Alexander Castellon

Ontario

Bib: 38082 M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 54109
Gender (Male)
#0 / 29548
Division (M30-34)
#0 / 4787
Race Day Weather
54°/44°F
few clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:17/mi
28:50
↑ 52↓ 48
10K· 6.21 mi
9:34/mi
58:33
↑ 25↓ 31
15K· 9.32 mi
9:37/mi
1:28:26
↑ 12↓ 13
20K· 12.43 mi
10:31/mi
2:01:07
↑ 18↓ 17
Half· 13.11 mi
10:46/mi
2:08:28
↑ 13
25K· 15.53 mi
10:59/mi
2:35:05
↑ 22↓ 30
30K· 18.64 mi
11:52/mi
3:11:58
↑ 13↓ 12
35K· 21.75 mi
12:05/mi
3:49:31
↑ 27↓ 27
40K· 24.85 mi
12:33/mi
4:28:30
↑ 16↓ 11
Finish· 26.22 mi
11:26/mi
4:44:05
↑ 23↓ 20
Course Elevation
227ft
Total climb
32ft
Range
589 to 621 ft
221ft
Total descent
About the height of a three-story building

The Course

Half Splits

1st Half· via Half
2:08:289:48 /mi⚡ faster
2nd Half
2:35:3711:52 /mi+21.1%
Positive split — 21.1% slower in the second half
AI Race Performance Report

Alexander's race, broken down like a coach

The full Race Story, performance analysis, segment & passing breakdowns, and where the race turned. Free to unlock — for anyone.

Free account · no payment

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
28:509:173.11 mi28:50
9:17
-
10K
58:339:253.10 mi29:43
9:34
+0:17
15K
1:28:269:293.11 mi29:53
9:37
+0:03
20K
2:01:079:453.11 mi32:41
10:31
+0:54
Half(13.11 mi)
2:08:289:480.68 mi7:21
10:46
+0:15
25K
2:35:059:592.42 mi26:37
10:59
+0:13
30K
3:11:5810:183.11 mi36:53
11:52
+0:53
35K
3:49:3110:333.11 mi37:33
12:05
+0:13
40K
4:28:3010:483.10 mi38:59
12:33
+0:28
Finish(26.22 mi)
4:44:0510:511.37 mi15:35
11:26
-1:07
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Alexander's race

Checkpoint splits, rankings, passing analysis and qualifying. One free sign-in reveals them here — and on every race you look up.

Public Race Data

Chicago Event Management

Chicago Event Management

Mika Timing

Mika Timing