San Francisco Marathon logo
SF MARATHON 1ST HALF 2023

Xuchao Jia

Newark, CA

Bib: 15958 M 31

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 6072
Gender (Male)
#0 / 3331
Division (M30-34)
#0 / 723
Race Day Weather
60°/50°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.40M
10:54/mi
15:15
→ flat
11 ft elev
2.13M
22:02/mi
31:20
→ flat
13 ft elev
6.43M
13:49/mi
1:30:43
↑ 274↓ 780.9%
213 ft elev
6.62M
-49:-49/mi
1:21:26
↑ 161.6%
239 ft elev
10.65M
11:52/mi
2:09:15
↑ 153↓ 3611.0%
48 ft elev
Finish· 13.11 mi
12:20/mi
2:39:35
↑ 244↓ 1141.0%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:21:2612:18 /mi+4.0%
2nd Half
1:18:0912:03 /mi✓ faster
Negative split — 4.0% faster in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
1.40M
15:1510:541.40 mi15:15
10:54
-
2.13M
31:2014:430.73 mi16:05
22:02
+11:08
6.43M
1:30:4314:074.30 mi59:23
13:49
-8:13
6.62M
1:21:2612:180.19 mi
-49:-49
-63:38
10.65M
2:09:1512:084.03 mi47:49
11:52
+61:41
Finish(13.11 mi)
2:39:3512:102.46 mi30:20
12:20
+0:28
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-50:-49 /mi

Average Pace

12:10 /mi

Slowest Pace

22:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:39:35

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 12:10 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
1.40M1.40 mi5068294265650682942656
2.13M0.73 mi4966+1022901+41646+1050232915650
6.43M4.30 mi4828+1382847+54638+847832814632
6.62M0.19 mi4656+1722776+71624+14---
10.65M4.03 mi4760-1042815-39636-1249022858647
Finish(13.11 mi)2.46 mi4830-702841-26645-951122914660

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 83%
~flat
+3ft-2ft

Overall

5068

Males

2942

M30-34

659

1.40M→2.13M

1.4 - 2.1 mi

Top 83%
~flat
+3ft-1ft

Overall

5023

Males

2915

M30-34

654

2.13M→6.43M

2.1 - 6.4 mi

Top 79%
×17story building
+274ft-78ft

Overall

4783

Males

2814

M30-34

635

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M30-34

-

6.62M→10.65M

6.6 - 10.7 mi

Top 81%
×21story building
+153ft-361ft

Overall

4902

Males

2858

M30-34

649

10.65M→Finish

10.7 - 13.1 mi

Top 84%
×17story building
+244ft-114ft

Overall

5112

Males

2914

M30-34

660

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#5068
1.40M → 2.13M
122224+102
#5068 → #4966
2.13M → 6.43M
206344*+138
#4966 → #4828
6.43M → 6.62M
5177+172
#4828 → #4656
6.62M → 10.65M
18783*-104
#4656 → #4760
10.65M → Finish
10131*-70
#4760 → #4830
TOTALS
621859*+238
#5068 → #4830

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

Passing Visualized

Category:
Loading...

Passing Circle

Loading...

Position Flow

Loading...

Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events