Nancy Nguyen

Bib: 21845F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 50%
Masters (Masters Women)
#0 / 6759
Top 39%
Division (F45-49)
#0 / 1813
Top 49%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:39
Rank: #16071
Start5K
24:39 | 7:56/mi
10K· 6.21 mi
49:28
Rank: #16196 (-125)
5K10K
24:49 | 7:59/mi
15K· 9.32 mi
1:14:34
Rank: #16338 (-142)
10K15K
25:06 | 8:05/mi
20K· 12.43 mi
1:40:22
Rank: #16507 (-169)
15K20K
25:48 | 8:18/mi
Half· 13.11 mi
1:45:56
Rank: #16544 (-37)
20KHalf
5:34 | 8:10/mi
25K· 15.53 mi
2:06:50
Rank: #16741 (-197)
Half25K
20:54 | 8:37/mi
30K· 18.64 mi
2:35:17
Rank: #17022 (-281)
25K30K
28:27 | 9:09/mi
20M
2:47:53
Rank: #17095 (-73)
30K20M
12:36 | 9:16/mi
21M
2:58:18
Rank: #17297 (-202)
20M21M
10:25 | 10:25/mi
35K· 21.75 mi
3:04:55
Rank: #17296 (+1)
21M35K
6:37 | 8:51/mi
23M
3:16:30
Rank: #17303 (-7)
35K23M
11:35 | 9:15/mi
24M
3:25:22
Rank: #17267 (+36)
23M24M
8:52 | 8:52/mi
40K· 24.85 mi
3:32:49
Rank: #17159 (+108)
24M40K
7:27 | 8:43/mi
25.2M
3:36:12
Rank: #17137 (+22)
40K25.2M
3:23 | 9:49/mi
Finish· 26.22 mi
3:45:05
Rank: #17158 (-21)
25.2MFinish
8:53 | 8:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:56
Pace8:05 /mi
2nd Half
Distance13.11 mi
Time1:59:09
Pace9:05 /mi
📊Positive Split: 12.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:4824:397:5624:39
7:56
-
10K
6.21 mi11:43:3749:287:5824:49
7:59
+0:03
15K
9.32 mi12:08:431:14:348:0025:06
8:05
+0:06
20K
12.43 mi12:34:311:40:228:0525:48
8:18
+0:13
Half
13.11 mi12:40:051:45:568:055:34
8:10
-0:08
25K
15.53 mi13:00:592:06:508:1020:54
8:37
+0:27
30K
18.64 mi13:29:262:35:178:2028:27
9:09
+0:32
20M
20.00 mi13:42:022:47:538:2412:36
9:16
+0:07
21M
21.00 mi13:52:272:58:188:2910:25
10:25
+1:09
35K
21.75 mi13:59:043:04:558:306:37
8:51
-1:34
23M
23.00 mi14:10:393:16:308:3311:35
9:15
+0:24
24M
24.00 mi14:19:313:25:228:338:52
8:52
-0:23
40K
24.85 mi14:26:583:32:498:347:27
8:43
-0:09
25.2M
25.20 mi14:30:213:36:128:353:23
9:49
+1:06
Finish
26.22 mi14:39:143:45:058:358:53
8:43
-1:06

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

7:56 /mi

Average Pace

8:35 /mi

Slowest Pace

10:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:56

47% of race

Time at Steady Pace

52:43

23% of race

Time at Slower Pace

1:06:26

30% of race

Average Pace: 8:35 /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 mi11:18:4824:397:5624:39
7:56
#16071
10K
6.21 mi11:43:3749:287:5824:49
7:59
#16196
15K
9.32 mi12:08:431:14:348:0025:06
8:05
#16338
20K
12.43 mi12:34:311:40:228:0525:48
8:18
#16507
Half
13.11 mi12:40:051:45:568:055:34
8:10
#16544
25K
15.53 mi13:00:592:06:508:1020:54
8:37
#16741
30K
18.64 mi13:29:262:35:178:2028:27
9:09
#17022
20M
20.00 mi13:42:022:47:538:2412:36
9:16
#17095
21M
21.00 mi13:52:272:58:188:2910:25
10:25
#17297
35K
21.75 mi13:59:043:04:558:306:37
8:51
#17296
23M
23.00 mi14:10:393:16:308:3311:35
9:15
#17303
24M
24.00 mi14:19:313:25:228:338:52
8:52
#17267
40K
24.85 mi14:26:583:32:498:347:27
8:43
#17159
25.2M
25.20 mi14:30:213:36:128:353:23
9:49
#17137
Finish
26.22 mi14:39:143:45:058:358:53
8:43
#17158
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi160715192519216618(Top 59%)5511(Top 45%)5511(Top 304%)
10K6.21 mi3.10 mi16196-1255265-735265-7316398(Top 58%)5368(Top 44%)5368(Top 296%)
15K9.32 mi3.11 mi16338-1425336-715336-7116618(Top 59%)5511(Top 45%)5511(Top 304%)
20K12.43 mi3.11 mi16507-1695438-1025438-10216964(Top 60%)5757(Top 47%)5757(Top 318%)
Half13.11 mi0.68 mi16544-375463-255463-2517082(Top 60%)5820(Top 48%)5820(Top 321%)
25K15.53 mi2.42 mi16741-1975607-1445607-14417931(Top 63%)6389(Top 52%)6389(Top 352%)
30K18.64 mi3.11 mi17022-2815830-2235830-22318451(Top 65%)6809(Top 56%)6809(Top 376%)
20M20.00 mi1.36 mi17095-735908-785908-7818168(Top 64%)6808(Top 56%)6808(Top 376%)
21M21.00 mi1.00 mi17297-2026055-1476055-14719758(Top 70%)7767(Top 64%)7767(Top 428%)
35K21.75 mi0.75 mi17296+16077-226077-2217496(Top 62%)6622(Top 54%)6622(Top 365%)
23M23.00 mi1.25 mi17303-76114-376114-3717569(Top 62%)6766(Top 55%)6766(Top 373%)
24M24.00 mi1.00 mi17267+366119-56119-516685(Top 59%)6310(Top 52%)6310(Top 348%)
40K24.85 mi0.85 mi17159+1086077+426077+4214732(Top 52%)5386(Top 44%)5386(Top 297%)
25.2M25.20 mi0.35 mi17137+226076+16076+116207(Top 57%)6192(Top 51%)6192(Top 342%)
Finish26.22 mi1.02 mi17158-216108-326108-3217601(Top 62%)6869(Top 56%)6869(Top 379%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21stories
+97ft-345ft

Overall

16618

Females

5511

F45-49

5511

5K→10K

3.1 - 6.2 mi

Top 58%
×5stories
+79ft-138ft

Overall

16398

Females

5368

F45-49

5368

10K→15K

6.2 - 9.3 mi

Top 59%
×3stories
+67ft-78ft

Overall

16618

Females

5511

F45-49

5511

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

16964

Females

5757

F45-49

5757

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

17082

Females

5820

F45-49

5820

Half→25K

13.1 - 15.5 mi

Top 63%
×4stories
+66ft-88ft

Overall

17931

Females

6389

F45-49

6389

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

18451

Females

6809

F45-49

6809

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

18168

Females

6808

F45-49

6808

20M→21M

20.0 - 21.0 mi

Top 70%
×8stories
+106ft-24ft

Overall

19758

Females

7767

F45-49

7767

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

17496

Females

6622

F45-49

6622

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

17569

Females

6766

F45-49

6766

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

16685

Females

6310

F45-49

6310

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

14732

Females

5386

F45-49

5386

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

16207

Females

6192

F45-49

6192

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

17601

Females

6869

F45-49

6869

Passing Analysis

Category:
Athletes Passed
1483
Passed By
2570
Net Change
-1087
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16071
5K10K251376-125#16071#16196
10K15K155297-142#16196#16338
15K20K159328-169#16338#16507
20KHalf1855-37#16507#16544
Half25K107304-197#16544#16741
25K30K142423-281#16741#17022
30K20M74147-73#17022#17095
20M21M64266-202#17095#17297
21M35K6968+1#17297#17296
35K23M114121-7#17296#17303
23M24M9458+36#17303#17267
24M40K13022+108#17267#17159
40K25.2M4119+22#17159#17137
25.2MFinish6586-21#17137#17158
TOTALS14832570-1087
📊

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