San Francisco Marathon logo
SF MARATHON 1ST HALF 2023

Eric Duong

El Cerrito, CA

Bib: 12504 M 28

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 6072
Top 31%
Gender (Male)
#0 / 3331
Top 39%
Division (M25-29)
#0 / 688
Top 44%
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
8:41/mi
12:10
→ flat
11 ft elev
2.13M
16:58/mi
24:33
→ flat
13 ft elev
6.43M
10:36/mi
1:10:08
↑ 274↓ 780.9%
213 ft elev
6.62M
-32:-54/mi
1:04:04
↑ 161.6%
239 ft elev
10.65M
9:27/mi
1:42:10
↑ 153↓ 3611.0%
48 ft elev
Finish· 13.11 mi
9:32/mi
2:05:37
↑ 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
1:04:049:41 /mi+3.9%
2nd Half
1:01:339:29 /mi✓ faster
Negative split — 3.9% 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
12:108:411.40 mi12:10
8:41
-
2.13M
24:3311:320.73 mi12:23
16:58
+8:17
6.43M
1:10:0810:544.30 mi45:35
10:36
-6:22
6.62M
1:04:049:410.19 mi
-32:-54
-43:30
10.65M
1:42:109:364.03 mi38:06
9:27
+42:21
Finish(13.11 mi)
2:05:379:352.46 mi23:27
9:32
+0:05
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-33:-54 /mi

Average Pace

9:35 /mi

Slowest Pace

16:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:05:37

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:35 /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. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
1.40M1.40 mi1855127730118551277301
2.13M0.73 mi1515+3401061+216261+401373970237
6.43M4.30 mi1440+751044+17255+614951082258
6.62M0.19 mi1436+41035+9252+3---
10.65M4.03 mi1682-2461191-156285-3322481514357
Finish(13.11 mi)2.46 mi1863-1811290-99305-2027801770408

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 31%
~flat
+3ft-2ft

Overall

1855

Males

1277

M25-29

303

1.40M→2.13M

1.4 - 2.1 mi

Top 23%
~flat
+3ft-1ft

Overall

1373

Males

970

M25-29

242

2.13M→6.43M

2.1 - 6.4 mi

Top 25%
×17story building
+274ft-78ft

Overall

1495

Males

1082

M25-29

260

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 37%
×21story building
+153ft-361ft

Overall

2248

Males

1514

M25-29

358

10.65M→Finish

10.7 - 13.1 mi

Top 46%
×17story building
+244ft-114ft

Overall

2780

Males

1770

M25-29

408

Passing Analysis

Category:
Passed
646*
Passed By
654
Net Change
-8
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#1855
1.40M → 2.13M37131+340#1855#1515
2.13M → 6.43M191*116+75#1515#1440
6.43M → 6.62M4339+4#1440#1436
6.62M → 10.65M21*267-246#1436#1682
10.65M → Finish20*201-181#1682#1863
TOTALS646*654-8

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

Passing Charts

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