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SF MARATHON 1ST HALF 2026

Lawrence Chiu

Bib: 13638•M•Age: 42

San Rafael, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Top 2%
Gender (Male)
#0 / 3619
Top 4%
Masters (Masters Men)
#0 / 1030
Top 2%
Division (M40-44)
#0 / 319
Top 3%
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
7:11/mi
14:22
→ flat
4M
7:17/mi
28:56
↑ 67↓ 69
6M
7:19/mi
43:34
↑ 1231.1%
8M
6:59/mi
57:32
↑ 166↓ 531.1%
9.6M
6:59/mi
1:08:43
↑ 68↓ 1931.5%
10M
13:21/mi
1:14:03
↓ 241.1%
10.5M
3:50/mi
1:15:58
↓ 732.7%
12M
10:20/mi
1:31:28
↑ 2803.2%
Finish· 13.11 mi
7:45/mi
1:40:04
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time43:34
Pace7:16 /mi
2nd Half
Distance7.11 mi
Time56:30
Pace7:57 /mi
📊Positive Split: 29.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:49:3314:227:1114:22
7:11
-
4M
4.00 mi07:04:0728:567:1414:34
7:17
+0:06
6M
6.00 mi07:18:4543:347:1614:38
7:19
+0:02
8M
8.00 mi07:32:4357:327:1213:58
6:59
-0:20
9.6M
9.60 mi07:43:541:08:437:0911:11
6:59
0:00
10M
10.00 mi07:49:141:14:037:245:20
13:21
+6:22
10.5M
10.50 mi07:51:091:15:587:141:55
3:50
-9:31
12M
12.00 mi08:06:391:31:287:3715:30
10:20
+6:30
Finish
13.11 mi08:15:151:40:047:388:36
7:45
-2:35

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

3:50 /mi

Average Pace

7:38 /mi

Slowest Pace

13:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55

2% of race

Time at Steady Pace

1:17:19

77% of race

Time at Slower Pace

20:50

21% of race

Average Pace: 7:38 /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 mi06:49:3314:227:1114:22
7:11
#151
4M
4.00 mi07:04:0728:567:1414:34
7:17
#140
6M
6.00 mi07:18:4543:347:1614:38
7:19
#138
8M
8.00 mi07:32:4357:327:1213:58
6:59
#123
9.6M
9.60 mi07:43:541:08:437:0911:11
6:59
#135
10M
10.00 mi07:49:141:14:037:245:20
13:21
#133
10.5M
10.50 mi07:51:091:15:587:141:55
3:50
#135
12M
12.00 mi08:06:391:31:287:3715:30
10:20
#158
Finish
13.11 mi08:15:151:40:047:388:36
7:45
#146
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 3%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

7:15

Segment Time

8:03/mi

Pace

0.90 mi

Distance

Overall

207

Men

188

Division

13

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
2M2.00 mi2.00 mi15113911326(Top 5%)270(Top 7%)18(Top 6%)
4M4.00 mi2.00 mi140+11130+910+1140(Top 2%)130(Top 4%)10(Top 3%)
6M6.00 mi2.00 mi138+2128+210148(Top 2%)137(Top 4%)11(Top 3%)
8M8.00 mi2.00 mi123+15118+1010100(Top 2%)93(Top 3%)8(Top 3%)
9.6M9.60 mi1.60 mi135-12128-1011-1660(Top 10%)492(Top 14%)31(Top 10%)
10M10.00 mi0.40 mi133+2126+211235(Top 4%)192(Top 5%)15(Top 5%)
10.5M10.50 mi0.50 mi135-2127-111363(Top 6%)313(Top 9%)24(Top 8%)
12M12.00 mi1.50 mi158-23141-1411326(Top 5%)270(Top 7%)18(Top 6%)
Finish13.11 mi1.11 mi146+12137+411415(Top 6%)354(Top 10%)32(Top 10%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 5%
~flat
+5ft-3ft

Overall

326

Males

270

M40-44

18

2M→4M

2.0 - 4.0 mi

Top 2%
×4story building
+67ft-69ft

Overall

140

Males

130

M40-44

10

4M→6M

4.0 - 6.0 mi

Top 2%
×9story building
+123ft-9ft

Overall

148

Males

137

M40-44

11

6M→8M

6.0 - 8.0 mi

Top 2%
×12story building
+166ft-53ft

Overall

100

Males

93

M40-44

8

8M→9.6M

8.0 - 9.6 mi

Top 10%
×13story building
+68ft-193ft

Overall

660

Males

492

M40-44

31

9.6M→10M

9.6 - 10.0 mi

Top 4%
×2story building
+0ft-24ft

Overall

235

Males

192

M40-44

15

10M→10.5M

10.0 - 10.5 mi

Top 6%
×6story building
+1ft-73ft

Overall

363

Males

313

M40-44

24

10.5M→12M

10.5 - 12.0 mi

Top 5%
×21story building
+280ft-26ft

Overall

326

Males

270

M40-44

18

12M→Finish

12.0 - 13.1 mi

Top 6%
×7story building
+14ft-89ft

Overall

415

Males

354

M40-44

32

Passing Analysis

Category:
Athletes Passed
63*
Passed By
58
Net Change
+5
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#151
2M → 4M165+11#151#140
4M → 6M75+2#140#138
6M → 8M194+15#138#123
8M → 9.6M214-12#123#135
9.6M → 10M20+2#135#133
10M → 10.5M02-2#133#135
10.5M → 12M023-23#135#158
12M → Finish17*5+12#158#146
TOTALS63*58+5

* 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