Haifang Yun

Bib: 22866F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Top 45%
Division (F55-59)
#0 / 876
Top 25%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:26
Rank: #19419
Start5K
8:50/mi
27:26 split
10K· 6.21 mi
54:55
Rank: #19221 (+198)
5K10K
8:51/mi
27:29 split
15K· 9.32 mi
1:22:24
Rank: #18885 (+336)
10K15K
8:51/mi
27:29 split
20K· 12.43 mi
1:50:02
Rank: #18273 (+612)
15K20K
8:54/mi
27:38 split
Half· 13.11 mi
1:55:51
Rank: #18153 (+120)
20KHalf
8:32/mi
5:49 split
25K· 15.53 mi
2:17:18
Rank: #17552 (+601)
Half25K
8:51/mi
21:27 split
30K· 18.64 mi
2:46:22
Rank: #17008 (+544)
25K30K
9:21/mi
29:04 split
20M
2:59:07
Rank: #16788 (+220)
30K20M
9:23/mi
12:45 split
21M
3:09:31
Rank: #16658 (+130)
20M21M
10:24/mi
10:24 split
35K· 21.75 mi
3:16:17
Rank: #16550 (+108)
21M35K
9:03/mi
6:46 split
23M
3:27:59
Rank: #16307 (+243)
35K23M
9:21/mi
11:42 split
24M
3:37:17
Rank: #16169 (+138)
23M24M
9:18/mi
9:18 split
40K· 24.85 mi
3:45:24
Rank: #16029 (+140)
24M40K
9:30/mi
8:07 split
25.2M
3:49:01
Rank: #15968 (+61)
40K25.2M
10:29/mi
3:37 split
Finish· 26.22 mi
3:58:04
Rank: #15851 (+117)
25.2MFinish
8:53/mi
9:03 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:51
Pace8:50 /mi
2nd Half
Distance13.11 mi
Time2:02:13
Pace9:19 /mi
📊Positive Split: 5.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:5727:268:5027:26
8:50
-
10K
6.21 mi11:54:2654:558:5027:29
8:51
+0:01
15K
9.32 mi12:21:551:22:248:5027:29
8:51
0:00
20K
12.43 mi12:49:331:50:028:5127:38
8:54
+0:03
Half
13.11 mi12:55:221:55:518:505:49
8:32
-0:22
25K
15.53 mi13:16:492:17:188:5021:27
8:51
+0:19
30K
18.64 mi13:45:532:46:228:5529:04
9:21
+0:30
20M
20.00 mi13:58:382:59:078:5712:45
9:23
+0:02
21M
21.00 mi14:09:023:09:319:0110:24
10:24
+1:01
35K
21.75 mi14:15:483:16:179:026:46
9:03
-1:21
23M
23.00 mi14:27:303:27:599:0311:42
9:21
+0:18
24M
24.00 mi14:36:483:37:179:039:18
9:18
-0:03
40K
24.85 mi14:44:553:45:249:048:07
9:30
+0:12
25.2M
25.20 mi14:48:323:49:019:053:37
10:29
+0:59
Finish
26.22 mi14:57:353:58:049:059:03
8:53
-1:36

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

8:32 /mi

Average Pace

9:05 /mi

Slowest Pace

10:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

5:49

2% of race

Time at Steady Pace

2:36:36

66% of race

Time at Slower Pace

1:15:39

32% of race

Average Pace: 9:05 /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 mi11:26:5727:268:5027:26
8:50
#19419
10K
6.21 mi11:54:2654:558:5027:29
8:51
#19221
15K
9.32 mi12:21:551:22:248:5027:29
8:51
#18885
20K
12.43 mi12:49:331:50:028:5127:38
8:54
#18273
Half
13.11 mi12:55:221:55:518:505:49
8:32
#18153
25K
15.53 mi13:16:492:17:188:5021:27
8:51
#17552
30K
18.64 mi13:45:532:46:228:5529:04
9:21
#17008
20M
20.00 mi13:58:382:59:078:5712:45
9:23
#16788
21M
21.00 mi14:09:023:09:319:0110:24
10:24
#16658
35K
21.75 mi14:15:483:16:179:026:46
9:03
#16550
23M
23.00 mi14:27:303:27:599:0311:42
9:21
#16307
24M
24.00 mi14:36:483:37:179:039:18
9:18
#16169
40K
24.85 mi14:44:553:45:249:048:07
9:30
#16029
25.2M
25.20 mi14:48:323:49:019:053:37
10:29
#15968
Finish
26.22 mi14:57:353:58:049:059:03
8:53
#15851
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi194197587758718189(Top 71%)6803(Top 62%)6803(Top 777%)
10K6.21 mi3.10 mi19221+1987445+1427445+14219089(Top 75%)7339(Top 67%)7339(Top 838%)
15K9.32 mi3.11 mi18885+3367237+2087237+20818189(Top 71%)6803(Top 62%)6803(Top 777%)
20K12.43 mi3.11 mi18273+6126881+3566881+35616865(Top 66%)6092(Top 56%)6092(Top 695%)
Half13.11 mi0.68 mi18153+1206826+556826+5515921(Top 62%)5589(Top 51%)5589(Top 638%)
25K15.53 mi2.42 mi17552+6016526+3006526+30014799(Top 58%)5069(Top 46%)5069(Top 579%)
30K18.64 mi3.11 mi17008+5446260+2666260+26614856(Top 58%)5343(Top 49%)5343(Top 610%)
20M20.00 mi1.36 mi16788+2206172+886172+8814030(Top 55%)5149(Top 47%)5149(Top 588%)
21M21.00 mi1.00 mi16658+1306126+466126+4614524(Top 57%)5585(Top 51%)5585(Top 638%)
35K21.75 mi0.75 mi16550+1086073+536073+5313553(Top 53%)5099(Top 47%)5099(Top 582%)
23M23.00 mi1.25 mi16307+2435978+955978+9512822(Top 50%)4821(Top 44%)4821(Top 550%)
24M24.00 mi1.00 mi16169+1385937+415937+4113557(Top 53%)5210(Top 48%)5210(Top 595%)
40K24.85 mi0.85 mi16029+1405886+515886+5113110(Top 51%)5105(Top 47%)5105(Top 583%)
25.2M25.20 mi0.35 mi15968+615864+225864+2212816(Top 50%)5018(Top 46%)5018(Top 573%)
Finish26.22 mi1.02 mi15851+1175826+385826+3813661(Top 53%)5310(Top 49%)5310(Top 606%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21story building
+97ft-345ft

Overall

18189

Females

6803

F55-59

6803

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

19089

Females

7339

F55-59

7339

10K→15K

6.2 - 9.3 mi

Top 71%
×3story building
+67ft-78ft

Overall

18189

Females

6803

F55-59

6803

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

16865

Females

6092

F55-59

6092

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

15921

Females

5589

F55-59

5589

Half→25K

13.1 - 15.5 mi

Top 58%
×4story building
+66ft-88ft

Overall

14799

Females

5069

F55-59

5069

25K→30K

15.5 - 18.6 mi

Top 58%
×9story building
+181ft-148ft

Overall

14856

Females

5343

F55-59

5343

30K→20M

18.6 - 20.0 mi

Top 55%
×5story building
+64ft-50ft

Overall

14030

Females

5149

F55-59

5149

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

14524

Females

5585

F55-59

5585

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

13553

Females

5099

F55-59

5099

35K→23M

21.8 - 23.0 mi

Top 50%
×5story building
+23ft-63ft

Overall

12822

Females

4821

F55-59

4821

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

13557

Females

5210

F55-59

5210

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13110

Females

5105

F55-59

5105

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

12816

Females

5018

F55-59

5018

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2story building
+22ft-21ft

Overall

13661

Females

5310

F55-59

5310

Passing Analysis

Category:
Athletes Passed
4028
Passed By
460
Net Change
+3568
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19419
5K10K359161+198#19419#19221
10K15K40266+336#19221#18885
15K20K64230+612#18885#18273
20KHalf1222+120#18273#18153
Half25K6065+601#18153#17552
25K30K57733+544#17552#17008
30K20M23919+220#17008#16788
20M21M18151+130#16788#16658
21M35K12618+108#16658#16550
35K23M25310+243#16550#16307
23M24M15517+138#16307#16169
24M40K15818+140#16169#16029
40K25.2M7312+61#16029#15968
25.2MFinish13518+117#15968#15851
TOTALS4028460+3568
📊

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