Stephanie Choi

Bib: 10362F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:48
Rank: #16467
Start5K
7:59/mi
24:48 split
10K· 6.21 mi
50:24
Rank: #17340 (-873)
5K10K
8:14/mi
25:36 split
15K· 9.32 mi
1:16:15
Rank: #17641 (-301)
10K15K
8:19/mi
25:51 split
20K· 12.43 mi
1:41:52
Rank: #17323 (+318)
15K20K
8:15/mi
25:37 split
Half· 13.11 mi
1:47:24
Rank: #17280 (+43)
20KHalf
8:07/mi
5:32 split
25K· 15.53 mi
2:08:16
Rank: #17327 (-47)
Half25K
8:36/mi
20:52 split
30K· 18.64 mi
2:36:50
Rank: #17559 (-232)
25K30K
9:12/mi
28:34 split
20M
2:49:53
Rank: #17745 (-186)
30K20M
9:36/mi
13:03 split
21M
2:59:50
Rank: #17779 (-34)
20M21M
9:57/mi
9:57 split
35K· 21.75 mi
3:06:33
Rank: #17784 (-5)
21M35K
8:59/mi
6:43 split
23M
3:18:06
Rank: #17742 (+42)
35K23M
9:13/mi
11:33 split
24M
3:26:48
Rank: #17636 (+106)
23M24M
8:42/mi
8:42 split
40K· 24.85 mi
3:34:32
Rank: #17584 (+52)
24M40K
9:03/mi
7:44 split
25.2M
3:37:46
Rank: #17523 (+61)
40K25.2M
9:23/mi
3:14 split
Finish· 26.22 mi
3:46:00
Rank: #17385 (+138)
25.2MFinish
8:05/mi
8:14 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:24
Pace8:12 /mi
2nd Half
Distance13.11 mi
Time1:58:36
Pace9:03 /mi
📊Positive Split: 10.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:2424:487:5924:48
7:59
-
10K
6.21 mi11:18:0050:248:0725:36
8:14
+0:15
15K
9.32 mi11:43:511:16:158:1125:51
8:19
+0:05
20K
12.43 mi12:09:281:41:528:1225:37
8:15
-0:04
Half
13.11 mi12:15:001:47:248:125:32
8:07
-0:08
25K
15.53 mi12:35:522:08:168:1520:52
8:36
+0:29
30K
18.64 mi13:04:262:36:508:2528:34
9:12
+0:36
20M
20.00 mi13:17:292:49:538:3013:03
9:36
+0:24
21M
21.00 mi13:27:262:59:508:349:57
9:57
+0:21
35K
21.75 mi13:34:093:06:338:356:43
8:59
-0:58
23M
23.00 mi13:45:423:18:068:3711:33
9:13
+0:14
24M
24.00 mi13:54:243:26:488:378:42
8:42
-0:31
40K
24.85 mi14:02:083:34:328:387:44
9:03
+0:21
25.2M
25.20 mi14:05:223:37:468:383:14
9:23
+0:20
Finish
26.22 mi14:13:363:46:008:388:14
8:05
-1:18

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

7:59 /mi

Average Pace

8:38 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:38

51% of race

Time at Steady Pace

36:17

16% of race

Time at Slower Pace

1:14:05

33% of race

Average Pace: 8:37 /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 mi10:52:2424:487:5924:48
7:59
#16467
10K
6.21 mi11:18:0050:248:0725:36
8:14
#17340
15K
9.32 mi11:43:511:16:158:1125:51
8:19
#17641
20K
12.43 mi12:09:281:41:528:1225:37
8:15
#17323
Half
13.11 mi12:15:001:47:248:125:32
8:07
#17280
25K
15.53 mi12:35:522:08:168:1520:52
8:36
#17327
30K
18.64 mi13:04:262:36:508:2528:34
9:12
#17559
20M
20.00 mi13:17:292:49:538:3013:03
9:36
#17745
21M
21.00 mi13:27:262:59:508:349:57
9:57
#17779
35K
21.75 mi13:34:093:06:338:356:43
8:59
#17784
23M
23.00 mi13:45:423:18:068:3711:33
9:13
#17742
24M
24.00 mi13:54:243:26:488:378:42
8:42
#17636
40K
24.85 mi14:02:083:34:328:387:44
9:03
#17584
25.2M
25.20 mi14:05:223:37:468:383:14
9:23
#17523
Finish
26.22 mi14:13:363:46:008:388:14
8:05
#17385
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi164675431543118195(Top 64%)6435(Top 53%)6435(Top 118%)
10K6.21 mi3.10 mi17340-8735935-5045935-50418176(Top 64%)6405(Top 52%)6405(Top 117%)
15K9.32 mi3.11 mi17641-3016106-1716106-17118195(Top 64%)6435(Top 53%)6435(Top 118%)
20K12.43 mi3.11 mi17323+3185928+1785928+17816609(Top 58%)5554(Top 45%)5554(Top 102%)
Half13.11 mi0.68 mi17280+435916+125916+1216760(Top 59%)5635(Top 46%)5635(Top 103%)
25K15.53 mi2.42 mi17327-475957-415957-4117845(Top 63%)6339(Top 52%)6339(Top 116%)
30K18.64 mi3.11 mi17559-2326160-2036160-20318619(Top 66%)6900(Top 56%)6900(Top 126%)
20M20.00 mi1.36 mi17745-1866289-1296289-12919631(Top 69%)7591(Top 62%)7591(Top 139%)
21M21.00 mi1.00 mi17779-346312-236312-2318120(Top 64%)6857(Top 56%)6857(Top 125%)
35K21.75 mi0.75 mi17784-56324-126324-1218139(Top 64%)6975(Top 57%)6975(Top 128%)
23M23.00 mi1.25 mi17742+426354-306354-3017455(Top 61%)6693(Top 55%)6693(Top 122%)
24M24.00 mi1.00 mi17636+1066323+316323+3115776(Top 56%)5794(Top 47%)5794(Top 106%)
40K24.85 mi0.85 mi17584+526322+16322+116596(Top 58%)6366(Top 52%)6366(Top 116%)
25.2M25.20 mi0.35 mi17523+616307+156307+1513988(Top 49%)5031(Top 41%)5031(Top 92%)
Finish26.22 mi1.02 mi17385+1386247+606247+6013493(Top 48%)4701(Top 38%)4701(Top 86%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

18195

Females

6435

F18-39

6435

5K→10K

3.1 - 6.2 mi

Top 64%
×5stories
+79ft-138ft

Overall

18176

Females

6405

F18-39

6405

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

18195

Females

6435

F18-39

6435

15K→20K

9.3 - 12.4 mi

Top 58%
×5stories
+106ft-86ft

Overall

16609

Females

5554

F18-39

5554

20K→Half

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

16760

Females

5635

F18-39

5635

Half→25K

13.1 - 15.5 mi

Top 63%
×4stories
+66ft-88ft

Overall

17845

Females

6339

F18-39

6339

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

18619

Females

6900

F18-39

6900

30K→20M

18.6 - 20.0 mi

Top 69%
×5stories
+64ft-50ft

Overall

19631

Females

7591

F18-39

7591

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

18120

Females

6857

F18-39

6857

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

18139

Females

6975

F18-39

6975

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

17455

Females

6693

F18-39

6693

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

15776

Females

5794

F18-39

5794

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16596

Females

6366

F18-39

6366

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13988

Females

5031

F18-39

5031

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

13493

Females

4701

F18-39

4701

Passing Analysis

Category:
Athletes Passed
1687
Passed By
2605
Net Change
-918
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16467
5K10K67940-873#16467#17340
10K15K107408-301#17340#17641
15K20K36547+318#17641#17323
20KHalf5512+43#17323#17280
Half25K154201-47#17280#17327
25K30K153385-232#17327#17559
30K20M72258-186#17559#17745
20M21M89123-34#17745#17779
21M35K6469-5#17779#17784
35K23M12886+42#17784#17742
23M24M13125+106#17742#17636
24M40K9038+52#17636#17584
40K25.2M676+61#17584#17523
25.2MFinish1457+138#17523#17385
TOTALS16872605-918
📊

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