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SF MARATHON 2026

Guangdu Shang

Bib: 9584•M•Age: 25

Fremont, CA

0:00
0:00
/ mi
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Overall
#0 / 7166
Gender (Male)
#0 / 5052
Division (M25-29)
#0 / 1176
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
20:45
Rank: #4875
Start → 2M
20:45 | 10:22/mi
4M
41:19
Rank: #4671 (+204)
2M → 4M
20:34 | 10:17/mi
6M
1:07:11
Rank: #5776 (-1105)
4M → 6M
25:52 | 12:56/mi
8M
1:27:28
Rank: #5469 (+307)
6M → 8M
20:17 | 10:08/mi
9.6M
1:44:58
Rank: #5215 (+254)
8M → 9.6M
17:30 | 10:56/mi
10M
1:47:45
Rank: #5174 (+41)
9.6M → 10M
2:47 | 6:58/mi
10.5M
1:55:32
Rank: #5186 (-12)
10M → 10.5M
7:47 | 15:34/mi
12M
2:13:36
Rank: #5345 (-159)
10.5M → 12M
18:04 | 12:03/mi
14M
2:36:48
Rank: #5220 (+125)
12M → 14M
23:12 | 11:36/mi
16M
2:59:46
Rank: #5374 (-154)
14M → 16M
22:58 | 11:29/mi
18M
3:22:44
Rank: #5157 (+217)
16M → 18M
22:58 | 11:29/mi
20M
3:46:02
Rank: #5083 (+74)
18M → 20M
23:18 | 11:39/mi
22M
4:07:13
Rank: #4957 (+126)
20M → 22M
21:11 | 10:35/mi
24M
4:31:26
Rank: #4847 (+110)
22M → 24M
24:13 | 12:07/mi
Finish· 26.22 mi
4:55:51
Rank: #4742 (+105)
24M → Finish
24:25 | 11:00/mi

The Course

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Half Splits

1st Half· via 14M
Distance14.00 mi
Time2:36:48
Pace11:12 /mi
2nd Half✓ Faster
Distance12.22 mi
Time2:19:03
Pace11:23 /mi
📊Negative Split: 11.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:00:1920:4510:2220:45
10:22
-
4M
4.00 mi06:20:5341:1910:2020:34
10:17
-0:05
6M
6.00 mi06:46:451:07:1111:1225:52
12:56
+2:39
8M
8.00 mi07:07:021:27:2810:5620:17
10:08
-2:48
9.6M
9.60 mi07:24:321:44:5810:5617:30
10:56
+0:48
10M
10.00 mi07:27:191:47:4510:472:47
6:58
-3:58
10.5M
10.50 mi07:35:061:55:3211:007:47
15:34
+8:36
12M
12.00 mi07:53:102:13:3611:0818:04
12:03
-3:31
14M
14.00 mi08:16:222:36:4811:1223:12
11:36
-0:27
16M
16.00 mi08:39:202:59:4611:1422:58
11:29
-0:07
18M
18.00 mi09:02:183:22:4411:1622:58
11:29
0:00
20M
20.00 mi09:25:363:46:0211:1823:18
11:39
+0:10
22M
22.00 mi09:46:474:07:1311:1421:11
10:35
-1:04
24M
24.00 mi10:11:004:31:2611:1924:13
12:07
+1:32
Finish
26.22 mi10:35:254:55:5111:1824:25
11:00
-1:07

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

6:58 /mi

Average Pace

11:18 /mi

Slowest Pace

15:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:34

29% of race

Time at Steady Pace

2:56:38

60% of race

Time at Slower Pace

33:39

11% of race

Average Pace: 11:17 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2M
2.00 mi06:00:1920:4510:2220:45
10:22
#4875
4M
4.00 mi06:20:5341:1910:2020:34
10:17
#4671
6M
6.00 mi06:46:451:07:1111:1225:52
12:56
#5776
8M
8.00 mi07:07:021:27:2810:5620:17
10:08
#5469
9.6M
9.60 mi07:24:321:44:5810:5617:30
10:56
#5215
10M
10.00 mi07:27:191:47:4510:472:47
6:58
#5174
10.5M
10.50 mi07:35:061:55:3211:007:47
15:34
#5186
12M
12.00 mi07:53:102:13:3611:0818:04
12:03
#5345
14M
14.00 mi08:16:222:36:4811:1223:12
11:36
#5220
16M
16.00 mi08:39:202:59:4611:1422:58
11:29
#5374
18M
18.00 mi09:02:183:22:4411:1622:58
11:29
#5157
20M
20.00 mi09:25:363:46:0211:1823:18
11:39
#5083
22M
22.00 mi09:46:474:07:1311:1421:11
10:35
#4957
24M
24.00 mi10:11:004:31:2611:1924:13
12:07
#4847
Finish
26.22 mi10:35:254:55:5111:1824:25
11:00
#4742
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Garmin Challenge
Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 71%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:34

Segment Time

11:45/mi

Pace

0.90 mi

Distance

Overall

5056

Men

3782

Division

923

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi487537068806048(Top 84%)4424(Top 88%)1057(Top 90%)
4M4.00 mi2.00 mi4671+2043574+132857+234497(Top 63%)3468(Top 69%)835(Top 71%)
6M6.00 mi2.00 mi5776-11054250-6761012-1556797(Top 95%)4847(Top 96%)1136(Top 97%)
8M8.00 mi2.00 mi5469+3074073+177982+304433(Top 62%)3431(Top 68%)835(Top 71%)
9.6M9.60 mi1.60 mi5215+2543922+151947+354344(Top 61%)3349(Top 66%)823(Top 70%)
10M10.00 mi0.40 mi5174+413891+31942+53943(Top 55%)3105(Top 61%)761(Top 65%)
10.5M10.50 mi0.50 mi5186-123904-13947-55575(Top 78%)4094(Top 81%)981(Top 83%)
12M12.00 mi1.50 mi5345-1593995-91970-236048(Top 84%)4424(Top 88%)1057(Top 90%)
14M14.00 mi2.00 mi5220+1253918+77956+144696(Top 66%)3562(Top 71%)872(Top 74%)
16M16.00 mi2.00 mi5374-1543993-75971-155869(Top 82%)4256(Top 84%)1017(Top 86%)
18M18.00 mi2.00 mi5157+2173846+147941+303926(Top 55%)2980(Top 59%)736(Top 63%)
20M20.00 mi2.00 mi5083+743784+62932+94503(Top 63%)3309(Top 65%)811(Top 69%)
22M22.00 mi2.00 mi4957+1263697+87914+183822(Top 53%)2819(Top 56%)694(Top 59%)
24M24.00 mi2.00 mi4847+1103618+79899+153985(Top 56%)2886(Top 57%)719(Top 61%)
Finish26.22 mi2.22 mi4742+1053538+80873+263490(Top 49%)2540(Top 50%)649(Top 55%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 84%
×1human
+6ft-11ft

Overall

6048

Males

4424

M25-29

1065

2M→4M

2.0 - 4.0 mi

Top 63%
×4stories
+75ft-70ft

Overall

4497

Males

3468

M25-29

841

4M→6M

4.0 - 6.0 mi

Top 95%
×5stories
+71ft-18ft

Overall

6797

Males

4847

M25-29

1147

6M→8M

6.0 - 8.0 mi

Top 62%
×9stories
+106ft-21ft

Overall

4433

Males

3431

M25-29

841

8M→9.6M

8.0 - 9.6 mi

Top 61%
×13stories
+117ft-177ft

Overall

4344

Males

3349

M25-29

827

9.6M→10M

9.6 - 10.0 mi

Top 55%
×1story
+17ft-12ft

Overall

3943

Males

3105

M25-29

765

10M→10.5M

10.0 - 10.5 mi

Top 78%
×9stories
+0ft-102ft

Overall

5575

Males

4094

M25-29

988

10.5M→12M

10.5 - 12.0 mi

Top 84%
×18stories
+304ft-125ft

Overall

6048

Males

4424

M25-29

1065

12M→14M

12.0 - 14.0 mi

Top 66%
×9stories
+99ft-125ft

Overall

4696

Males

3562

M25-29

876

14M→16M

14.0 - 16.0 mi

Top 82%
×9stories
+124ft-78ft

Overall

5869

Males

4256

M25-29

1020

16M→18M

16.0 - 18.0 mi

Top 55%
×8stories
+106ft-45ft

Overall

3926

Males

2980

M25-29

739

18M→20M

18.0 - 20.0 mi

Top 63%
×3stories
+52ft-26ft

Overall

4503

Males

3309

M25-29

812

20M→22M

20.0 - 22.0 mi

Top 53%
×21stories
+17ft-266ft

Overall

3822

Males

2819

M25-29

695

22M→24M

22.0 - 24.0 mi

Top 56%
×3stories
+70ft-85ft

Overall

3985

Males

2886

M25-29

720

24M→Finish

24.0 - 26.2 mi

Top 49%
~flat
+2ft-2ft

Overall

3490

Males

2540

M25-29

649

Passing Analysis

Category:
Athletes Passed
1915*
Passed By
1782
Net Change
+133
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4875
2M → 4M280*76+204#4875#4671
4M → 6M261131-1105#4671#5776
6M → 8M317*10+307#5776#5469
8M → 9.6M264*10+254#5469#5215
9.6M → 10M421+41#5215#5174
10M → 10.5M4456-12#5174#5186
10.5M → 12M26185-159#5186#5345
12M → 14M140*15+125#5345#5220
14M → 16M57*211-154#5220#5374
16M → 18M23821+217#5374#5157
18M → 20M99*25+74#5157#5083
20M → 22M137*11+126#5083#4957
22M → 24M124*14+110#4957#4847
24M → Finish121*16+105#4847#4742
TOTALS1915*1782+133

* 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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