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SF MARATHON 1ST HALF 2026

Esther Choi

Bib: 14230•F•Age: 35

San Mateo, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Division (F35-39)
#0 / 388
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
11:12/mi
22:24
→ flat
4M
12:49/mi
48:02
↑ 67↓ 69
6M
14:16/mi
1:16:35
↑ 1231.1%
8M
13:35/mi
1:43:45
↑ 166↓ 531.1%
9.6M
13:35/mi
2:05:29
↑ 68↓ 1931.5%
10M
21:46/mi
2:14:11
↓ 241.1%
10.5M
5:16/mi
2:16:49
↓ 732.7%
12M
18:45/mi
2:44:57
↑ 2803.2%
Finish· 13.11 mi
14:50/mi
3:01:24
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:16:35
Pace12:46 /mi
2nd Half
Distance7.11 mi
Time1:44:49
Pace14:45 /mi
📊Positive Split: 36.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:03:2422:2411:1222:24
11:12
-
4M
4.00 mi07:29:0248:0212:0125:38
12:49
+1:37
6M
6.00 mi07:57:351:16:3512:4628:33
14:16
+1:27
8M
8.00 mi08:24:451:43:4512:5827:10
13:35
-0:41
9.6M
9.60 mi08:46:292:05:2913:0421:44
13:35
0:00
10M
10.00 mi08:55:112:14:1113:258:42
21:46
+8:11
10.5M
10.50 mi08:57:492:16:4913:022:38
5:16
-16:30
12M
12.00 mi09:25:572:44:5713:4528:08
18:45
+13:29
Finish
13.11 mi09:42:243:01:2413:5016:27
14:50
-3:55

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

5:16 /mi

Average Pace

13:50 /mi

Slowest Pace

21:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

25:02

14% of race

Time at Steady Pace

1:59:32

66% of race

Time at Slower Pace

36:50

20% of race

Average Pace: 13:50 /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 mi07:03:2422:2411:1222:24
11:12
#5041
4M
4.00 mi07:29:0248:0212:0125:38
12:49
#5687
6M
6.00 mi07:57:351:16:3512:4628:33
14:16
#6067
8M
8.00 mi08:24:451:43:4512:5827:10
13:35
#6029
9.6M
9.60 mi08:46:292:05:2913:0421:44
13:35
#6181
10M
10.00 mi08:55:112:14:1113:258:42
21:46
#6105
10.5M
10.50 mi08:57:492:16:4913:022:38
5:16
#6082
12M
12.00 mi09:25:572:44:5713:4528:08
18:45
#6056
Finish
13.11 mi09:42:243:01:2413:5016:27
14:50
#6089
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 65%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:20

Segment Time

12:36/mi

Pace

0.90 mi

Distance

Overall

4257

Women

1621

Division

196

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
2M2.00 mi2.00 mi504119782455780(Top 88%)2492(Top 85%)329(Top 85%)
4M4.00 mi2.00 mi5687-6462347-369294-496023(Top 92%)2575(Top 88%)328(Top 85%)
6M6.00 mi2.00 mi6067-3802573-226327-336320(Top 96%)2750(Top 94%)357(Top 92%)
8M8.00 mi2.00 mi6029+382547+26322+55778(Top 88%)2401(Top 82%)305(Top 79%)
9.6M9.60 mi1.60 mi6181-1522654-107346-246410(Top 97%)2833(Top 97%)370(Top 95%)
10M10.00 mi0.40 mi6105+762613+41337+94453(Top 68%)1735(Top 59%)207(Top 53%)
10.5M10.50 mi0.50 mi6082+232600+133373862(Top 59%)1382(Top 47%)182(Top 47%)
12M12.00 mi1.50 mi6056+262589+11336+15780(Top 88%)2492(Top 85%)329(Top 85%)
Finish13.11 mi1.11 mi6089-332613-24342-66159(Top 94%)2708(Top 92%)359(Top 93%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 88%
~flat
+5ft-3ft

Overall

5780

Females

2492

F35-39

329

2M→4M

2.0 - 4.0 mi

Top 92%
×4story building
+67ft-69ft

Overall

6023

Females

2575

F35-39

329

4M→6M

4.0 - 6.0 mi

Top 96%
×9story building
+123ft-9ft

Overall

6320

Females

2750

F35-39

357

6M→8M

6.0 - 8.0 mi

Top 88%
×12story building
+166ft-53ft

Overall

5778

Females

2401

F35-39

305

8M→9.6M

8.0 - 9.6 mi

Top 97%
×13story building
+68ft-193ft

Overall

6410

Females

2833

F35-39

370

9.6M→10M

9.6 - 10.0 mi

Top 68%
×2story building
+0ft-24ft

Overall

4453

Females

1735

F35-39

207

10M→10.5M

10.0 - 10.5 mi

Top 59%
×6story building
+1ft-73ft

Overall

3862

Females

1382

F35-39

182

10.5M→12M

10.5 - 12.0 mi

Top 88%
×21story building
+280ft-26ft

Overall

5780

Females

2492

F35-39

329

12M→Finish

12.0 - 13.1 mi

Top 94%
×7story building
+14ft-89ft

Overall

6159

Females

2708

F35-39

359

Passing Analysis

Category:
Athletes Passed
339*
Passed By
1387
Net Change
-1048
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5041
2M → 4M11657-646#5041#5687
4M → 6M26*406-380#5687#6067
6M → 8M98*60+38#6067#6029
8M → 9.6M10162-152#6029#6181
9.6M → 10M859+76#6181#6105
10M → 10.5M230+23#6105#6082
10.5M → 12M60*34+26#6082#6056
12M → Finish26*59-33#6056#6089
TOTALS339*1387-1048

* 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