Jianfeng Hong

Bib: 19091M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:46
Rank: #21404
Start5K
28:46 | 9:16/mi
10K· 6.21 mi
58:29
Rank: #22079 (-675)
5K10K
29:43 | 9:34/mi
15K· 9.32 mi
1:28:32
Rank: #22307 (-228)
10K15K
30:03 | 9:40/mi
20K· 12.43 mi
2:01:13
Rank: #22806 (-499)
15K20K
32:41 | 10:31/mi
Half· 13.11 mi
2:07:37
Rank: #22754 (+52)
20KHalf
6:24 | 9:23/mi
25K· 15.53 mi
2:31:34
Rank: #22599 (+155)
Half25K
23:57 | 9:53/mi
30K· 18.64 mi
3:02:52
Rank: #22353 (+246)
25K30K
31:18 | 10:04/mi
20M
3:17:07
Rank: #22297 (+56)
30K20M
14:15 | 10:29/mi
21M
3:28:09
Rank: #22197 (+100)
20M21M
11:02 | 11:02/mi
35K· 21.75 mi
3:35:06
Rank: #22104 (+93)
21M35K
6:57 | 9:17/mi
23M
3:47:42
Rank: #22013 (+91)
35K23M
12:36 | 10:04/mi
24M
3:57:27
Rank: #21934 (+79)
23M24M
9:45 | 9:45/mi
40K· 24.85 mi
4:06:37
Rank: #21921 (+13)
24M40K
9:10 | 10:43/mi
25.2M
4:10:37
Rank: #21923 (-2)
40K25.2M
4:00 | 11:36/mi
Finish· 26.22 mi
4:20:35
Rank: #21890 (+33)
25.2MFinish
9:58 | 9:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:07:37
Pace9:44 /mi
2nd Half
Distance13.11 mi
Time2:12:58
Pace10:09 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:1228:469:1628:46
9:16
-
10K
6.21 mi11:54:5558:299:2529:43
9:34
+0:18
15K
9.32 mi12:24:581:28:329:3030:03
9:40
+0:06
20K
12.43 mi12:57:392:01:139:4532:41
10:31
+0:51
Half
13.11 mi13:04:032:07:379:446:24
9:23
-1:08
25K
15.53 mi13:28:002:31:349:4523:57
9:53
+0:30
30K
18.64 mi13:59:183:02:529:4931:18
10:04
+0:11
20M
20.00 mi14:13:333:17:079:5114:15
10:29
+0:25
21M
21.00 mi14:24:353:28:099:5511:02
11:02
+0:33
35K
21.75 mi14:31:323:35:069:536:57
9:17
-1:45
23M
23.00 mi14:44:083:47:429:5412:36
10:04
+0:47
24M
24.00 mi14:53:533:57:279:549:45
9:45
-0:19
40K
24.85 mi15:03:034:06:379:559:10
10:43
+0:58
25.2M
25.20 mi15:07:034:10:379:574:00
11:36
+0:53
Finish
26.22 mi15:17:014:20:359:579:58
9:47
-1:49

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

9:16 /mi

Average Pace

9:57 /mi

Slowest Pace

11:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

42:07

16% of race

Time at Steady Pace

2:27:20

57% of race

Time at Slower Pace

1:11:08

27% of race

Average Pace: 9:56 /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 mi11:25:1228:469:1628:46
9:16
#21404
10K
6.21 mi11:54:5558:299:2529:43
9:34
#22079
15K
9.32 mi12:24:581:28:329:3030:03
9:40
#22307
20K
12.43 mi12:57:392:01:139:4532:41
10:31
#22806
Half
13.11 mi13:04:032:07:379:446:24
9:23
#22754
25K
15.53 mi13:28:002:31:349:4523:57
9:53
#22599
30K
18.64 mi13:59:183:02:529:4931:18
10:04
#22353
20M
20.00 mi14:13:333:17:079:5114:15
10:29
#22297
21M
21.00 mi14:24:353:28:099:5511:02
11:02
#22197
35K
21.75 mi14:31:323:35:069:536:57
9:17
#22104
23M
23.00 mi14:44:083:47:429:5412:36
10:04
#22013
24M
24.00 mi14:53:533:57:279:549:45
9:45
#21934
40K
24.85 mi15:03:034:06:379:559:10
10:43
#21921
25.2M
25.20 mi15:07:034:10:379:574:00
11:36
#21923
Finish
26.22 mi15:17:014:20:359:579:58
9:47
#21890
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi21404128041280422724(Top 85%)13503(Top 89%)13503(Top 950%)
10K6.21 mi3.10 mi22079-67513164-36013164-36022691(Top 85%)13483(Top 89%)13483(Top 948%)
15K9.32 mi3.11 mi22307-22813295-13113295-13122724(Top 85%)13503(Top 89%)13503(Top 950%)
20K12.43 mi3.11 mi22806-49913540-24513540-24523867(Top 90%)14014(Top 92%)14014(Top 986%)
Half13.11 mi0.68 mi22754+5213516+2413516+2421748(Top 82%)13069(Top 86%)13069(Top 919%)
25K15.53 mi2.42 mi22599+15513425+9113425+9121919(Top 82%)13103(Top 86%)13103(Top 921%)
30K18.64 mi3.11 mi22353+24613293+13213293+13221224(Top 80%)12728(Top 84%)12728(Top 895%)
20M20.00 mi1.36 mi22297+5613267+2613267+2621696(Top 81%)12868(Top 85%)12868(Top 905%)
21M21.00 mi1.00 mi22197+10013212+5513212+5520900(Top 79%)12479(Top 82%)12479(Top 878%)
35K21.75 mi0.75 mi22104+9313159+5313159+5319109(Top 72%)11648(Top 77%)11648(Top 819%)
23M23.00 mi1.25 mi22013+9113113+4613113+4620167(Top 76%)12094(Top 80%)12094(Top 850%)
24M24.00 mi1.00 mi21934+7913072+4113072+4120057(Top 75%)12035(Top 79%)12035(Top 846%)
40K24.85 mi0.85 mi21921+1313050+2213050+2221749(Top 82%)12712(Top 84%)12712(Top 894%)
25.2M25.20 mi0.35 mi21923-213045+513045+521744(Top 82%)12738(Top 84%)12738(Top 896%)
Finish26.22 mi1.02 mi21890+3313018+2713018+2721077(Top 79%)12458(Top 82%)12458(Top 876%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

22724

Males

13503

M55-59

13503

5K→10K

3.1 - 6.2 mi

Top 85%
×5stories
+79ft-138ft

Overall

22691

Males

13483

M55-59

13483

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

22724

Males

13503

M55-59

13503

15K→20K

9.3 - 12.4 mi

Top 90%
×5stories
+106ft-86ft

Overall

23867

Males

14014

M55-59

14014

20K→Half

12.4 - 13.1 mi

Top 82%
×2stories
+19ft-37ft

Overall

21748

Males

13069

M55-59

13069

Half→25K

13.1 - 15.5 mi

Top 82%
×4stories
+66ft-88ft

Overall

21919

Males

13103

M55-59

13103

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

21224

Males

12728

M55-59

12728

30K→20M

18.6 - 20.0 mi

Top 81%
×5stories
+64ft-50ft

Overall

21696

Males

12868

M55-59

12868

20M→21M

20.0 - 21.0 mi

Top 79%
×8stories
+106ft-24ft

Overall

20900

Males

12479

M55-59

12479

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

19109

Males

11648

M55-59

11648

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

20167

Males

12094

M55-59

12094

23M→24M

23.0 - 24.0 mi

Top 75%
×6stories
+12ft-82ft

Overall

20057

Males

12035

M55-59

12035

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

21749

Males

12712

M55-59

12712

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21744

Males

12738

M55-59

12738

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2stories
+22ft-21ft

Overall

21077

Males

12458

M55-59

12458

Passing Analysis

Category:
Athletes Passed
1289
Passed By
1775
Net Change
-486
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21404
5K10K61736-675#21404#22079
10K15K94322-228#22079#22307
15K20K34533-499#22307#22806
20KHalf597+52#22806#22754
Half25K17722+155#22754#22599
25K30K26721+246#22599#22353
30K20M8630+56#22353#22297
20M21M11717+100#22297#22197
21M35K941+93#22197#22104
35K23M10514+91#22104#22013
23M24M867+79#22013#21934
24M40K4128+13#21934#21921
40K25.2M1719-2#21921#21923
25.2MFinish5118+33#21923#21890
TOTALS12891775-486
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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