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SF MARATHON 1ST HALF 2026

Kaitlyn Chau

Bib: 18789•F•Age: 24

San Francisco, 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
10:47/mi
21:34
→ flat
4M
10:55/mi
43:24
↑ 67↓ 69
6M
10:55/mi
1:05:15
↑ 1231.1%
8M
13:48/mi
1:32:51
↑ 166↓ 531.1%
9.6M
9:39/mi
1:48:18
↑ 68↓ 1931.5%
10M
21:26/mi
1:56:52
↓ 241.1%
10.5M
5:56/mi
1:59:50
↓ 732.7%
12M
18:04/mi
2:26:56
↑ 2803.2%
Finish· 13.11 mi
13:09/mi
2:41:31
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:05:15
Pace10:53 /mi
2nd Half
Distance7.11 mi
Time1:36:16
Pace13:32 /mi
📊Positive Split: 47.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:11:4121:3410:4721:34
10:47
-
4M
4.00 mi07:33:3143:2410:5121:50
10:55
+0:08
6M
6.00 mi07:55:221:05:1510:5321:51
10:55
0:00
8M
8.00 mi08:22:581:32:5111:3627:36
13:48
+2:53
9.6M
9.60 mi08:38:251:48:1811:1715:27
9:39
-4:09
10M
10.00 mi08:46:591:56:5211:418:34
21:26
+11:47
10.5M
10.50 mi08:49:571:59:5011:252:58
5:56
-15:30
12M
12.00 mi09:17:032:26:5612:1527:06
18:04
+12:08
Finish
13.11 mi09:31:382:41:3112:1914:35
13:09
-4:55

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

5:56 /mi

Average Pace

12:19 /mi

Slowest Pace

21:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:58

2% of race

Time at Steady Pace

1:20:42

50% of race

Time at Slower Pace

1:17:51

48% of race

Average Pace: 12:19 /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 mi07:11:4121:3410:4721:34
10:47
#4353
4M
4.00 mi07:33:3143:2410:5121:50
10:55
#4206
6M
6.00 mi07:55:221:05:1510:5321:51
10:55
#4015
8M
8.00 mi08:22:581:32:5111:3627:36
13:48
#4776
9.6M
9.60 mi08:38:251:48:1811:1715:27
9:39
#4557
10M
10.00 mi08:46:591:56:5211:418:34
21:26
#4511
10.5M
10.50 mi08:49:571:59:5011:252:58
5:56
#4531
12M
12.00 mi09:17:032:26:5612:1527:06
18:04
#4774
Finish
13.11 mi09:31:382:41:3112:1914:35
13:09
#4860
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 67%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:32

Segment Time

12:49/mi

Pace

0.90 mi

Distance

Overall

4425

Women

1715

Division

235

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
2M2.00 mi2.00 mi435315832055460(Top 83%)2310(Top 79%)294(Top 83%)
4M4.00 mi2.00 mi4206+1471511+72202+34116(Top 63%)1463(Top 50%)195(Top 55%)
6M6.00 mi2.00 mi4015+1911402+109190+123790(Top 58%)1307(Top 45%)178(Top 50%)
8M8.00 mi2.00 mi4776-7611794-392239-495885(Top 90%)2461(Top 84%)317(Top 90%)
9.6M9.60 mi1.60 mi4557+2191701+93226+133553(Top 54%)1367(Top 47%)184(Top 52%)
10M10.00 mi0.40 mi4511+461685+16221+54287(Top 65%)1648(Top 56%)223(Top 63%)
10.5M10.50 mi0.50 mi4531-201696-11224-35238(Top 80%)2145(Top 73%)286(Top 81%)
12M12.00 mi1.50 mi4774-2431838-142246-225460(Top 83%)2310(Top 79%)294(Top 83%)
Finish13.11 mi1.11 mi4860-861894-56252-65635(Top 86%)2419(Top 83%)311(Top 88%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 83%
~flat
+5ft-3ft

Overall

5460

Females

2310

F20-24

294

2M→4M

2.0 - 4.0 mi

Top 63%
×4story building
+67ft-69ft

Overall

4116

Females

1463

F20-24

196

4M→6M

4.0 - 6.0 mi

Top 58%
×9story building
+123ft-9ft

Overall

3790

Females

1307

F20-24

179

6M→8M

6.0 - 8.0 mi

Top 90%
×12story building
+166ft-53ft

Overall

5885

Females

2461

F20-24

317

8M→9.6M

8.0 - 9.6 mi

Top 54%
×13story building
+68ft-193ft

Overall

3553

Females

1367

F20-24

184

9.6M→10M

9.6 - 10.0 mi

Top 65%
×2story building
+0ft-24ft

Overall

4287

Females

1648

F20-24

223

10M→10.5M

10.0 - 10.5 mi

Top 80%
×6story building
+1ft-73ft

Overall

5238

Females

2145

F20-24

286

10.5M→12M

10.5 - 12.0 mi

Top 83%
×21story building
+280ft-26ft

Overall

5460

Females

2310

F20-24

294

12M→Finish

12.0 - 13.1 mi

Top 86%
×7story building
+14ft-89ft

Overall

5635

Females

2419

F20-24

311

Passing Analysis

Category:
Athletes Passed
936*
Passed By
1443
Net Change
-507
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4353
2M → 4M256109+147#4353#4206
4M → 6M238*47+191#4206#4015
6M → 8M15*776-761#4015#4776
8M → 9.6M27859+219#4776#4557
9.6M → 10M7529+46#4557#4511
10M → 10.5M626-20#4511#4531
10.5M → 12M32*275-243#4531#4774
12M → Finish36*122-86#4774#4860
TOTALS936*1443-507

* 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