Justin Irving

Chesterfield, MO

Bib: 10589 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 6791
Top 6%
Gender (Male)
#0 / 2951
Top 11%
Masters (Masters Men)
#0 / 1248
Top 6%
Division (M40-44)
#0 / 304
Top 11%
Race Day Weather
33°/23°F
few clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Mile 5
Mile 10
Start
0:00
Race begins
5K· 3.11 mi
7:38/mi
23:43
11872
10K· 6.21 mi
7:40/mi
47:33
105119
11M
7:31/mi
1:23:34
112140
Finish· 13.11 mi
9:21/mi
1:43:18
7370
Course Elevation
407ft
Total climb
79ft
Range
237 to 316 ft
403ft
Total descent
About the height of a seven-story building

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The Course

Half Splits

1st Half· via 10K
47:337:39 /mi⚡ faster
2nd Half
55:448:05 /mi+17.2%
Positive split — 17.2% slower in the second half

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
23:437:383.11 mi23:43
7:38
-
10K
47:337:393.10 mi23:50
7:40
+0:02
11M
1:23:347:364.79 mi36:01
7:31
-0:09
Finish(13.11 mi)
1:43:187:532.11 mi19:44
9:21
+1:50
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:31 /mi

Average Pace

7:53 /mi

Slowest Pace

9:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

1:23:34

81% of race

Time at Slower Pace

19:44

19% of race

Average Pace: 7:53 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Loading...
0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi339275275339275275
10K3.10 mi335+4270+5270+5356281281
11M4.79 mi395-60311-41311-41489366366
Finish(13.11 mi)2.11 mi422-27325-14325-14640449449

Segment Performance Analysis

Start → 5K

0.0 - 3.1 mi

Top 5%
258 ft304 ft
118ft72ft
46 ft

Overall

339

Males

275

M40-44

275

5K→10K

3.1 - 6.2 mi

Top 5%
304 ft290 ft
105ft119ft
57 ft

Overall

356

Males

281

M40-44

281

10K→11M

6.2 - 11.0 mi

Top 7%
289 ft260 ft
112ft140ft
51 ft

Overall

489

Males

366

M40-44

366

11M→Finish

11.0 - 13.1 mi

Top 9%
260 ft262 ft
73ft70ft
29 ft

Overall

640

Males

449

M40-44

449

Passing Analysis

No position changes recorded for this athlete.

Official Timing Data

ALSAC / St. Jude Children's Research Hospital

Sportstats