Zhenfei Lu

Bib: 6141M

CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 22%
Gender (Male)
#0 / 15176
Top 35%
Masters (Masters Men)
#0 / 9891
Top 21%
Division (M45-49)
#0 / 2252
Top 27%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:53
Rank: #6507
Start5K
21:53 | 7:03/mi
10K· 6.21 mi
44:07
Rank: #7098 (-591)
5K10K
22:14 | 7:09/mi
15K· 9.32 mi
1:06:31
Rank: #7332 (-234)
10K15K
22:24 | 7:13/mi
20K· 12.43 mi
1:28:44
Rank: #7155 (+177)
15K20K
22:13 | 7:09/mi
Half· 13.11 mi
1:33:33
Rank: #7149 (+6)
20KHalf
4:49 | 7:04/mi
25K· 15.53 mi
1:50:57
Rank: #7017 (+132)
Half25K
17:24 | 7:11/mi
30K· 18.64 mi
2:13:27
Rank: #6741 (+276)
25K30K
22:30 | 7:15/mi
20M
2:23:22
Rank: #6637 (+104)
30K20M
9:55 | 7:18/mi
21M
2:31:04
Rank: #6544 (+93)
20M21M
7:42 | 7:42/mi
35K· 21.75 mi
2:36:22
Rank: #6481 (+63)
21M35K
5:18 | 7:05/mi
23M
2:45:32
Rank: #6384 (+97)
35K23M
9:10 | 7:19/mi
24M
2:52:35
Rank: #6261 (+123)
23M24M
7:03 | 7:03/mi
40K· 24.85 mi
2:58:44
Rank: #6180 (+81)
24M40K
6:09 | 7:12/mi
25.2M
3:01:16
Rank: #6108 (+72)
40K25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
3:08:12
Rank: #5987 (+121)
25.2MFinish
6:56 | 6:48/mi

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
Time1:33:33
Pace7:08 /mi
2nd Half
Distance13.11 mi
Time1:34:39
Pace7:13 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:0621:537:0321:53
7:03
-
10K
6.21 mi10:47:2044:077:0622:14
7:09
+0:06
15K
9.32 mi11:09:441:06:317:0822:24
7:13
+0:04
20K
12.43 mi11:31:571:28:447:0822:13
7:09
-0:04
Half
13.11 mi11:36:461:33:337:084:49
7:04
-0:05
25K
15.53 mi11:54:101:50:577:0917:24
7:11
+0:07
30K
18.64 mi12:16:402:13:277:1022:30
7:15
+0:04
20M
20.00 mi12:26:352:23:227:109:55
7:18
+0:03
21M
21.00 mi12:34:172:31:047:127:42
7:42
+0:24
35K
21.75 mi12:39:352:36:227:115:18
7:05
-0:37
23M
23.00 mi12:48:452:45:327:129:10
7:19
+0:14
24M
24.00 mi12:55:482:52:357:117:03
7:03
-0:16
40K
24.85 mi13:01:572:58:447:116:09
7:12
+0:09
25.2M
25.20 mi13:04:293:01:167:122:32
7:21
+0:09
Finish
26.22 mi13:11:253:08:127:116:56
6:48
-0:33

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

6:48 /mi

Average Pace

7:11 /mi

Slowest Pace

7:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00:30

96% of race

Time at Steady Pace

7:42

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:11 /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 mi10:25:0621:537:0321:53
7:03
#6507
10K
6.21 mi10:47:2044:077:0622:14
7:09
#7098
15K
9.32 mi11:09:441:06:317:0822:24
7:13
#7332
20K
12.43 mi11:31:571:28:447:0822:13
7:09
#7155
Half
13.11 mi11:36:461:33:337:084:49
7:04
#7149
25K
15.53 mi11:54:101:50:577:0917:24
7:11
#7017
30K
18.64 mi12:16:402:13:277:1022:30
7:15
#6741
20M
20.00 mi12:26:352:23:227:109:55
7:18
#6637
21M
21.00 mi12:34:172:31:047:127:42
7:42
#6544
35K
21.75 mi12:39:352:36:227:115:18
7:05
#6481
23M
23.00 mi12:48:452:45:327:129:10
7:19
#6384
24M
24.00 mi12:55:482:52:357:117:03
7:03
#6261
40K
24.85 mi13:01:572:58:447:116:09
7:12
#6180
25.2M
25.20 mi13:04:293:01:167:122:32
7:21
#6108
Finish
26.22 mi13:11:253:08:127:116:56
6:48
#5987
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6507589158917848(Top 29%)6817(Top 45%)6817(Top 303%)
10K6.21 mi3.10 mi7098-5916331-4406331-4407798(Top 29%)6799(Top 45%)6799(Top 302%)
15K9.32 mi3.11 mi7332-2346500-1696500-1697848(Top 29%)6817(Top 45%)6817(Top 303%)
20K12.43 mi3.11 mi7155+1776362+1386362+1386801(Top 26%)6063(Top 40%)6063(Top 269%)
Half13.11 mi0.68 mi7149+66359+36359+36863(Top 26%)6120(Top 40%)6120(Top 272%)
25K15.53 mi2.42 mi7017+1326249+1106249+1106528(Top 25%)5818(Top 38%)5818(Top 258%)
30K18.64 mi3.11 mi6741+2766022+2276022+2275719(Top 21%)5161(Top 34%)5161(Top 229%)
20M20.00 mi1.36 mi6637+1045926+965926+965619(Top 21%)5012(Top 33%)5012(Top 223%)
21M21.00 mi1.00 mi6544+935847+795847+795612(Top 21%)4913(Top 32%)4913(Top 218%)
35K21.75 mi0.75 mi6481+635789+585789+585809(Top 22%)5099(Top 34%)5099(Top 226%)
23M23.00 mi1.25 mi6384+975711+785711+785422(Top 20%)4775(Top 31%)4775(Top 212%)
24M24.00 mi1.00 mi6261+1235610+1015610+1014916(Top 18%)4368(Top 29%)4368(Top 194%)
40K24.85 mi0.85 mi6180+815535+755535+754846(Top 18%)4246(Top 28%)4246(Top 189%)
25.2M25.20 mi0.35 mi6108+725476+595476+593229(Top 12%)2952(Top 19%)2952(Top 131%)
Finish26.22 mi1.02 mi5987+1215372+1045372+1044096(Top 15%)3617(Top 24%)3617(Top 161%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21stories
+97ft-345ft

Overall

7848

Males

6817

M45-49

6817

5K→10K

3.1 - 6.2 mi

Top 29%
×5stories
+79ft-138ft

Overall

7798

Males

6799

M45-49

6799

10K→15K

6.2 - 9.3 mi

Top 29%
×3stories
+67ft-78ft

Overall

7848

Males

6817

M45-49

6817

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

6801

Males

6063

M45-49

6063

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

6863

Males

6120

M45-49

6120

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

6528

Males

5818

M45-49

5818

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5719

Males

5161

M45-49

5161

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5619

Males

5012

M45-49

5012

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5612

Males

4913

M45-49

4913

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

5809

Males

5099

M45-49

5099

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5422

Males

4775

M45-49

4775

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

4916

Males

4368

M45-49

4368

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4846

Males

4246

M45-49

4246

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3229

Males

2952

M45-49

2952

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

4096

Males

3617

M45-49

3617

Passing Analysis

Category:
Athletes Passed
1613
Passed By
1093
Net Change
+520
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6507
5K10K34625-591#6507#7098
10K15K59293-234#7098#7332
15K20K20730+177#7332#7155
20KHalf1913+6#7155#7149
Half25K15422+132#7149#7017
25K30K29014+276#7017#6741
30K20M12420+104#6741#6637
20M21M10714+93#6637#6544
21M35K7613+63#6544#6481
35K23M11720+97#6481#6384
23M24M1318+123#6384#6261
24M40K9413+81#6261#6180
40K25.2M731+72#6180#6108
25.2MFinish1287+121#6108#5987
TOTALS16131093+520
📊

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