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SF MARATHON 1ST HALF 2023

Nathan Chung

Milpitas, CA

Bib: 13456 M 29

0:00
0:00
/ mi
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Overall
#0 / 6072
Gender (Male)
#0 / 3331
Division (M25-29)
#0 / 688
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
10:06/mi
14:09
→ flat
2.13M
20:46/mi
29:19
→ flat
6.43M
13:27/mi
1:27:09
↑ 274↓ 78
6.62M
-36:-19/mi
1:20:26
↑ 16
10.65M
12:01/mi
2:08:52
↑ 153↓ 361
Finish· 13.11 mi
11:11/mi
2:36:22
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:20:2612:09 /mi+5.6%
2nd Half
1:15:5611:42 /mi✓ faster
Negative split — 5.6% 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
14:0910:061.40 mi14:09
10:06
-
2.13M
29:1913:460.73 mi15:10
20:46
+10:40
6.43M
1:27:0913:334.30 mi57:50
13:27
-7:19
6.62M
1:20:2612:090.19 mi
-36:-19
-49:46
10.65M
2:08:5212:064.03 mi48:26
12:01
+48:20
Finish(13.11 mi)
2:36:2211:562.46 mi27:30
11:11
-0:50
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-37:-19 /mi

Average Pace

11:56 /mi

Slowest Pace

20:46 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:36:22

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:56 /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 mi4160253355941602533559
2.13M0.73 mi4173-132551-18561-243182593568
6.43M4.30 mi4367-1942652-101586-2544762694593
6.62M0.19 mi4528-1612720-68600-14---
10.65M4.03 mi4740-2122805-85611-1150002892629
Finish(13.11 mi)2.46 mi4652+882758+47608+343572572567

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 69%
~flat
+3ft-2ft

Overall

4160

Males

2533

M25-29

562

1.40M→2.13M

1.4 - 2.1 mi

Top 71%
~flat
+3ft-1ft

Overall

4318

Males

2593

M25-29

574

2.13M→6.43M

2.1 - 6.4 mi

Top 74%
×17story building
+274ft-78ft

Overall

4476

Males

2694

M25-29

596

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 82%
×21story building
+153ft-361ft

Overall

5000

Males

2892

M25-29

630

10.65M→Finish

10.7 - 13.1 mi

Top 72%
×17story building
+244ft-114ft

Overall

4357

Males

2572

M25-29

567

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#4160
1.40M → 2.13M
174161-13
#4160 → #4173
2.13M → 6.43M
406212*-194
#4173 → #4367
6.43M → 6.62M
19837-161
#4367 → #4528
6.62M → 10.65M
26856*-212
#4528 → #4740
10.65M → Finish
40128*+88
#4740 → #4652
TOTALS
1086594*-492
#4160 → #4652

* 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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