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SF MARATHON 2026

David Kim

Bib: 4308•M•Age: 39

Cupertino, CA

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
20:04
Rank: #4224
Start → 2M
20:04 | 10:02/mi
4M
39:52
Rank: #4023 (+201)
2M → 4M
19:48 | 9:54/mi
6M
58:41
Rank: #3564 (+459)
4M → 6M
18:49 | 9:24/mi
8M
1:17:43
Rank: #3521 (+43)
6M → 8M
19:02 | 9:31/mi
9.6M
1:34:36
Rank: #3549 (-28)
8M → 9.6M
16:53 | 10:33/mi
10M
1:37:37
Rank: #3594 (-45)
9.6M → 10M
3:01 | 7:33/mi
10.5M
1:44:43
Rank: #3603 (-9)
10M → 10.5M
7:06 | 14:12/mi
12M
2:01:18
Rank: #3854 (-251)
10.5M → 12M
16:35 | 11:03/mi
14M
2:25:43
Rank: #4104 (-250)
12M → 14M
24:25 | 12:12/mi
16M
2:48:58
Rank: #4477 (-373)
14M → 16M
23:15 | 11:37/mi
18M
3:26:09
Rank: #5402 (-925)
16M → 18M
37:11 | 18:36/mi
20M
3:56:42
Rank: #5704 (-302)
18M → 20M
30:33 | 15:16/mi
22M
4:28:08
Rank: #5979 (-275)
20M → 22M
31:26 | 15:43/mi
24M
5:03:07
Rank: #6170 (-191)
22M → 24M
34:59 | 17:30/mi
Finish· 26.22 mi
5:45:03
Rank: #6439 (-269)
24M → Finish
41:56 | 18:54/mi

Course Map & Elevation

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Half Splits

1st Half· via 14MFaster
Distance14.00 mi
Time2:25:43
Pace10:24 /mi
2nd Half
Distance12.22 mi
Time3:19:20
Pace16:19 /mi
📊Positive Split: 36.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:40:2420:0410:0220:04
10:02
-
4M
4.00 mi06:00:1239:529:5819:48
9:54
-0:08
6M
6.00 mi06:19:0158:419:4718:49
9:24
-0:30
8M
8.00 mi06:38:031:17:439:4319:02
9:31
+0:07
9.6M
9.60 mi06:54:561:34:369:5116:53
10:33
+1:02
10M
10.00 mi06:57:571:37:379:463:01
7:33
-3:00
10.5M
10.50 mi07:05:031:44:439:587:06
14:12
+6:39
12M
12.00 mi07:21:382:01:1810:0716:35
11:03
-3:09
14M
14.00 mi07:46:032:25:4310:2424:25
12:12
+1:09
16M
16.00 mi08:09:182:48:5810:3423:15
11:37
-0:35
18M
18.00 mi08:46:293:26:0911:2737:11
18:36
+6:59
20M
20.00 mi09:17:023:56:4211:5030:33
15:16
-3:20
22M
22.00 mi09:48:284:28:0812:1131:26
15:43
+0:27
24M
24.00 mi10:23:275:03:0712:3834:59
17:30
+1:47
Finish
26.22 mi11:05:235:45:0313:1041:56
18:54
+1:24

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

7:33 /mi

Average Pace

13:10 /mi

Slowest Pace

18:54 /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

40:52

12% of race

Time at Steady Pace

2:01:00

35% of race

Time at Slower Pace

3:03:11

53% of race

Average Pace: 13:10 /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...
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 mi05:40:2420:0410:0220:04
10:02
#4224
4M
4.00 mi06:00:1239:529:5819:48
9:54
#4023
6M
6.00 mi06:19:0158:419:4718:49
9:24
#3564
8M
8.00 mi06:38:031:17:439:4319:02
9:31
#3521
9.6M
9.60 mi06:54:561:34:369:5116:53
10:33
#3549
10M
10.00 mi06:57:571:37:379:463:01
7:33
#3594
10.5M
10.50 mi07:05:031:44:439:587:06
14:12
#3603
12M
12.00 mi07:21:382:01:1810:0716:35
11:03
#3854
14M
14.00 mi07:46:032:25:4310:2424:25
12:12
#4104
16M
16.00 mi08:09:182:48:5810:3423:15
11:37
#4477
18M
18.00 mi08:46:293:26:0911:2737:11
18:36
#5402
20M
20.00 mi09:17:023:56:4211:5030:33
15:16
#5704
22M
22.00 mi09:48:284:28:0812:1131:26
15:43
#5979
24M
24.00 mi10:23:275:03:0712:3834:59
17:30
#6170
Finish
26.22 mi11:05:235:45:0313:1041:56
18:54
#6439
Faster pace
Steady pace
Slower pace
Garmin Challenge
Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 63%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:07

Segment Time

11:15/mi

Pace

0.90 mi

Distance

Overall

4522

Men

3455

Division

485

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi422433114515243(Top 73%)3909(Top 77%)543(Top 76%)
4M4.00 mi2.00 mi4023+2013193+118434+173846(Top 54%)3068(Top 61%)417(Top 58%)
6M6.00 mi2.00 mi3564+4592874+319376+582973(Top 41%)2444(Top 48%)328(Top 46%)
8M8.00 mi2.00 mi3521+432842+32375+13391(Top 47%)2743(Top 54%)371(Top 52%)
9.6M9.60 mi1.60 mi3549-282859-17378-33855(Top 54%)3050(Top 60%)427(Top 60%)
10M10.00 mi0.40 mi3594-452894-35384-65115(Top 71%)3838(Top 76%)539(Top 75%)
10.5M10.50 mi0.50 mi3603-92893+1386-24453(Top 62%)3409(Top 67%)473(Top 66%)
12M12.00 mi1.50 mi3854-2513060-167420-345243(Top 73%)3909(Top 77%)543(Top 76%)
14M14.00 mi2.00 mi4104-2503209-149447-275325(Top 74%)3957(Top 78%)559(Top 78%)
16M16.00 mi2.00 mi4477-3733434-225479-325959(Top 83%)4316(Top 85%)610(Top 85%)
18M18.00 mi2.00 mi5402-9254001-567563-847107(Top 99%)5017(Top 99%)711(Top 99%)
20M20.00 mi2.00 mi5704-3024181-180586-236778(Top 95%)4785(Top 95%)688(Top 96%)
22M22.00 mi2.00 mi5979-2754347-166609-236941(Top 97%)4900(Top 97%)693(Top 97%)
24M24.00 mi2.00 mi6170-1914457-110631-226945(Top 97%)4901(Top 97%)698(Top 97%)
Finish26.22 mi2.22 mi6439-2694604-147650-197066(Top 99%)4987(Top 99%)709(Top 99%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 73%
×1human
+6ft-11ft

Overall

5243

Males

3909

M35-39

546

2M→4M

2.0 - 4.0 mi

Top 54%
×4stories
+75ft-70ft

Overall

3846

Males

3068

M35-39

421

4M→6M

4.0 - 6.0 mi

Top 41%
×5stories
+71ft-18ft

Overall

2973

Males

2444

M35-39

333

6M→8M

6.0 - 8.0 mi

Top 47%
×9stories
+106ft-21ft

Overall

3391

Males

2743

M35-39

372

8M→9.6M

8.0 - 9.6 mi

Top 54%
×13stories
+117ft-177ft

Overall

3855

Males

3050

M35-39

430

9.6M→10M

9.6 - 10.0 mi

Top 71%
×1story
+17ft-12ft

Overall

5115

Males

3838

M35-39

542

10M→10.5M

10.0 - 10.5 mi

Top 62%
×9stories
+0ft-102ft

Overall

4453

Males

3409

M35-39

476

10.5M→12M

10.5 - 12.0 mi

Top 73%
×18stories
+304ft-125ft

Overall

5243

Males

3909

M35-39

546

12M→14M

12.0 - 14.0 mi

Top 74%
×9stories
+99ft-125ft

Overall

5325

Males

3957

M35-39

561

14M→16M

14.0 - 16.0 mi

Top 83%
×9stories
+124ft-78ft

Overall

5959

Males

4316

M35-39

611

16M→18M

16.0 - 18.0 mi

Top 99%
×8stories
+106ft-45ft

Overall

7107

Males

5017

M35-39

712

18M→20M

18.0 - 20.0 mi

Top 95%
×3stories
+52ft-26ft

Overall

6778

Males

4785

M35-39

689

20M→22M

20.0 - 22.0 mi

Top 97%
×21stories
+17ft-266ft

Overall

6941

Males

4900

M35-39

694

22M→24M

22.0 - 24.0 mi

Top 97%
×3stories
+70ft-85ft

Overall

6945

Males

4901

M35-39

698

24M→Finish

24.0 - 26.2 mi

Top 99%
~flat
+2ft-2ft

Overall

7066

Males

4987

M35-39

709

Passing Analysis

Category:
Athletes Passed
994*
Passed By
3209
Net Change
-2215
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4224
2M → 4M265*64+201#4224#4023
4M → 6M4634+459#4023#3564
6M → 8M84*41+43#3564#3521
8M → 9.6M58*86-28#3521#3549
9.6M → 10M449-45#3549#3594
10M → 10.5M3039-9#3594#3603
10.5M → 12M13264-251#3603#3854
12M → 14M22*272-250#3854#4104
14M → 16M16*389-373#4104#4477
16M → 18M2927-925#4477#5402
18M → 20M7*309-302#5402#5704
20M → 22M7*282-275#5704#5979
22M → 24M11*202-191#5979#6170
24M → Finish12*281-269#6170#6439
TOTALS994*3209-2215

* 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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