Zachary Zorfas

Foster City, CA

Bib: 3124 M

0:00
0:00
/ mi
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Overall
#0 / 15907
Top 17%
Gender (Male)
#0 / 9934
Top 21%
Division (M35-39)
#0 / 1396
Top 22%
Race Day Weather
43°/33°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
27 ft elev
5K· 3.11 mi
9:02/mi
28:05
2791640.7%
140 ft elev
10K· 6.21 mi
8:28/mi
54:22
1032170.7%
25 ft elev
15K· 9.32 mi
8:27/mi
1:20:38
5155
21 ft elev
21K· 13.05 mi
8:26/mi
1:52:05
2037
4 ft elev
25K· 15.53 mi
8:06/mi
2:12:12
350.2%
30 ft elev
30K· 18.64 mi
8:33/mi
2:38:47
5857
30 ft elev
35K· 21.75 mi
8:41/mi
3:05:45
9892
36 ft elev
40K· 24.85 mi
8:57/mi
3:33:34
36530.1%
18 ft elev
Finish· 26.22 mi
9:07/mi
3:46:00
80240.8%
74 ft elev
Course Elevation
3237 ft
×20story building
764 ft climb · 717 ft descent

The Course

Half Splits

1st Half· via 21K
1:52:058:35 /mi⚡ faster
2nd Half
1:53:558:39 /mi+1.6%
Positive split — 1.6% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
28:059:023.11 mi28:05
9:02
-
10K
54:228:453.10 mi26:17
8:28
-0:34
15K
1:20:388:393.11 mi26:16
8:27
-0:01
21K
1:52:058:353.73 mi31:27
8:26
-0:01
25K
2:12:128:312.48 mi20:07
8:06
-0:20
30K
2:38:478:313.11 mi26:35
8:33
+0:27
35K
3:05:458:323.11 mi26:58
8:41
+0:08
40K
3:33:348:363.10 mi27:49
8:57
+0:16
Finish(26.22 mi)
3:46:008:381.37 mi12:26
9:07
+0:10
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:06 /mi

Average Pace

8:38 /mi

Slowest Pace

9:07 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:37:40

70% of race

Time at Steady Pace

1:08:20

30% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:37 /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. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
5K3.11 mi4236330949931232494358
10K3.10 mi4029+2073171+138470+2939013075452
15K3.11 mi3720+3092935+236439+3131232494358
21K3.73 mi3375+3452685+250393+4627822236328
25K2.48 mi3156+2192515+170368+2525022010300
30K3.11 mi2960+1962362+153351+1724741962286
35K3.11 mi2814+1462237+125329+2226692016296
40K3.10 mi2683+1312105+132311+1825961914280
Finish(26.22 mi)1.37 mi2662+212079+26309+231162222317

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×18story building
+279ft-164ft

Overall

3123

Males

2494

M35-39

2494

5K→10K

3.1 - 6.2 mi

Top 25%
×11story building
+103ft-217ft

Overall

3901

Males

3075

M35-39

3075

10K→15K

6.2 - 9.3 mi

Top 20%
×3story building
+51ft-55ft

Overall

3123

Males

2494

M35-39

2494

15K→21K

9.3 - 13.1 mi

Top 17%
×1story
+20ft-37ft

Overall

2782

Males

2236

M35-39

2236

21K→25K

13.1 - 15.5 mi

Top 16%
×2story building
+35ft-8ft

Overall

2502

Males

2010

M35-39

2010

25K→30K

15.5 - 18.6 mi

Top 16%
×2story building
+58ft-57ft

Overall

2474

Males

1962

M35-39

1962

30K→35K

18.6 - 21.8 mi

Top 17%
×2story building
+98ft-92ft

Overall

2669

Males

2016

M35-39

2016

35K→40K

21.8 - 24.9 mi

Top 16%
×2story building
+36ft-53ft

Overall

2596

Males

1914

M35-39

1914

40K→Finish

24.9 - 26.2 mi

Top 20%
×5story building
+80ft-24ft

Overall

3116

Males

2222

M35-39

2222

Passing Analysis

Category:
Passed
1875*
Passed By
301
Net Change
+1574
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4236
5K10K296*89+207#4236#4029
10K15K322*13+309#4029#3720
15K21K358*13+345#3720#3375
21K25K223*4+219#3375#3156
25K30K215*19+196#3156#2960
30K35K223*77+146#2960#2814
35K40K188*57+131#2814#2683
40KFinish50*29+21#2683#2662
TOTALS1875*301+1574

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Charts

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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

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Timing Productions