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SF MARATHON 2ND HALF 2026

Zhongyi Tong

Bib: 23759•M•Age: 31

Redwood City, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Gender (Male)
#0 / 2065
Division (M30-34)
#0 / 453
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
9:42/mi
19:24
↑ 138↓ 680.7%
4M
9:06/mi
37:36
↑ 1631.4%
6M
12:13/mi
1:02:03
↑ 55↓ 830.3%
8M
7:23/mi
1:16:49
↑ 65↓ 1510.8%
10M
10:56/mi
1:38:40
↑ 61↓ 1741.1%
12M
11:25/mi
2:01:30
↑ 41↓ 530.1%
Finish· 13.11 mi
11:16/mi
2:14:00
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:02:03
Pace10:21 /mi
2nd Half
Distance7.11 mi
Time1:11:57
Pace10:07 /mi
📊Positive Split: 16.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:57:5519:249:4219:24
9:42
-
4M
4.00 mi09:16:0737:369:2418:12
9:06
-0:36
6M
6.00 mi09:40:341:02:0310:2124:27
12:13
+3:07
8M
8.00 mi09:55:201:16:499:3614:46
7:23
-4:50
10M
10.00 mi10:17:111:38:409:5221:51
10:56
+3:33
12M
12.00 mi10:40:012:01:3010:0822:50
11:25
+0:29
Finish
13.11 mi10:52:312:14:0010:1312:30
11:16
-0:09

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

7:23 /mi

Average Pace

10:13 /mi

Slowest Pace

12:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

52:22

39% of race

Time at Steady Pace

57:11

43% of race

Time at Slower Pace

24:27

18% of race

Average Pace: 10:13 /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 mi08:57:5519:249:4219:24
9:42
#1759
4M
4.00 mi09:16:0737:369:2418:12
9:06
#1728
6M
6.00 mi09:40:341:02:0310:2124:27
12:13
#1820
8M
8.00 mi09:55:201:16:499:3614:46
7:23
#1772
10M
10.00 mi10:17:111:38:409:5221:51
10:56
#1852
12M
12.00 mi10:40:012:01:3010:0822:50
11:25
#1905
Finish
13.11 mi10:52:312:14:0010:1312:30
11:16
#1939
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2M2.00 mi2.00 mi175911872722149(Top 56%)1318(Top 64%)285(Top 63%)
4M4.00 mi2.00 mi1728+311160+27264+81702(Top 44%)1133(Top 55%)253(Top 56%)
6M6.00 mi2.00 mi1820-921206-46274-101992(Top 52%)1297(Top 63%)289(Top 64%)
8M8.00 mi2.00 mi1772+481183+23267+71700(Top 44%)1134(Top 55%)253(Top 56%)
10M10.00 mi2.00 mi1852-801221-38269-22166(Top 56%)1367(Top 66%)307(Top 68%)
12M12.00 mi2.00 mi1905-531245-24277-82149(Top 56%)1318(Top 64%)285(Top 63%)
Finish13.11 mi1.11 mi1939-341263-18282-52302(Top 60%)1382(Top 67%)306(Top 68%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 56%
×9story building
+138ft-68ft

Overall

2149

Males

1318

M30-34

285

2M→4M

2.0 - 4.0 mi

Top 44%
×13story building
+163ft-19ft

Overall

1702

Males

1133

M30-34

253

4M→6M

4.0 - 6.0 mi

Top 52%
×4story building
+55ft-83ft

Overall

1992

Males

1297

M30-34

289

6M→8M

6.0 - 8.0 mi

Top 44%
×10story building
+65ft-151ft

Overall

1700

Males

1134

M30-34

253

8M→10M

8.0 - 10.0 mi

Top 56%
×10story building
+61ft-174ft

Overall

2166

Males

1367

M30-34

307

10M→12M

10.0 - 12.0 mi

Top 56%
×3story building
+41ft-53ft

Overall

2149

Males

1318

M30-34

285

12M→Finish

12.0 - 13.1 mi

Top 60%
×1human
+6ft-6ft

Overall

2302

Males

1382

M30-34

306

Passing Analysis

Category:
Athletes Passed
231*
Passed By
411
Net Change
-180
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1759
2M → 4M10069+31#1759#1728
4M → 6M22114-92#1728#1820
6M → 8M6012+48#1820#1772
8M → 10M13*93-80#1772#1852
10M → 12M2578-53#1852#1905
12M → Finish11*45-34#1905#1939
TOTALS231*411-180

* 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