San Francisco Marathon logo
SF MARATHON 1ST HALF 2025

Yanzhe Zhang

Bib: 16632•M•Age: 25

Palo Alto, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 7100
Gender (Male)
#0 / 3977
Division (M25-29)
#0 / 899
Race Day Weather
56°/46°F
light rain

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
1.81M
19:54
Rank: #5706
Start → 1.81M
19:54 | 11:00/mi
5.34M
1:00:38
Rank: #5655 (+51)
1.81M → 5.34M
40:44 | 11:32/mi
6.15M
1:09:38
Rank: #5449 (+206)
5.34M → 6.15M
9:00 | 11:07/mi
10.54M
1:58:47
Rank: #5006 (+443)
6.15M → 10.54M
49:09 | 11:12/mi
11.05M
2:05:24
Rank: #4815 (+191)
10.54M → 11.05M
6:37 | 12:58/mi
Finish· 13.11 mi
2:29:31
Rank: #4738 (+77)
11.05M → Finish
24:07 | 11:43/mi
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 6.15MFaster
Distance6.15 mi
Time1:09:38
Pace11:19 /mi
2nd Half
Distance6.96 mi
Time1:19:53
Pace11:29 /mi
📊Positive Split: 14.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi07:10:0519:5411:0019:54
11:00
-
5.34M
5.34 mi07:50:491:00:3811:2140:44
11:32
+0:32
6.15M
6.15 mi07:59:491:09:3811:199:00
11:07
-0:25
10.54M
10.54 mi08:48:581:58:4711:1649:09
11:12
+0:05
11.05M
11.05 mi08:55:352:05:2411:216:37
12:58
+1:46
Finish
13.11 mi09:19:422:29:3111:2424:07
11:43
-1:15

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

11:00 /mi

Average Pace

11:24 /mi

Slowest Pace

12:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:22:54

96% of race

Time at Steady Pace

6:37

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:24 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
1.81M
1.81 mi07:10:0519:5411:0019:54
11:00
#5706
5.34M
5.34 mi07:50:491:00:3811:2140:44
11:32
#5655
6.15M
6.15 mi07:59:491:09:3811:199:00
11:07
#5449
10.54M
10.54 mi08:48:581:58:4711:1649:09
11:12
#5006
11.05M
11.05 mi08:55:352:05:2411:216:37
12:58
#4815
Finish
13.11 mi09:19:422:29:3111:2424:07
11:43
#4738
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
1.81M1.81 mi1.81 mi570634267995706(Top 80%)3426(Top 86%)799(Top 89%)
5.34M5.34 mi3.53 mi5655+513389+37795+45642(Top 79%)3375(Top 85%)795(Top 88%)
6.15M6.15 mi0.81 mi5449+2063305+84783+124300(Top 61%)2764(Top 69%)683(Top 76%)
10.54M10.54 mi4.39 mi5006+4433084+221744+394505(Top 63%)2830(Top 71%)680(Top 76%)
11.05M11.05 mi0.51 mi4815+1912999+85729+152461(Top 35%)1737(Top 44%)460(Top 51%)
Finish13.11 mi2.06 mi4738+772935+64710+194672(Top 66%)2831(Top 71%)681(Top 76%)

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 80%
~flat
+4ft-3ft

Overall

5706

Males

3426

M25-29

800

1.81M→5.34M

1.8 - 5.3 mi

Top 79%
×4stories
+80ft-74ft

Overall

5642

Males

3375

M25-29

796

5.34M→6.15M

5.3 - 6.2 mi

Top 61%
×10stories
+126ft-4ft

Overall

4300

Males

2764

M25-29

684

6.15M→10.54M

6.2 - 10.5 mi

Top 63%
×21stories
+230ft-361ft

Overall

4505

Males

2830

M25-29

681

10.54M→11.05M

10.5 - 11.1 mi

Top 35%
×14stories
+172ft-0ft

Overall

2461

Males

1737

M25-29

461

11.05M→Finish

11.1 - 13.1 mi

Top 66%
×7stories
+97ft-114ft

Overall

4672

Males

2831

M25-29

681

Passing Analysis

Category:
Athletes Passed
1247*
Passed By
279
Net Change
+968
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#5706
1.81M → 5.34M254*203+51#5706#5655
5.34M → 6.15M2082+206#5655#5449
6.15M → 10.54M462*19+443#5449#5006
10.54M → 11.05M1954+191#5006#4815
11.05M → Finish128*51+77#4815#4738
TOTALS1247*279+968

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

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

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
Share Feedback

Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events