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SF MARATHON 2026

Guichao Zhang

Bib: 6319•M•Age: 38

Lognes

0:00
0:00
/ mi
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Overall
#0 / 7166
Gender (Male)
#0 / 5052
Division (M35-39)
#0 / 717
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
2M
20:34
Rank: #4700
Start → 2M
20:34 | 10:17/mi
4M
41:39
Rank: #4822 (-122)
2M → 4M
21:05 | 10:33/mi
6M
1:02:25
Rank: #4632 (+190)
4M → 6M
20:46 | 10:23/mi
8M
1:23:23
Rank: #4685 (-53)
6M → 8M
20:58 | 10:29/mi
9.6M
1:41:15
Rank: #4634 (+51)
8M → 9.6M
17:52 | 11:10/mi
10M
1:44:05
Rank: #4614 (+20)
9.6M → 10M
2:50 | 7:05/mi
10.5M
1:51:06
Rank: #4558 (+56)
10M → 10.5M
7:01 | 14:02/mi
12M
2:08:37
Rank: #4780 (-222)
10.5M → 12M
17:31 | 11:41/mi
14M
2:32:45
Rank: #4822 (-42)
12M → 14M
24:08 | 12:04/mi
16M
2:50:36
Rank: #4607 (+215)
14M → 16M
17:51 | 8:55/mi
18M
3:20:20
Rank: #4995 (-388)
16M → 18M
29:44 | 14:52/mi
20M
3:47:15
Rank: #5154 (-159)
18M → 20M
26:55 | 13:27/mi
22M
4:13:33
Rank: #5323 (-169)
20M → 22M
26:18 | 13:09/mi
24M
4:39:24
Rank: #5285 (+38)
22M → 24M
25:51 | 12:56/mi
Finish· 26.22 mi
5:02:36
Rank: #5061 (+224)
24M → Finish
23:12 | 10:27/mi

Course Map & Elevation

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Half Splits

1st Half· via 14M
Distance14.00 mi
Time2:32:45
Pace10:55 /mi
2nd Half✓ Faster
Distance12.22 mi
Time2:29:51
Pace12:16 /mi
📊Negative Split: 1.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:48:3220:3410:1720:34
10:17
-
4M
4.00 mi06:09:3741:3910:2521:05
10:33
+0:16
6M
6.00 mi06:30:231:02:2510:2420:46
10:23
-0:10
8M
8.00 mi06:51:211:23:2310:2520:58
10:29
+0:06
9.6M
9.60 mi07:09:131:41:1510:3317:52
11:10
+0:41
10M
10.00 mi07:12:031:44:0510:252:50
7:05
-4:05
10.5M
10.50 mi07:19:041:51:0610:357:01
14:02
+6:57
12M
12.00 mi07:36:352:08:3710:4317:31
11:41
-2:21
14M
14.00 mi08:00:432:32:4510:5524:08
12:04
+0:23
16M
16.00 mi08:18:342:50:3610:4017:51
8:55
-3:09
18M
18.00 mi08:48:183:20:2011:0829:44
14:52
+5:57
20M
20.00 mi09:15:133:47:1511:2226:55
13:27
-1:25
22M
22.00 mi09:41:314:13:3311:3126:18
13:09
-0:18
24M
24.00 mi10:07:224:39:2411:3925:51
12:56
-0:13
Finish
26.22 mi10:30:345:02:3611:3323:12
10:27
-2:29

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

7:05 /mi

Average Pace

11:33 /mi

Slowest Pace

14:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

20:41

7% of race

Time at Steady Pace

2:46:06

55% of race

Time at Slower Pace

1:55:49

38% of race

Average Pace: 11:32 /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...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2M
2.00 mi05:48:3220:3410:1720:34
10:17
#4700
4M
4.00 mi06:09:3741:3910:2521:05
10:33
#4822
6M
6.00 mi06:30:231:02:2510:2420:46
10:23
#4632
8M
8.00 mi06:51:211:23:2310:2520:58
10:29
#4685
9.6M
9.60 mi07:09:131:41:1510:3317:52
11:10
#4634
10M
10.00 mi07:12:031:44:0510:252:50
7:05
#4614
10.5M
10.50 mi07:19:041:51:0610:357:01
14:02
#4558
12M
12.00 mi07:36:352:08:3710:4317:31
11:41
#4780
14M
14.00 mi08:00:432:32:4510:5524:08
12:04
#4822
16M
16.00 mi08:18:342:50:3610:4017:51
8:55
#4607
18M
18.00 mi08:48:183:20:2011:0829:44
14:52
#4995
20M
20.00 mi09:15:133:47:1511:2226:55
13:27
#5154
22M
22.00 mi09:41:314:13:3311:3126:18
13:09
#5323
24M
24.00 mi10:07:224:39:2411:3925:51
12:56
#5285
Finish
26.22 mi10:30:345:02:3611:3323:12
10:27
#5061
Faster pace
Steady pace
Slower pace
Garmin Challenge
Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 58%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:51

Segment Time

10:57/mi

Pace

0.90 mi

Distance

Overall

4157

Men

3224

Division

448

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi470035955025799(Top 81%)4262(Top 84%)596(Top 83%)
4M4.00 mi2.00 mi4822-1223677-82516-144926(Top 69%)3744(Top 74%)515(Top 72%)
6M6.00 mi2.00 mi4632+1903560+117497+194415(Top 62%)3421(Top 68%)474(Top 66%)
8M8.00 mi2.00 mi4685-533594-34503-64964(Top 69%)3777(Top 75%)527(Top 74%)
9.6M9.60 mi1.60 mi4634+513548+46492+114640(Top 65%)3532(Top 70%)487(Top 68%)
10M10.00 mi0.40 mi4614+203539+9493-14228(Top 59%)3287(Top 65%)465(Top 65%)
10.5M10.50 mi0.50 mi4558+563498+41490+34305(Top 60%)3305(Top 65%)460(Top 64%)
12M12.00 mi1.50 mi4780-2223643-145505-155799(Top 81%)4262(Top 84%)596(Top 83%)
14M14.00 mi2.00 mi4822-423654-11508-35170(Top 72%)3868(Top 77%)545(Top 76%)
16M16.00 mi2.00 mi4607+2153519+135492+163391(Top 47%)2627(Top 52%)373(Top 52%)
18M18.00 mi2.00 mi4995-3883743-224523-316435(Top 90%)4575(Top 91%)655(Top 91%)
20M20.00 mi2.00 mi5154-1593833-90540-176021(Top 84%)4291(Top 85%)614(Top 86%)
22M22.00 mi2.00 mi5323-1693929-96556-166104(Top 85%)4324(Top 86%)621(Top 87%)
24M24.00 mi2.00 mi5285+383896+33553+34722(Top 66%)3390(Top 67%)493(Top 69%)
Finish26.22 mi2.22 mi5061+2243748+148536+172825(Top 39%)2102(Top 42%)297(Top 41%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 81%
×1human
+6ft-11ft

Overall

5799

Males

4262

M35-39

600

2M→4M

2.0 - 4.0 mi

Top 69%
×4stories
+75ft-70ft

Overall

4926

Males

3744

M35-39

520

4M→6M

4.0 - 6.0 mi

Top 62%
×5stories
+71ft-18ft

Overall

4415

Males

3421

M35-39

479

6M→8M

6.0 - 8.0 mi

Top 69%
×9stories
+106ft-21ft

Overall

4964

Males

3777

M35-39

530

8M→9.6M

8.0 - 9.6 mi

Top 65%
×13stories
+117ft-177ft

Overall

4640

Males

3532

M35-39

490

9.6M→10M

9.6 - 10.0 mi

Top 59%
×1story
+17ft-12ft

Overall

4228

Males

3287

M35-39

468

10M→10.5M

10.0 - 10.5 mi

Top 60%
×9stories
+0ft-102ft

Overall

4305

Males

3305

M35-39

463

10.5M→12M

10.5 - 12.0 mi

Top 81%
×18stories
+304ft-125ft

Overall

5799

Males

4262

M35-39

600

12M→14M

12.0 - 14.0 mi

Top 72%
×9stories
+99ft-125ft

Overall

5170

Males

3868

M35-39

546

14M→16M

14.0 - 16.0 mi

Top 47%
×9stories
+124ft-78ft

Overall

3391

Males

2627

M35-39

374

16M→18M

16.0 - 18.0 mi

Top 90%
×8stories
+106ft-45ft

Overall

6435

Males

4575

M35-39

656

18M→20M

18.0 - 20.0 mi

Top 84%
×3stories
+52ft-26ft

Overall

6021

Males

4291

M35-39

615

20M→22M

20.0 - 22.0 mi

Top 85%
×21stories
+17ft-266ft

Overall

6104

Males

4324

M35-39

622

22M→24M

22.0 - 24.0 mi

Top 66%
×3stories
+70ft-85ft

Overall

4722

Males

3390

M35-39

493

24M→Finish

24.0 - 26.2 mi

Top 39%
~flat
+2ft-2ft

Overall

2825

Males

2102

M35-39

297

Passing Analysis

Category:
Athletes Passed
1269*
Passed By
1630
Net Change
-361
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4700
2M → 4M106*228-122#4700#4822
4M → 6M22838+190#4822#4632
6M → 8M52*105-53#4632#4685
8M → 9.6M102*51+51#4685#4634
9.6M → 10M3010+20#4634#4614
10M → 10.5M7822+56#4614#4558
10.5M → 12M11233-222#4558#4780
12M → 14M60*102-42#4780#4822
14M → 16M236*21+215#4822#4607
16M → 18M12400-388#4607#4995
18M → 20M27*186-159#4995#5154
20M → 22M20*189-169#5154#5323
22M → 24M79*41+38#5323#5285
24M → Finish228*4+224#5285#5061
TOTALS1269*1630-361

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

📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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