Nian Zhao

Bib: 12706F

NJ

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 27%
Gender (Female)
#0 / 12228
Top 10%
Division (F18-39)
#0 / 5469
Top 19%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:55
Rank: #11114
Start5K
7:23/mi
22:55 split
10K· 6.21 mi
45:32
Rank: #10572 (+542)
5K10K
7:17/mi
22:37 split
15K· 9.32 mi
1:07:54
Rank: #10087 (+485)
10K15K
7:12/mi
22:22 split
20K· 12.43 mi
1:30:25
Rank: #9648 (+439)
15K20K
7:15/mi
22:31 split
Half· 13.11 mi
1:35:16
Rank: #9569 (+79)
20KHalf
7:07/mi
4:51 split
25K· 15.53 mi
1:52:52
Rank: #9274 (+295)
Half25K
7:16/mi
17:36 split
30K· 18.64 mi
2:16:16
Rank: #8932 (+342)
25K30K
7:32/mi
23:24 split
20M
2:26:26
Rank: #8718 (+214)
30K20M
7:29/mi
10:10 split
21M
2:34:08
Rank: #8458 (+260)
20M21M
7:42/mi
7:42 split
35K· 21.75 mi
2:39:29
Rank: #8339 (+119)
21M35K
7:09/mi
5:21 split
23M
2:48:43
Rank: #8108 (+231)
35K23M
7:22/mi
9:14 split
24M
2:55:58
Rank: #7968 (+140)
23M24M
7:15/mi
7:15 split
40K· 24.85 mi
3:02:20
Rank: #7863 (+105)
24M40K
7:27/mi
6:22 split
25.2M
3:05:13
Rank: #7839 (+24)
40K25.2M
8:22/mi
2:53 split
Finish· 26.22 mi
3:12:34
Rank: #7765 (+74)
25.2MFinish
7:13/mi
7:21 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:16
Pace7:16 /mi
2nd Half
Distance13.11 mi
Time1:37:18
Pace7:25 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:5822:557:2322:55
7:23
-
10K
6.21 mi11:13:3545:327:2022:37
7:17
-0:06
15K
9.32 mi11:35:571:07:547:1722:22
7:12
-0:05
20K
12.43 mi11:58:281:30:257:1722:31
7:15
+0:03
Half
13.11 mi12:03:191:35:167:164:51
7:07
-0:08
25K
15.53 mi12:20:551:52:527:1617:36
7:16
+0:09
30K
18.64 mi12:44:192:16:167:1923:24
7:32
+0:16
20M
20.00 mi12:54:292:26:267:1910:10
7:29
-0:03
21M
21.00 mi13:02:112:34:087:207:42
7:42
+0:13
35K
21.75 mi13:07:322:39:297:205:21
7:09
-0:33
23M
23.00 mi13:16:462:48:437:209:14
7:22
+0:13
24M
24.00 mi13:24:012:55:587:207:15
7:15
-0:07
40K
24.85 mi13:30:233:02:207:206:22
7:27
+0:12
25.2M
25.20 mi13:33:163:05:137:212:53
8:22
+0:55
Finish
26.22 mi13:40:373:12:347:217:21
7:13
-1:09

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

7:07 /mi

Average Pace

7:21 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:09:41

99% of race

Time at Steady Pace

2:53

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:21 /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 mi10:50:5822:557:2322:55
7:23
#11114
10K
6.21 mi11:13:3545:327:2022:37
7:17
#10572
15K
9.32 mi11:35:571:07:547:1722:22
7:12
#10087
20K
12.43 mi11:58:281:30:257:1722:31
7:15
#9648
Half
13.11 mi12:03:191:35:167:164:51
7:07
#9569
25K
15.53 mi12:20:551:52:527:1617:36
7:16
#9274
30K
18.64 mi12:44:192:16:167:1923:24
7:32
#8932
20M
20.00 mi12:54:292:26:267:1910:10
7:29
#8718
21M
21.00 mi13:02:112:34:087:207:42
7:42
#8458
35K
21.75 mi13:07:322:39:297:205:21
7:09
#8339
23M
23.00 mi13:16:462:48:437:209:14
7:22
#8108
24M
24.00 mi13:24:012:55:587:207:15
7:15
#7968
40K
24.85 mi13:30:233:02:207:206:22
7:27
#7863
25.2M
25.20 mi13:33:163:05:137:212:53
8:22
#7839
Finish
26.22 mi13:40:373:12:347:217:21
7:13
#7765
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi11114233323339124(Top 32%)1477(Top 12%)1477(Top 27%)
10K6.21 mi3.10 mi10572+5422087+2462087+24610189(Top 36%)1901(Top 16%)1901(Top 35%)
15K9.32 mi3.11 mi10087+4851877+2101877+2109124(Top 32%)1477(Top 12%)1477(Top 27%)
20K12.43 mi3.11 mi9648+4391709+1681709+1688612(Top 30%)1356(Top 11%)1356(Top 25%)
Half13.11 mi0.68 mi9569+791680+291680+298409(Top 30%)1247(Top 10%)1247(Top 23%)
25K15.53 mi2.42 mi9274+2951572+1081572+1088071(Top 28%)1240(Top 10%)1240(Top 23%)
30K18.64 mi3.11 mi8932+3421484+881484+887980(Top 28%)1382(Top 11%)1382(Top 25%)
20M20.00 mi1.36 mi8718+2141428+561428+566905(Top 24%)1116(Top 9%)1116(Top 20%)
21M21.00 mi1.00 mi8458+2601350+781350+785674(Top 20%)816(Top 7%)816(Top 15%)
35K21.75 mi0.75 mi8339+1191323+271323+276342(Top 22%)1050(Top 9%)1050(Top 19%)
23M23.00 mi1.25 mi8108+2311285+381285+385924(Top 21%)996(Top 8%)996(Top 18%)
24M24.00 mi1.00 mi7968+1401267+181267+186151(Top 22%)1127(Top 9%)1127(Top 21%)
40K24.85 mi0.85 mi7863+1051253+141253+146509(Top 23%)1337(Top 11%)1337(Top 24%)
25.2M25.20 mi0.35 mi7839+241261-81261-87996(Top 28%)2054(Top 17%)2054(Top 38%)
Finish26.22 mi1.02 mi7765+741263-21263-27142(Top 25%)1701(Top 14%)1701(Top 31%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

9124

Females

1477

F18-39

1477

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

10189

Females

1901

F18-39

1901

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

9124

Females

1477

F18-39

1477

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

8612

Females

1356

F18-39

1356

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8409

Females

1247

F18-39

1247

Half→25K

13.1 - 15.5 mi

Top 28%
×4story building
+66ft-88ft

Overall

8071

Females

1240

F18-39

1240

25K→30K

15.5 - 18.6 mi

Top 28%
×9story building
+181ft-148ft

Overall

7980

Females

1382

F18-39

1382

30K→20M

18.6 - 20.0 mi

Top 24%
×5story building
+64ft-50ft

Overall

6905

Females

1116

F18-39

1116

20M→21M

20.0 - 21.0 mi

Top 20%
×8story building
+106ft-24ft

Overall

5674

Females

816

F18-39

816

21M→35K

21.0 - 21.8 mi

Top 22%
×7story building
+17ft-86ft

Overall

6342

Females

1050

F18-39

1050

35K→23M

21.8 - 23.0 mi

Top 21%
×5story building
+23ft-63ft

Overall

5924

Females

996

F18-39

996

23M→24M

23.0 - 24.0 mi

Top 22%
×6story building
+12ft-82ft

Overall

6151

Females

1127

F18-39

1127

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6509

Females

1337

F18-39

1337

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7996

Females

2054

F18-39

2054

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2story building
+22ft-21ft

Overall

7142

Females

1701

F18-39

1701

Passing Analysis

Category:
Athletes Passed
3681*
Passed By
332
Net Change
+3349
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11114
5K10K62179+542#11114#10572
10K15K49914+485#10572#10087
15K20K456*17+439#10087#9648
20KHalf889+79#9648#9569
Half25K31621+295#9569#9274
25K30K40664+342#9274#8932
30K20M22612+214#8932#8718
20M21M27111+260#8718#8458
21M35K1278+119#8458#8339
35K23M24615+231#8339#8108
23M24M15010+140#8108#7968
24M40K12318+105#7968#7863
40K25.2M4925+24#7863#7839
25.2MFinish10329+74#7839#7765
TOTALS3681*332+3349

* 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