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SF MARATHON 2026

David Kuo

Bib: 5333•M•Age: 36

Santa Clara, CA

0:00
0:00
/ mi
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Overall
#0 / 7166
Top 16%
Gender (Male)
#0 / 5052
Top 20%
Division (M35-39)
#0 / 717
Top 20%
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
18:02
Rank: #2310
Start → 2M
18:02 | 9:01/mi
4M
35:51
Rank: #2128 (+182)
2M → 4M
17:49 | 8:55/mi
6M
53:39
Rank: #2055 (+73)
4M → 6M
17:48 | 8:54/mi
8M
1:11:01
Rank: #2003 (+52)
6M → 8M
17:22 | 8:41/mi
9.6M
1:26:01
Rank: #2021 (-18)
8M → 9.6M
15:00 | 9:22/mi
10M
1:28:24
Rank: #2007 (+14)
9.6M → 10M
2:23 | 5:58/mi
10.5M
1:34:18
Rank: #1989 (+18)
10M → 10.5M
5:54 | 11:48/mi
12M
1:46:37
Rank: #1919 (+70)
10.5M → 12M
12:19 | 8:13/mi
14M
2:05:03
Rank: #1841 (+78)
12M → 14M
18:26 | 9:13/mi
16M
2:18:51
Rank: #1605 (+236)
14M → 16M
13:48 | 6:54/mi
18M
2:38:28
Rank: #1623 (-18)
16M → 18M
19:37 | 9:49/mi
20M
2:55:41
Rank: #1484 (+139)
18M → 20M
17:13 | 8:36/mi
22M
3:11:16
Rank: #1357 (+127)
20M → 22M
15:35 | 7:47/mi
24M
3:29:31
Rank: #1262 (+95)
22M → 24M
18:15 | 9:08/mi
Finish· 26.22 mi
3:48:29
Rank: #1174 (+88)
24M → Finish
18:58 | 8:33/mi

Course Map & Elevation

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Half Splits

1st Half· via 14M
Distance14.00 mi
Time2:05:03
Pace8:56 /mi
2nd Half✓ Faster
Distance12.22 mi
Time1:43:26
Pace8:28 /mi
📊Negative Split: 17.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:40:3618:029:0118:02
9:01
-
4M
4.00 mi05:58:2535:518:5817:49
8:55
-0:06
6M
6.00 mi06:16:1353:398:5717:48
8:54
-0:01
8M
8.00 mi06:33:351:11:018:5317:22
8:41
-0:13
9.6M
9.60 mi06:48:351:26:018:5815:00
9:22
+0:41
10M
10.00 mi06:50:581:28:248:502:23
5:58
-3:24
10.5M
10.50 mi06:56:521:34:188:595:54
11:48
+5:50
12M
12.00 mi07:09:111:46:378:5312:19
8:13
-3:35
14M
14.00 mi07:27:372:05:038:5618:26
9:13
+1:00
16M
16.00 mi07:41:252:18:518:4113:48
6:54
-2:19
18M
18.00 mi08:01:022:38:288:4819:37
9:49
+2:55
20M
20.00 mi08:18:152:55:418:4717:13
8:36
-1:13
22M
22.00 mi08:33:503:11:168:4215:35
7:47
-0:49
24M
24.00 mi08:52:053:29:318:4418:15
9:08
+1:21
Finish
26.22 mi09:11:033:48:298:4318:58
8:33
-0:35

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

5:58 /mi

Average Pace

8:43 /mi

Slowest Pace

11:48 /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

44:05

19% of race

Time at Steady Pace

2:38:53

70% of race

Time at Slower Pace

25:31

11% of race

Average Pace: 8:43 /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 mi05:40:3618:029:0118:02
9:01
#2310
4M
4.00 mi05:58:2535:518:5817:49
8:55
#2128
6M
6.00 mi06:16:1353:398:5717:48
8:54
#2055
8M
8.00 mi06:33:351:11:018:5317:22
8:41
#2003
9.6M
9.60 mi06:48:351:26:018:5815:00
9:22
#2021
10M
10.00 mi06:50:581:28:248:502:23
5:58
#2007
10.5M
10.50 mi06:56:521:34:188:595:54
11:48
#1989
12M
12.00 mi07:09:111:46:378:5312:19
8:13
#1919
14M
14.00 mi07:27:372:05:038:5618:26
9:13
#1841
16M
16.00 mi07:41:252:18:518:4113:48
6:54
#1605
18M
18.00 mi08:01:022:38:288:4819:37
9:49
#1623
20M
20.00 mi08:18:152:55:418:4717:13
8:36
#1484
22M
22.00 mi08:33:503:11:168:4215:35
7:47
#1357
24M
24.00 mi08:52:053:29:318:4418:15
9:08
#1262
Finish
26.22 mi09:11:033:48:298:4318:58
8:33
#1174
Faster pace
Steady pace
Slower pace
Garmin Challenge
Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 25%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:17

Segment Time

9:12/mi

Pace

0.90 mi

Distance

Overall

1785

Men

1534

Division

214

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi231019402641604(Top 22%)1366(Top 27%)185(Top 26%)
4M4.00 mi2.00 mi2128+1821803+137248+162028(Top 28%)1717(Top 34%)236(Top 33%)
6M6.00 mi2.00 mi2055+731749+54240+81997(Top 28%)1712(Top 34%)234(Top 33%)
8M8.00 mi2.00 mi2003+521703+46236+41887(Top 26%)1606(Top 32%)216(Top 30%)
9.6M9.60 mi1.60 mi2021-181721-18232+42259(Top 32%)1921(Top 38%)255(Top 36%)
10M10.00 mi0.40 mi2007+141708+13231+11564(Top 22%)1345(Top 27%)183(Top 26%)
10.5M10.50 mi0.50 mi1989+181695+13227+42028(Top 28%)1724(Top 34%)235(Top 33%)
12M12.00 mi1.50 mi1919+701640+55221+61604(Top 22%)1366(Top 27%)185(Top 26%)
14M14.00 mi2.00 mi1841+781574+66216+51468(Top 20%)1274(Top 25%)179(Top 25%)
16M16.00 mi2.00 mi1605+2361376+198192+24815(Top 11%)709(Top 14%)104(Top 15%)
18M18.00 mi2.00 mi1623-181389-13195-32035(Top 28%)1677(Top 33%)231(Top 32%)
20M20.00 mi2.00 mi1484+1391266+123179+16950(Top 13%)817(Top 16%)112(Top 16%)
22M22.00 mi2.00 mi1357+1271165+101166+13674(Top 9%)583(Top 12%)83(Top 12%)
24M24.00 mi2.00 mi1262+951080+85152+14899(Top 13%)743(Top 15%)107(Top 15%)
Finish26.22 mi2.22 mi1174+881004+76145+7699(Top 10%)590(Top 12%)74(Top 10%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 22%
×1human
+6ft-11ft

Overall

1604

Males

1366

M35-39

185

2M→4M

2.0 - 4.0 mi

Top 28%
×4stories
+75ft-70ft

Overall

2028

Males

1717

M35-39

239

4M→6M

4.0 - 6.0 mi

Top 28%
×5stories
+71ft-18ft

Overall

1997

Males

1712

M35-39

237

6M→8M

6.0 - 8.0 mi

Top 26%
×9stories
+106ft-21ft

Overall

1887

Males

1606

M35-39

216

8M→9.6M

8.0 - 9.6 mi

Top 32%
×13stories
+117ft-177ft

Overall

2259

Males

1921

M35-39

256

9.6M→10M

9.6 - 10.0 mi

Top 22%
×1story
+17ft-12ft

Overall

1564

Males

1345

M35-39

183

10M→10.5M

10.0 - 10.5 mi

Top 28%
×9stories
+0ft-102ft

Overall

2028

Males

1724

M35-39

236

10.5M→12M

10.5 - 12.0 mi

Top 22%
×18stories
+304ft-125ft

Overall

1604

Males

1366

M35-39

185

12M→14M

12.0 - 14.0 mi

Top 20%
×9stories
+99ft-125ft

Overall

1468

Males

1274

M35-39

179

14M→16M

14.0 - 16.0 mi

Top 11%
×9stories
+124ft-78ft

Overall

815

Males

709

M35-39

104

16M→18M

16.0 - 18.0 mi

Top 28%
×8stories
+106ft-45ft

Overall

2035

Males

1677

M35-39

231

18M→20M

18.0 - 20.0 mi

Top 13%
×3stories
+52ft-26ft

Overall

950

Males

817

M35-39

112

20M→22M

20.0 - 22.0 mi

Top 9%
×21stories
+17ft-266ft

Overall

674

Males

583

M35-39

83

22M→24M

22.0 - 24.0 mi

Top 13%
×3stories
+70ft-85ft

Overall

899

Males

743

M35-39

107

24M→Finish

24.0 - 26.2 mi

Top 10%
~flat
+2ft-2ft

Overall

699

Males

590

M35-39

74

Passing Analysis

Category:
Athletes Passed
1462*
Passed By
326
Net Change
+1136
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2310
2M → 4M23856+182#2310#2128
4M → 6M10027+73#2128#2055
6M → 8M77*25+52#2055#2003
8M → 9.6M4361-18#2003#2021
9.6M → 10M195+14#2021#2007
10M → 10.5M3517+18#2007#1989
10.5M → 12M8212+70#1989#1919
12M → 14M83*5+78#1919#1841
14M → 16M240*4+236#1841#1605
16M → 18M82100-18#1605#1623
18M → 20M141*2+139#1623#1484
20M → 22M127*0+127#1484#1357
22M → 24M101*6+95#1357#1262
24M → Finish94*6+88#1262#1174
TOTALS1462*326+1136

* 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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