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SF MARATHON 2ND HALF 2026

Xinyi Zhang

Bib: 23392•M•Age: 35

FOSTER CITY, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Gender (Male)
#0 / 2065
Division (M35-39)
#0 / 309
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
9–292 ft
≈
×24story building
•▲ 548 ft climb · ▼ 587 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
9:27/mi
18:54
↑ 138↓ 680.7%
4M
10:09/mi
39:12
↑ 1631.4%
6M
13:45/mi
1:06:43
↑ 55↓ 830.3%
8M
9:28/mi
1:25:39
↑ 65↓ 1510.8%
10M
12:49/mi
1:51:16
↑ 61↓ 1741.1%
12M
13:59/mi
2:19:14
↑ 41↓ 530.1%
Finish· 13.11 mi
12:51/mi
2:33:29
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:06:43
Pace11:07 /mi
2nd Half
Distance7.11 mi
Time1:26:46
Pace12:12 /mi
📊Positive Split: 30.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:05:2218:549:2718:54
9:27
-
4M
4.00 mi09:25:4039:129:4820:18
10:09
+0:42
6M
6.00 mi09:53:111:06:4311:0727:31
13:45
+3:36
8M
8.00 mi10:12:071:25:3910:4218:56
9:28
-4:17
10M
10.00 mi10:37:441:51:1611:0825:37
12:49
+3:21
12M
12.00 mi11:05:422:19:1411:3627:58
13:59
+1:10
Finish
13.11 mi11:19:572:33:2911:4214:15
12:51
-1:08

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

9:27 /mi

Average Pace

11:42 /mi

Slowest Pace

13:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

58:08

38% of race

Time at Steady Pace

1:07:23

44% of race

Time at Slower Pace

27:58

18% of race

Average Pace: 11:42 /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 mi09:05:2218:549:2718:54
9:27
#1578
4M
4.00 mi09:25:4039:129:4820:18
10:09
#2021
6M
6.00 mi09:53:111:06:4311:0727:31
13:45
#2358
8M
8.00 mi10:12:071:25:3910:4218:56
9:28
#2593
10M
10.00 mi10:37:441:51:1611:0825:37
12:49
#2736
12M
12.00 mi11:05:422:19:1411:3627:58
13:59
#2858
Finish
13.11 mi11:19:572:33:2911:4214:15
12:51
#2873
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi157810811863198(Top 83%)1799(Top 87%)265(Top 86%)
4M4.00 mi2.00 mi2021-4431309-228202-162454(Top 64%)1509(Top 73%)229(Top 74%)
6M6.00 mi2.00 mi2358-3371476-167225-232831(Top 74%)1678(Top 81%)248(Top 80%)
8M8.00 mi2.00 mi2593-2351577-101238-133176(Top 83%)1817(Top 88%)270(Top 87%)
10M10.00 mi2.00 mi2736-1431636-59246-83088(Top 80%)1772(Top 86%)260(Top 84%)
12M12.00 mi2.00 mi2858-1221675-39248-23198(Top 83%)1799(Top 87%)265(Top 86%)
Finish13.11 mi1.11 mi2873-151674+1250-23009(Top 78%)1708(Top 83%)258(Top 83%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 83%
×9story building
+138ft-68ft

Overall

3198

Males

1799

M35-39

265

2M→4M

2.0 - 4.0 mi

Top 64%
×13story building
+163ft-19ft

Overall

2454

Males

1509

M35-39

229

4M→6M

4.0 - 6.0 mi

Top 74%
×4story building
+55ft-83ft

Overall

2831

Males

1678

M35-39

248

6M→8M

6.0 - 8.0 mi

Top 83%
×10story building
+65ft-151ft

Overall

3176

Males

1817

M35-39

270

8M→10M

8.0 - 10.0 mi

Top 80%
×10story building
+61ft-174ft

Overall

3088

Males

1772

M35-39

260

10M→12M

10.0 - 12.0 mi

Top 83%
×3story building
+41ft-53ft

Overall

3198

Males

1799

M35-39

265

12M→Finish

12.0 - 13.1 mi

Top 78%
×1human
+6ft-6ft

Overall

3009

Males

1708

M35-39

258

Passing Analysis

Category:
Athletes Passed
59*
Passed By
1354
Net Change
-1295
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1578
2M → 4M10453-443#1578#2021
4M → 6M3340-337#2021#2358
6M → 8M6241-235#2358#2593
8M → 10M8*151-143#2593#2736
10M → 12M8130-122#2736#2858
12M → Finish24*39-15#2858#2873
TOTALS59*1354-1295

* 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