Emily Niu

Bib: 11647F

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 25%
Gender (Female)
#0 / 10924
Top 9%
Division (F18-39)
#0 / 4660
Top 18%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:23
Rank: #11003
Start5K
7:32/mi
23:23 split
10K· 6.21 mi
46:20
Rank: #10115 (+888)
5K10K
7:23/mi
22:57 split
15K· 9.32 mi
1:09:47
Rank: #10069 (+46)
10K15K
7:33/mi
23:27 split
20K· 12.43 mi
1:33:18
Rank: #9683 (+386)
15K20K
7:34/mi
23:31 split
Half· 13.11 mi
1:38:30
Rank: #9692 (-9)
20KHalf
7:37/mi
5:12 split
25K· 15.53 mi
1:56:48
Rank: #9225 (+467)
Half25K
7:33/mi
18:18 split
30K· 18.64 mi
2:23:55
Rank: #9697 (-472)
25K30K
8:44/mi
27:07 split
20M
2:33:42
Rank: #8999 (+698)
30K20M
7:12/mi
9:47 split
21M
2:41:21
Rank: #8481 (+518)
20M21M
7:39/mi
7:39 split
35K· 21.75 mi
2:46:22
Rank: #8096 (+385)
21M35K
6:42/mi
5:01 split
23M
2:55:12
Rank: #7494 (+602)
35K23M
7:03/mi
8:50 split
24M
3:02:00
Rank: #7064 (+430)
23M24M
6:48/mi
6:48 split
40K· 24.85 mi
3:07:57
Rank: #6683 (+381)
24M40K
6:58/mi
5:57 split
25.2M
3:10:37
Rank: #6540 (+143)
40K25.2M
7:44/mi
2:40 split
Finish· 26.22 mi
3:17:28
Rank: #6260 (+280)
25.2MFinish
6:43/mi
6:51 split

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:38:30
Pace7:31 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:38:58
Pace7:33 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:0923:237:3223:23
7:32
-
10K
6.21 mi11:18:0646:207:2722:57
7:23
-0:09
15K
9.32 mi11:41:331:09:477:2923:27
7:33
+0:10
20K
12.43 mi12:05:041:33:187:3023:31
7:34
+0:01
Half
13.11 mi12:10:161:38:307:315:12
7:37
+0:03
25K
15.53 mi12:28:341:56:487:3118:18
7:33
-0:04
30K
18.64 mi12:55:412:23:557:4327:07
8:44
+1:11
20M
20.00 mi13:05:282:33:427:419:47
7:12
-1:32
21M
21.00 mi13:13:072:41:217:417:39
7:39
+0:27
35K
21.75 mi13:18:082:46:227:395:01
6:42
-0:57
23M
23.00 mi13:26:582:55:127:378:50
7:03
+0:21
24M
24.00 mi13:33:463:02:007:356:48
6:48
-0:15
40K
24.85 mi13:39:433:07:577:345:57
6:58
+0:10
25.2M
25.20 mi13:42:233:10:377:342:40
7:44
+0:46
Finish
26.22 mi13:49:143:17:287:326:51
6:43
-1:01

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

6:42 /mi

Average Pace

7:32 /mi

Slowest Pace

8:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

43:14

22% of race

Time at Steady Pace

2:07:07

64% of race

Time at Slower Pace

27:07

14% of race

Average Pace: 7:32 /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 mi10:55:0923:237:3223:23
7:32
#11003
10K
6.21 mi11:18:0646:207:2722:57
7:23
#10115
15K
9.32 mi11:41:331:09:477:2923:27
7:33
#10069
20K
12.43 mi12:05:041:33:187:3023:31
7:34
#9683
Half
13.11 mi12:10:161:38:307:315:12
7:37
#9692
25K
15.53 mi12:28:341:56:487:3118:18
7:33
#9225
30K
18.64 mi12:55:412:23:557:4327:07
8:44
#9697
20M
20.00 mi13:05:282:33:427:419:47
7:12
#8999
21M
21.00 mi13:13:072:41:217:417:39
7:39
#8481
35K
21.75 mi13:18:082:46:227:395:01
6:42
#8096
23M
23.00 mi13:26:582:55:127:378:50
7:03
#7494
24M
24.00 mi13:33:463:02:007:356:48
6:48
#7064
40K
24.85 mi13:39:433:07:577:345:57
6:58
#6683
25.2M
25.20 mi13:42:233:10:377:342:40
7:44
#6540
Finish
26.22 mi13:49:143:17:287:326:51
6:43
#6260
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi110032572257210045(Top 39%)2201(Top 20%)2201(Top 47%)
10K6.21 mi3.10 mi10115+8882112+4602112+4609353(Top 37%)1816(Top 17%)1816(Top 39%)
15K9.32 mi3.11 mi10069+462129-172129-1710045(Top 39%)2201(Top 20%)2201(Top 47%)
20K12.43 mi3.11 mi9683+3861985+1441985+1448900(Top 35%)1766(Top 16%)1766(Top 38%)
Half13.11 mi0.68 mi9692-91998-131998-1310107(Top 40%)2378(Top 22%)2378(Top 51%)
25K15.53 mi2.42 mi9225+4671812+1861812+1867307(Top 29%)1290(Top 12%)1290(Top 28%)
30K18.64 mi3.11 mi9697-4722158-3462158-34611857(Top 46%)3662(Top 34%)3662(Top 79%)
20M20.00 mi1.36 mi8999+6981872+2861872+2863172(Top 12%)282(Top 3%)282(Top 6%)
21M21.00 mi1.00 mi8481+5181696+1761696+1763014(Top 12%)300(Top 3%)300(Top 6%)
35K21.75 mi0.75 mi8096+3851560+1361560+1361950(Top 8%)147(Top 1%)147(Top 3%)
23M23.00 mi1.25 mi7494+6021355+2051355+2052149(Top 8%)195(Top 2%)195(Top 4%)
24M24.00 mi1.00 mi7064+4301229+1261229+1261709(Top 7%)142(Top 1%)142(Top 3%)
40K24.85 mi0.85 mi6683+3811134+951134+951759(Top 7%)163(Top 1%)163(Top 3%)
25.2M25.20 mi0.35 mi6540+1431093+411093+412054(Top 8%)246(Top 2%)246(Top 5%)
Finish26.22 mi1.02 mi6260+2801029+641029+642096(Top 8%)266(Top 2%)266(Top 6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

10045

Females

2201

F18-39

2201

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

9353

Females

1816

F18-39

1816

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

10045

Females

2201

F18-39

2201

15K→20K

9.3 - 12.4 mi

Top 35%
×5story building
+106ft-86ft

Overall

8900

Females

1766

F18-39

1766

20K→Half

12.4 - 13.1 mi

Top 40%
×2story building
+19ft-37ft

Overall

10107

Females

2378

F18-39

2378

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

7307

Females

1290

F18-39

1290

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

11857

Females

3662

F18-39

3662

30K→20M

18.6 - 20.0 mi

Top 12%
×5story building
+64ft-50ft

Overall

3172

Females

282

F18-39

282

20M→21M

20.0 - 21.0 mi

Top 12%
×8story building
+106ft-24ft

Overall

3014

Females

300

F18-39

300

21M→35K

21.0 - 21.8 mi

Top 8%
×7story building
+17ft-86ft

Overall

1950

Females

147

F18-39

147

35K→23M

21.8 - 23.0 mi

Top 8%
×5story building
+23ft-63ft

Overall

2149

Females

195

F18-39

195

23M→24M

23.0 - 24.0 mi

Top 7%
×6story building
+12ft-82ft

Overall

1709

Females

142

F18-39

142

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1759

Females

163

F18-39

163

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2054

Females

246

F18-39

246

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2story building
+22ft-21ft

Overall

2096

Females

266

F18-39

266

Passing Analysis

Category:
Athletes Passed
5669*
Passed By
925
Net Change
+4743
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11003
5K10K917*29+888#11003#10115
10K15K235*189+46#10115#10069
15K20K436*50+386#10069#9683
20KHalf3039-9#9683#9692
Half25K47710+467#9692#9225
25K30K136607-472#9225#9697
30K20M6980+698#9697#8999
20M21M5180+518#8999#8481
21M35K3850+385#8481#8096
35K23M6031+602#8096#7494
23M24M4300+430#7494#7064
24M40K3810+381#7064#6683
40K25.2M1430+143#6683#6540
25.2MFinish2800+280#6540#6260
TOTALS5669*925+4743

* 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