San Francisco Marathon logo
SF MARATHON 1ST HALF 2023

Yuwen Chen

Bib: 13436•M•Age: 25

Pittsburgh, PA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 6072
Top 49%
Gender (Male)
#0 / 3331
Division (M25-29)
#0 / 688
Race Day Weather
60°/50°F
overcast clouds

⏱️ Race Timeline

Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.40M
9:07/mi
12:46
→ flat
2.13M
19:31/mi
27:01
→ flat
6.43M
12:14/mi
1:19:35
↑ 274↓ 780.9%
6.62M
-40:-32/mi
1:12:04
↑ 161.6%
10.65M
10:13/mi
1:53:13
↑ 153↓ 3611.0%
Finish· 13.11 mi
9:22/mi
2:16:15
↑ 244↓ 1141.0%

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:12:04
Pace10:53 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:04:11
Pace9:53 /mi
📊Negative Split: 10.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi06:57:5512:469:0712:46
9:07
-
2.13M
2.13 mi07:12:1027:0112:4114:15
19:31
+10:24
6.43M
6.43 mi08:04:441:19:3512:2352:34
12:14
-7:17
6.62M
6.62 mi07:57:131:12:0410:53
-40:-32
-52:46
10.65M
10.65 mi08:38:221:53:1310:3841:09
10:13
+50:45
Finish
13.11 mi09:01:242:16:1510:2423:02
9:22
-0:51

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

-41:-32 /mi

Average Pace

10:24 /mi

Slowest Pace

19:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:16:15

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:24 /mi

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

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

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

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
1.40M
1.40 mi06:57:5512:469:0712:46
9:07
#2598
2.13M
2.13 mi07:12:1027:0112:4114:15
19:31
#2914
6.43M
6.43 mi08:04:441:19:3512:2352:34
12:14
#3190
6.62M
6.62 mi07:57:131:12:0410:53
-40:-32
#3062
10.65M
10.65 mi08:38:221:53:1310:3841:09
10:13
#3113
Finish
13.11 mi09:01:242:16:1510:2423:02
9:22
#2980
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
1.40M1.40 mi1.40 mi259817264092598(Top 43%)1726(Top 52%)409(Top 59%)
2.13M2.13 mi0.73 mi2914-3161884-158436-273390(Top 56%)2143(Top 64%)484(Top 70%)
6.43M6.43 mi4.30 mi3190-2762042-158468-323365(Top 55%)2120(Top 64%)478(Top 69%)
6.62M6.62 mi0.19 mi3062+1281965+77449+19---
10.65M10.65 mi4.03 mi3113-512009-44460-113250(Top 54%)2049(Top 62%)478(Top 69%)
Finish13.11 mi2.46 mi2980+1331920+89440+202560(Top 42%)1652(Top 50%)379(Top 55%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 43%
~flat
+3ft-2ft

Overall

2598

Males

1726

M25-29

412

1.40M→2.13M

1.4 - 2.1 mi

Top 56%
~flat
+3ft-1ft

Overall

3390

Males

2143

M25-29

490

2.13M→6.43M

2.1 - 6.4 mi

Top 55%
×17story building
+274ft-78ft

Overall

3365

Males

2120

M25-29

480

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 54%
×21story building
+153ft-361ft

Overall

3250

Males

2049

M25-29

479

10.65M→Finish

10.7 - 13.1 mi

Top 42%
×17story building
+244ft-114ft

Overall

2560

Males

1652

M25-29

379

Passing Analysis

Category:
Athletes Passed
669*
Passed By
1051
Net Change
-382
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#2598
1.40M → 2.13M74390-316#2598#2914
2.13M → 6.43M161*437-276#2914#3190
6.43M → 6.62M14820+128#3190#3062
6.62M → 10.65M120*171-51#3062#3113
10.65M → Finish166*33+133#3113#2980
TOTALS669*1051-382

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

📊

Passing Visuals

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