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SF MARATHON 1ST HALF 2026

Seyoung Choi

Bib: 15626•F•Age: 32

San Jose, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 43%
Gender (Female)
#0 / 2930
Top 30%
Division (F30-34)
#0 / 651
Top 30%
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
9:36/mi
19:13
→ flat
4M
10:05/mi
39:23
↑ 67↓ 69
6M
10:05/mi
59:33
↑ 1231.1%
8M
11:26/mi
1:22:25
↑ 166↓ 531.1%
9.6M
8:07/mi
1:35:25
↑ 68↓ 1931.5%
10M
19:26/mi
1:43:11
↓ 241.1%
10.5M
5:04/mi
1:45:43
↓ 732.7%
12M
14:33/mi
2:07:33
↑ 2803.2%
Finish· 13.11 mi
10:07/mi
2:18:46
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time59:33
Pace9:56 /mi
2nd Half
Distance7.11 mi
Time1:19:13
Pace11:09 /mi
📊Positive Split: 33.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:59:2119:139:3619:13
9:36
-
4M
4.00 mi07:19:3139:239:5120:10
10:05
+0:29
6M
6.00 mi07:39:4159:339:5620:10
10:05
0:00
8M
8.00 mi08:02:331:22:2510:1822:52
11:26
+1:21
9.6M
9.60 mi08:15:331:35:259:5613:00
8:07
-3:19
10M
10.00 mi08:23:191:43:1110:197:46
19:26
+11:19
10.5M
10.50 mi08:25:511:45:4310:042:32
5:04
-14:22
12M
12.00 mi08:47:412:07:3310:3821:50
14:33
+9:29
Finish
13.11 mi08:58:542:18:4610:3511:13
10:07
-4:26

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

5:04 /mi

Average Pace

10:35 /mi

Slowest Pace

19:26 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

15:32

11% of race

Time at Steady Pace

1:33:38

67% of race

Time at Slower Pace

29:36

21% of race

Average Pace: 10:35 /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 mi06:59:2119:139:3619:13
9:36
#2433
4M
4.00 mi07:19:3139:239:5120:10
10:05
#2622
6M
6.00 mi07:39:4159:339:5620:10
10:05
#2656
8M
8.00 mi08:02:331:22:2510:1822:52
11:26
#3038
9.6M
9.60 mi08:15:331:35:259:5613:00
8:07
#2767
10M
10.00 mi08:23:191:43:1110:197:46
19:26
#2771
10.5M
10.50 mi08:25:511:45:4310:042:32
5:04
#2778
12M
12.00 mi08:47:412:07:3310:3821:50
14:33
#2839
Finish
13.11 mi08:58:542:18:4610:3511:13
10:07
#2820
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 48%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:18

Segment Time

11:27/mi

Pace

0.90 mi

Distance

Overall

3129

Women

1046

Division

235

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi2.00 mi24336981563199(Top 49%)1114(Top 38%)245(Top 38%)
4M4.00 mi2.00 mi2622-189789-91174-182922(Top 44%)907(Top 31%)204(Top 31%)
6M6.00 mi2.00 mi2656-34794-5177-32787(Top 42%)833(Top 28%)181(Top 28%)
8M8.00 mi2.00 mi3038-382930-136212-353999(Top 61%)1394(Top 48%)328(Top 50%)
9.6M9.60 mi1.60 mi2767+271847+83187+251662(Top 25%)550(Top 19%)112(Top 17%)
10M10.00 mi0.40 mi2771-4853-6188-13181(Top 48%)1080(Top 37%)239(Top 37%)
10.5M10.50 mi0.50 mi2778-7855-2189-13303(Top 50%)1124(Top 38%)245(Top 38%)
12M12.00 mi1.50 mi2839-61891-36198-93199(Top 49%)1114(Top 38%)245(Top 38%)
Finish13.11 mi1.11 mi2820+19882+91982997(Top 46%)1018(Top 35%)226(Top 35%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 49%
~flat
+5ft-3ft

Overall

3199

Females

1114

F30-34

247

2M→4M

2.0 - 4.0 mi

Top 44%
×4story building
+67ft-69ft

Overall

2922

Females

907

F30-34

207

4M→6M

4.0 - 6.0 mi

Top 42%
×9story building
+123ft-9ft

Overall

2787

Females

833

F30-34

183

6M→8M

6.0 - 8.0 mi

Top 61%
×12story building
+166ft-53ft

Overall

3999

Females

1394

F30-34

330

8M→9.6M

8.0 - 9.6 mi

Top 25%
×13story building
+68ft-193ft

Overall

1662

Females

550

F30-34

113

9.6M→10M

9.6 - 10.0 mi

Top 48%
×2story building
+0ft-24ft

Overall

3181

Females

1080

F30-34

241

10M→10.5M

10.0 - 10.5 mi

Top 50%
×6story building
+1ft-73ft

Overall

3303

Females

1124

F30-34

247

10.5M→12M

10.5 - 12.0 mi

Top 49%
×21story building
+280ft-26ft

Overall

3199

Females

1114

F30-34

247

12M→Finish

12.0 - 13.1 mi

Top 46%
×7story building
+14ft-89ft

Overall

2997

Females

1018

F30-34

226

Passing Analysis

Category:
Athletes Passed
633*
Passed By
1020
Net Change
-387
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2433
2M → 4M69258-189#2433#2622
4M → 6M75109-34#2622#2656
6M → 8M26*408-382#2656#3038
8M → 9.6M30332+271#3038#2767
9.6M → 10M3842-4#2767#2771
10M → 10.5M512-7#2771#2778
10.5M → 12M62123-61#2778#2839
12M → Finish55*36+19#2839#2820
TOTALS633*1020-387

* 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