Zack Jenkins

San Francisco

Bib: 20166 M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 54109
Top 4%
Gender (Male)
#0 / 29548
Top 7%
Division (M35-39)
#0 / 4653
Top 10%
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
6:05/mi
18:55
↑ 52↓ 48
10K· 6.21 mi
6:01/mi
37:38
↑ 25↓ 31
15K· 9.32 mi
6:02/mi
56:24
↑ 12↓ 13
20K· 12.43 mi
6:20/mi
1:16:04
↑ 18↓ 17
Half· 13.11 mi
6:28/mi
1:20:29
↑ 13
25K· 15.53 mi
6:51/mi
1:37:06
↑ 22↓ 30
30K· 18.64 mi
6:47/mi
1:58:10
↑ 13↓ 12
35K· 21.75 mi
6:59/mi
2:19:52
↑ 27↓ 27
40K· 24.85 mi
7:15/mi
2:42:24
↑ 16↓ 11
Finish· 26.22 mi
7:05/mi
2:52:03
↑ 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
1:20:296:08 /mi⚡ faster
2nd Half
1:31:346:59 /mi+13.8%
Positive split — 13.8% slower in the second half
AI Race Performance Report

Zack'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
18:556:053.11 mi18:55
6:05
-
10K
37:386:033.10 mi18:43
6:01
-0:04
15K
56:246:033.11 mi18:46
6:02
+0:01
20K
1:16:046:073.11 mi19:40
6:20
+0:18
Half(13.11 mi)
1:20:296:080.68 mi4:25
6:28
+0:08
25K
1:37:066:152.42 mi16:37
6:51
+0:23
30K
1:58:106:203.11 mi21:04
6:47
-0:04
35K
2:19:526:263.11 mi21:42
6:59
+0:12
40K
2:42:246:323.10 mi22:32
7:15
+0:16
Finish(26.22 mi)
2:52:036:341.37 mi9:39
7:05
-0:10
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Zack'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