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SF MARATHON 1ST HALF 2026

Michelle Lau

Bib: 13937•F•Age: 21

San Jose, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
F20-29
#0 / 353
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
11:24/mi
22:49
→ flat
4M
11:14/mi
45:16
↑ 67↓ 69
6M
11:32/mi
1:08:20
↑ 1231.1%
8M
12:55/mi
1:34:11
↑ 166↓ 531.1%
9.6M
9:29/mi
1:49:21
↑ 68↓ 1931.5%
10M
23:59/mi
1:58:56
↓ 241.1%
10.5M
6:04/mi
2:01:58
↓ 732.7%
12M
16:39/mi
2:26:56
↑ 2803.2%
Finish· 13.11 mi
11:13/mi
2:39:22
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:08:20
Pace11:23 /mi
2nd Half
Distance7.11 mi
Time1:31:02
Pace12:48 /mi
📊Positive Split: 33.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:57:4922:4911:2422:49
11:24
-
4M
4.00 mi07:20:1645:1611:1922:27
11:14
-0:10
6M
6.00 mi07:43:201:08:2011:2323:04
11:32
+0:18
8M
8.00 mi08:09:111:34:1111:4625:51
12:55
+1:23
9.6M
9.60 mi08:24:211:49:2111:2315:10
9:29
-3:26
10M
10.00 mi08:33:561:58:5611:549:35
23:59
+14:30
10.5M
10.50 mi08:36:582:01:5811:373:02
6:04
-17:55
12M
12.00 mi09:01:562:26:5612:1524:58
16:39
+10:35
Finish
13.11 mi09:14:222:39:2212:0912:26
11:13
-5:26

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

6:04 /mi

Average Pace

12:09 /mi

Slowest Pace

23:59 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:02

2% of race

Time at Steady Pace

2:01:47

76% of race

Time at Slower Pace

34:33

22% of race

Average Pace: 12:09 /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 mi06:57:4922:4911:2422:49
11:24
#5316
4M
4.00 mi07:20:1645:1611:1922:27
11:14
#4913
6M
6.00 mi07:43:201:08:2011:2323:04
11:32
#4753
8M
8.00 mi08:09:111:34:1111:4625:51
12:55
#4974
9.6M
9.60 mi08:24:211:49:2111:2315:10
9:29
#4703
10M
10.00 mi08:33:561:58:5611:549:35
23:59
#4791
10.5M
10.50 mi08:36:582:01:5811:373:02
6:04
#4816
12M
12.00 mi09:01:562:26:5612:1524:58
16:39
#4773
Finish
13.11 mi09:14:222:39:2212:0912:26
11:13
#4688
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 81%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:37

Segment Time

14:01/mi

Pace

0.90 mi

Distance

Overall

5308

Women

2198

Division

285

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
2M2.00 mi2.00 mi531621342804637(Top 71%)1841(Top 63%)247(Top 70%)
4M4.00 mi2.00 mi4913+4031893+241247+334523(Top 69%)1690(Top 58%)223(Top 63%)
6M6.00 mi2.00 mi4753+1601800+93242+54544(Top 69%)1687(Top 58%)230(Top 65%)
8M8.00 mi2.00 mi4974-2211911-111259-175379(Top 82%)2155(Top 74%)278(Top 79%)
9.6M9.60 mi1.60 mi4703+2711775+136238+213343(Top 51%)1264(Top 43%)167(Top 47%)
10M10.00 mi0.40 mi4791-881827-52246-85341(Top 81%)2228(Top 76%)289(Top 82%)
10.5M10.50 mi0.50 mi4816-251842-15248-25439(Top 83%)2270(Top 77%)298(Top 84%)
12M12.00 mi1.50 mi4773+431837+5245+34637(Top 71%)1841(Top 63%)247(Top 70%)
Finish13.11 mi1.11 mi4688+851795+42240+54254(Top 65%)1636(Top 56%)211(Top 60%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 71%
~flat
+5ft-3ft

Overall

4637

Females

1841

F20-24

247

2M→4M

2.0 - 4.0 mi

Top 69%
×4story building
+67ft-69ft

Overall

4523

Females

1690

F20-24

224

4M→6M

4.0 - 6.0 mi

Top 69%
×9story building
+123ft-9ft

Overall

4544

Females

1687

F20-24

231

6M→8M

6.0 - 8.0 mi

Top 82%
×12story building
+166ft-53ft

Overall

5379

Females

2155

F20-24

278

8M→9.6M

8.0 - 9.6 mi

Top 51%
×13story building
+68ft-193ft

Overall

3343

Females

1264

F20-24

167

9.6M→10M

9.6 - 10.0 mi

Top 81%
×2story building
+0ft-24ft

Overall

5341

Females

2228

F20-24

289

10M→10.5M

10.0 - 10.5 mi

Top 83%
×6story building
+1ft-73ft

Overall

5439

Females

2270

F20-24

298

10.5M→12M

10.5 - 12.0 mi

Top 71%
×21story building
+280ft-26ft

Overall

4637

Females

1841

F20-24

247

12M→Finish

12.0 - 13.1 mi

Top 65%
×7story building
+14ft-89ft

Overall

4254

Females

1636

F20-24

211

Passing Analysis

Category:
Athletes Passed
1266*
Passed By
638
Net Change
+628
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5316
2M → 4M43229+403#5316#4913
4M → 6M218*58+160#4913#4753
6M → 8M59*280-221#4753#4974
8M → 9.6M31140+271#4974#4703
9.6M → 10M19107-88#4703#4791
10M → 10.5M631-25#4791#4816
10.5M → 12M123*80+43#4816#4773
12M → Finish98*13+85#4773#4688
TOTALS1266*638+628

* 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