San Francisco Marathon logo
SF MARATHON 1ST HALF 2023

William Li

San Francisco, CA

Bib: 16716 M 39

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 6072
Gender (Male)
#0 / 3331
Division (M35-39)
#0 / 464
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
8:28/mi
11:51
→ flat
2.13M
18:21/mi
25:15
→ flat
6.43M
11:16/mi
1:13:40
↑ 274↓ 78
6.62M
-38:-26/mi
1:06:33
↑ 16
10.65M
10:59/mi
1:50:49
↑ 153↓ 361
Finish· 13.11 mi
11:35/mi
2:19:18
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:06:3310:03 /mi⚡ faster
2nd Half
1:12:4511:13 /mi+9.3%
Positive split — 9.3% 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
1.40M
11:518:281.40 mi11:51
8:28
-
2.13M
25:1511:510.73 mi13:24
18:21
+9:53
6.43M
1:13:4011:274.30 mi48:25
11:16
-7:05
6.62M
1:06:3310:030.19 mi
-38:-26
-49:42
10.65M
1:50:4910:244.03 mi44:16
10:59
+49:25
Finish(13.11 mi)
2:19:1810:382.46 mi28:29
11:35
+0:36
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-39:-26 /mi

Average Pace

10:38 /mi

Slowest Pace

18:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:19:18

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:38 /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. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
1.40M1.40 mi1523106413315231064133
2.13M0.73 mi1890-3671303-239168-3524271621214
6.43M4.30 mi2080-1901427-124197-2922621527214
6.62M0.19 mi1916+1641317+110174+23---
10.65M4.03 mi2791-8751829-512247-7341562507348
Finish(13.11 mi)2.46 mi3289-4982080-251293-4646572705374

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 25%
~flat
+3ft-2ft

Overall

1523

Males

1064

M35-39

133

1.40M→2.13M

1.4 - 2.1 mi

Top 40%
~flat
+3ft-1ft

Overall

2427

Males

1621

M35-39

215

2.13M→6.43M

2.1 - 6.4 mi

Top 37%
×17story building
+274ft-78ft

Overall

2262

Males

1527

M35-39

214

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M35-39

-

6.62M→10.65M

6.6 - 10.7 mi

Top 68%
×21story building
+153ft-361ft

Overall

4156

Males

2507

M35-39

348

10.65M→Finish

10.7 - 13.1 mi

Top 77%
×17story building
+244ft-114ft

Overall

4657

Males

2705

M35-39

374

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#1523
1.40M → 2.13M
39124-367
#1523 → #1890
2.13M → 6.43M
319129*-190
#1890 → #2080
6.43M → 6.62M
16180+164
#2080 → #1916
6.62M → 10.65M
8816*-875
#1916 → #2791
10.65M → Finish
51214*-498
#2791 → #3289
TOTALS
2119353*-1766
#1523 → #3289

* 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