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SF MARATHON 2ND HALF 2026

Tsun Tsai

Bib: 24350•M•Age: 37

Campbell, 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
10:25/mi
20:50
↑ 138↓ 680.7%
4M
9:37/mi
40:04
↑ 1631.4%
6M
13:00/mi
1:06:05
↑ 55↓ 830.3%
8M
8:27/mi
1:23:00
↑ 65↓ 1510.8%
10M
11:02/mi
1:45:04
↑ 61↓ 1741.1%
12M
11:30/mi
2:08:04
↑ 41↓ 530.1%
Finish· 13.11 mi
10:23/mi
2:19:35
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:06:05
Pace11:01 /mi
2nd Half
Distance7.11 mi
Time1:13:30
Pace10:20 /mi
📊Positive Split: 11.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:58:5320:5010:2520:50
10:25
-
4M
4.00 mi09:18:0740:0410:0119:14
9:37
-0:48
6M
6.00 mi09:44:081:06:0511:0126:01
13:00
+3:23
8M
8.00 mi10:01:031:23:0010:2216:55
8:27
-4:33
10M
10.00 mi10:23:071:45:0410:3022:04
11:02
+2:35
12M
12.00 mi10:46:072:08:0410:4023:00
11:30
+0:28
Finish
13.11 mi10:57:382:19:3510:3911:31
10:23
-1:07

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

8:27 /mi

Average Pace

10:39 /mi

Slowest Pace

13:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

36:09

26% of race

Time at Steady Pace

54:25

39% of race

Time at Slower Pace

49:01

35% of race

Average Pace: 10:39 /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 mi08:58:5320:5010:2520:50
10:25
#2376
4M
4.00 mi09:18:0740:0410:0119:14
9:37
#2214
6M
6.00 mi09:44:081:06:0511:0126:01
13:00
#2278
8M
8.00 mi10:01:031:23:0010:2216:55
8:27
#2358
10M
10.00 mi10:23:071:45:0410:3022:04
11:02
#2331
12M
12.00 mi10:46:072:08:0410:4023:00
11:30
#2286
Finish
13.11 mi10:57:382:19:3510:3911:31
10:23
#2228
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi237614812282192(Top 57%)1339(Top 65%)213(Top 69%)
4M4.00 mi2.00 mi2214+1621400+81217+112089(Top 54%)1334(Top 65%)205(Top 66%)
6M6.00 mi2.00 mi2278-641437-37218-12451(Top 64%)1513(Top 73%)231(Top 75%)
8M8.00 mi2.00 mi2358-801478-41221-32617(Top 68%)1580(Top 77%)233(Top 75%)
10M10.00 mi2.00 mi2331+271461+17222-12230(Top 58%)1399(Top 68%)216(Top 70%)
12M12.00 mi2.00 mi2286+451433+28220+22192(Top 57%)1339(Top 65%)213(Top 69%)
Finish13.11 mi1.11 mi2228+581402+31215+51779(Top 46%)1141(Top 55%)185(Top 60%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 57%
×9story building
+138ft-68ft

Overall

2192

Males

1339

M35-39

213

2M→4M

2.0 - 4.0 mi

Top 54%
×13story building
+163ft-19ft

Overall

2089

Males

1334

M35-39

205

4M→6M

4.0 - 6.0 mi

Top 64%
×4story building
+55ft-83ft

Overall

2451

Males

1513

M35-39

231

6M→8M

6.0 - 8.0 mi

Top 68%
×10story building
+65ft-151ft

Overall

2617

Males

1580

M35-39

233

8M→10M

8.0 - 10.0 mi

Top 58%
×10story building
+61ft-174ft

Overall

2230

Males

1399

M35-39

216

10M→12M

10.0 - 12.0 mi

Top 57%
×3story building
+41ft-53ft

Overall

2192

Males

1339

M35-39

213

12M→Finish

12.0 - 13.1 mi

Top 46%
×1human
+6ft-6ft

Overall

1779

Males

1141

M35-39

185

Passing Analysis

Category:
Athletes Passed
442*
Passed By
294
Net Change
+148
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2376
2M → 4M20038+162#2376#2214
4M → 6M3094-64#2214#2278
6M → 8M1999-80#2278#2358
8M → 10M62*35+27#2358#2331
10M → 12M7227+45#2331#2286
12M → Finish59*1+58#2286#2228
TOTALS442*294+148

* 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