Youchang Zhang

Bib: 11684M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 37%
Gender (Male)
#0 / 14578
Top 49%
Masters (Masters Men)
#0 / 9729
Top 39%
Division (M50-54)
#0 / 1935
Top 40%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
22:23
Rank: #8454
Start5K
22:23 | 7:12/mi
10K· 6.21 mi
45:04
Rank: #8529 (-75)
5K10K
22:41 | 7:18/mi
15K· 9.32 mi
1:08:06
Rank: #8658 (-129)
10K15K
23:02 | 7:25/mi
20K· 12.43 mi
1:32:08
Rank: #8959 (-301)
15K20K
24:02 | 7:44/mi
Half· 13.11 mi
1:37:24
Rank: #9058 (-99)
20KHalf
5:16 | 7:43/mi
25K· 15.53 mi
1:56:45
Rank: #9198 (-140)
Half25K
19:21 | 7:59/mi
30K· 18.64 mi
2:22:53
Rank: #9298 (-100)
25K30K
26:08 | 8:25/mi
20M
2:34:43
Rank: #9344 (-46)
30K20M
11:50 | 8:42/mi
21M
2:44:18
Rank: #9396 (-52)
20M21M
9:35 | 9:35/mi
35K· 21.75 mi
2:50:26
Rank: #9335 (+61)
21M35K
6:08 | 8:12/mi
23M
3:01:21
Rank: #9276 (+59)
35K23M
10:55 | 8:43/mi
24M
3:09:59
Rank: #9314 (-38)
23M24M
8:38 | 8:38/mi
40K· 24.85 mi
3:17:28
Rank: #9319 (-5)
24M40K
7:29 | 8:45/mi
25.2M
3:20:52
Rank: #9337 (-18)
40K25.2M
3:24 | 9:52/mi
Finish· 26.22 mi
3:29:56
Rank: #9547 (-210)
25.2MFinish
9:04 | 8:54/mi

Course Map & Elevation

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
Time1:37:24
Pace7:26 /mi
2nd Half
Distance13.11 mi
Time1:52:32
Pace8:35 /mi
📊Positive Split: 15.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:5022:237:1222:23
7:12
-
10K
6.21 mi11:17:3145:047:1522:41
7:18
+0:06
15K
9.32 mi11:40:331:08:067:1823:02
7:25
+0:07
20K
12.43 mi12:04:351:32:087:2524:02
7:44
+0:19
Half
13.11 mi12:09:511:37:247:265:16
7:43
-0:01
25K
15.53 mi12:29:121:56:457:3119:21
7:59
+0:16
30K
18.64 mi12:55:202:22:537:4026:08
8:25
+0:26
20M
20.00 mi13:07:102:34:437:4411:50
8:42
+0:17
21M
21.00 mi13:16:452:44:187:499:35
9:35
+0:53
35K
21.75 mi13:22:532:50:267:506:08
8:12
-1:23
23M
23.00 mi13:33:483:01:217:5310:55
8:43
+0:31
24M
24.00 mi13:42:263:09:597:558:38
8:38
-0:05
40K
24.85 mi13:49:553:17:287:577:29
8:45
+0:07
25.2M
25.20 mi13:53:193:20:527:583:24
9:52
+1:07
Finish
26.22 mi14:02:233:29:568:019:04
8:54
-0:58

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

7:12 /mi

Average Pace

8:01 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:56:45

56% of race

Time at Steady Pace

1:11:08

34% of race

Time at Slower Pace

22:03

11% of race

Average Pace: 8:00 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:54:5022:237:1222:23
7:12
#8454
10K
6.21 mi11:17:3145:047:1522:41
7:18
#8529
15K
9.32 mi11:40:331:08:067:1823:02
7:25
#8658
20K
12.43 mi12:04:351:32:087:2524:02
7:44
#8959
Half
13.11 mi12:09:511:37:247:265:16
7:43
#9058
25K
15.53 mi12:29:121:56:457:3119:21
7:59
#9198
30K
18.64 mi12:55:202:22:537:4026:08
8:25
#9298
20M
20.00 mi13:07:102:34:437:4411:50
8:42
#9344
21M
21.00 mi13:16:452:44:187:499:35
9:35
#9396
35K
21.75 mi13:22:532:50:267:506:08
8:12
#9335
23M
23.00 mi13:33:483:01:217:5310:55
8:43
#9276
24M
24.00 mi13:42:263:09:597:558:38
8:38
#9314
40K
24.85 mi13:49:553:17:287:577:29
8:45
#9319
25.2M
25.20 mi13:53:193:20:527:583:24
9:52
#9337
Finish
26.22 mi14:02:233:29:568:019:04
8:54
#9547
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi8454707770778988(Top 35%)7277(Top 50%)7277(Top 376%)
10K6.21 mi3.10 mi8529-757090-137090-138684(Top 34%)7163(Top 49%)7163(Top 370%)
15K9.32 mi3.11 mi8658-1297158-687158-688988(Top 35%)7277(Top 50%)7277(Top 376%)
20K12.43 mi3.11 mi8959-3017293-1357293-1359977(Top 39%)7638(Top 52%)7638(Top 395%)
Half13.11 mi0.68 mi9058-997338-457338-4510673(Top 42%)8002(Top 55%)8002(Top 414%)
25K15.53 mi2.42 mi9198-1407380-427380-4210059(Top 39%)7524(Top 52%)7524(Top 389%)
30K18.64 mi3.11 mi9298-1007321+597321+5910179(Top 40%)7364(Top 51%)7364(Top 381%)
20M20.00 mi1.36 mi9344-467290+317290+3110567(Top 41%)7298(Top 50%)7298(Top 377%)
21M21.00 mi1.00 mi9396-527239+517239+5111205(Top 44%)7326(Top 50%)7326(Top 379%)
35K21.75 mi0.75 mi9335+617174+657174+658946(Top 35%)6230(Top 43%)6230(Top 322%)
23M23.00 mi1.25 mi9276+597081+937081+939644(Top 38%)6412(Top 44%)6412(Top 331%)
24M24.00 mi1.00 mi9314-387056+257056+2510202(Top 40%)6632(Top 45%)6632(Top 343%)
40K24.85 mi0.85 mi9319-57017+397017+399618(Top 38%)6215(Top 43%)6215(Top 321%)
25.2M25.20 mi0.35 mi9337-187009+87009+810311(Top 40%)6514(Top 45%)6514(Top 337%)
Finish26.22 mi1.02 mi9547-2107082-737082-7313682(Top 54%)8328(Top 57%)8328(Top 430%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21stories
+97ft-345ft

Overall

8988

Males

7277

M50-54

7277

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

8684

Males

7163

M50-54

7163

10K→15K

6.2 - 9.3 mi

Top 35%
×3stories
+67ft-78ft

Overall

8988

Males

7277

M50-54

7277

15K→20K

9.3 - 12.4 mi

Top 39%
×5stories
+106ft-86ft

Overall

9977

Males

7638

M50-54

7638

20K→Half

12.4 - 13.1 mi

Top 42%
×2stories
+19ft-37ft

Overall

10673

Males

8002

M50-54

8002

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

10059

Males

7524

M50-54

7524

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

10179

Males

7364

M50-54

7364

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

10567

Males

7298

M50-54

7298

20M→21M

20.0 - 21.0 mi

Top 44%
×8stories
+106ft-24ft

Overall

11205

Males

7326

M50-54

7326

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

8946

Males

6230

M50-54

6230

35K→23M

21.8 - 23.0 mi

Top 38%
×5stories
+23ft-63ft

Overall

9644

Males

6412

M50-54

6412

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

10202

Males

6632

M50-54

6632

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

9618

Males

6215

M50-54

6215

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10311

Males

6514

M50-54

6514

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2stories
+22ft-21ft

Overall

13682

Males

8328

M50-54

8328

Passing Analysis

Category:
Athletes Passed
1624
Passed By
2717
Net Change
-1093
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8454
5K10K205280-75#8454#8529
10K15K138267-129#8529#8658
15K20K118419-301#8658#8959
20KHalf12111-99#8959#9058
Half25K157297-140#9058#9198
25K30K238338-100#9198#9298
30K20M124170-46#9298#9344
20M21M121173-52#9344#9396
21M35K9736+61#9396#9335
35K23M166107+59#9335#9276
23M24M83121-38#9276#9314
24M40K8994-5#9314#9319
40K25.2M4058-18#9319#9337
25.2MFinish36246-210#9337#9547
TOTALS16242717-1093
📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

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