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SF MARATHON 2026

Sungyoun Ko

Bib: 4577•M•Age: 39

Calgary, AB

0:00
0:00
/ mi
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Overall
#0 / 7166
Top 12%
Gender (Male)
#0 / 5052
Top 14%
Division (M35-39)
#0 / 717
Top 14%
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
16:35
Rank: #1108
Start → 2M
16:35 | 8:17/mi
4M
33:19
Rank: #1118 (-10)
2M → 4M
16:44 | 8:22/mi
6M
49:31
Rank: #1021 (+97)
4M → 6M
16:12 | 8:06/mi
8M
1:05:29
Rank: #966 (+55)
6M → 8M
15:58 | 7:59/mi
9.6M
1:19:12
Rank: #967 (-1)
8M → 9.6M
13:43 | 8:34/mi
10M
1:21:27
Rank: #957 (+10)
9.6M → 10M
2:15 | 5:38/mi
10.5M
1:26:48
Rank: #955 (+2)
10M → 10.5M
5:21 | 10:42/mi
12M
1:38:12
Rank: #923 (+32)
10.5M → 12M
11:24 | 7:36/mi
14M
1:55:54
Rank: #914 (+9)
12M → 14M
17:42 | 8:51/mi
16M
2:12:07
Rank: #1016 (-102)
14M → 16M
16:13 | 8:06/mi
18M
2:28:19
Rank: #874 (+142)
16M → 18M
16:12 | 8:06/mi
20M
2:45:17
Rank: #858 (+16)
18M → 20M
16:58 | 8:29/mi
22M
3:02:01
Rank: #863 (-5)
20M → 22M
16:44 | 8:22/mi
24M
3:20:08
Rank: #844 (+19)
22M → 24M
18:07 | 9:04/mi
Finish· 26.22 mi
3:40:01
Rank: #827 (+17)
24M → Finish
19:53 | 8:58/mi
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Half Splits

1st Half· via 14M
Distance14.00 mi
Time1:55:54
Pace8:17 /mi
2nd Half✓ Faster
Distance12.22 mi
Time1:44:07
Pace8:31 /mi
📊Negative Split: 10.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:33:2816:358:1716:35
8:17
-
4M
4.00 mi05:50:1233:198:2016:44
8:22
+0:05
6M
6.00 mi06:06:2449:318:1516:12
8:06
-0:16
8M
8.00 mi06:22:221:05:298:1115:58
7:59
-0:07
9.6M
9.60 mi06:36:051:19:128:1513:43
8:34
+0:35
10M
10.00 mi06:38:201:21:278:092:15
5:38
-2:56
10.5M
10.50 mi06:43:411:26:488:165:21
10:42
+5:04
12M
12.00 mi06:55:051:38:128:1111:24
7:36
-3:06
14M
14.00 mi07:12:471:55:548:1717:42
8:51
+1:15
16M
16.00 mi07:29:002:12:078:1516:13
8:06
-0:45
18M
18.00 mi07:45:122:28:198:1416:12
8:06
0:00
20M
20.00 mi08:02:102:45:178:1616:58
8:29
+0:23
22M
22.00 mi08:18:543:02:018:1616:44
8:22
-0:07
24M
24.00 mi08:37:013:20:088:2018:07
9:04
+0:42
Finish
26.22 mi08:56:543:40:018:2419:53
8:58
-0:06

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

5:38 /mi

Average Pace

8:24 /mi

Slowest Pace

10:42 /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

13:39

6% of race

Time at Steady Pace

2:43:01

74% of race

Time at Slower Pace

43:21

20% of race

Average Pace: 8:23 /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 mi05:33:2816:358:1716:35
8:17
#1108
4M
4.00 mi05:50:1233:198:2016:44
8:22
#1118
6M
6.00 mi06:06:2449:318:1516:12
8:06
#1021
8M
8.00 mi06:22:221:05:298:1115:58
7:59
#966
9.6M
9.60 mi06:36:051:19:128:1513:43
8:34
#967
10M
10.00 mi06:38:201:21:278:092:15
5:38
#957
10.5M
10.50 mi06:43:411:26:488:165:21
10:42
#955
12M
12.00 mi06:55:051:38:128:1111:24
7:36
#923
14M
14.00 mi07:12:471:55:548:1717:42
8:51
#914
16M
16.00 mi07:29:002:12:078:1516:13
8:06
#1016
18M
18.00 mi07:45:122:28:198:1416:12
8:06
#874
20M
20.00 mi08:02:102:45:178:1616:58
8:29
#858
22M
22.00 mi08:18:543:02:018:1616:44
8:22
#863
24M
24.00 mi08:37:013:20:088:2018:07
9:04
#844
Finish
26.22 mi08:56:543:40:018:2419:53
8:58
#827
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 12%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

7:36

Segment Time

8:27/mi

Pace

0.90 mi

Distance

Overall

862

Men

773

Division

108

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi1108973133775(Top 11%)690(Top 14%)92(Top 13%)
4M4.00 mi2.00 mi1118-10981-8139-61134(Top 16%)996(Top 20%)140(Top 20%)
6M6.00 mi2.00 mi1021+97907+74122+17860(Top 12%)769(Top 15%)107(Top 15%)
8M8.00 mi2.00 mi966+55862+45117+5829(Top 12%)739(Top 15%)104(Top 15%)
9.6M9.60 mi1.60 mi967-1864-2119-21042(Top 15%)929(Top 18%)134(Top 19%)
10M10.00 mi0.40 mi957+10855+9118+1940(Top 13%)840(Top 17%)122(Top 17%)
10.5M10.50 mi0.50 mi955+2853+2115+3926(Top 13%)820(Top 16%)113(Top 16%)
12M12.00 mi1.50 mi923+32823+30114+1775(Top 11%)690(Top 14%)92(Top 13%)
14M14.00 mi2.00 mi914+9814+9113+11013(Top 14%)895(Top 18%)131(Top 18%)
16M16.00 mi2.00 mi1016-102900-86125-122309(Top 32%)1850(Top 37%)260(Top 36%)
18M18.00 mi2.00 mi874+142780+120106+19493(Top 7%)440(Top 9%)54(Top 8%)
20M20.00 mi2.00 mi858+16764+16104+2860(Top 12%)749(Top 15%)104(Top 15%)
22M22.00 mi2.00 mi863-5765-1103+11254(Top 17%)1039(Top 21%)150(Top 21%)
24M24.00 mi2.00 mi844+19744+21100+3845(Top 12%)701(Top 14%)100(Top 14%)
Finish26.22 mi2.22 mi827+17728+16103-31068(Top 15%)864(Top 17%)120(Top 17%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 11%
×1human
+6ft-11ft

Overall

775

Males

690

M35-39

92

2M→4M

2.0 - 4.0 mi

Top 16%
×4stories
+75ft-70ft

Overall

1134

Males

996

M35-39

141

4M→6M

4.0 - 6.0 mi

Top 12%
×5stories
+71ft-18ft

Overall

860

Males

769

M35-39

109

6M→8M

6.0 - 8.0 mi

Top 12%
×9stories
+106ft-21ft

Overall

829

Males

739

M35-39

104

8M→9.6M

8.0 - 9.6 mi

Top 15%
×13stories
+117ft-177ft

Overall

1042

Males

929

M35-39

134

9.6M→10M

9.6 - 10.0 mi

Top 13%
×1story
+17ft-12ft

Overall

940

Males

840

M35-39

122

10M→10.5M

10.0 - 10.5 mi

Top 13%
×9stories
+0ft-102ft

Overall

926

Males

820

M35-39

113

10.5M→12M

10.5 - 12.0 mi

Top 11%
×18stories
+304ft-125ft

Overall

775

Males

690

M35-39

92

12M→14M

12.0 - 14.0 mi

Top 14%
×9stories
+99ft-125ft

Overall

1013

Males

895

M35-39

131

14M→16M

14.0 - 16.0 mi

Top 32%
×9stories
+124ft-78ft

Overall

2309

Males

1850

M35-39

261

16M→18M

16.0 - 18.0 mi

Top 7%
×8stories
+106ft-45ft

Overall

493

Males

440

M35-39

54

18M→20M

18.0 - 20.0 mi

Top 12%
×3stories
+52ft-26ft

Overall

860

Males

749

M35-39

104

20M→22M

20.0 - 22.0 mi

Top 17%
×21stories
+17ft-266ft

Overall

1254

Males

1039

M35-39

150

22M→24M

22.0 - 24.0 mi

Top 12%
×3stories
+70ft-85ft

Overall

845

Males

701

M35-39

100

24M→Finish

24.0 - 26.2 mi

Top 15%
~flat
+2ft-2ft

Overall

1068

Males

864

M35-39

120

Passing Analysis

Category:
Athletes Passed
634*
Passed By
353
Net Change
+281
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1108
2M → 4M5464-10#1108#1118
4M → 6M1036+97#1118#1021
6M → 8M60*5+55#1021#966
8M → 9.6M2728-1#966#967
9.6M → 10M122+10#967#957
10M → 10.5M1311+2#957#955
10.5M → 12M4210+32#955#923
12M → 14M24*15+9#923#914
14M → 16M21*123-102#914#1016
16M → 18M1486+142#1016#874
18M → 20M34*18+16#874#858
20M → 22M22*27-5#858#863
22M → 24M3718+19#863#844
24M → Finish37*20+17#844#827
TOTALS634*353+281

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

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
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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