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SF MARATHON 1ST HALF 2026

Nanxin Zhao

Bib: 16750•M•Age: 35

Redwood City, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 35%
Gender (Male)
#0 / 3619
Top 45%
Division (M35-39)
#0 / 582
Top 47%
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
8:27/mi
16:54
→ flat
4M
8:41/mi
34:16
↑ 67↓ 69
6M
9:22/mi
53:00
↑ 1231.1%
8M
11:07/mi
1:15:14
↑ 166↓ 531.1%
9.6M
7:47/mi
1:27:41
↑ 68↓ 1931.5%
10M
24:42/mi
1:37:33
↓ 241.1%
10.5M
5:50/mi
1:40:28
↓ 732.7%
12M
14:56/mi
2:02:52
↑ 2803.2%
Finish· 13.11 mi
9:20/mi
2:13:13
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time53:00
Pace8:50 /mi
2nd Half
Distance7.11 mi
Time1:20:13
Pace11:17 /mi
📊Positive Split: 51.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:55:0616:548:2716:54
8:27
-
4M
4.00 mi07:12:2834:168:3417:22
8:41
+0:14
6M
6.00 mi07:31:1253:008:5018:44
9:22
+0:41
8M
8.00 mi07:53:261:15:149:2422:14
11:07
+1:45
9.6M
9.60 mi08:05:531:27:419:0812:27
7:47
-3:20
10M
10.00 mi08:15:451:37:339:459:52
24:42
+16:55
10.5M
10.50 mi08:18:401:40:289:342:55
5:50
-18:52
12M
12.00 mi08:41:042:02:5210:1422:24
14:56
+9:06
Finish
13.11 mi08:51:252:13:1310:1010:21
9:20
-5:36

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

5:50 /mi

Average Pace

10:10 /mi

Slowest Pace

24:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55

2% of race

Time at Steady Pace

1:38:02

74% of race

Time at Slower Pace

32:16

24% of race

Average Pace: 10:10 /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 mi06:55:0616:548:2716:54
8:27
#862
4M
4.00 mi07:12:2834:168:3417:22
8:41
#939
6M
6.00 mi07:31:1253:008:5018:44
9:22
#1202
8M
8.00 mi07:53:261:15:149:2422:14
11:07
#1855
9.6M
9.60 mi08:05:531:27:419:0812:27
7:47
#1709
10M
10.00 mi08:15:451:37:339:459:52
24:42
#2071
10.5M
10.50 mi08:18:401:40:289:342:55
5:50
#2138
12M
12.00 mi08:41:042:02:5210:1422:24
14:56
#2356
Finish
13.11 mi08:51:252:13:1310:1010:21
9:20
#2307
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 82%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:47

Segment Time

14:12/mi

Pace

0.90 mi

Distance

Overall

5403

Men

3120

Division

520

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi8626991273493(Top 53%)2212(Top 61%)380(Top 65%)
4M4.00 mi2.00 mi939-77761-62144-171026(Top 16%)828(Top 23%)157(Top 27%)
6M6.00 mi2.00 mi1202-263950-189179-351879(Top 29%)1400(Top 39%)245(Top 42%)
8M8.00 mi2.00 mi1855-6531399-449245-663669(Top 56%)2404(Top 66%)402(Top 69%)
9.6M9.60 mi1.60 mi1709+1461285+114220+251322(Top 20%)875(Top 24%)143(Top 25%)
10M10.00 mi0.40 mi2071-3621510-225256-365520(Top 84%)3162(Top 87%)520(Top 89%)
10.5M10.50 mi0.50 mi2138-671542-32265-95054(Top 77%)2994(Top 83%)493(Top 85%)
12M12.00 mi1.50 mi2356-2181665-123281-163493(Top 53%)2212(Top 61%)380(Top 65%)
Finish13.11 mi1.11 mi2307+491634+31276+52050(Top 31%)1470(Top 41%)237(Top 41%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 53%
~flat
+5ft-3ft

Overall

3493

Males

2212

M35-39

380

2M→4M

2.0 - 4.0 mi

Top 16%
×4story building
+67ft-69ft

Overall

1026

Males

828

M35-39

157

4M→6M

4.0 - 6.0 mi

Top 29%
×9story building
+123ft-9ft

Overall

1879

Males

1400

M35-39

245

6M→8M

6.0 - 8.0 mi

Top 56%
×12story building
+166ft-53ft

Overall

3669

Males

2404

M35-39

402

8M→9.6M

8.0 - 9.6 mi

Top 20%
×13story building
+68ft-193ft

Overall

1322

Males

875

M35-39

143

9.6M→10M

9.6 - 10.0 mi

Top 84%
×2story building
+0ft-24ft

Overall

5520

Males

3162

M35-39

520

10M→10.5M

10.0 - 10.5 mi

Top 77%
×6story building
+1ft-73ft

Overall

5054

Males

2994

M35-39

493

10.5M→12M

10.5 - 12.0 mi

Top 53%
×21story building
+280ft-26ft

Overall

3493

Males

2212

M35-39

380

12M→Finish

12.0 - 13.1 mi

Top 31%
×7story building
+14ft-89ft

Overall

2050

Males

1470

M35-39

237

Passing Analysis

Category:
Athletes Passed
317*
Passed By
1762
Net Change
-1445
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#862
2M → 4M33110-77#862#939
4M → 6M7270-263#939#1202
6M → 8M3656-653#1202#1855
8M → 9.6M19852+146#1855#1709
9.6M → 10M2364-362#1709#2071
10M → 10.5M067-67#2071#2138
10.5M → 12M15233-218#2138#2356
12M → Finish59*10+49#2356#2307
TOTALS317*1762-1445

* 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