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SF MARATHON 1ST HALF 2026

Daniel Tsai

Bib: 14080•M•Age: 35

Sunnyvale, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 14%
Gender (Male)
#0 / 3619
Top 21%
Division (M35-39)
#0 / 582
Top 22%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
8:06/mi
16:12
→ flat
4M
8:12/mi
32:35
↑ 67↓ 69
6M
8:07/mi
48:49
↑ 1231.1%
8M
10:05/mi
1:08:59
↑ 166↓ 531.1%
9.6M
7:21/mi
1:20:44
↑ 68↓ 1931.5%
10M
16:24/mi
1:27:17
↓ 241.1%
10.5M
4:22/mi
1:29:28
↓ 732.7%
12M
12:10/mi
1:47:43
↑ 2803.2%
Finish· 13.11 mi
8:53/mi
1:57:34
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time48:49
Pace8:08 /mi
2nd Half
Distance7.11 mi
Time1:08:45
Pace9:40 /mi
📊Positive Split: 40.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:48:3716:128:0616:12
8:06
-
4M
4.00 mi07:05:0032:358:0916:23
8:12
+0:06
6M
6.00 mi07:21:1448:498:0816:14
8:07
-0:05
8M
8.00 mi07:41:241:08:598:3720:10
10:05
+1:58
9.6M
9.60 mi07:53:091:20:448:2511:45
7:21
-2:44
10M
10.00 mi07:59:421:27:178:446:33
16:24
+9:03
10.5M
10.50 mi08:01:531:29:288:312:11
4:22
-12:02
12M
12.00 mi08:20:081:47:438:5918:15
12:10
+7:48
Finish
13.11 mi08:29:591:57:348:589:51
8:53
-3:17

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

4:22 /mi

Average Pace

8:58 /mi

Slowest Pace

16:24 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11

2% of race

Time at Steady Pace

1:10:25

60% of race

Time at Slower Pace

44:58

38% of race

Average Pace: 8:58 /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...
0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2M
2.00 mi06:48:3716:128:0616:12
8:06
#574
4M
4.00 mi07:05:0032:358:0916:23
8:12
#566
6M
6.00 mi07:21:1448:498:0816:14
8:07
#543
8M
8.00 mi07:41:241:08:598:3720:10
10:05
#904
9.6M
9.60 mi07:53:091:20:448:2511:45
7:21
#845
10M
10.00 mi07:59:421:27:178:446:33
16:24
#874
10.5M
10.50 mi08:01:531:29:288:312:11
4:22
#875
12M
12.00 mi08:20:081:47:438:5918:15
12:10
#908
Finish
13.11 mi08:29:591:57:348:589:51
8:53
#927
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 21%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:44

Segment Time

9:42/mi

Pace

0.90 mi

Distance

Overall

1376

Men

1061

Division

179

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi574483871347(Top 20%)1002(Top 28%)156(Top 27%)
4M4.00 mi2.00 mi566+8481+287579(Top 9%)488(Top 13%)88(Top 15%)
6M6.00 mi2.00 mi543+23459+2283+4568(Top 9%)475(Top 13%)84(Top 14%)
8M8.00 mi2.00 mi904-361743-284138-552476(Top 38%)1794(Top 50%)313(Top 54%)
9.6M9.60 mi1.60 mi845+59688+55126+12927(Top 14%)649(Top 18%)106(Top 18%)
10M10.00 mi0.40 mi874-29712-24129-31443(Top 22%)1087(Top 30%)180(Top 31%)
10.5M10.50 mi0.50 mi875-1713-11291434(Top 22%)1109(Top 31%)188(Top 32%)
12M12.00 mi1.50 mi908-33735-22128+11347(Top 20%)1002(Top 28%)156(Top 27%)
Finish13.11 mi1.11 mi927-19755-201281511(Top 23%)1133(Top 31%)187(Top 32%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 20%
~flat
+5ft-3ft

Overall

1347

Males

1002

M35-39

156

2M→4M

2.0 - 4.0 mi

Top 9%
×4story building
+67ft-69ft

Overall

579

Males

488

M35-39

88

4M→6M

4.0 - 6.0 mi

Top 9%
×9story building
+123ft-9ft

Overall

568

Males

475

M35-39

84

6M→8M

6.0 - 8.0 mi

Top 38%
×12story building
+166ft-53ft

Overall

2476

Males

1794

M35-39

313

8M→9.6M

8.0 - 9.6 mi

Top 14%
×13story building
+68ft-193ft

Overall

927

Males

649

M35-39

106

9.6M→10M

9.6 - 10.0 mi

Top 22%
×2story building
+0ft-24ft

Overall

1443

Males

1087

M35-39

180

10M→10.5M

10.0 - 10.5 mi

Top 22%
×6story building
+1ft-73ft

Overall

1434

Males

1109

M35-39

188

10.5M→12M

10.5 - 12.0 mi

Top 20%
×21story building
+280ft-26ft

Overall

1347

Males

1002

M35-39

156

12M→Finish

12.0 - 13.1 mi

Top 23%
×7story building
+14ft-89ft

Overall

1511

Males

1133

M35-39

187

Passing Analysis

Category:
Athletes Passed
248*
Passed By
601
Net Change
-353
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#574
2M → 4M4133+8#574#566
4M → 6M4017+23#566#543
6M → 8M0361-361#543#904
8M → 9.6M10243+59#904#845
9.6M → 10M938-29#845#874
10M → 10.5M23-1#874#875
10.5M → 12M3164-33#875#908
12M → Finish23*42-19#908#927
TOTALS248*601-353

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

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events