half25K31315+298#24182#23884
25K30K45910+449#23884#23435
30K20M2027+195#23435#23240
20M21M2130+213#23240#23027
21M35K759+66#23027#22961
35K23M13812+126#22961#22835
23M24M1189+109#22835#22726
24M40K1138+105#22726#22621
40K25.2M442+42#22621#22579
25.2MFinish1286+122#22579#22457
TOTALS2339816+1523
📊

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