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SF MARATHON 1ST HALF 2026

Xiaodong Zhou

Bib: 14073•M•Age: 62

Houston, TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Masters (Masters Men)
#0 / 1030
Division (M60-64)
#0 / 87
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
10:41/mi
21:22
→ flat
4M
10:27/mi
42:16
↑ 67↓ 69
6M
10:55/mi
1:04:06
↑ 1231.1%
8M
11:14/mi
1:26:35
↑ 166↓ 531.1%
9.6M
11:14/mi
1:44:34
↑ 68↓ 1931.5%
10M
20:41/mi
1:52:50
↓ 241.1%
10.5M
5:38/mi
1:55:39
↓ 732.7%
12M
17:35/mi
2:22:02
↑ 2803.2%
Finish· 13.11 mi
11:51/mi
2:35:11
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:04:06
Pace10:41 /mi
2nd Half
Distance7.11 mi
Time1:31:05
Pace12:49 /mi
📊Positive Split: 42.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:51:5521:2210:4121:22
10:41
-
4M
4.00 mi07:12:4942:1610:3420:54
10:27
-0:14
6M
6.00 mi07:34:391:04:0610:4121:50
10:55
+0:28
8M
8.00 mi07:57:081:26:3510:4922:29
11:14
+0:19
9.6M
9.60 mi08:15:071:44:3410:5417:59
11:14
0:00
10M
10.00 mi08:23:231:52:5011:178:16
20:41
+9:27
10.5M
10.50 mi08:26:121:55:3911:012:49
5:38
-15:03
12M
12.00 mi08:52:352:22:0211:5026:23
17:35
+11:57
Finish
13.11 mi09:05:442:35:1111:5013:09
11:51
-5:44

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

5:38 /mi

Average Pace

11:50 /mi

Slowest Pace

20:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49

2% of race

Time at Steady Pace

1:57:43

76% of race

Time at Slower Pace

34:39

22% of race

Average Pace: 11:50 /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 mi06:51:5521:2210:4121:22
10:41
#4199
4M
4.00 mi07:12:4942:1610:3420:54
10:27
#3799
6M
6.00 mi07:34:391:04:0610:4121:50
10:55
#3763
8M
8.00 mi07:57:081:26:3510:4922:29
11:14
#3725
9.6M
9.60 mi08:15:071:44:3410:5417:59
11:14
#4002
10M
10.00 mi08:23:231:52:5011:178:16
20:41
#3976
10.5M
10.50 mi08:26:121:55:3911:012:49
5:38
#3988
12M
12.00 mi08:52:352:22:0211:5026:23
17:35
#4280
Finish
13.11 mi09:05:442:35:1111:5013:09
11:51
#4320
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 60%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:05

Segment Time

12:19/mi

Pace

0.90 mi

Distance

Overall

3973

Men

2495

Division

49

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
2M2.00 mi2.00 mi41992680465208(Top 79%)3018(Top 83%)65(Top 75%)
4M4.00 mi2.00 mi3799+4002477+20339+73458(Top 53%)2294(Top 63%)35(Top 40%)
6M6.00 mi2.00 mi3763+362460+1741-23788(Top 58%)2470(Top 68%)43(Top 49%)
8M8.00 mi2.00 mi3725+382447+1339+23802(Top 58%)2478(Top 68%)44(Top 51%)
9.6M9.60 mi1.60 mi4002-2772575-12844-55245(Top 80%)3027(Top 84%)67(Top 77%)
10M10.00 mi0.40 mi3976+262551+24443866(Top 59%)2439(Top 67%)48(Top 55%)
10.5M10.50 mi0.50 mi3988-122556-5444713(Top 72%)2853(Top 79%)51(Top 59%)
12M12.00 mi1.50 mi4280-2922679-12348-45208(Top 79%)3018(Top 83%)65(Top 75%)
Finish13.11 mi1.11 mi4320-402696-1751-34803(Top 73%)2826(Top 78%)60(Top 69%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 79%
~flat
+5ft-3ft

Overall

5208

Males

3018

M60-64

65

2M→4M

2.0 - 4.0 mi

Top 53%
×4story building
+67ft-69ft

Overall

3458

Males

2294

M60-64

35

4M→6M

4.0 - 6.0 mi

Top 58%
×9story building
+123ft-9ft

Overall

3788

Males

2470

M60-64

43

6M→8M

6.0 - 8.0 mi

Top 58%
×12story building
+166ft-53ft

Overall

3802

Males

2478

M60-64

44

8M→9.6M

8.0 - 9.6 mi

Top 80%
×13story building
+68ft-193ft

Overall

5245

Males

3027

M60-64

67

9.6M→10M

9.6 - 10.0 mi

Top 59%
×2story building
+0ft-24ft

Overall

3866

Males

2439

M60-64

48

10M→10.5M

10.0 - 10.5 mi

Top 72%
×6story building
+1ft-73ft

Overall

4713

Males

2853

M60-64

51

10.5M→12M

10.5 - 12.0 mi

Top 79%
×21story building
+280ft-26ft

Overall

5208

Males

3018

M60-64

65

12M→Finish

12.0 - 13.1 mi

Top 73%
×7story building
+14ft-89ft

Overall

4803

Males

2826

M60-64

60

Passing Analysis

Category:
Athletes Passed
880*
Passed By
1001
Net Change
-121
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4199
2M → 4M43434+400#4199#3799
4M → 6M136*100+36#3799#3763
6M → 8M163*125+38#3763#3725
8M → 9.6M13290-277#3725#4002
9.6M → 10M6135+26#4002#3976
10M → 10.5M517-12#3976#3988
10.5M → 12M22*314-292#3988#4280
12M → Finish46*86-40#4280#4320
TOTALS880*1001-121

* 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

Race Place Events

Race Place Events