San Francisco Marathon logo
SF MARATHON 2ND HALF 2026

Guangrui Li

Bib: 22753•M•Age: 30

Mountain View, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 3840
Top 18%
Gender (Male)
#0 / 2065
Top 25%
Division (M30-34)
#0 / 453
Top 27%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
17:01
Rank: #787
Start → 2M
8:30/mi
17:01 split
4M
32:32
Rank: #692 (+95)
2M → 4M
7:46/mi
15:31 split
6M
52:42
Rank: #655 (+37)
4M → 6M
10:05/mi
20:10 split
8M
1:05:25
Rank: #673 (-18)
6M → 8M
6:21/mi
12:43 split
10M
1:23:07
Rank: #700 (-27)
8M → 10M
8:51/mi
17:42 split
12M
1:40:59
Rank: #688 (+12)
10M → 12M
8:56/mi
17:52 split
Finish· 13.11 mi
1:50:24
Rank: #680 (+8)
12M → Finish
8:29/mi
9:25 split

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 6MFaster
Distance6.00 mi
Time52:42
Pace8:47 /mi
2nd Half
Distance7.11 mi
Time57:42
Pace8:07 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:49:0717:018:3017:01
8:30
-
4M
4.00 mi09:04:3832:328:0815:31
7:46
-0:44
6M
6.00 mi09:24:4852:428:4720:10
10:05
+2:19
8M
8.00 mi09:37:311:05:258:1112:43
6:21
-3:44
10M
10.00 mi09:55:131:23:078:1917:42
8:51
+2:30
12M
12.00 mi10:13:051:40:598:2517:52
8:56
+0:05
Finish
13.11 mi10:22:301:50:248:259:25
8:29
-0:27

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

6:21 /mi

Average Pace

8:25 /mi

Slowest Pace

10:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

28:14

26% of race

Time at Steady Pace

1:02:00

56% of race

Time at Slower Pace

20:10

18% of race

Average Pace: 8:25 /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
2M
2.00 mi08:49:0717:018:3017:01
8:30
#787
4M
4.00 mi09:04:3832:328:0815:31
7:46
#692
6M
6.00 mi09:24:4852:428:4720:10
10:05
#655
8M
8.00 mi09:37:311:05:258:1112:43
6:21
#673
10M
10.00 mi09:55:131:23:078:1917:42
8:51
#700
12M
12.00 mi10:13:051:40:598:2517:52
8:56
#688
Finish
13.11 mi10:22:301:50:248:259:25
8:29
#680
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2M2.00 mi2.00 mi787600140698(Top 18%)515(Top 25%)121(Top 27%)
4M4.00 mi2.00 mi692+95527+73123+17626(Top 16%)480(Top 23%)113(Top 25%)
6M6.00 mi2.00 mi655+37498+29118+5638(Top 17%)495(Top 24%)112(Top 25%)
8M8.00 mi2.00 mi673-18514-16126-8699(Top 18%)538(Top 26%)128(Top 28%)
10M10.00 mi2.00 mi700-27536-22128-2841(Top 22%)622(Top 30%)141(Top 31%)
12M12.00 mi2.00 mi688+12527+9124+4698(Top 18%)515(Top 25%)121(Top 27%)
Finish13.11 mi1.11 mi680+8520+7123+1667(Top 17%)505(Top 24%)111(Top 25%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 18%
×9story building
+138ft-68ft

Overall

698

Males

515

M30-34

121

2M→4M

2.0 - 4.0 mi

Top 16%
×13story building
+163ft-19ft

Overall

626

Males

480

M30-34

113

4M→6M

4.0 - 6.0 mi

Top 17%
×4story building
+55ft-83ft

Overall

638

Males

495

M30-34

112

6M→8M

6.0 - 8.0 mi

Top 18%
×10story building
+65ft-151ft

Overall

699

Males

538

M30-34

128

8M→10M

8.0 - 10.0 mi

Top 22%
×10story building
+61ft-174ft

Overall

841

Males

622

M30-34

141

10M→12M

10.0 - 12.0 mi

Top 18%
×3story building
+41ft-53ft

Overall

698

Males

515

M30-34

121

12M→Finish

12.0 - 13.1 mi

Top 17%
×1human
+6ft-6ft

Overall

667

Males

505

M30-34

111

Passing Analysis

Category:
Athletes Passed
224*
Passed By
117
Net Change
+107
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#787
2M → 4M10813+95#787#692
4M → 6M4912+37#692#655
6M → 8M1129-18#655#673
8M → 10M11*38-27#673#700
10M → 12M2917+12#700#688
12M → Finish168+8#688#680
TOTALS224*117+107

* 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
Share Feedback

Official Timing Data

The San Francisco Marathon

The San Francisco Marathon