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SF MARATHON 1ST HALF 2026

Jenny Chu

Bib: 18064•F•Age: 33

San Francisco, 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
11:00/mi
22:01
→ flat
4M
11:34/mi
45:08
↑ 67↓ 69
6M
11:42/mi
1:08:33
↑ 1231.1%
8M
13:10/mi
1:34:53
↑ 166↓ 531.1%
9.6M
9:39/mi
1:50:20
↑ 68↓ 1931.5%
10M
23:27/mi
1:59:42
↓ 241.1%
10.5M
6:00/mi
2:02:42
↓ 732.7%
12M
17:30/mi
2:28:57
↑ 2803.2%
Finish· 13.11 mi
11:13/mi
2:41:23
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:08:33
Pace11:26 /mi
2nd Half
Distance7.11 mi
Time1:32:50
Pace13:04 /mi
📊Positive Split: 35.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:11:2622:0111:0022:01
11:00
-
4M
4.00 mi07:34:3345:0811:1723:07
11:34
+0:34
6M
6.00 mi07:57:581:08:3311:2623:25
11:42
+0:08
8M
8.00 mi08:24:181:34:5311:5226:20
13:10
+1:28
9.6M
9.60 mi08:39:451:50:2011:3015:27
9:39
-3:31
10M
10.00 mi08:49:071:59:4211:589:22
23:27
+13:48
10.5M
10.50 mi08:52:072:02:4211:413:00
6:00
-17:27
12M
12.00 mi09:18:222:28:5712:2526:15
17:30
+11:30
Finish
13.11 mi09:30:482:41:2312:1912:26
11:13
-6:17

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

6:00 /mi

Average Pace

12:19 /mi

Slowest Pace

23:27 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00

2% of race

Time at Steady Pace

2:02:46

76% of race

Time at Slower Pace

35:37

22% 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 mi07:11:2622:0111:0022:01
11:00
#4705
4M
4.00 mi07:34:3345:0811:1723:07
11:34
#4855
6M
6.00 mi07:57:581:08:3311:2623:25
11:42
#4809
8M
8.00 mi08:24:181:34:5311:5226:20
13:10
#5066
9.6M
9.60 mi08:39:451:50:2011:3015:27
9:39
#4836
10M
10.00 mi08:49:071:59:4211:589:22
23:27
#4881
10.5M
10.50 mi08:52:072:02:4211:413:00
6:00
#4895
12M
12.00 mi09:18:222:28:5712:2526:15
17:30
#4954
Finish
13.11 mi09:30:482:41:2312:1912:26
11:13
#4852
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 78%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:22

Segment Time

13:45/mi

Pace

0.90 mi

Distance

Overall

5128

Women

2088

Division

492

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi2.00 mi470517684125149(Top 78%)2141(Top 73%)489(Top 75%)
4M4.00 mi2.00 mi4855-1501858-90430-184935(Top 75%)1921(Top 66%)451(Top 69%)
6M6.00 mi2.00 mi4809+461833+25429+14757(Top 72%)1798(Top 61%)429(Top 66%)
8M8.00 mi2.00 mi5066-2571959-126460-315555(Top 84%)2265(Top 77%)521(Top 80%)
9.6M9.60 mi1.60 mi4836+2301852+107433+273552(Top 54%)1366(Top 47%)314(Top 48%)
10M10.00 mi0.40 mi4881-451875-23439-65145(Top 78%)2105(Top 72%)490(Top 75%)
10.5M10.50 mi0.50 mi4895-141887-12440-15354(Top 81%)2217(Top 76%)505(Top 78%)
12M12.00 mi1.50 mi4954-591939-52457-175149(Top 78%)2141(Top 73%)489(Top 75%)
Finish13.11 mi1.11 mi4852+1021888+51446+114256(Top 65%)1638(Top 56%)381(Top 59%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 78%
~flat
+5ft-3ft

Overall

5149

Females

2141

F30-34

491

2M→4M

2.0 - 4.0 mi

Top 75%
×4story building
+67ft-69ft

Overall

4935

Females

1921

F30-34

454

4M→6M

4.0 - 6.0 mi

Top 72%
×9story building
+123ft-9ft

Overall

4757

Females

1798

F30-34

432

6M→8M

6.0 - 8.0 mi

Top 84%
×12story building
+166ft-53ft

Overall

5555

Females

2265

F30-34

523

8M→9.6M

8.0 - 9.6 mi

Top 54%
×13story building
+68ft-193ft

Overall

3552

Females

1366

F30-34

316

9.6M→10M

9.6 - 10.0 mi

Top 78%
×2story building
+0ft-24ft

Overall

5145

Females

2105

F30-34

492

10M→10.5M

10.0 - 10.5 mi

Top 81%
×6story building
+1ft-73ft

Overall

5354

Females

2217

F30-34

507

10.5M→12M

10.5 - 12.0 mi

Top 78%
×21story building
+280ft-26ft

Overall

5149

Females

2141

F30-34

491

12M→Finish

12.0 - 13.1 mi

Top 65%
×7story building
+14ft-89ft

Overall

4256

Females

1638

F30-34

381

Passing Analysis

Category:
Athletes Passed
813*
Passed By
960
Net Change
-147
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4705
2M → 4M127277-150#4705#4855
4M → 6M150*104+46#4855#4809
6M → 8M48*305-257#4809#5066
8M → 9.6M26939+230#5066#4836
9.6M → 10M3277-45#4836#4881
10M → 10.5M620-14#4881#4895
10.5M → 12M69*128-59#4895#4954
12M → Finish112*10+102#4954#4852
TOTALS813*960-147

* 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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Questions or issues regarding timing data?

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events