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SF MARATHON 2026

William Tsai

Bib: 7407•M•Age: 33

San Jose, CA

0:00
0:00
/ mi
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Overall
#0 / 7166
Gender (Male)
#0 / 5052
Division (M30-34)
#0 / 1040
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
20:41
Rank: #4804
Start → 2M
20:41 | 10:20/mi
4M
41:02
Rank: #4534 (+270)
2M → 4M
20:21 | 10:11/mi
6M
1:01:10
Rank: #4241 (+293)
4M → 6M
20:08 | 10:04/mi
8M
1:21:49
Rank: #4366 (-125)
6M → 8M
20:39 | 10:19/mi
9.6M
1:39:22
Rank: #4324 (+42)
8M → 9.6M
17:33 | 10:58/mi
10M
1:42:03
Rank: #4288 (+36)
9.6M → 10M
2:41 | 6:43/mi
10.5M
1:48:44
Rank: #4202 (+86)
10M → 10.5M
6:41 | 13:22/mi
12M
2:05:06
Rank: #4351 (-149)
10.5M → 12M
16:22 | 10:55/mi
14M
2:29:25
Rank: #4508 (-157)
12M → 14M
24:19 | 12:09/mi
16M
2:45:28
Rank: #4159 (+349)
14M → 16M
16:03 | 8:01/mi
18M
3:11:44
Rank: #4360 (-201)
16M → 18M
26:16 | 13:08/mi
20M
3:34:22
Rank: #4307 (+53)
18M → 20M
22:38 | 11:19/mi
22M
3:56:39
Rank: #4321 (-14)
20M → 22M
22:17 | 11:08/mi
24M
4:28:42
Rank: #4716 (-395)
22M → 24M
32:03 | 16:02/mi
Finish· 26.22 mi
5:04:01
Rank: #5127 (-411)
24M → Finish
35:19 | 15:55/mi
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Half Splits

1st Half· via 14MFaster
Distance14.00 mi
Time2:29:25
Pace10:40 /mi
2nd Half
Distance12.22 mi
Time2:34:36
Pace12:39 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:57:2620:4110:2020:41
10:20
-
4M
4.00 mi06:17:4741:0210:1620:21
10:11
-0:09
6M
6.00 mi06:37:551:01:1010:1220:08
10:04
-0:07
8M
8.00 mi06:58:341:21:4910:1420:39
10:19
+0:15
9.6M
9.60 mi07:16:071:39:2210:2117:33
10:58
+0:39
10M
10.00 mi07:18:481:42:0310:122:41
6:43
-4:15
10.5M
10.50 mi07:25:291:48:4410:216:41
13:22
+6:39
12M
12.00 mi07:41:512:05:0610:2616:22
10:55
-2:27
14M
14.00 mi08:06:102:29:2510:4024:19
12:09
+1:14
16M
16.00 mi08:22:132:45:2810:2016:03
8:01
-4:08
18M
18.00 mi08:48:293:11:4410:3926:16
13:08
+5:07
20M
20.00 mi09:11:073:34:2210:4322:38
11:19
-1:49
22M
22.00 mi09:33:243:56:3910:4522:17
11:08
-0:11
24M
24.00 mi10:05:274:28:4211:1232:03
16:02
+4:54
Finish
26.22 mi10:40:465:04:0111:3635:19
15:55
-0:07

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

6:43 /mi

Average Pace

11:36 /mi

Slowest Pace

16:02 /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

18:44

6% of race

Time at Steady Pace

3:04:58

61% of race

Time at Slower Pace

1:40:19

33% of race

Average Pace: 11:36 /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 mi05:57:2620:4110:2020:41
10:20
#4804
4M
4.00 mi06:17:4741:0210:1620:21
10:11
#4534
6M
6.00 mi06:37:551:01:1010:1220:08
10:04
#4241
8M
8.00 mi06:58:341:21:4910:1420:39
10:19
#4366
9.6M
9.60 mi07:16:071:39:2210:2117:33
10:58
#4324
10M
10.00 mi07:18:481:42:0310:122:41
6:43
#4288
10.5M
10.50 mi07:25:291:48:4410:216:41
13:22
#4202
12M
12.00 mi07:41:512:05:0610:2616:22
10:55
#4351
14M
14.00 mi08:06:102:29:2510:4024:19
12:09
#4508
16M
16.00 mi08:22:132:45:2810:2016:03
8:01
#4159
18M
18.00 mi08:48:293:11:4410:3926:16
13:08
#4360
20M
20.00 mi09:11:073:34:2210:4322:38
11:19
#4307
22M
22.00 mi09:33:243:56:3910:4522:17
11:08
#4321
24M
24.00 mi10:05:274:28:4211:1232:03
16:02
#4716
Finish
26.22 mi10:40:465:04:0111:3635:19
15:55
#5127
Faster pace
Steady pace
Slower pace
Garmin Challenge
Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 49%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:22

Segment Time

10:25/mi

Pace

0.90 mi

Distance

Overall

3501

Men

2803

Division

588

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2M2.00 mi2.00 mi480436647475073(Top 71%)3808(Top 75%)792(Top 76%)
4M4.00 mi2.00 mi4534+2703496+168717+304300(Top 60%)3361(Top 67%)704(Top 68%)
6M6.00 mi2.00 mi4241+2933323+173691+263923(Top 55%)3117(Top 62%)648(Top 62%)
8M8.00 mi2.00 mi4366-1253401-78707-164709(Top 66%)3613(Top 72%)751(Top 72%)
9.6M9.60 mi1.60 mi4324+423360+41698+94395(Top 61%)3383(Top 67%)698(Top 67%)
10M10.00 mi0.40 mi4288+363337+23693+53376(Top 47%)2724(Top 54%)570(Top 55%)
10.5M10.50 mi0.50 mi4202+863280+57680+133688(Top 51%)2914(Top 58%)605(Top 58%)
12M12.00 mi1.50 mi4351-1493368-88692-125073(Top 71%)3808(Top 75%)792(Top 76%)
14M14.00 mi2.00 mi4508-1573462-94718-265260(Top 73%)3922(Top 78%)811(Top 78%)
16M16.00 mi2.00 mi4159+3493240+222678+402210(Top 31%)1780(Top 35%)358(Top 34%)
18M18.00 mi2.00 mi4360-2013362-122695-175399(Top 75%)3917(Top 78%)790(Top 76%)
20M20.00 mi2.00 mi4307+533313+49686+94150(Top 58%)3074(Top 61%)621(Top 60%)
22M22.00 mi2.00 mi4321-143302+11676+104403(Top 61%)3185(Top 63%)638(Top 61%)
24M24.00 mi2.00 mi4716-3953538-236727-516649(Top 93%)4699(Top 93%)971(Top 93%)
Finish26.22 mi2.22 mi5127-4113790-252774-476735(Top 94%)4757(Top 94%)980(Top 94%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 71%
×1human
+6ft-11ft

Overall

5073

Males

3808

M30-34

796

2M→4M

2.0 - 4.0 mi

Top 60%
×4stories
+75ft-70ft

Overall

4300

Males

3361

M30-34

708

4M→6M

4.0 - 6.0 mi

Top 55%
×5stories
+71ft-18ft

Overall

3923

Males

3117

M30-34

652

6M→8M

6.0 - 8.0 mi

Top 66%
×9stories
+106ft-21ft

Overall

4709

Males

3613

M30-34

755

8M→9.6M

8.0 - 9.6 mi

Top 61%
×13stories
+117ft-177ft

Overall

4395

Males

3383

M30-34

700

9.6M→10M

9.6 - 10.0 mi

Top 47%
×1story
+17ft-12ft

Overall

3376

Males

2724

M30-34

572

10M→10.5M

10.0 - 10.5 mi

Top 51%
×9stories
+0ft-102ft

Overall

3688

Males

2914

M30-34

608

10.5M→12M

10.5 - 12.0 mi

Top 71%
×18stories
+304ft-125ft

Overall

5073

Males

3808

M30-34

796

12M→14M

12.0 - 14.0 mi

Top 73%
×9stories
+99ft-125ft

Overall

5260

Males

3922

M30-34

814

14M→16M

14.0 - 16.0 mi

Top 31%
×9stories
+124ft-78ft

Overall

2210

Males

1780

M30-34

359

16M→18M

16.0 - 18.0 mi

Top 75%
×8stories
+106ft-45ft

Overall

5399

Males

3917

M30-34

792

18M→20M

18.0 - 20.0 mi

Top 58%
×3stories
+52ft-26ft

Overall

4150

Males

3074

M30-34

623

20M→22M

20.0 - 22.0 mi

Top 61%
×21stories
+17ft-266ft

Overall

4403

Males

3185

M30-34

640

22M→24M

22.0 - 24.0 mi

Top 93%
×3stories
+70ft-85ft

Overall

6649

Males

4699

M30-34

972

24M→Finish

24.0 - 26.2 mi

Top 94%
~flat
+2ft-2ft

Overall

6735

Males

4757

M30-34

980

Passing Analysis

Category:
Athletes Passed
1524*
Passed By
1847
Net Change
-323
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4804
2M → 4M342*72+270#4804#4534
4M → 6M31320+293#4534#4241
6M → 8M39*164-125#4241#4366
8M → 9.6M101*59+42#4366#4324
9.6M → 10M382+36#4324#4288
10M → 10.5M959+86#4288#4202
10.5M → 12M27176-149#4202#4351
12M → 14M26*183-157#4351#4508
14M → 16M351*2+349#4508#4159
16M → 18M32233-201#4159#4360
18M → 20M88*35+53#4360#4307
20M → 22M55*69-14#4307#4321
22M → 24M7*402-395#4321#4716
24M → Finish10*421-411#4716#5127
TOTALS1524*1847-323

* 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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