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SF MARATHON 2ND HALF 2026

Xiangyu Zhuang

Bib: 24376•M•Age: 28

Sunnyvale, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Top 33%
Gender (Male)
#0 / 2065
Top 43%
Division (M25-29)
#0 / 503
Top 48%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
19:05
Rank: #1636
Start → 2M
9:32/mi
19:05 split
4M
36:44
Rank: #1546 (+90)
2M → 4M
8:50/mi
17:39 split
6M
59:27
Rank: #1497 (+49)
4M → 6M
11:21/mi
22:43 split
8M
1:13:40
Rank: #1486 (+11)
6M → 8M
7:06/mi
14:13 split
10M
1:32:40
Rank: #1429 (+57)
8M → 10M
9:30/mi
19:00 split
12M
1:51:24
Rank: #1318 (+111)
10M → 12M
9:22/mi
18:44 split
Finish· 13.11 mi
2:01:32
Rank: #1285 (+33)
12M → Finish
9:08/mi
10:08 split

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time59:27
Pace9:55 /mi
2nd Half
Distance7.11 mi
Time1:02:05
Pace8:44 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:05:0719:059:3219:05
9:32
-
4M
4.00 mi09:22:4636:449:1117:39
8:50
-0:42
6M
6.00 mi09:45:2959:279:5522:43
11:21
+2:31
8M
8.00 mi09:59:421:13:409:1214:13
7:06
-4:15
10M
10.00 mi10:18:421:32:409:1619:00
9:30
+2:24
12M
12.00 mi10:37:261:51:249:1718:44
9:22
-0:08
Finish
13.11 mi10:47:342:01:329:1610:08
9:08
-0:14

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

7:06 /mi

Average Pace

9:16 /mi

Slowest Pace

11:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

14:13

12% of race

Time at Steady Pace

1:24:36

70% of race

Time at Slower Pace

22:43

19% of race

Average Pace: 9:16 /mi

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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 mi09:05:0719:059:3219:05
9:32
#1636
4M
4.00 mi09:22:4636:449:1117:39
8:50
#1546
6M
6.00 mi09:45:2959:279:5522:43
11:21
#1497
8M
8.00 mi09:59:421:13:409:1214:13
7:06
#1486
10M
10.00 mi10:18:421:32:409:1619:00
9:30
#1429
12M
12.00 mi10:37:261:51:249:1718:44
9:22
#1318
Finish
13.11 mi10:47:342:01:329:1610:08
9:08
#1285
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi16361120283961(Top 25%)681(Top 33%)181(Top 36%)
4M4.00 mi2.00 mi1546+901058+62273+101483(Top 39%)1011(Top 49%)255(Top 51%)
6M6.00 mi2.00 mi1497+491032+26271+21449(Top 38%)1003(Top 49%)265(Top 53%)
8M8.00 mi2.00 mi1486+111027+5269+21441(Top 38%)984(Top 48%)268(Top 53%)
10M10.00 mi2.00 mi1429+57985+42264+51286(Top 33%)888(Top 43%)242(Top 48%)
12M12.00 mi2.00 mi1318+111907+78242+22961(Top 25%)681(Top 33%)181(Top 36%)
Finish13.11 mi1.11 mi1285+33884+23241+11050(Top 27%)734(Top 36%)196(Top 39%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 25%
×9story building
+138ft-68ft

Overall

961

Males

681

M25-29

181

2M→4M

2.0 - 4.0 mi

Top 39%
×13story building
+163ft-19ft

Overall

1483

Males

1011

M25-29

255

4M→6M

4.0 - 6.0 mi

Top 38%
×4story building
+55ft-83ft

Overall

1449

Males

1003

M25-29

265

6M→8M

6.0 - 8.0 mi

Top 38%
×10story building
+65ft-151ft

Overall

1441

Males

984

M25-29

268

8M→10M

8.0 - 10.0 mi

Top 33%
×10story building
+61ft-174ft

Overall

1286

Males

888

M25-29

242

10M→12M

10.0 - 12.0 mi

Top 25%
×3story building
+41ft-53ft

Overall

961

Males

681

M25-29

181

12M→Finish

12.0 - 13.1 mi

Top 27%
×1human
+6ft-6ft

Overall

1050

Males

734

M25-29

196

Passing Analysis

Category:
Athletes Passed
463*
Passed By
112
Net Change
+351
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1636
2M → 4M12131+90#1636#1546
4M → 6M7021+49#1546#1497
6M → 8M4130+11#1497#1486
8M → 10M71*14+57#1486#1429
10M → 12M1165+111#1429#1318
12M → Finish4411+33#1318#1285
TOTALS463*112+351

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

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon