Aron Leifsson

Kopavogur

Bib: 29313 M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 54109
Top 26%
Gender (Male)
#0 / 29548
Top 35%
Masters (Masters Men)
#0 / 14666
Top 30%
Division (M40-44)
#0 / 4329
Top 38%
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
7:56/mi
24:40
↑ 52↓ 48
10K· 6.21 mi
7:58/mi
49:26
↑ 25↓ 31
15K· 9.32 mi
7:55/mi
1:14:02
↑ 12↓ 13
20K· 12.43 mi
8:04/mi
1:39:06
↑ 18↓ 17
Half· 13.11 mi
8:11/mi
1:44:41
↑ 13
25K· 15.53 mi
8:06/mi
2:04:19
↑ 22↓ 30
30K· 18.64 mi
8:04/mi
2:29:22
↑ 13↓ 12
35K· 21.75 mi
8:08/mi
2:54:37
↑ 27↓ 27
40K· 24.85 mi
8:32/mi
3:21:08
↑ 16↓ 11
Finish· 26.22 mi
10:14/mi
3:35:05
↑ 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
1:44:417:59 /mi⚡ faster
2nd Half
1:50:248:25 /mi+5.5%
Positive split — 5.5% slower in the second half
AI Race Performance Report

Aron'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
24:407:563.11 mi24:40
7:56
-
10K
49:267:573.10 mi24:46
7:58
+0:02
15K
1:14:027:573.11 mi24:36
7:55
-0:03
20K
1:39:067:583.11 mi25:04
8:04
+0:09
Half(13.11 mi)
1:44:417:590.68 mi5:35
8:11
+0:07
25K
2:04:198:002.42 mi19:38
8:06
-0:05
30K
2:29:228:013.11 mi25:03
8:04
-0:02
35K
2:54:378:023.11 mi25:15
8:08
+0:04
40K
3:21:088:063.10 mi26:31
8:32
+0:24
Finish(26.22 mi)
3:35:058:131.37 mi13:57
10:14
+1:42
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Aron'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