Catarina Zheng

Bib: 11960F

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 49%
Division (F18-39)
#0 / 4660
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:15
Rank: #10643
Start5K
7:29/mi
23:15 split
10K· 6.21 mi
47:13
Rank: #11279 (-636)
5K10K
7:43/mi
23:58 split
15K· 9.32 mi
1:12:35
Rank: #12423 (-1144)
10K15K
8:10/mi
25:22 split
20K· 12.43 mi
1:39:38
Rank: #13562 (-1139)
15K20K
8:42/mi
27:03 split
Half· 13.11 mi
1:45:13
Rank: #13572 (-10)
20KHalf
8:11/mi
5:35 split
25K· 15.53 mi
2:06:52
Rank: #13838 (-266)
Half25K
8:56/mi
21:39 split
30K· 18.64 mi
2:36:49
Rank: #14277 (-439)
25K30K
9:38/mi
29:57 split
20M
2:50:41
Rank: #14584 (-307)
30K20M
10:12/mi
13:52 split
21M
3:02:50
Rank: #15058 (-474)
20M21M
12:09/mi
12:09 split
35K· 21.75 mi
3:09:50
Rank: #15053 (+5)
21M35K
9:21/mi
7:00 split
23M
3:22:01
Rank: #15003 (+50)
35K23M
9:44/mi
12:11 split
24M
3:31:23
Rank: #14936 (+67)
23M24M
9:22/mi
9:22 split
40K· 24.85 mi
3:40:06
Rank: #14965 (-29)
24M40K
10:12/mi
8:43 split
25.2M
3:44:04
Rank: #14997 (-32)
40K25.2M
11:30/mi
3:58 split
Finish· 26.22 mi
3:53:03
Rank: #14909 (+88)
25.2MFinish
8:49/mi
8:59 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
Time1:45:13
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time2:07:50
Pace9:45 /mi
📊Positive Split: 21.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2623:157:2923:15
7:29
-
10K
6.21 mi11:15:2447:137:3623:58
7:43
+0:14
15K
9.32 mi11:40:461:12:357:4725:22
8:10
+0:27
20K
12.43 mi12:07:491:39:388:0127:03
8:42
+0:32
Half
13.11 mi12:13:241:45:138:025:35
8:11
-0:31
25K
15.53 mi12:35:032:06:528:1021:39
8:56
+0:45
30K
18.64 mi13:05:002:36:498:2529:57
9:38
+0:42
20M
20.00 mi13:18:522:50:418:3213:52
10:12
+0:34
21M
21.00 mi13:31:013:02:508:4212:09
12:09
+1:57
35K
21.75 mi13:38:013:09:508:447:00
9:21
-2:48
23M
23.00 mi13:50:123:22:018:4712:11
9:44
+0:23
24M
24.00 mi13:59:343:31:238:489:22
9:22
-0:22
40K
24.85 mi14:08:173:40:068:518:43
10:12
+0:50
25.2M
25.20 mi14:12:153:44:048:533:58
11:30
+1:18
Finish
26.22 mi14:21:143:53:038:548:59
8:49
-2:41

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

7:29 /mi

Average Pace

8:54 /mi

Slowest Pace

12:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:13

45% of race

Time at Steady Pace

1:29:08

38% of race

Time at Slower Pace

38:42

17% of race

Average Pace: 8:53 /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 mi10:51:2623:157:2923:15
7:29
#10643
10K
6.21 mi11:15:2447:137:3623:58
7:43
#11279
15K
9.32 mi11:40:461:12:357:4725:22
8:10
#12423
20K
12.43 mi12:07:491:39:388:0127:03
8:42
#13562
Half
13.11 mi12:13:241:45:138:025:35
8:11
#13572
25K
15.53 mi12:35:032:06:528:1021:39
8:56
#13838
30K
18.64 mi13:05:002:36:498:2529:57
9:38
#14277
20M
20.00 mi13:18:522:50:418:3213:52
10:12
#14584
21M
21.00 mi13:31:013:02:508:4212:09
12:09
#15058
35K
21.75 mi13:38:013:09:508:447:00
9:21
#15053
23M
23.00 mi13:50:123:22:018:4712:11
9:44
#15003
24M
24.00 mi13:59:343:31:238:489:22
9:22
#14936
40K
24.85 mi14:08:173:40:068:518:43
10:12
#14965
25.2M
25.20 mi14:12:153:44:048:533:58
11:30
#14997
Finish
26.22 mi14:21:143:53:038:548:59
8:49
#14909
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi106432374237414516(Top 57%)4671(Top 43%)4671(Top 100%)
10K6.21 mi3.10 mi11279-6362759-3852759-38511993(Top 47%)3195(Top 29%)3195(Top 69%)
15K9.32 mi3.11 mi12423-11443424-6653424-66514516(Top 57%)4671(Top 43%)4671(Top 100%)
20K12.43 mi3.11 mi13562-11394092-6684092-66815892(Top 62%)5522(Top 51%)5522(Top 118%)
Half13.11 mi0.68 mi13572-104110-184110-1813977(Top 55%)4471(Top 41%)4471(Top 96%)
25K15.53 mi2.42 mi13838-2664301-1914301-19115214(Top 60%)5297(Top 48%)5297(Top 114%)
30K18.64 mi3.11 mi14277-4394646-3454646-34516004(Top 63%)5979(Top 55%)5979(Top 128%)
20M20.00 mi1.36 mi14584-3074875-2294875-22917142(Top 67%)6783(Top 62%)6783(Top 146%)
21M21.00 mi1.00 mi15058-4745212-3375212-33719153(Top 75%)7879(Top 72%)7879(Top 169%)
35K21.75 mi0.75 mi15053+55223-115223-1114962(Top 59%)5820(Top 53%)5820(Top 125%)
23M23.00 mi1.25 mi15003+505246-235246-2314479(Top 57%)5650(Top 52%)5650(Top 121%)
24M24.00 mi1.00 mi14936+675262-165262-1613881(Top 54%)5378(Top 49%)5378(Top 115%)
40K24.85 mi0.85 mi14965-295307-455307-4515705(Top 61%)6355(Top 58%)6355(Top 136%)
25.2M25.20 mi0.35 mi14997-325341-345341-3416066(Top 63%)6565(Top 60%)6565(Top 141%)
Finish26.22 mi1.02 mi14909+885329+125329+1213274(Top 52%)5105(Top 47%)5105(Top 110%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21stories
+97ft-345ft

Overall

14516

Females

4671

F18-39

4671

5K→10K

3.1 - 6.2 mi

Top 47%
×5stories
+79ft-138ft

Overall

11993

Females

3195

F18-39

3195

10K→15K

6.2 - 9.3 mi

Top 57%
×3stories
+67ft-78ft

Overall

14516

Females

4671

F18-39

4671

15K→20K

9.3 - 12.4 mi

Top 62%
×5stories
+106ft-86ft

Overall

15892

Females

5522

F18-39

5522

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

13977

Females

4471

F18-39

4471

Half→25K

13.1 - 15.5 mi

Top 60%
×4stories
+66ft-88ft

Overall

15214

Females

5297

F18-39

5297

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

16004

Females

5979

F18-39

5979

30K→20M

18.6 - 20.0 mi

Top 67%
×5stories
+64ft-50ft

Overall

17142

Females

6783

F18-39

6783

20M→21M

20.0 - 21.0 mi

Top 75%
×8stories
+106ft-24ft

Overall

19153

Females

7879

F18-39

7879

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

14962

Females

5820

F18-39

5820

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

14479

Females

5650

F18-39

5650

23M→24M

23.0 - 24.0 mi

Top 54%
×6stories
+12ft-82ft

Overall

13881

Females

5378

F18-39

5378

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

15705

Females

6355

F18-39

6355

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16066

Females

6565

F18-39

6565

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

13274

Females

5105

F18-39

5105

Passing Analysis

Category:
Athletes Passed
1220
Passed By
5486
Net Change
-4266
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10643
5K10K105741-636#10643#11279
10K15K431187-1144#11279#12423
15K20K611200-1139#12423#13562
20KHalf3747-10#13562#13572
Half25K135401-266#13572#13838
25K30K167606-439#13838#14277
30K20M58365-307#14277#14584
20M21M39513-474#14584#15058
21M35K6257+5#15058#15053
35K23M14797+50#15053#15003
23M24M12558+67#15003#14936
24M40K89118-29#14936#14965
40K25.2M3769-32#14965#14997
25.2MFinish11527+88#14997#14909
TOTALS12205486-4266
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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