Jie Du

Bib: 16833M

IL

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 43%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 45%
Division (M55-59)
#0 / 1529
Top 33%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:47
Rank: #14485
Start5K
7:59/mi
24:47 split
10K· 6.21 mi
49:04
Rank: #13614 (+871)
5K10K
7:49/mi
24:17 split
15K· 9.32 mi
1:13:16
Rank: #12981 (+633)
10K15K
7:47/mi
24:12 split
20K· 12.43 mi
1:37:45
Rank: #12384 (+597)
15K20K
7:53/mi
24:29 split
Half· 13.11 mi
1:42:53
Rank: #12203 (+181)
20KHalf
7:31/mi
5:08 split
25K· 15.53 mi
2:02:25
Rank: #11821 (+382)
Half25K
8:03/mi
19:32 split
30K· 18.64 mi
2:28:43
Rank: #11497 (+324)
25K30K
8:28/mi
26:18 split
20M
2:40:32
Rank: #11380 (+117)
30K20M
8:42/mi
11:49 split
21M
2:50:07
Rank: #11339 (+41)
20M21M
9:35/mi
9:35 split
35K· 21.75 mi
2:55:59
Rank: #11117 (+222)
21M35K
7:51/mi
5:52 split
23M
3:06:49
Rank: #10951 (+166)
35K23M
8:39/mi
10:50 split
24M
3:15:16
Rank: #10821 (+130)
23M24M
8:27/mi
8:27 split
40K· 24.85 mi
3:22:51
Rank: #10764 (+57)
24M40K
8:52/mi
7:35 split
25.2M
3:26:59
Rank: #10918 (-154)
40K25.2M
11:59/mi
4:08 split
Finish· 26.22 mi
3:36:26
Rank: #11089 (-171)
25.2MFinish
9:16/mi
9:27 split

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
Time1:42:53
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:53:33
Pace8:40 /mi
📊Positive Split: 10.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:0024:477:5924:47
7:59
-
10K
6.21 mi11:39:1749:047:5424:17
7:49
-0:10
15K
9.32 mi12:03:291:13:167:5224:12
7:47
-0:02
20K
12.43 mi12:27:581:37:457:5224:29
7:53
+0:06
Half
13.11 mi12:33:061:42:537:515:08
7:31
-0:22
25K
15.53 mi12:52:382:02:257:5319:32
8:03
+0:32
30K
18.64 mi13:18:562:28:437:5926:18
8:28
+0:25
20M
20.00 mi13:30:452:40:328:0211:49
8:42
+0:14
21M
21.00 mi13:40:202:50:078:069:35
9:35
+0:53
35K
21.75 mi13:46:122:55:598:065:52
7:51
-1:44
23M
23.00 mi13:57:023:06:498:0710:50
8:39
+0:48
24M
24.00 mi14:05:293:15:168:088:27
8:27
-0:12
40K
24.85 mi14:13:043:22:518:107:35
8:52
+0:25
25.2M
25.20 mi14:17:123:26:598:134:08
11:59
+3:07
Finish
26.22 mi14:26:393:36:268:169:27
9:16
-2:43

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

7:31 /mi

Average Pace

8:16 /mi

Slowest Pace

11:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:58

39% of race

Time at Steady Pace

1:49:18

51% of race

Time at Slower Pace

23:10

11% of race

Average Pace: 8:15 /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 mi11:15:0024:477:5924:47
7:59
#14485
10K
6.21 mi11:39:1749:047:5424:17
7:49
#13614
15K
9.32 mi12:03:291:13:167:5224:12
7:47
#12981
20K
12.43 mi12:27:581:37:457:5224:29
7:53
#12384
Half
13.11 mi12:33:061:42:537:515:08
7:31
#12203
25K
15.53 mi12:52:382:02:257:5319:32
8:03
#11821
30K
18.64 mi13:18:562:28:437:5926:18
8:28
#11497
20M
20.00 mi13:30:452:40:328:0211:49
8:42
#11380
21M
21.00 mi13:40:202:50:078:069:35
9:35
#11339
35K
21.75 mi13:46:122:55:598:065:52
7:51
#11117
23M
23.00 mi13:57:023:06:498:0710:50
8:39
#10951
24M
24.00 mi14:05:293:15:168:088:27
8:27
#10821
40K
24.85 mi14:13:043:22:518:107:35
8:52
#10764
25.2M
25.20 mi14:17:123:26:598:134:08
11:59
#10918
Finish
26.22 mi14:26:393:36:268:169:27
9:16
#11089
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi144859829982911838(Top 46%)8660(Top 59%)8660(Top 566%)
10K6.21 mi3.10 mi13614+8719483+3469483+34612776(Top 50%)9108(Top 62%)9108(Top 596%)
15K9.32 mi3.11 mi12981+6339207+2769207+27611838(Top 46%)8660(Top 59%)8660(Top 566%)
20K12.43 mi3.11 mi12384+5978934+2738934+27310973(Top 43%)8148(Top 56%)8148(Top 533%)
Half13.11 mi0.68 mi12203+1818837+978837+979287(Top 36%)7325(Top 50%)7325(Top 479%)
25K15.53 mi2.42 mi11821+3828625+2128625+21210549(Top 41%)7773(Top 53%)7773(Top 508%)
30K18.64 mi3.11 mi11497+3248380+2458380+24510468(Top 41%)7525(Top 52%)7525(Top 492%)
20M20.00 mi1.36 mi11380+1178283+978283+9710503(Top 41%)7275(Top 50%)7275(Top 476%)
21M21.00 mi1.00 mi11339+418202+818202+8111209(Top 44%)7330(Top 50%)7330(Top 479%)
35K21.75 mi0.75 mi11117+2228057+1458057+1456831(Top 27%)5157(Top 35%)5157(Top 337%)
23M23.00 mi1.25 mi10951+1667920+1377920+1379293(Top 36%)6248(Top 43%)6248(Top 409%)
24M24.00 mi1.00 mi10821+1307815+1057815+1059143(Top 36%)6116(Top 42%)6116(Top 400%)
40K24.85 mi0.85 mi10764+577730+857730+8510233(Top 40%)6527(Top 45%)6527(Top 427%)
25.2M25.20 mi0.35 mi10918-1547781-517781-5117278(Top 68%)10047(Top 69%)10047(Top 657%)
Finish26.22 mi1.02 mi11089-1717816-357816-3515447(Top 60%)9175(Top 63%)9175(Top 600%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

11838

Males

8660

M55-59

8660

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

12776

Males

9108

M55-59

9108

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

11838

Males

8660

M55-59

8660

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

10973

Males

8148

M55-59

8148

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

9287

Males

7325

M55-59

7325

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

10549

Males

7773

M55-59

7773

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

10468

Males

7525

M55-59

7525

30K→20M

18.6 - 20.0 mi

Top 41%
×5story building
+64ft-50ft

Overall

10503

Males

7275

M55-59

7275

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

11209

Males

7330

M55-59

7330

21M→35K

21.0 - 21.8 mi

Top 27%
×7story building
+17ft-86ft

Overall

6831

Males

5157

M55-59

5157

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

9293

Males

6248

M55-59

6248

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

9143

Males

6116

M55-59

6116

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10233

Males

6527

M55-59

6527

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

17278

Males

10047

M55-59

10047

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

15447

Males

9175

M55-59

9175

Passing Analysis

Category:
Athletes Passed
4420
Passed By
1024
Net Change
+3396
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14485
5K10K91645+871#14485#13614
10K15K65623+633#13614#12981
15K20K61922+597#12981#12384
20KHalf1821+181#12384#12203
Half25K44058+382#12203#11821
25K30K461137+324#11821#11497
30K20M19780+117#11497#11380
20M21M168127+41#11380#11339
21M35K2275+222#11339#11117
35K23M22256+166#11117#10951
23M24M15929+130#10951#10821
24M40K11558+57#10821#10764
40K25.2M17171-154#10764#10918
25.2MFinish41212-171#10918#11089
TOTALS44201024+3396
📊

Passing Visuals

Category:
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