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SF MARATHON 2026

Tom Kwong Chun Ng

Bib: 9396•M•Age: 28

Cupertino, 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
23:10
Rank: #6526
Start → 2M
23:10 | 11:35/mi
4M
46:25
Rank: #6352 (+174)
2M → 4M
23:15 | 11:38/mi
6M
1:09:00
Rank: #6118 (+234)
4M → 6M
22:35 | 11:17/mi
8M
1:30:12
Rank: #5920 (+198)
6M → 8M
21:12 | 10:36/mi
9.6M
1:48:14
Rank: #5678 (+242)
8M → 9.6M
18:02 | 11:16/mi
10M
1:51:14
Rank: #5649 (+29)
9.6M → 10M
3:00 | 7:31/mi
10.5M
1:58:35
Rank: #5582 (+67)
10M → 10.5M
7:21 | 14:42/mi
12M
2:15:38
Rank: #5566 (+16)
10.5M → 12M
17:03 | 11:22/mi
14M
2:38:28
Rank: #5384 (+182)
12M → 14M
22:50 | 11:25/mi
16M
2:59:24
Rank: #5346 (+38)
14M → 16M
20:56 | 10:28/mi
18M
3:20:19
Rank: #4993 (+353)
16M → 18M
20:55 | 10:28/mi
20M
3:41:55
Rank: #4813 (+180)
18M → 20M
21:36 | 10:48/mi
22M
4:01:20
Rank: #4590 (+223)
20M → 22M
19:25 | 9:42/mi
24M
4:24:39
Rank: #4499 (+91)
22M → 24M
23:19 | 11:40/mi
Finish· 26.22 mi
4:48:15
Rank: #4345 (+154)
24M → Finish
23:36 | 10:38/mi
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Half Splits

1st Half· via 14M
Distance14.00 mi
Time2:38:28
Pace11:19 /mi
2nd Half✓ Faster
Distance12.22 mi
Time2:09:47
Pace10:37 /mi
📊Negative Split: 18.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:02:4423:1011:3523:10
11:35
-
4M
4.00 mi06:25:5946:2511:3623:15
11:38
+0:03
6M
6.00 mi06:48:341:09:0011:3022:35
11:17
-0:21
8M
8.00 mi07:09:461:30:1211:1621:12
10:36
-0:41
9.6M
9.60 mi07:27:481:48:1411:1618:02
11:16
+0:40
10M
10.00 mi07:30:481:51:1411:073:00
7:31
-3:45
10.5M
10.50 mi07:38:091:58:3511:187:21
14:42
+7:11
12M
12.00 mi07:55:122:15:3811:1817:03
11:22
-3:20
14M
14.00 mi08:18:022:38:2811:1922:50
11:25
+0:03
16M
16.00 mi08:38:582:59:2411:1320:56
10:28
-0:57
18M
18.00 mi08:59:533:20:1911:0820:55
10:28
0:00
20M
20.00 mi09:21:293:41:5511:0621:36
10:48
+0:20
22M
22.00 mi09:40:544:01:2010:5819:25
9:42
-1:06
24M
24.00 mi10:04:134:24:3911:0223:19
11:40
+1:58
Finish
26.22 mi10:27:494:48:1511:0023:36
10:38
-1:02

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

7:31 /mi

Average Pace

11:00 /mi

Slowest Pace

14:42 /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

1:04:16

22% of race

Time at Steady Pace

3:36:38

75% of race

Time at Slower Pace

7:21

3% of race

Average Pace: 11:00 /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 mi06:02:4423:1011:3523:10
11:35
#6526
4M
4.00 mi06:25:5946:2511:3623:15
11:38
#6352
6M
6.00 mi06:48:341:09:0011:3022:35
11:17
#6118
8M
8.00 mi07:09:461:30:1211:1621:12
10:36
#5920
9.6M
9.60 mi07:27:481:48:1411:1618:02
11:16
#5678
10M
10.00 mi07:30:481:51:1411:073:00
7:31
#5649
10.5M
10.50 mi07:38:091:58:3511:187:21
14:42
#5582
12M
12.00 mi07:55:122:15:3811:1817:03
11:22
#5566
14M
14.00 mi08:18:022:38:2811:1922:50
11:25
#5384
16M
16.00 mi08:38:582:59:2411:1320:56
10:28
#5346
18M
18.00 mi08:59:533:20:1911:0820:55
10:28
#4993
20M
20.00 mi09:21:293:41:5511:0621:36
10:48
#4813
22M
22.00 mi09:40:544:01:2010:5819:25
9:42
#4590
24M
24.00 mi10:04:134:24:3911:0223:19
11:40
#4499
Finish
26.22 mi10:27:494:48:1511:0023:36
10:38
#4345
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 67%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:21

Segment Time

11:30/mi

Pace

0.90 mi

Distance

Overall

4809

Men

3637

Division

889

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi6526471510995535(Top 77%)4085(Top 81%)989(Top 84%)
4M4.00 mi2.00 mi6352+1744597+1181072+276258(Top 87%)4545(Top 90%)1069(Top 91%)
6M6.00 mi2.00 mi6118+2344462+1351057+155694(Top 79%)4204(Top 83%)1001(Top 85%)
8M8.00 mi2.00 mi5920+1984340+1221033+245127(Top 72%)3869(Top 77%)946(Top 80%)
9.6M9.60 mi1.60 mi5678+2424204+1361007+264743(Top 66%)3602(Top 71%)887(Top 75%)
10M10.00 mi0.40 mi5649+294184+201006+14981(Top 70%)3756(Top 74%)901(Top 77%)
10.5M10.50 mi0.50 mi5582+674143+411001+54893(Top 68%)3667(Top 73%)887(Top 75%)
12M12.00 mi1.50 mi5566+164122+21994+75535(Top 77%)4085(Top 81%)989(Top 84%)
14M14.00 mi2.00 mi5384+1824014+108974+204479(Top 63%)3432(Top 68%)839(Top 71%)
16M16.00 mi2.00 mi5346+383973+41966+85065(Top 71%)3751(Top 74%)914(Top 78%)
18M18.00 mi2.00 mi4993+3533741+232918+482847(Top 40%)2258(Top 45%)564(Top 48%)
20M20.00 mi2.00 mi4813+1803624+117896+223491(Top 49%)2662(Top 53%)659(Top 56%)
22M22.00 mi2.00 mi4590+2233471+153858+382823(Top 39%)2178(Top 43%)553(Top 47%)
24M24.00 mi2.00 mi4499+913402+69839+193505(Top 49%)2569(Top 51%)641(Top 55%)
Finish26.22 mi2.22 mi4345+1543290+112808+313049(Top 43%)2254(Top 45%)569(Top 48%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 77%
×1human
+6ft-11ft

Overall

5535

Males

4085

M25-29

995

2M→4M

2.0 - 4.0 mi

Top 87%
×4stories
+75ft-70ft

Overall

6258

Males

4545

M25-29

1079

4M→6M

4.0 - 6.0 mi

Top 79%
×5stories
+71ft-18ft

Overall

5694

Males

4204

M25-29

1009

6M→8M

6.0 - 8.0 mi

Top 72%
×9stories
+106ft-21ft

Overall

5127

Males

3869

M25-29

952

8M→9.6M

8.0 - 9.6 mi

Top 66%
×13stories
+117ft-177ft

Overall

4743

Males

3602

M25-29

892

9.6M→10M

9.6 - 10.0 mi

Top 70%
×1story
+17ft-12ft

Overall

4981

Males

3756

M25-29

908

10M→10.5M

10.0 - 10.5 mi

Top 68%
×9stories
+0ft-102ft

Overall

4893

Males

3667

M25-29

893

10.5M→12M

10.5 - 12.0 mi

Top 77%
×18stories
+304ft-125ft

Overall

5535

Males

4085

M25-29

995

12M→14M

12.0 - 14.0 mi

Top 63%
×9stories
+99ft-125ft

Overall

4479

Males

3432

M25-29

843

14M→16M

14.0 - 16.0 mi

Top 71%
×9stories
+124ft-78ft

Overall

5065

Males

3751

M25-29

917

16M→18M

16.0 - 18.0 mi

Top 40%
×8stories
+106ft-45ft

Overall

2847

Males

2258

M25-29

567

18M→20M

18.0 - 20.0 mi

Top 49%
×3stories
+52ft-26ft

Overall

3491

Males

2662

M25-29

660

20M→22M

20.0 - 22.0 mi

Top 39%
×21stories
+17ft-266ft

Overall

2823

Males

2178

M25-29

554

22M→24M

22.0 - 24.0 mi

Top 49%
×3stories
+70ft-85ft

Overall

3505

Males

2569

M25-29

641

24M→Finish

24.0 - 26.2 mi

Top 43%
~flat
+2ft-2ft

Overall

3049

Males

2254

M25-29

569

Passing Analysis

Category:
Athletes Passed
2465*
Passed By
284
Net Change
+2181
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#6526
2M → 4M214*40+174#6526#6352
4M → 6M254*20+234#6352#6118
6M → 8M206*8+198#6118#5920
8M → 9.6M248*6+242#5920#5678
9.6M → 10M356+29#5678#5649
10M → 10.5M758+67#5649#5582
10.5M → 12M8165+16#5582#5566
12M → 14M188*6+182#5566#5384
14M → 16M126*88+38#5384#5346
16M → 18M3541+353#5346#4993
18M → 20M187*7+180#4993#4813
20M → 22M224*1+223#4813#4590
22M → 24M109*18+91#4590#4499
24M → Finish164*10+154#4499#4345
TOTALS2465*284+2181

* 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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