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SF MARATHON 2ND HALF 2026

Damon Zhangchai

Bib: 22833•M•Age: 34

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Top 26%
Gender (Male)
#0 / 2065
Top 34%
Division (M30-34)
#0 / 453
Top 35%
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
8:42/mi
17:25
↑ 138↓ 680.7%
4M
8:18/mi
34:00
↑ 1631.4%
6M
10:51/mi
55:43
↑ 55↓ 830.3%
8M
6:38/mi
1:09:00
↑ 65↓ 1510.8%
10M
9:08/mi
1:27:15
↑ 61↓ 1741.1%
12M
9:38/mi
1:46:31
↑ 41↓ 530.1%
Finish· 13.11 mi
8:57/mi
1:56:27
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time55:43
Pace9:17 /mi
2nd Half
Distance7.11 mi
Time1:00:44
Pace8:33 /mi
📊Positive Split: 9.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:53:4117:258:4217:25
8:42
-
4M
4.00 mi09:10:1634:008:3016:35
8:18
-0:24
6M
6.00 mi09:31:5955:439:1721:43
10:51
+2:33
8M
8.00 mi09:45:161:09:008:3713:17
6:38
-4:13
10M
10.00 mi10:03:311:27:158:4418:15
9:08
+2:30
12M
12.00 mi10:22:471:46:318:5319:16
9:38
+0:30
Finish
13.11 mi10:32:431:56:278:539:56
8:57
-0:41

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

6:38 /mi

Average Pace

8:53 /mi

Slowest Pace

10:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

29:52

26% of race

Time at Steady Pace

45:36

39% of race

Time at Slower Pace

40:59

35% of race

Average Pace: 8:53 /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 mi08:53:4117:258:4217:25
8:42
#953
4M
4.00 mi09:10:1634:008:3016:35
8:18
#964
6M
6.00 mi09:31:5955:439:1721:43
10:51
#998
8M
8.00 mi09:45:161:09:008:3713:17
6:38
#988
10M
10.00 mi10:03:311:27:158:4418:15
9:08
#993
12M
12.00 mi10:22:471:46:318:5319:16
9:38
#999
Finish
13.11 mi10:32:431:56:278:539:56
8:57
#982
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2M2.00 mi2.00 mi9536981641121(Top 29%)777(Top 38%)172(Top 38%)
4M4.00 mi2.00 mi964-11698157+71029(Top 27%)739(Top 36%)161(Top 36%)
6M6.00 mi2.00 mi998-34719-21161-41107(Top 29%)790(Top 38%)179(Top 40%)
8M8.00 mi2.00 mi988+10713+6160+1965(Top 25%)701(Top 34%)159(Top 35%)
10M10.00 mi2.00 mi993-5712+1157+31031(Top 27%)742(Top 36%)165(Top 36%)
12M12.00 mi2.00 mi999-6720-8159-21121(Top 29%)777(Top 38%)172(Top 38%)
Finish13.11 mi1.11 mi982+17709+11157+2940(Top 24%)668(Top 32%)145(Top 32%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 29%
×9story building
+138ft-68ft

Overall

1121

Males

777

M30-34

172

2M→4M

2.0 - 4.0 mi

Top 27%
×13story building
+163ft-19ft

Overall

1029

Males

739

M30-34

161

4M→6M

4.0 - 6.0 mi

Top 29%
×4story building
+55ft-83ft

Overall

1107

Males

790

M30-34

179

6M→8M

6.0 - 8.0 mi

Top 25%
×10story building
+65ft-151ft

Overall

965

Males

701

M30-34

159

8M→10M

8.0 - 10.0 mi

Top 27%
×10story building
+61ft-174ft

Overall

1031

Males

742

M30-34

165

10M→12M

10.0 - 12.0 mi

Top 29%
×3story building
+41ft-53ft

Overall

1121

Males

777

M30-34

172

12M→Finish

12.0 - 13.1 mi

Top 24%
×1human
+6ft-6ft

Overall

940

Males

668

M30-34

145

Passing Analysis

Category:
Athletes Passed
170*
Passed By
199
Net Change
-29
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#953
2M → 4M5566-11#953#964
4M → 6M1751-34#964#998
6M → 8M2616+10#998#988
8M → 10M19*24-5#988#993
10M → 12M2632-6#993#999
12M → Finish2710+17#999#982
TOTALS170*199-29

* 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