Joy Choi

Bib: 21856F

CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F55-59)
#0 / 876
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:31
Rank: #22583
Start5K
9:49/mi
30:31 split
10K· 6.21 mi
1:01:12
Rank: #22436 (+147)
5K10K
9:53/mi
30:41 split
15K· 9.32 mi
1:33:33
Rank: #22553 (-117)
10K15K
10:25/mi
32:21 split
20K· 12.43 mi
2:08:09
Rank: #22656 (-103)
15K20K
11:08/mi
34:36 split
Half· 13.11 mi
2:15:03
Rank: #22613 (+43)
20KHalf
10:07/mi
6:54 split
25K· 15.53 mi
2:43:31
Rank: #22656 (-43)
Half25K
11:44/mi
28:28 split
30K· 18.64 mi
3:23:37
Rank: #22821 (-165)
25K30K
12:54/mi
40:06 split
20M
3:38:57
Rank: #22632 (+189)
30K20M
11:17/mi
15:20 split
21M
3:52:59
Rank: #22642 (-10)
20M21M
14:02/mi
14:02 split
35K· 21.75 mi
4:02:55
Rank: #22711 (-69)
21M35K
13:17/mi
9:56 split
23M
4:21:35
Rank: #22897 (-186)
35K23M
14:55/mi
18:40 split
24M
4:33:07
Rank: #22814 (+83)
23M24M
11:32/mi
11:32 split
40K· 24.85 mi
4:43:31
Rank: #22770 (+44)
24M40K
12:10/mi
10:24 split
25.2M
4:47:49
Rank: #22717 (+53)
40K25.2M
12:28/mi
4:18 split
Finish· 26.22 mi
4:58:19
Rank: #22642 (+75)
25.2MFinish
10:18/mi
10:30 split

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:03
Pace10:18 /mi
2nd Half
Distance13.11 mi
Time2:43:16
Pace12:27 /mi
📊Positive Split: 20.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:2930:319:4930:31
9:49
-
10K
6.21 mi11:56:101:01:129:5130:41
9:53
+0:04
15K
9.32 mi12:28:311:33:3310:0232:21
10:25
+0:32
20K
12.43 mi13:03:072:08:0910:1934:36
11:08
+0:43
Half
13.11 mi13:10:012:15:0310:186:54
10:07
-1:01
25K
15.53 mi13:38:292:43:3110:3228:28
11:44
+1:37
30K
18.64 mi14:18:353:23:3710:5540:06
12:54
+1:10
20M
20.00 mi14:33:553:38:5710:5715:20
11:17
-1:37
21M
21.00 mi14:47:573:52:5911:0614:02
14:02
+2:45
35K
21.75 mi14:57:534:02:5511:109:56
13:17
-0:45
23M
23.00 mi15:16:334:21:3511:2218:40
14:55
+1:38
24M
24.00 mi15:28:054:33:0711:2311:32
11:32
-3:23
40K
24.85 mi15:38:294:43:3111:2410:24
12:10
+0:38
25.2M
25.20 mi15:42:474:47:4911:254:18
12:28
+0:18
Finish
26.22 mi15:53:174:58:1911:2310:30
10:18
-2:10

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

9:49 /mi

Average Pace

11:23 /mi

Slowest Pace

14:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:57

37% of race

Time at Steady Pace

1:40:20

34% of race

Time at Slower Pace

1:27:02

29% of race

Average Pace: 11:23 /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 mi11:25:2930:319:4930:31
9:49
#22583
10K
6.21 mi11:56:101:01:129:5130:41
9:53
#22436
15K
9.32 mi12:28:311:33:3310:0232:21
10:25
#22553
20K
12.43 mi13:03:072:08:0910:1934:36
11:08
#22656
Half
13.11 mi13:10:012:15:0310:186:54
10:07
#22613
25K
15.53 mi13:38:292:43:3110:3228:28
11:44
#22656
30K
18.64 mi14:18:353:23:3710:5540:06
12:54
#22821
20M
20.00 mi14:33:553:38:5710:5715:20
11:17
#22632
21M
21.00 mi14:47:573:52:5911:0614:02
14:02
#22642
35K
21.75 mi14:57:534:02:5511:109:56
13:17
#22711
23M
23.00 mi15:16:334:21:3511:2218:40
14:55
#22897
24M
24.00 mi15:28:054:33:0711:2311:32
11:32
#22814
40K
24.85 mi15:38:294:43:3111:2410:24
12:10
#22770
25.2M
25.20 mi15:42:474:47:4911:254:18
12:28
#22717
Finish
26.22 mi15:53:174:58:1911:2310:30
10:18
#22642
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi225839194919422775(Top 89%)9306(Top 85%)9306(Top 1062%)
10K6.21 mi3.10 mi22436+1479121+739121+7322290(Top 87%)9060(Top 83%)9060(Top 1034%)
15K9.32 mi3.11 mi22553-1179165-449165-4422775(Top 89%)9306(Top 85%)9306(Top 1062%)
20K12.43 mi3.11 mi22656-1039234-699234-6922870(Top 90%)9380(Top 86%)9380(Top 1071%)
Half13.11 mi0.68 mi22613+439213+219213+2121794(Top 85%)8853(Top 81%)8853(Top 1011%)
25K15.53 mi2.42 mi22656-439249-369249-3622769(Top 89%)9423(Top 86%)9423(Top 1076%)
30K18.64 mi3.11 mi22821-1659393-1449393-14423192(Top 91%)9749(Top 89%)9749(Top 1113%)
20M20.00 mi1.36 mi22632+1899316+779316+7719957(Top 78%)8201(Top 75%)8201(Top 936%)
21M21.00 mi1.00 mi22642-109348-329348-3222384(Top 88%)9486(Top 87%)9486(Top 1083%)
35K21.75 mi0.75 mi22711-699392-449392-4423570(Top 92%)10096(Top 92%)10096(Top 1153%)
23M23.00 mi1.25 mi22897-1869508-1169508-11624594(Top 96%)10567(Top 97%)10567(Top 1206%)
24M24.00 mi1.00 mi22814+839472+369472+3620518(Top 80%)8696(Top 80%)8696(Top 993%)
40K24.85 mi0.85 mi22770+449458+149458+1420779(Top 81%)8895(Top 81%)8895(Top 1015%)
25.2M25.20 mi0.35 mi22717+539437+219437+2118499(Top 72%)7784(Top 71%)7784(Top 889%)
Finish26.22 mi1.02 mi22642+759411+269411+2619456(Top 76%)8207(Top 75%)8207(Top 937%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

22775

Females

9306

F55-59

9306

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

22290

Females

9060

F55-59

9060

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

22775

Females

9306

F55-59

9306

15K→20K

9.3 - 12.4 mi

Top 90%
×5story building
+106ft-86ft

Overall

22870

Females

9380

F55-59

9380

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

21794

Females

8853

F55-59

8853

Half→25K

13.1 - 15.5 mi

Top 89%
×4story building
+66ft-88ft

Overall

22769

Females

9423

F55-59

9423

25K→30K

15.5 - 18.6 mi

Top 91%
×9story building
+181ft-148ft

Overall

23192

Females

9749

F55-59

9749

30K→20M

18.6 - 20.0 mi

Top 78%
×5story building
+64ft-50ft

Overall

19957

Females

8201

F55-59

8201

20M→21M

20.0 - 21.0 mi

Top 88%
×8story building
+106ft-24ft

Overall

22384

Females

9486

F55-59

9486

21M→35K

21.0 - 21.8 mi

Top 92%
×7story building
+17ft-86ft

Overall

23570

Females

10096

F55-59

10096

35K→23M

21.8 - 23.0 mi

Top 96%
×5story building
+23ft-63ft

Overall

24594

Females

10567

F55-59

10567

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

20518

Females

8696

F55-59

8696

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

20779

Females

8895

F55-59

8895

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

18499

Females

7784

F55-59

7784

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2story building
+22ft-21ft

Overall

19456

Females

8207

F55-59

8207

Passing Analysis

Category:
Athletes Passed
1379
Passed By
1438
Net Change
-59
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22583
5K10K284137+147#22583#22436
10K15K127244-117#22436#22553
15K20K130233-103#22553#22656
20KHalf529+43#22656#22613
Half25K98141-43#22613#22656
25K30K97262-165#22656#22821
30K20M1978+189#22821#22632
20M21M6575-10#22632#22642
21M35K1786-69#22642#22711
35K23M14200-186#22711#22897
23M24M896+83#22897#22814
24M40K6824+44#22814#22770
40K25.2M585+53#22770#22717
25.2MFinish838+75#22717#22642
TOTALS13791438-59
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing