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SF MARATHON 1ST HALF 2026

Jiehong Tsai

Bib: 18025•M•Age: 40

San Jose, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Top 36%
Gender (Male)
#0 / 3619
Top 46%
Masters (Masters Men)
#0 / 1030
Top 36%
Division (M40-44)
#0 / 319
Top 43%
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
9:41/mi
19:22
→ flat
4M
9:26/mi
38:13
↑ 67↓ 69
6M
9:22/mi
56:57
↑ 1231.1%
8M
10:48/mi
1:18:33
↑ 166↓ 531.1%
9.6M
7:45/mi
1:30:57
↑ 68↓ 1931.5%
10M
17:54/mi
1:38:06
↓ 241.1%
10.5M
4:42/mi
1:40:27
↓ 732.7%
12M
14:48/mi
2:02:39
↑ 2803.2%
Finish· 13.11 mi
9:52/mi
2:13:36
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time56:57
Pace9:30 /mi
2nd Half
Distance7.11 mi
Time1:16:39
Pace10:47 /mi
📊Positive Split: 34.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:57:4319:229:4119:22
9:41
-
4M
4.00 mi07:16:3438:139:3318:51
9:26
-0:15
6M
6.00 mi07:35:1856:579:3018:44
9:22
-0:04
8M
8.00 mi07:56:541:18:339:4921:36
10:48
+1:26
9.6M
9.60 mi08:09:181:30:579:2812:24
7:45
-3:03
10M
10.00 mi08:16:271:38:069:497:09
17:54
+10:09
10.5M
10.50 mi08:18:481:40:279:342:21
4:42
-13:12
12M
12.00 mi08:41:002:02:3910:1322:12
14:48
+10:06
Finish
13.11 mi08:51:572:13:3610:1110:57
9:52
-4:56

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

4:42 /mi

Average Pace

10:11 /mi

Slowest Pace

17:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

14:45

11% of race

Time at Steady Pace

1:29:30

67% of race

Time at Slower Pace

29:21

22% of race

Average Pace: 10:11 /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 mi06:57:4319:229:4119:22
9:41
#2553
4M
4.00 mi07:16:3438:139:3318:51
9:26
#2236
6M
6.00 mi07:35:1856:579:3018:44
9:22
#2078
8M
8.00 mi07:56:541:18:339:4921:36
10:48
#2378
9.6M
9.60 mi08:09:181:30:579:2812:24
7:45
#2144
10M
10.00 mi08:16:271:38:069:497:09
17:54
#2133
10.5M
10.50 mi08:18:481:40:279:342:21
4:42
#2137
12M
12.00 mi08:41:002:02:3910:1322:12
14:48
#2339
Finish
13.11 mi08:51:572:13:3610:1110:57
9:52
#2345
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 34%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:30

Segment Time

10:34/mi

Pace

0.90 mi

Distance

Overall

2247

Men

1589

Division

131

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
2M2.00 mi2.00 mi255318011493380(Top 51%)2160(Top 60%)179(Top 56%)
4M4.00 mi2.00 mi2236+3171617+184135+142016(Top 31%)1486(Top 41%)127(Top 40%)
6M6.00 mi2.00 mi2078+1581523+94122+131881(Top 29%)1401(Top 39%)104(Top 33%)
8M8.00 mi2.00 mi2378-3001718-195140-183297(Top 50%)2231(Top 62%)184(Top 58%)
9.6M9.60 mi1.60 mi2144+2341549+169124+161286(Top 20%)857(Top 24%)61(Top 19%)
10M10.00 mi0.40 mi2133+111540+9123+12316(Top 35%)1620(Top 45%)131(Top 41%)
10.5M10.50 mi0.50 mi2137-41541-11232363(Top 36%)1657(Top 46%)134(Top 42%)
12M12.00 mi1.50 mi2339-2021653-112134-113380(Top 51%)2160(Top 60%)179(Top 56%)
Finish13.11 mi1.11 mi2345-61660-7136-22708(Top 41%)1824(Top 50%)156(Top 49%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 51%
~flat
+5ft-3ft

Overall

3380

Males

2160

M40-44

179

2M→4M

2.0 - 4.0 mi

Top 31%
×4story building
+67ft-69ft

Overall

2016

Males

1486

M40-44

127

4M→6M

4.0 - 6.0 mi

Top 29%
×9story building
+123ft-9ft

Overall

1881

Males

1401

M40-44

104

6M→8M

6.0 - 8.0 mi

Top 50%
×12story building
+166ft-53ft

Overall

3297

Males

2231

M40-44

184

8M→9.6M

8.0 - 9.6 mi

Top 20%
×13story building
+68ft-193ft

Overall

1286

Males

857

M40-44

61

9.6M→10M

9.6 - 10.0 mi

Top 35%
×2story building
+0ft-24ft

Overall

2316

Males

1620

M40-44

131

10M→10.5M

10.0 - 10.5 mi

Top 36%
×6story building
+1ft-73ft

Overall

2363

Males

1657

M40-44

134

10.5M→12M

10.5 - 12.0 mi

Top 51%
×21story building
+280ft-26ft

Overall

3380

Males

2160

M40-44

179

12M→Finish

12.0 - 13.1 mi

Top 41%
×7story building
+14ft-89ft

Overall

2708

Males

1824

M40-44

156

Passing Analysis

Category:
Athletes Passed
890*
Passed By
682
Net Change
+208
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2553
2M → 4M33922+317#2553#2236
4M → 6M17820+158#2236#2078
6M → 8M23*323-300#2078#2378
8M → 9.6M26733+234#2378#2144
9.6M → 10M3120+11#2144#2133
10M → 10.5M610-4#2133#2137
10.5M → 12M16218-202#2137#2339
12M → Finish30*36-6#2339#2345
TOTALS890*682+208

* 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