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SF MARATHON 1ST HALF 2026

Zhendong Li

Bib: 17544•M•Age: 35

Sunnyvale, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 4%
Gender (Male)
#0 / 3619
Top 6%
Division (M35-39)
#0 / 582
Top 7%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
16:48
Rank: #812
Start → 2M
16:48 | 8:24/mi
4M
32:22
Rank: #513 (+299)
2M → 4M
15:34 | 7:47/mi
6M
47:12
Rank: #393 (+120)
4M → 6M
14:50 | 7:25/mi
8M
1:01:47
Rank: #299 (+94)
6M → 8M
14:35 | 7:17/mi
9.6M
1:13:27
Rank: #327 (-28)
8M → 9.6M
11:40 | 7:17/mi
10M
1:18:44
Rank: #297 (+30)
9.6M → 10M
5:17 | 13:13/mi
10.5M
1:20:34
Rank: #291 (+6)
10M → 10.5M
1:50 | 3:40/mi
12M
1:35:25
Rank: #265 (+26)
10.5M → 12M
14:51 | 9:54/mi
Finish· 13.11 mi
1:43:43
Rank: #244 (+21)
12M → Finish
8:18 | 7:29/mi

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time47:12
Pace7:52 /mi
2nd Half
Distance7.11 mi
Time56:31
Pace7:57 /mi
📊Positive Split: 19.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:00:2716:488:2416:48
8:24
-
4M
4.00 mi07:16:0132:228:0615:34
7:47
-0:37
6M
6.00 mi07:30:5147:127:5214:50
7:25
-0:22
8M
8.00 mi07:45:261:01:477:4314:35
7:17
-0:08
9.6M
9.60 mi07:57:061:13:277:3911:40
7:17
0:00
10M
10.00 mi08:02:231:18:447:525:17
13:13
+5:56
10.5M
10.50 mi08:04:131:20:347:401:50
3:40
-9:33
12M
12.00 mi08:19:041:35:257:5714:51
9:54
+6:14
Finish
13.11 mi08:27:221:43:437:558:18
7:29
-2:25

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

3:40 /mi

Average Pace

7:55 /mi

Slowest Pace

13:13 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50

2% of race

Time at Steady Pace

1:21:45

79% of race

Time at Slower Pace

20:08

19% of race

Average Pace: 7:55 /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 mi07:00:2716:488:2416:48
8:24
#812
4M
4.00 mi07:16:0132:228:0615:34
7:47
#513
6M
6.00 mi07:30:5147:127:5214:50
7:25
#393
8M
8.00 mi07:45:261:01:477:4314:35
7:17
#299
9.6M
9.60 mi07:57:061:13:277:3911:40
7:17
#327
10M
10.00 mi08:02:231:18:447:525:17
13:13
#297
10.5M
10.50 mi08:04:131:20:347:401:50
3:40
#291
12M
12.00 mi08:19:041:35:257:5714:51
9:54
#265
Finish
13.11 mi08:27:221:43:437:558:18
7:29
#244
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 3%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

7:07

Segment Time

7:55/mi

Pace

0.90 mi

Distance

Overall

170

Men

158

Division

33

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi812666121222(Top 3%)184(Top 5%)26(Top 4%)
4M4.00 mi2.00 mi513+299433+23376+45327(Top 5%)280(Top 8%)51(Top 9%)
6M6.00 mi2.00 mi393+120333+10059+17170(Top 3%)155(Top 4%)25(Top 4%)
8M8.00 mi2.00 mi299+94262+7146+13174(Top 3%)156(Top 4%)32(Top 5%)
9.6M9.60 mi1.60 mi327-28282-2051-5889(Top 14%)624(Top 17%)103(Top 18%)
10M10.00 mi0.40 mi297+30258+2447+4216(Top 3%)176(Top 5%)33(Top 6%)
10.5M10.50 mi0.50 mi291+6252+646+1211(Top 3%)196(Top 5%)36(Top 6%)
12M12.00 mi1.50 mi265+26232+2044+2222(Top 3%)184(Top 5%)26(Top 4%)
Finish13.11 mi1.11 mi244+21219+1342+2268(Top 4%)241(Top 7%)42(Top 7%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 3%
~flat
+5ft-3ft

Overall

222

Males

184

M35-39

26

2M→4M

2.0 - 4.0 mi

Top 5%
×4stories
+67ft-69ft

Overall

327

Males

280

M35-39

51

4M→6M

4.0 - 6.0 mi

Top 3%
×9stories
+123ft-9ft

Overall

170

Males

155

M35-39

25

6M→8M

6.0 - 8.0 mi

Top 3%
×12stories
+166ft-53ft

Overall

174

Males

156

M35-39

32

8M→9.6M

8.0 - 9.6 mi

Top 14%
×13stories
+68ft-193ft

Overall

889

Males

624

M35-39

103

9.6M→10M

9.6 - 10.0 mi

Top 3%
×2stories
+0ft-24ft

Overall

216

Males

176

M35-39

33

10M→10.5M

10.0 - 10.5 mi

Top 3%
×6stories
+1ft-73ft

Overall

211

Males

196

M35-39

36

10.5M→12M

10.5 - 12.0 mi

Top 3%
×21stories
+280ft-26ft

Overall

222

Males

184

M35-39

26

12M→Finish

12.0 - 13.1 mi

Top 4%
×7stories
+14ft-89ft

Overall

268

Males

241

M35-39

42

Passing Analysis

Category:
Athletes Passed
631*
Passed By
63
Net Change
+568
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#812
2M → 4M2990+299#812#513
4M → 6M1200+120#513#393
6M → 8M984+94#393#299
8M → 9.6M1543-28#299#327
9.6M → 10M300+30#327#297
10M → 10.5M60+6#297#291
10.5M → 12M3913+26#291#265
12M → Finish24*3+21#265#244
TOTALS631*63+568

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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The San Francisco Marathon

The San Francisco Marathon

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