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SF MARATHON 2026

Callum Kuo

Bib: 4556•M•Age: 27

San Francisco, 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

Watch your race unfold from start to finish

Start
0:00:00
Race begins
2M
20:24
Rank: #4539
Start → 2M
20:24 | 10:12/mi
4M
41:01
Rank: #4522 (+17)
2M → 4M
20:37 | 10:19/mi
6M
1:02:46
Rank: #4721 (-199)
4M → 6M
21:45 | 10:52/mi
8M
1:22:47
Rank: #4553 (+168)
6M → 8M
20:01 | 10:00/mi
9.6M
1:39:47
Rank: #4401 (+152)
8M → 9.6M
17:00 | 10:37/mi
10M
1:42:39
Rank: #4392 (+9)
9.6M → 10M
2:52 | 7:10/mi
10.5M
1:49:30
Rank: #4322 (+70)
10M → 10.5M
6:51 | 13:42/mi
12M
2:03:55
Rank: #4195 (+127)
10.5M → 12M
14:25 | 9:37/mi
14M
2:26:05
Rank: #4149 (+46)
12M → 14M
22:10 | 11:05/mi
16M
2:42:23
Rank: #3862 (+287)
14M → 16M
16:18 | 8:09/mi
18M
3:06:42
Rank: #3977 (-115)
16M → 18M
24:19 | 12:10/mi
20M
3:28:41
Rank: #3911 (+66)
18M → 20M
21:59 | 10:59/mi
22M
3:49:36
Rank: #3869 (+42)
20M → 22M
20:55 | 10:27/mi
24M
4:12:02
Rank: #3772 (+97)
22M → 24M
22:26 | 11:13/mi
Finish· 26.22 mi
4:37:39
Rank: #3784 (-12)
24M → Finish
25:37 | 11:33/mi

Course Map & Elevation

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Half Splits

1st Half· via 14M
Distance14.00 mi
Time2:26:05
Pace10:26 /mi
2nd Half✓ Faster
Distance12.22 mi
Time2:11:34
Pace10:46 /mi
📊Negative Split: 9.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:43:5220:2410:1220:24
10:12
-
4M
4.00 mi06:04:2941:0110:1520:37
10:19
+0:07
6M
6.00 mi06:26:141:02:4610:2821:45
10:52
+0:33
8M
8.00 mi06:46:151:22:4710:2120:01
10:00
-0:52
9.6M
9.60 mi07:03:151:39:4710:2417:00
10:37
+0:37
10M
10.00 mi07:06:071:42:3910:162:52
7:10
-3:27
10.5M
10.50 mi07:12:581:49:3010:266:51
13:42
+6:32
12M
12.00 mi07:27:232:03:5510:2014:25
9:37
-4:05
14M
14.00 mi07:49:332:26:0510:2622:10
11:05
+1:28
16M
16.00 mi08:05:512:42:2310:0916:18
8:09
-2:56
18M
18.00 mi08:30:103:06:4210:2224:19
12:10
+4:01
20M
20.00 mi08:52:093:28:4110:2621:59
10:59
-1:11
22M
22.00 mi09:13:043:49:3610:2620:55
10:27
-0:32
24M
24.00 mi09:35:304:12:0210:3022:26
11:13
+0:46
Finish
26.22 mi10:01:074:37:3910:3625:37
11:33
+0:20

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

7:10 /mi

Average Pace

10:36 /mi

Slowest Pace

13:42 /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

33:35

12% of race

Time at Steady Pace

3:07:17

67% of race

Time at Slower Pace

56:47

20% of race

Average Pace: 10:35 /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 mi05:43:5220:2410:1220:24
10:12
#4539
4M
4.00 mi06:04:2941:0110:1520:37
10:19
#4522
6M
6.00 mi06:26:141:02:4610:2821:45
10:52
#4721
8M
8.00 mi06:46:151:22:4710:2120:01
10:00
#4553
9.6M
9.60 mi07:03:151:39:4710:2417:00
10:37
#4401
10M
10.00 mi07:06:071:42:3910:162:52
7:10
#4392
10.5M
10.50 mi07:12:581:49:3010:266:51
13:42
#4322
12M
12.00 mi07:27:232:03:5510:2014:25
9:37
#4195
14M
14.00 mi07:49:332:26:0510:2622:10
11:05
#4149
16M
16.00 mi08:05:512:42:2310:0916:18
8:09
#3862
18M
18.00 mi08:30:103:06:4210:2224:19
12:10
#3977
20M
20.00 mi08:52:093:28:4110:2621:59
10:59
#3911
22M
22.00 mi09:13:043:49:3610:2620:55
10:27
#3869
24M
24.00 mi09:35:304:12:0210:3022:26
11:13
#3772
Finish
26.22 mi10:01:074:37:3910:3625:37
11:33
#3784
Faster pace
Steady pace
Slower pace
Garmin Challenge
Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 55%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:43

Segment Time

10:48/mi

Pace

0.90 mi

Distance

Overall

3972

Men

3110

Division

771

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi453935048363643(Top 51%)2891(Top 57%)732(Top 62%)
4M4.00 mi2.00 mi4522+173490+14839-34540(Top 63%)3498(Top 69%)842(Top 72%)
6M6.00 mi2.00 mi4721-1993611-121868-295146(Top 72%)3879(Top 77%)940(Top 80%)
8M8.00 mi2.00 mi4553+1683514+97853+154202(Top 59%)3290(Top 65%)805(Top 68%)
9.6M9.60 mi1.60 mi4401+1523405+109836+173944(Top 55%)3103(Top 61%)773(Top 66%)
10M10.00 mi0.40 mi4392+93398+7834+24354(Top 61%)3372(Top 67%)811(Top 69%)
10.5M10.50 mi0.50 mi4322+703351+47823+113982(Top 56%)3104(Top 61%)771(Top 66%)
12M12.00 mi1.50 mi4195+1273273+78809+143643(Top 51%)2891(Top 57%)732(Top 62%)
14M14.00 mi2.00 mi4149+463241+32802+74068(Top 57%)3172(Top 63%)773(Top 66%)
16M16.00 mi2.00 mi3862+2873052+189750+522365(Top 33%)1889(Top 37%)488(Top 41%)
18M18.00 mi2.00 mi3977-1153112-60773-234569(Top 64%)3400(Top 67%)829(Top 70%)
20M20.00 mi2.00 mi3911+663048+64751+223722(Top 52%)2798(Top 55%)689(Top 59%)
22M22.00 mi2.00 mi3869+423004+44749+23662(Top 51%)2722(Top 54%)667(Top 57%)
24M24.00 mi2.00 mi3772+972919+85724+253049(Top 43%)2266(Top 45%)566(Top 48%)
Finish26.22 mi2.22 mi3784-122909+10723+14094(Top 57%)2961(Top 59%)750(Top 64%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 51%
×1human
+6ft-11ft

Overall

3643

Males

2891

M25-29

736

2M→4M

2.0 - 4.0 mi

Top 63%
×4stories
+75ft-70ft

Overall

4540

Males

3498

M25-29

848

4M→6M

4.0 - 6.0 mi

Top 72%
×5stories
+71ft-18ft

Overall

5146

Males

3879

M25-29

946

6M→8M

6.0 - 8.0 mi

Top 59%
×9stories
+106ft-21ft

Overall

4202

Males

3290

M25-29

811

8M→9.6M

8.0 - 9.6 mi

Top 55%
×13stories
+117ft-177ft

Overall

3944

Males

3103

M25-29

777

9.6M→10M

9.6 - 10.0 mi

Top 61%
×1story
+17ft-12ft

Overall

4354

Males

3372

M25-29

816

10M→10.5M

10.0 - 10.5 mi

Top 56%
×9stories
+0ft-102ft

Overall

3982

Males

3104

M25-29

776

10.5M→12M

10.5 - 12.0 mi

Top 51%
×18stories
+304ft-125ft

Overall

3643

Males

2891

M25-29

736

12M→14M

12.0 - 14.0 mi

Top 57%
×9stories
+99ft-125ft

Overall

4068

Males

3172

M25-29

777

14M→16M

14.0 - 16.0 mi

Top 33%
×9stories
+124ft-78ft

Overall

2365

Males

1889

M25-29

488

16M→18M

16.0 - 18.0 mi

Top 64%
×8stories
+106ft-45ft

Overall

4569

Males

3400

M25-29

832

18M→20M

18.0 - 20.0 mi

Top 52%
×3stories
+52ft-26ft

Overall

3722

Males

2798

M25-29

690

20M→22M

20.0 - 22.0 mi

Top 51%
×21stories
+17ft-266ft

Overall

3662

Males

2722

M25-29

668

22M→24M

22.0 - 24.0 mi

Top 43%
×3stories
+70ft-85ft

Overall

3049

Males

2266

M25-29

566

24M→Finish

24.0 - 26.2 mi

Top 57%
~flat
+2ft-2ft

Overall

4094

Males

2961

M25-29

750

Passing Analysis

Category:
Athletes Passed
1641*
Passed By
886
Net Change
+755
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4539
2M → 4M174*157+17#4539#4522
4M → 6M80279-199#4522#4721
6M → 8M183*15+168#4721#4553
8M → 9.6M168*16+152#4553#4401
9.6M → 10M189+9#4401#4392
10M → 10.5M8010+70#4392#4322
10.5M → 12M14821+127#4322#4195
12M → 14M85*39+46#4195#4149
14M → 16M292*5+287#4149#3862
16M → 18M55170-115#3862#3977
18M → 20M97*31+66#3977#3911
20M → 22M79*37+42#3911#3869
22M → 24M125*28+97#3869#3772
24M → Finish57*69-12#3772#3784
TOTALS1641*886+755

* 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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