Bihua Zhang

Bib: 14241F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 40%
Gender (Female)
#0 / 10924
Top 25%
Masters (Masters Women)
#0 / 6263
Top 13%
Division (F40-44)
#0 / 1613
Top 27%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:39
Rank: #11654
Start5K
7:37/mi
23:39 split
10K· 6.21 mi
47:07
Rank: #11169 (+485)
5K10K
7:33/mi
23:28 split
15K· 9.32 mi
1:10:51
Rank: #10977 (+192)
10K15K
7:38/mi
23:44 split
20K· 12.43 mi
1:35:35
Rank: #11099 (-122)
15K20K
7:58/mi
24:44 split
Half· 13.11 mi
1:41:01
Rank: #11161 (-62)
20KHalf
7:58/mi
5:26 split
25K· 15.53 mi
2:01:04
Rank: #11231 (-70)
Half25K
8:16/mi
20:03 split
30K· 18.64 mi
2:27:01
Rank: #10846 (+385)
25K30K
8:21/mi
25:57 split
20M
2:38:48
Rank: #10764 (+82)
30K20M
8:40/mi
11:47 split
21M
2:48:06
Rank: #10642 (+122)
20M21M
9:18/mi
9:18 split
35K· 21.75 mi
2:54:04
Rank: #10503 (+139)
21M35K
7:59/mi
5:58 split
23M
3:04:52
Rank: #10345 (+158)
35K23M
8:38/mi
10:48 split
24M
3:13:27
Rank: #10301 (+44)
23M24M
8:35/mi
8:35 split
40K· 24.85 mi
3:20:49
Rank: #10228 (+73)
24M40K
8:37/mi
7:22 split
25.2M
3:24:15
Rank: #10230 (-2)
40K25.2M
9:57/mi
3:26 split
Finish· 26.22 mi
3:32:20
Rank: #10116 (+114)
25.2MFinish
7:56/mi
8:05 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:01
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time1:51:19
Pace8:29 /mi
📊Positive Split: 10.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:5723:397:3723:39
7:37
-
10K
6.21 mi11:18:2547:077:3523:28
7:33
-0:04
15K
9.32 mi11:42:091:10:517:3623:44
7:38
+0:05
20K
12.43 mi12:06:531:35:357:4124:44
7:58
+0:20
Half
13.11 mi12:12:191:41:017:425:26
7:58
0:00
25K
15.53 mi12:32:222:01:047:4820:03
8:16
+0:18
30K
18.64 mi12:58:192:27:017:5325:57
8:21
+0:05
20M
20.00 mi13:10:062:38:487:5611:47
8:40
+0:19
21M
21.00 mi13:19:242:48:068:009:18
9:18
+0:38
35K
21.75 mi13:25:222:54:048:005:58
7:59
-1:19
23M
23.00 mi13:36:103:04:528:0210:48
8:38
+0:39
24M
24.00 mi13:44:453:13:278:048:35
8:35
-0:03
40K
24.85 mi13:52:073:20:498:057:22
8:37
+0:02
25.2M
25.20 mi13:55:333:24:158:063:26
9:57
+1:20
Finish
26.22 mi14:03:383:32:208:068:05
7:56
-2:01

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

7:33 /mi

Average Pace

8:06 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:18:56

37% of race

Time at Steady Pace

1:30:43

43% of race

Time at Slower Pace

42:41

20% of race

Average Pace: 8:06 /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 mi10:54:5723:397:3723:39
7:37
#11654
10K
6.21 mi11:18:2547:077:3523:28
7:33
#11169
15K
9.32 mi11:42:091:10:517:3623:44
7:38
#10977
20K
12.43 mi12:06:531:35:357:4124:44
7:58
#11099
Half
13.11 mi12:12:191:41:017:425:26
7:58
#11161
25K
15.53 mi12:32:222:01:047:4820:03
8:16
#11231
30K
18.64 mi12:58:192:27:017:5325:57
8:21
#10846
20M
20.00 mi13:10:062:38:487:5611:47
8:40
#10764
21M
21.00 mi13:19:242:48:068:009:18
9:18
#10642
35K
21.75 mi13:25:222:54:048:005:58
7:59
#10503
23M
23.00 mi13:36:103:04:528:0210:48
8:38
#10345
24M
24.00 mi13:44:453:13:278:048:35
8:35
#10301
40K
24.85 mi13:52:073:20:498:057:22
8:37
#10228
25.2M
25.20 mi13:55:333:24:158:063:26
9:57
#10230
Finish
26.22 mi14:03:383:32:208:068:05
7:56
#10116
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi116542932293210739(Top 42%)2555(Top 23%)2555(Top 158%)
10K6.21 mi3.10 mi11169+4852694+2382694+23810729(Top 42%)2494(Top 23%)2494(Top 155%)
15K9.32 mi3.11 mi10977+1922625+692625+6910739(Top 42%)2555(Top 23%)2555(Top 158%)
20K12.43 mi3.11 mi11099-1222718-932718-9311576(Top 45%)3102(Top 28%)3102(Top 192%)
Half13.11 mi0.68 mi11161-622762-442762-4412516(Top 49%)3593(Top 33%)3593(Top 223%)
25K15.53 mi2.42 mi11231-702846-842846-8411797(Top 46%)3394(Top 31%)3394(Top 210%)
30K18.64 mi3.11 mi10846+3852746+1002746+1009859(Top 39%)2640(Top 24%)2640(Top 164%)
20M20.00 mi1.36 mi10764+822763-172763-1710390(Top 41%)3148(Top 29%)3148(Top 195%)
21M21.00 mi1.00 mi10642+1222758+52758+59951(Top 39%)3201(Top 29%)3201(Top 198%)
35K21.75 mi0.75 mi10503+1392719+392719+397687(Top 30%)2086(Top 19%)2086(Top 129%)
23M23.00 mi1.25 mi10345+1582702+172702+179151(Top 36%)2949(Top 27%)2949(Top 183%)
24M24.00 mi1.00 mi10301+442730-282730-289955(Top 39%)3409(Top 31%)3409(Top 211%)
40K24.85 mi0.85 mi10228+732733-32733-38959(Top 35%)3056(Top 28%)3056(Top 189%)
25.2M25.20 mi0.35 mi10230-22752-192752-1910787(Top 42%)3980(Top 36%)3980(Top 247%)
Finish26.22 mi1.02 mi10116+1142726+262726+268154(Top 32%)2660(Top 24%)2660(Top 165%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

10739

Females

2555

F40-44

2555

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

10729

Females

2494

F40-44

2494

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

10739

Females

2555

F40-44

2555

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

11576

Females

3102

F40-44

3102

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

12516

Females

3593

F40-44

3593

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

11797

Females

3394

F40-44

3394

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

9859

Females

2640

F40-44

2640

30K→20M

18.6 - 20.0 mi

Top 41%
×5story building
+64ft-50ft

Overall

10390

Females

3148

F40-44

3148

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

9951

Females

3201

F40-44

3201

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

7687

Females

2086

F40-44

2086

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

9151

Females

2949

F40-44

2949

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

9955

Females

3409

F40-44

3409

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

8959

Females

3056

F40-44

3056

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

10787

Females

3980

F40-44

3980

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

8154

Females

2660

F40-44

2660

Passing Analysis

Category:
Athletes Passed
2890*
Passed By
1352
Net Change
+1538
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11654
5K10K57186+485#11654#11169
10K15K304112+192#11169#10977
15K20K177299-122#10977#11099
20KHalf2183-62#11099#11161
Half25K192262-70#11161#11231
25K30K494109+385#11231#10846
30K20M17896+82#10846#10764
20M21M18664+122#10764#10642
21M35K15314+139#10642#10503
35K23M21254+158#10503#10345
23M24M11167+44#10345#10301
24M40K119*46+73#10301#10228
40K25.2M3638-2#10228#10230
25.2MFinish13622+114#10230#10116
TOTALS2890*1352+1538

* 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