John Lai

Irving, TX

Bib: 156 M 51

0:00
0:00
/ mi
Masters
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Overall
#0 / 3420
Top 21%
Gender (Male)
#0 / 2358
Top 25%
Masters (Masters Men)
#0 / 785
Top 21%
Division (M50-54)
#0 / 140
Top 18%
Race Day Weather
57°/47°F
mist

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:12/mi
25:29
141118
10K· 6.21 mi
8:19/mi
51:20
13559
15K· 9.32 mi
8:20/mi
1:17:14
119113
20K· 12.43 mi
8:30/mi
1:43:39
98187
13.1M
8:41/mi
1:49:29
13
25K· 15.53 mi
9:01/mi
2:11:25
5268
31K· 19.26 mi
8:19/mi
2:42:26
15378
36K· 22.37 mi
11:12/mi
3:17:13
64154
Finish· 26.22 mi
9:50/mi
3:55:03
79112
Course Elevation
367604 ft
×20story building
872 ft climb · 918 ft descent

The Course

Half Splits

1st Half· via 13.1M
1:49:298:21 /mi⚡ faster
2nd Half
2:05:349:34 /mi+14.7%
Positive split — 14.7% slower in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
25:298:123.11 mi25:29
8:12
-
10K
51:208:163.10 mi25:51
8:19
+0:07
15K
1:17:148:173.11 mi25:54
8:20
+0:01
20K
1:43:398:203.11 mi26:25
8:30
+0:10
13.1M
1:49:298:210.67 mi5:50
8:41
+0:11
25K
2:11:258:282.43 mi21:56
9:01
+0:20
31K
2:42:268:263.73 mi31:01
8:19
-0:42
36K
3:17:138:493.11 mi34:47
11:12
+2:53
Finish(26.22 mi)
3:55:038:583.85 mi37:50
9:50
-1:22
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:12 /mi

Average Pace

8:58 /mi

Slowest Pace

11:12 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:20:30

60% of race

Time at Slower Pace

1:34:33

40% of race

Average Pace: 8:58 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi5774912175163625
10K3.10 mi614-37524-3322-165555425
15K3.11 mi651-37555-3123-175163625
20K3.11 mi665-14560-524-175764125
13.1M0.67 mi6655602473762325
25K2.43 mi667-2565-52475262726
31K3.73 mi681-14571-625-182767132
36K3.11 mi715-34596-2525100776833
Finish(26.22 mi)3.85 mi728-13594+22586864130

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×7story building
+141ft-118ft

Overall

751

Males

636

M50-54

25

5K→10K

3.1 - 6.2 mi

Top 19%
×10story building
+135ft-59ft

Overall

655

Males

554

M50-54

25

10K→15K

6.2 - 9.3 mi

Top 22%
×3story building
+119ft-113ft

Overall

751

Males

636

M50-54

25

15K→20K

9.3 - 12.4 mi

Top 22%
×9story building
+98ft-187ft

Overall

757

Males

641

M50-54

25

20K→13.1M

12.4 - 13.1 mi

Top 22%
×1story
+9ft-13ft

Overall

737

Males

623

M50-54

25

13.1M→25K

13.1 - 15.5 mi

Top 22%
×2story building
+52ft-68ft

Overall

752

Males

627

M50-54

26

25K→31K

15.5 - 19.3 mi

Top 24%
×10story building
+153ft-78ft

Overall

827

Males

671

M50-54

32

31K→36K

19.3 - 22.4 mi

Top 29%
×8story building
+64ft-154ft

Overall

1007

Males

768

M50-54

33

36K→Finish

22.4 - 26.2 mi

Top 25%
×8story building
+79ft-112ft

Overall

868

Males

641

M50-54

30

Passing Analysis

Category:
Net Change
0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#577
5K10K
6427-37
#577 #614
10K15K
4811-37
#614 #651
15K20K
2511-14
#651 #665
20K13.1M
330
#665 #665
13.1M25K
1917-2
#665 #667
25K31K
4430-14
#667 #681
31K36K
6228-34
#681 #715
36KFinish
5441-13
#715 #728
TOTALS
319168-151
#577 #728

Passing Visualized

Category:
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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

Dallas White Rock Marathon

MyChipTime