Zheng Ma

Bib: 14290F

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 39%
Gender (Female)
#0 / 11423
Top 20%
Masters (Masters Women)
#0 / 6539
Top 9%
Division (F40-44)
#0 / 1878
Top 19%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:36
Rank: #10521
Start5K
7:36/mi
23:36 split
10K· 6.21 mi
46:50
Rank: #10375 (+146)
5K10K
7:29/mi
23:14 split
15K· 9.32 mi
1:10:23
Rank: #10513 (-138)
10K15K
7:35/mi
23:33 split
20K· 12.43 mi
1:34:24
Rank: #10683 (-170)
15K20K
7:44/mi
24:01 split
Half· 13.11 mi
1:39:35
Rank: #10696 (-13)
20KHalf
7:36/mi
5:11 split
25K· 15.53 mi
1:58:06
Rank: #10502 (+194)
Half25K
7:38/mi
18:31 split
30K· 18.64 mi
2:23:02
Rank: #10556 (-54)
25K30K
8:02/mi
24:56 split
20M
2:34:02
Rank: #10567 (-11)
30K20M
8:06/mi
11:00 split
21M
2:42:51
Rank: #10649 (-82)
20M21M
8:49/mi
8:49 split
35K· 21.75 mi
2:48:45
Rank: #10646 (+3)
21M35K
7:53/mi
5:54 split
23M
2:58:49
Rank: #10601 (+45)
35K23M
8:02/mi
10:04 split
24M
3:06:47
Rank: #10609 (-8)
23M24M
7:58/mi
7:58 split
40K· 24.85 mi
3:13:41
Rank: #10565 (+44)
24M40K
8:04/mi
6:54 split
25.2M
3:16:39
Rank: #10548 (+17)
40K25.2M
8:36/mi
2:58 split
Finish· 26.22 mi
3:24:22
Rank: #10470 (+78)
25.2MFinish
7:34/mi
7:43 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:35
Pace7:36 /mi
2nd Half
Distance13.11 mi
Time1:44:47
Pace8:00 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0723:367:3623:36
7:36
-
10K
6.21 mi11:16:2146:507:3223:14
7:29
-0:07
15K
9.32 mi11:39:541:10:237:3323:33
7:35
+0:06
20K
12.43 mi12:03:551:34:247:3624:01
7:44
+0:09
Half
13.11 mi12:09:061:39:357:365:11
7:36
-0:08
25K
15.53 mi12:27:371:58:067:3618:31
7:38
+0:02
30K
18.64 mi12:52:332:23:027:4024:56
8:02
+0:24
20M
20.00 mi13:03:332:34:027:4211:00
8:06
+0:04
21M
21.00 mi13:12:222:42:517:458:49
8:49
+0:43
35K
21.75 mi13:18:162:48:457:465:54
7:53
-0:56
23M
23.00 mi13:28:202:58:497:4610:04
8:02
+0:09
24M
24.00 mi13:36:183:06:477:477:58
7:58
-0:04
40K
24.85 mi13:43:123:13:417:486:54
8:04
+0:06
25.2M
25.20 mi13:46:103:16:397:482:58
8:36
+0:32
Finish
26.22 mi13:53:533:24:227:487:43
7:34
-1:02

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

7:48 /mi

Slowest Pace

8:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:12:35

94% of race

Time at Steady Pace

11:47

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:48 /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 mi10:53:0723:367:3623:36
7:36
#10521
10K
6.21 mi11:16:2146:507:3223:14
7:29
#10375
15K
9.32 mi11:39:541:10:237:3323:33
7:35
#10513
20K
12.43 mi12:03:551:34:247:3624:01
7:44
#10683
Half
13.11 mi12:09:061:39:357:365:11
7:36
#10696
25K
15.53 mi12:27:371:58:067:3618:31
7:38
#10502
30K
18.64 mi12:52:332:23:027:4024:56
8:02
#10556
20M
20.00 mi13:03:332:34:027:4211:00
8:06
#10567
21M
21.00 mi13:12:222:42:517:458:49
8:49
#10649
35K
21.75 mi13:18:162:48:457:465:54
7:53
#10646
23M
23.00 mi13:28:202:58:497:4610:04
8:02
#10601
24M
24.00 mi13:36:183:06:477:477:58
7:58
#10609
40K
24.85 mi13:43:123:13:417:486:54
8:04
#10565
25.2M
25.20 mi13:46:103:16:397:482:58
8:36
#10548
Finish
26.22 mi13:53:533:24:227:487:43
7:34
#10470
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi105212095209510845(Top 41%)2253(Top 20%)2253(Top 120%)
10K6.21 mi3.10 mi10375+1462016+792016+7910291(Top 39%)1954(Top 17%)1954(Top 104%)
15K9.32 mi3.11 mi10513-1382071-552071-5510845(Top 41%)2253(Top 20%)2253(Top 120%)
20K12.43 mi3.11 mi10683-1702178-1072178-10711153(Top 42%)2486(Top 22%)2486(Top 132%)
Half13.11 mi0.68 mi10696-132182-42182-411049(Top 42%)2391(Top 21%)2391(Top 127%)
25K15.53 mi2.42 mi10502+1942096+862096+869843(Top 37%)1940(Top 17%)1940(Top 103%)
30K18.64 mi3.11 mi10556-542183-872183-8711112(Top 42%)2697(Top 24%)2697(Top 144%)
20M20.00 mi1.36 mi10567-112207-242207-2410991(Top 41%)2724(Top 24%)2724(Top 145%)
21M21.00 mi1.00 mi10649-822273-662273-6612362(Top 46%)3598(Top 31%)3598(Top 192%)
35K21.75 mi0.75 mi10646+32297-242297-2411314(Top 42%)3021(Top 26%)3021(Top 161%)
23M23.00 mi1.25 mi10601+452306-92306-910058(Top 38%)2535(Top 22%)2535(Top 135%)
24M24.00 mi1.00 mi10609-82330-242330-2411019(Top 41%)3092(Top 27%)3092(Top 165%)
40K24.85 mi0.85 mi10565+442345-152345-1510531(Top 40%)2893(Top 25%)2893(Top 154%)
25.2M25.20 mi0.35 mi10548+172344+12344+110205(Top 38%)2785(Top 24%)2785(Top 148%)
Finish26.22 mi1.02 mi10470+782331+132331+139130(Top 34%)2300(Top 20%)2300(Top 122%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

10845

Females

2253

F40-44

2253

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

10291

Females

1954

F40-44

1954

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

10845

Females

2253

F40-44

2253

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

11153

Females

2486

F40-44

2486

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

11049

Females

2391

F40-44

2391

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

9843

Females

1940

F40-44

1940

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

11112

Females

2697

F40-44

2697

30K→20M

18.6 - 20.0 mi

Top 41%
×5story building
+64ft-50ft

Overall

10991

Females

2724

F40-44

2724

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

12362

Females

3598

F40-44

3598

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

11314

Females

3021

F40-44

3021

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10058

Females

2535

F40-44

2535

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

11019

Females

3092

F40-44

3092

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10531

Females

2893

F40-44

2893

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10205

Females

2785

F40-44

2785

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

9130

Females

2300

F40-44

2300

Passing Analysis

Category:
Athletes Passed
1602*
Passed By
1551
Net Change
+51
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10521
5K10K367*221+146#10521#10375
10K15K139277-138#10375#10513
15K20K90260-170#10513#10683
20KHalf2437-13#10683#10696
Half25K22733+194#10696#10502
25K30K158212-54#10502#10556
30K20M77*88-11#10556#10567
20M21M50132-82#10567#10649
21M35K5956+3#10649#10646
35K23M10459+45#10646#10601
23M24M6775-8#10601#10609
24M40K8743+44#10609#10565
40K25.2M3821+17#10565#10548
25.2MFinish11537+78#10548#10470
TOTALS1602*1551+51

* 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