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SF MARATHON 1ST HALF 2026

Eunice Lai

Bib: 20048•F•Age: 21

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Top 38%
F20-29
#0 / 353
Top 42%
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
9:58/mi
19:56
→ flat
4M
10:33/mi
41:01
↑ 67↓ 69
6M
10:50/mi
1:02:42
↑ 1231.1%
8M
12:19/mi
1:27:21
↑ 166↓ 531.1%
9.6M
8:01/mi
1:40:10
↑ 68↓ 1931.5%
10M
18:44/mi
1:47:39
↓ 241.1%
10.5M
5:08/mi
1:50:13
↓ 732.7%
12M
15:01/mi
2:12:45
↑ 2803.2%
Finish· 13.11 mi
10:10/mi
2:24:02
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:02:42
Pace10:27 /mi
2nd Half
Distance7.11 mi
Time1:21:20
Pace11:26 /mi
📊Positive Split: 29.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:10:2319:569:5819:56
9:58
-
4M
4.00 mi07:31:2841:0110:1521:05
10:33
+0:35
6M
6.00 mi07:53:091:02:4210:2721:41
10:50
+0:17
8M
8.00 mi08:17:481:27:2110:5524:39
12:19
+1:29
9.6M
9.60 mi08:30:371:40:1010:2612:49
8:01
-4:18
10M
10.00 mi08:38:061:47:3910:467:29
18:44
+10:43
10.5M
10.50 mi08:40:401:50:1310:302:34
5:08
-13:36
12M
12.00 mi09:03:122:12:4511:0422:32
15:01
+9:53
Finish
13.11 mi09:14:292:24:0210:5911:17
10:10
-4:51

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

5:08 /mi

Average Pace

10:59 /mi

Slowest Pace

18:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

15:23

11% of race

Time at Steady Pace

1:38:38

68% of race

Time at Slower Pace

30:01

21% of race

Average Pace: 10:59 /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 mi07:10:2319:569:5819:56
9:58
#2990
4M
4.00 mi07:31:2841:0110:1521:05
10:33
#3299
6M
6.00 mi07:53:091:02:4210:2721:41
10:50
#3418
8M
8.00 mi08:17:481:27:2110:5524:39
12:19
#3852
9.6M
9.60 mi08:30:371:40:1010:2612:49
8:01
#3414
10M
10.00 mi08:38:061:47:3910:467:29
18:44
#3344
10.5M
10.50 mi08:40:401:50:1310:302:34
5:08
#3337
12M
12.00 mi09:03:122:12:4511:0422:32
15:01
#3362
Finish
13.11 mi09:14:292:24:0210:5911:17
10:10
#3323
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 44%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:03

Segment Time

11:10/mi

Pace

0.90 mi

Distance

Overall

2889

Women

942

Division

132

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
2M2.00 mi2.00 mi29909421223564(Top 54%)1300(Top 44%)178(Top 50%)
4M4.00 mi2.00 mi3299-3091084-142144-223613(Top 55%)1222(Top 42%)162(Top 46%)
6M6.00 mi2.00 mi3418-1191135-51149-53704(Top 56%)1265(Top 43%)174(Top 49%)
8M8.00 mi2.00 mi3852-4341325-190169-204884(Top 74%)1845(Top 63%)236(Top 67%)
9.6M9.60 mi1.60 mi3414+4381127+198151+181555(Top 24%)516(Top 18%)71(Top 20%)
10M10.00 mi0.40 mi3344+701097+30148+32835(Top 43%)932(Top 32%)127(Top 36%)
10.5M10.50 mi0.50 mi3337+71095+21483509(Top 53%)1213(Top 41%)166(Top 47%)
12M12.00 mi1.50 mi3362-251122-27150-23564(Top 54%)1300(Top 44%)178(Top 50%)
Finish13.11 mi1.11 mi3323+391106+16147+33085(Top 47%)1062(Top 36%)145(Top 41%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 54%
~flat
+5ft-3ft

Overall

3564

Females

1300

F20-24

178

2M→4M

2.0 - 4.0 mi

Top 55%
×4story building
+67ft-69ft

Overall

3613

Females

1222

F20-24

163

4M→6M

4.0 - 6.0 mi

Top 56%
×9story building
+123ft-9ft

Overall

3704

Females

1265

F20-24

175

6M→8M

6.0 - 8.0 mi

Top 74%
×12story building
+166ft-53ft

Overall

4884

Females

1845

F20-24

236

8M→9.6M

8.0 - 9.6 mi

Top 24%
×13story building
+68ft-193ft

Overall

1555

Females

516

F20-24

71

9.6M→10M

9.6 - 10.0 mi

Top 43%
×2story building
+0ft-24ft

Overall

2835

Females

932

F20-24

127

10M→10.5M

10.0 - 10.5 mi

Top 53%
×6story building
+1ft-73ft

Overall

3509

Females

1213

F20-24

166

10.5M→12M

10.5 - 12.0 mi

Top 54%
×21story building
+280ft-26ft

Overall

3564

Females

1300

F20-24

178

12M→Finish

12.0 - 13.1 mi

Top 47%
×7story building
+14ft-89ft

Overall

3085

Females

1062

F20-24

145

Passing Analysis

Category:
Athletes Passed
819*
Passed By
1152
Net Change
-333
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2990
2M → 4M67376-309#2990#3299
4M → 6M76195-119#3299#3418
6M → 8M10*444-434#3418#3852
8M → 9.6M4424+438#3852#3414
9.6M → 10M777+70#3414#3344
10M → 10.5M125+7#3344#3337
10.5M → 12M7297-25#3337#3362
12M → Finish63*24+39#3362#3323
TOTALS819*1152-333

* 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