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SF MARATHON 1ST HALF 2026

Serena Yuen

Bib: 16661•F•Age: 33

Daly City, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Division (F30-34)
#0 / 651
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
12:03/mi
24:06
→ flat
4M
11:23/mi
46:51
↑ 67↓ 69
6M
11:44/mi
1:10:20
↑ 1231.1%
8M
12:16/mi
1:34:53
↑ 166↓ 531.1%
9.6M
8:44/mi
1:48:52
↑ 68↓ 1931.5%
10M
20:31/mi
1:57:04
↓ 241.1%
10.5M
5:22/mi
1:59:45
↓ 732.7%
12M
15:57/mi
2:23:41
↑ 2803.2%
Finish· 13.11 mi
11:30/mi
2:36:26
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:10:20
Pace11:43 /mi
2nd Half
Distance7.11 mi
Time1:26:06
Pace12:07 /mi
📊Positive Split: 22.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:01:4624:0612:0324:06
12:03
-
4M
4.00 mi07:24:3146:5111:4322:45
11:23
-0:40
6M
6.00 mi07:48:001:10:2011:4323:29
11:44
+0:21
8M
8.00 mi08:12:331:34:5311:5224:33
12:16
+0:32
9.6M
9.60 mi08:26:321:48:5211:2013:59
8:44
-3:32
10M
10.00 mi08:34:441:57:0411:428:12
20:31
+11:47
10.5M
10.50 mi08:37:251:59:4511:242:41
5:22
-15:09
12M
12.00 mi09:01:212:23:4111:5823:56
15:57
+10:35
Finish
13.11 mi09:14:062:36:2611:5612:45
11:30
-4:27

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

5:22 /mi

Average Pace

11:56 /mi

Slowest Pace

20:31 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

16:40

11% of race

Time at Steady Pace

1:47:38

69% of race

Time at Slower Pace

32:08

21% of race

Average Pace: 11:56 /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 mi07:01:4624:0612:0324:06
12:03
#5918
4M
4.00 mi07:24:3146:5111:4322:45
11:23
#5395
6M
6.00 mi07:48:001:10:2011:4323:29
11:44
#5180
8M
8.00 mi08:12:331:34:5311:5224:33
12:16
#5065
9.6M
9.60 mi08:26:321:48:5211:2013:59
8:44
#4630
10M
10.00 mi08:34:441:57:0411:428:12
20:31
#4536
10.5M
10.50 mi08:37:251:59:4511:242:41
5:22
#4519
12M
12.00 mi09:01:212:23:4111:5823:56
15:57
#4452
Finish
13.11 mi09:14:062:36:2611:5612:45
11:30
#4440
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 57%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:53

Segment Time

12:06/mi

Pace

0.90 mi

Distance

Overall

3745

Women

1343

Division

312

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi2.00 mi591824965674209(Top 64%)1617(Top 55%)368(Top 57%)
4M4.00 mi2.00 mi5395+5232169+327503+644705(Top 72%)1795(Top 61%)423(Top 65%)
6M6.00 mi2.00 mi5180+2152037+132475+284785(Top 73%)1811(Top 62%)435(Top 67%)
8M8.00 mi2.00 mi5065+1151958+79459+164835(Top 74%)1823(Top 62%)425(Top 65%)
9.6M9.60 mi1.60 mi4630+4351734+224406+532407(Top 37%)842(Top 29%)181(Top 28%)
10M10.00 mi0.40 mi4536+941698+36400+63767(Top 57%)1372(Top 47%)307(Top 47%)
10.5M10.50 mi0.50 mi4519+171689+9399+14081(Top 62%)1500(Top 51%)341(Top 52%)
12M12.00 mi1.50 mi4452+671672+17393+64209(Top 64%)1617(Top 55%)368(Top 57%)
Finish13.11 mi1.11 mi4440+121664+8395-24527(Top 69%)1799(Top 61%)412(Top 63%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 64%
~flat
+5ft-3ft

Overall

4209

Females

1617

F30-34

370

2M→4M

2.0 - 4.0 mi

Top 72%
×4story building
+67ft-69ft

Overall

4705

Females

1795

F30-34

426

4M→6M

4.0 - 6.0 mi

Top 73%
×9story building
+123ft-9ft

Overall

4785

Females

1811

F30-34

438

6M→8M

6.0 - 8.0 mi

Top 74%
×12story building
+166ft-53ft

Overall

4835

Females

1823

F30-34

427

8M→9.6M

8.0 - 9.6 mi

Top 37%
×13story building
+68ft-193ft

Overall

2407

Females

842

F30-34

182

9.6M→10M

9.6 - 10.0 mi

Top 57%
×2story building
+0ft-24ft

Overall

3767

Females

1372

F30-34

309

10M→10.5M

10.0 - 10.5 mi

Top 62%
×6story building
+1ft-73ft

Overall

4081

Females

1500

F30-34

343

10.5M→12M

10.5 - 12.0 mi

Top 64%
×21story building
+280ft-26ft

Overall

4209

Females

1617

F30-34

370

12M→Finish

12.0 - 13.1 mi

Top 69%
×7story building
+14ft-89ft

Overall

4527

Females

1799

F30-34

412

Passing Analysis

Category:
Athletes Passed
1752*
Passed By
274
Net Change
+1478
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5918
2M → 4M537*14+523#5918#5395
4M → 6M249*34+215#5395#5180
6M → 8M191*76+115#5180#5065
8M → 9.6M4438+435#5065#4630
9.6M → 10M10915+94#4630#4536
10M → 10.5M225+17#4536#4519
10.5M → 12M143*76+67#4519#4452
12M → Finish58*46+12#4452#4440
TOTALS1752*274+1478

* 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