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SF MARATHON 1ST HALF 2026

Lynn Tsai

Bib: 19138•F•Age: 37

San Jose, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Division (F35-39)
#0 / 388
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
11:23/mi
22:47
→ flat
4M
11:29/mi
45:45
↑ 67↓ 69
6M
11:55/mi
1:09:35
↑ 1231.1%
8M
12:08/mi
1:33:51
↑ 166↓ 531.1%
9.6M
12:08/mi
1:53:15
↑ 68↓ 1931.5%
10M
24:02/mi
2:02:51
↓ 241.1%
10.5M
6:22/mi
2:06:02
↓ 732.7%
12M
17:51/mi
2:32:48
↑ 2803.2%
Finish· 13.11 mi
13:31/mi
2:47:48
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:09:35
Pace11:36 /mi
2nd Half
Distance7.11 mi
Time1:38:13
Pace13:49 /mi
📊Positive Split: 41.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:09:1022:4711:2322:47
11:23
-
4M
4.00 mi07:32:0845:4511:2622:58
11:29
+0:06
6M
6.00 mi07:55:581:09:3511:3623:50
11:55
+0:26
8M
8.00 mi08:20:141:33:5111:4424:16
12:08
+0:13
9.6M
9.60 mi08:39:381:53:1511:4819:24
12:08
0:00
10M
10.00 mi08:49:142:02:5112:179:36
24:02
+11:54
10.5M
10.50 mi08:52:252:06:0212:003:11
6:22
-17:40
12M
12.00 mi09:19:112:32:4812:4426:46
17:51
+11:29
Finish
13.11 mi09:34:112:47:4812:4815:00
13:31
-4:20

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

6:22 /mi

Average Pace

12:48 /mi

Slowest Pace

24:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:11

2% of race

Time at Steady Pace

2:08:15

76% of race

Time at Slower Pace

36:22

22% of race

Average Pace: 12:48 /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 mi07:09:1022:4711:2322:47
11:23
#5296
4M
4.00 mi07:32:0845:4511:2622:58
11:29
#5080
6M
6.00 mi07:55:581:09:3511:3623:50
11:55
#5046
8M
8.00 mi08:20:141:33:5111:4424:16
12:08
#4924
9.6M
9.60 mi08:39:381:53:1511:4819:24
12:08
#5210
10M
10.00 mi08:49:142:02:5112:179:36
24:02
#5222
10.5M
10.50 mi08:52:252:06:0212:003:11
6:22
#5248
12M
12.00 mi09:19:112:32:4812:4426:46
17:51
#5293
Finish
13.11 mi09:34:112:47:4812:4815:00
13:31
#5362
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 82%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:47

Segment Time

14:12/mi

Pace

0.90 mi

Distance

Overall

5405

Women

2263

Division

283

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
2M2.00 mi2.00 mi529621212635348(Top 81%)2240(Top 76%)291(Top 75%)
4M4.00 mi2.00 mi5080+2161991+130247+164854(Top 74%)1885(Top 64%)231(Top 60%)
6M6.00 mi2.00 mi5046+341964+27241+64972(Top 76%)1919(Top 65%)232(Top 60%)
8M8.00 mi2.00 mi4924+1221886+78232+94695(Top 71%)1736(Top 59%)230(Top 59%)
9.6M9.60 mi1.60 mi5210-2862056-170252-205908(Top 90%)2538(Top 87%)330(Top 85%)
10M10.00 mi0.40 mi5222-122064-8251+15364(Top 82%)2242(Top 77%)284(Top 73%)
10.5M10.50 mi0.50 mi5248-262082-18250+15764(Top 88%)2454(Top 84%)313(Top 81%)
12M12.00 mi1.50 mi5293-452128-46260-105348(Top 81%)2240(Top 76%)291(Top 75%)
Finish13.11 mi1.11 mi5362-692177-49268-85792(Top 88%)2508(Top 86%)331(Top 85%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 81%
~flat
+5ft-3ft

Overall

5348

Females

2240

F35-39

291

2M→4M

2.0 - 4.0 mi

Top 74%
×4story building
+67ft-69ft

Overall

4854

Females

1885

F35-39

231

4M→6M

4.0 - 6.0 mi

Top 76%
×9story building
+123ft-9ft

Overall

4972

Females

1919

F35-39

232

6M→8M

6.0 - 8.0 mi

Top 71%
×12story building
+166ft-53ft

Overall

4695

Females

1736

F35-39

230

8M→9.6M

8.0 - 9.6 mi

Top 90%
×13story building
+68ft-193ft

Overall

5908

Females

2538

F35-39

330

9.6M→10M

9.6 - 10.0 mi

Top 82%
×2story building
+0ft-24ft

Overall

5364

Females

2242

F35-39

284

10M→10.5M

10.0 - 10.5 mi

Top 88%
×6story building
+1ft-73ft

Overall

5764

Females

2454

F35-39

313

10.5M→12M

10.5 - 12.0 mi

Top 81%
×21story building
+280ft-26ft

Overall

5348

Females

2240

F35-39

291

12M→Finish

12.0 - 13.1 mi

Top 88%
×7story building
+14ft-89ft

Overall

5792

Females

2508

F35-39

331

Passing Analysis

Category:
Athletes Passed
816*
Passed By
882
Net Change
-66
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5296
2M → 4M27761+216#5296#5080
4M → 6M149*115+34#5080#5046
6M → 8M215*93+122#5046#4924
8M → 9.6M13299-286#4924#5210
9.6M → 10M3951-12#5210#5222
10M → 10.5M1036-26#5222#5248
10.5M → 12M76*121-45#5248#5293
12M → Finish37*106-69#5293#5362
TOTALS816*882-66

* 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