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SF MARATHON 1ST HALF 2023

Zhounan Lin

El Cerrito, CA

Bib: 12321 M 26

0:00
0:00
/ mi
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Overall
#0 / 6072
Top 23%
Gender (Male)
#0 / 3331
Top 31%
Division (M25-29)
#0 / 688
Top 35%
Race Day Weather
60°/50°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.40M
7:52/mi
11:01
→ flat
2.13M
16:38/mi
23:10
→ flat
6.43M
11:08/mi
1:11:03
↑ 274↓ 78
6.62M
-34:-29/mi
1:04:41
↑ 16
10.65M
8:53/mi
1:40:31
↑ 153↓ 361
Finish· 13.11 mi
8:20/mi
2:01:00
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:04:419:46 /mi+12.9%
2nd Half
56:198:41 /mi✓ faster
Negative split — 12.9% faster in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
1.40M
11:017:521.40 mi11:01
7:52
-
2.13M
23:1010:530.73 mi12:09
16:38
+8:46
6.43M
1:11:0311:034.30 mi47:53
11:08
-5:30
6.62M
1:04:419:460.19 mi
-34:-29
-45:37
10.65M
1:40:319:264.03 mi35:50
8:53
+43:22
Finish(13.11 mi)
2:01:009:142.46 mi20:29
8:20
-0:33
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-35:-29 /mi

Average Pace

9:14 /mi

Slowest Pace

16:38 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:01:00

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:14 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
1.40M1.40 mi732555133732555133
2.13M0.73 mi894-162671-116170-371170843202
6.43M4.30 mi1608-7141147-476273-10321001437327
6.62M0.19 mi1539+691095+52269+4---
10.65M4.03 mi1486+531072+23261+814921090253
Finish(13.11 mi)2.46 mi1416+701026+46240+211376990239

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 12%
~flat
+3ft-2ft

Overall

732

Males

555

M25-29

135

1.40M→2.13M

1.4 - 2.1 mi

Top 19%
~flat
+3ft-1ft

Overall

1170

Males

843

M25-29

207

2.13M→6.43M

2.1 - 6.4 mi

Top 35%
×17story building
+274ft-78ft

Overall

2100

Males

1437

M25-29

329

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M25-29

-

6.62M→10.65M

6.6 - 10.7 mi

Top 25%
×21story building
+153ft-361ft

Overall

1492

Males

1090

M25-29

254

10.65M→Finish

10.7 - 13.1 mi

Top 23%
×17story building
+244ft-114ft

Overall

1376

Males

990

M25-29

239

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#732
1.40M → 2.13M
19331-162
#732 → #894
2.13M → 6.43M
7239-714
#894 → #1608
6.43M → 6.62M
2291+69
#1608 → #1539
6.62M → 10.65M
72125*+53
#1539 → #1486
10.65M → Finish
30100*+70
#1486 → #1416
TOTALS
1040356*-684
#732 → #1416

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

Passing Visualized

Category:
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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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