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SF MARATHON 1ST HALF 2026

Jinny Choi

Bib: 17334•F•Age: 27

Foster City, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Division (F25-29)
#0 / 674
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
10:19/mi
20:38
→ flat
4M
10:55/mi
42:28
↑ 67↓ 69
6M
12:48/mi
1:08:05
↑ 1231.1%
8M
12:11/mi
1:32:27
↑ 166↓ 531.1%
9.6M
12:11/mi
1:51:56
↑ 68↓ 1931.5%
10M
24:52/mi
2:01:52
↓ 241.1%
10.5M
6:00/mi
2:04:52
↓ 732.7%
12M
17:34/mi
2:31:13
↑ 2803.2%
Finish· 13.11 mi
11:14/mi
2:43:41
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:08:05
Pace11:21 /mi
2nd Half
Distance7.11 mi
Time1:35:36
Pace13:27 /mi
📊Positive Split: 40.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:10:4720:3810:1920:38
10:19
-
4M
4.00 mi07:32:3742:2810:3721:50
10:55
+0:36
6M
6.00 mi07:58:141:08:0511:2125:37
12:48
+1:53
8M
8.00 mi08:22:361:32:2711:3324:22
12:11
-0:37
9.6M
9.60 mi08:42:051:51:5611:4019:29
12:11
0:00
10M
10.00 mi08:52:012:01:5212:119:56
24:52
+12:41
10.5M
10.50 mi08:55:012:04:5211:543:00
6:00
-18:52
12M
12.00 mi09:21:222:31:1312:3626:21
17:34
+11:34
Finish
13.11 mi09:33:502:43:4112:2912:28
11:14
-6:20

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

6:00 /mi

Average Pace

12:29 /mi

Slowest Pace

24:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00

2% of race

Time at Steady Pace

2:04:24

76% of race

Time at Slower Pace

36:17

22% of race

Average Pace: 12:29 /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 mi07:10:4720:3810:1920:38
10:19
#3598
4M
4.00 mi07:32:3742:2810:3721:50
10:55
#3862
6M
6.00 mi07:58:141:08:0511:2125:37
12:48
#4690
8M
8.00 mi08:22:361:32:2711:3324:22
12:11
#4711
9.6M
9.60 mi08:42:051:51:5611:4019:29
12:11
#5056
10M
10.00 mi08:52:012:01:5212:119:56
24:52
#5125
10.5M
10.50 mi08:55:012:04:5211:543:00
6:00
#5122
12M
12.00 mi09:21:222:31:1312:3626:21
17:34
#5167
Finish
13.11 mi09:33:502:43:4112:2912:28
11:14
#5038
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 84%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:56

Segment Time

14:22/mi

Pace

0.90 mi

Distance

Overall

5507

Women

2320

Division

560

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2.00 mi359812222965199(Top 79%)2166(Top 74%)522(Top 77%)
4M4.00 mi2.00 mi3862-2641334-112331-354112(Top 63%)1461(Top 50%)370(Top 55%)
6M6.00 mi2.00 mi4690-8281761-427435-1045718(Top 87%)2366(Top 81%)575(Top 85%)
8M8.00 mi2.00 mi4711-211760+1433+24747(Top 72%)1766(Top 60%)415(Top 62%)
9.6M9.60 mi1.60 mi5056-3451970-210485-525936(Top 90%)2555(Top 87%)593(Top 88%)
10M10.00 mi0.40 mi5125-692008-38491-65582(Top 85%)2371(Top 81%)557(Top 83%)
10.5M10.50 mi0.50 mi5122+32007+1492-15362(Top 82%)2222(Top 76%)540(Top 80%)
12M12.00 mi1.50 mi5167-452053-46498-65199(Top 79%)2166(Top 74%)522(Top 77%)
Finish13.11 mi1.11 mi5038+1291990+63493+54283(Top 65%)1657(Top 57%)412(Top 61%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 79%
~flat
+5ft-3ft

Overall

5199

Females

2166

F25-29

522

2M→4M

2.0 - 4.0 mi

Top 63%
×4story building
+67ft-69ft

Overall

4112

Females

1461

F25-29

370

4M→6M

4.0 - 6.0 mi

Top 87%
×9story building
+123ft-9ft

Overall

5718

Females

2366

F25-29

575

6M→8M

6.0 - 8.0 mi

Top 72%
×12story building
+166ft-53ft

Overall

4747

Females

1766

F25-29

415

8M→9.6M

8.0 - 9.6 mi

Top 90%
×13story building
+68ft-193ft

Overall

5936

Females

2555

F25-29

593

9.6M→10M

9.6 - 10.0 mi

Top 85%
×2story building
+0ft-24ft

Overall

5582

Females

2371

F25-29

558

10M→10.5M

10.0 - 10.5 mi

Top 82%
×6story building
+1ft-73ft

Overall

5362

Females

2222

F25-29

541

10.5M→12M

10.5 - 12.0 mi

Top 79%
×21story building
+280ft-26ft

Overall

5199

Females

2166

F25-29

522

12M→Finish

12.0 - 13.1 mi

Top 65%
×7story building
+14ft-89ft

Overall

4283

Females

1657

F25-29

412

Passing Analysis

Category:
Athletes Passed
512*
Passed By
1952
Net Change
-1440
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3598
2M → 4M88352-264#3598#3862
4M → 6M12*840-828#3862#4690
6M → 8M151*172-21#4690#4711
8M → 9.6M8353-345#4711#5056
9.6M → 10M2796-69#5056#5125
10M → 10.5M1411+3#5125#5122
10.5M → 12M76*121-45#5122#5167
12M → Finish136*7+129#5167#5038
TOTALS512*1952-1440

* 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