Shengxi Duan

Bib: 6307M

IL

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 17%
Gender (Male)
#0 / 14578
Top 27%
Masters (Masters Men)
#0 / 9729
Top 15%
Division (M50-54)
#0 / 1935
Top 10%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:15
Rank: #5956
Start5K
21:15 | 6:50/mi
10K· 6.21 mi
42:46
Rank: #6046 (-90)
5K10K
21:31 | 6:56/mi
15K· 9.32 mi
1:04:20
Rank: #5953 (+93)
10K15K
21:34 | 6:56/mi
20K· 12.43 mi
1:26:33
Rank: #5954 (-1)
15K20K
22:13 | 7:09/mi
Half· 13.11 mi
1:31:17
Rank: #5894 (+60)
20KHalf
4:44 | 6:56/mi
25K· 15.53 mi
1:48:55
Rank: #5796 (+98)
Half25K
17:38 | 7:16/mi
30K· 18.64 mi
2:12:04
Rank: #5490 (+306)
25K30K
23:09 | 7:27/mi
20M
2:22:16
Rank: #5317 (+173)
30K20M
10:12 | 7:30/mi
21M
2:30:15
Rank: #5145 (+172)
20M21M
7:59 | 7:59/mi
35K· 21.75 mi
2:35:47
Rank: #5059 (+86)
21M35K
5:32 | 7:24/mi
23M
2:45:06
Rank: #4858 (+201)
35K23M
9:19 | 7:26/mi
24M
2:52:16
Rank: #4684 (+174)
23M24M
7:10 | 7:10/mi
40K· 24.85 mi
2:58:30
Rank: #4514 (+170)
24M40K
6:14 | 7:17/mi
25.2M
3:01:20
Rank: #4449 (+65)
40K25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:08:30
Rank: #4339 (+110)
25.2MFinish
7:10 | 7:02/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
Time1:31:17
Pace6:58 /mi
2nd Half
Distance13.11 mi
Time1:37:13
Pace7:25 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:3121:156:5021:15
6:50
-
10K
6.21 mi10:48:0242:466:5321:31
6:56
+0:06
15K
9.32 mi11:09:361:04:206:5421:34
6:56
0:00
20K
12.43 mi11:31:491:26:336:5822:13
7:09
+0:13
Half
13.11 mi11:36:331:31:176:584:44
6:56
-0:13
25K
15.53 mi11:54:111:48:557:0117:38
7:16
+0:20
30K
18.64 mi12:17:202:12:047:0523:09
7:27
+0:11
20M
20.00 mi12:27:322:22:167:0710:12
7:30
+0:03
21M
21.00 mi12:35:312:30:157:097:59
7:59
+0:29
35K
21.75 mi12:41:032:35:477:105:32
7:24
-0:35
23M
23.00 mi12:50:222:45:067:119:19
7:26
+0:02
24M
24.00 mi12:57:322:52:167:117:10
7:10
-0:16
40K
24.85 mi13:03:462:58:307:116:14
7:17
+0:07
25.2M
25.20 mi13:06:363:01:207:122:50
8:13
+0:56
Finish
26.22 mi13:13:463:08:307:127:10
7:02
-1:11

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

6:50 /mi

Average Pace

7:12 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:14

40% of race

Time at Steady Pace

1:31:15

48% of race

Time at Slower Pace

21:01

11% 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 mi10:26:3121:156:5021:15
6:50
#5956
10K
6.21 mi10:48:0242:466:5321:31
6:56
#6046
15K
9.32 mi11:09:361:04:206:5421:34
6:56
#5953
20K
12.43 mi11:31:491:26:336:5822:13
7:09
#5954
Half
13.11 mi11:36:331:31:176:584:44
6:56
#5894
25K
15.53 mi11:54:111:48:557:0117:38
7:16
#5796
30K
18.64 mi12:17:202:12:047:0523:09
7:27
#5490
20M
20.00 mi12:27:322:22:167:0710:12
7:30
#5317
21M
21.00 mi12:35:312:30:157:097:59
7:59
#5145
35K
21.75 mi12:41:032:35:477:105:32
7:24
#5059
23M
23.00 mi12:50:222:45:067:119:19
7:26
#4858
24M
24.00 mi12:57:322:52:167:117:10
7:10
#4684
40K
24.85 mi13:03:462:58:307:116:14
7:17
#4514
25.2M
25.20 mi13:06:363:01:207:122:50
8:13
#4449
Finish
26.22 mi13:13:463:08:307:127:10
7:02
#4339
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi5956541154115853(Top 23%)5276(Top 36%)5276(Top 273%)
10K6.21 mi3.10 mi6046-905461-505461-506168(Top 24%)5535(Top 38%)5535(Top 286%)
15K9.32 mi3.11 mi5953+935387+745387+745853(Top 23%)5276(Top 36%)5276(Top 273%)
20K12.43 mi3.11 mi5954-15360+275360+276090(Top 24%)5378(Top 37%)5378(Top 278%)
Half13.11 mi0.68 mi5894+605313+475313+475347(Top 21%)4831(Top 33%)4831(Top 250%)
25K15.53 mi2.42 mi5796+985215+985215+985657(Top 22%)4947(Top 34%)4947(Top 256%)
30K18.64 mi3.11 mi5490+3064923+2924923+2924850(Top 19%)4242(Top 29%)4242(Top 219%)
20M20.00 mi1.36 mi5317+1734774+1494774+1494327(Top 17%)3791(Top 26%)3791(Top 196%)
21M21.00 mi1.00 mi5145+1724619+1554619+1554087(Top 16%)3499(Top 24%)3499(Top 181%)
35K21.75 mi0.75 mi5059+864530+894530+894579(Top 18%)3849(Top 26%)3849(Top 199%)
23M23.00 mi1.25 mi4858+2014359+1714359+1713410(Top 13%)2979(Top 20%)2979(Top 154%)
24M24.00 mi1.00 mi4684+1744199+1604199+1602895(Top 11%)2540(Top 17%)2540(Top 131%)
40K24.85 mi0.85 mi4514+1704037+1624037+1622788(Top 11%)2424(Top 17%)2424(Top 125%)
25.2M25.20 mi0.35 mi4449+653977+603977+603425(Top 13%)2809(Top 19%)2809(Top 145%)
Finish26.22 mi1.02 mi4339+1103870+1073870+1073278(Top 13%)2721(Top 19%)2721(Top 141%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

5853

Males

5276

M50-54

5276

5K→10K

3.1 - 6.2 mi

Top 24%
×5stories
+79ft-138ft

Overall

6168

Males

5535

M50-54

5535

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

5853

Males

5276

M50-54

5276

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6090

Males

5378

M50-54

5378

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5347

Males

4831

M50-54

4831

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

5657

Males

4947

M50-54

4947

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

4850

Males

4242

M50-54

4242

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4327

Males

3791

M50-54

3791

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4087

Males

3499

M50-54

3499

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4579

Males

3849

M50-54

3849

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3410

Males

2979

M50-54

2979

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

2895

Males

2540

M50-54

2540

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

2788

Males

2424

M50-54

2424

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3425

Males

2809

M50-54

2809

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3278

Males

2721

M50-54

2721

Passing Analysis

Category:
Athletes Passed
2384
Passed By
767
Net Change
+1617
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5956
5K10K160250-90#5956#6046
10K15K18794+93#6046#5953
15K20K163164-1#5953#5954
20KHalf655+60#5954#5894
Half25K19698+98#5894#5796
25K30K36660+306#5796#5490
30K20M19825+173#5490#5317
20M21M18715+172#5317#5145
21M35K10418+86#5145#5059
35K23M21514+201#5059#4858
23M24M1773+174#4858#4684
24M40K1744+170#4684#4514
40K25.2M705+65#4514#4449
25.2MFinish12212+110#4449#4339
TOTALS2384767+1617
📊

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