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SF MARATHON 1ST HALF 2023

Xiaojian Yang

Santa Clara, CA

Bib: 11958 M 51

0:00
0:00
/ mi
Masters
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Overall
#0 / 6072
Top 50%
Gender (Male)
#0 / 3331
Masters (Masters Men)
#0 / 1028
Top 47%
Division (M50-54)
#0 / 199
Top 43%
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
9:26/mi
13:12
→ flat
2.13M
18:47/mi
26:55
→ flat
6.43M
11:37/mi
1:16:53
↑ 274↓ 78
6.62M
-39:-13/mi
1:09:37
↑ 16
10.65M
10:14/mi
1:50:50
↑ 153↓ 361
Finish· 13.11 mi
10:32/mi
2:16:44
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:09:3710:31 /mi+3.6%
2nd Half
1:07:0710:21 /mi✓ faster
Negative split — 3.6% 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
13:129:261.40 mi13:12
9:26
-
2.13M
26:5512:380.73 mi13:43
18:47
+9:21
6.43M
1:16:5311:574.30 mi49:58
11:37
-7:10
6.62M
1:09:3710:310.19 mi
-39:-13
-50:50
10.65M
1:50:5010:244.03 mi41:13
10:14
+49:27
Finish(13.11 mi)
2:16:4410:262.46 mi25:54
10:32
+0:18
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-40:-13 /mi

Average Pace

10:26 /mi

Slowest Pace

18:47 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:16:44

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:26 /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. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
1.40M1.40 mi31302001993130200199
2.13M0.73 mi2860+2701862+13990+92796182487
6.43M4.30 mi2665+1951774+8880+102694176776
6.62M0.19 mi2564+1011714+6077+3---
10.65M4.03 mi2795-2311830-11680-33265205786
Finish(13.11 mi)2.46 mi3022-2271949-11985-538542326110

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 52%
~flat
+3ft-2ft

Overall

3130

Males

2001

M50-54

99

1.40M→2.13M

1.4 - 2.1 mi

Top 46%
~flat
+3ft-1ft

Overall

2796

Males

1824

M50-54

87

2.13M→6.43M

2.1 - 6.4 mi

Top 44%
×17story building
+274ft-78ft

Overall

2694

Males

1767

M50-54

76

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M50-54

-

6.62M→10.65M

6.6 - 10.7 mi

Top 54%
×21story building
+153ft-361ft

Overall

3265

Males

2057

M50-54

86

10.65M→Finish

10.7 - 13.1 mi

Top 63%
×17story building
+244ft-114ft

Overall

3854

Males

2326

M50-54

110

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#3130
1.40M → 2.13M
75345+270
#3130 → #2860
2.13M → 6.43M
161356*+195
#2860 → #2665
6.43M → 6.62M
35136+101
#2665 → #2564
6.62M → 10.65M
28958*-231
#2564 → #2795
10.65M → Finish
26740*-227
#2795 → #3022
TOTALS
827935*+108
#3130 → #3022

* 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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