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SF MARATHON 1ST HALF 2026

Brian Cheng

Bib: 16291•M•Age: 35

San lorenzo, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 49%
Gender (Male)
#0 / 3619
Division (M35-39)
#0 / 582
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
11:03/mi
22:07
→ flat
4M
10:52/mi
43:51
↑ 67↓ 69
6M
10:26/mi
1:04:44
↑ 1231.1%
8M
11:08/mi
1:27:01
↑ 166↓ 531.1%
9.6M
7:47/mi
1:39:29
↑ 68↓ 1931.5%
10M
17:54/mi
1:46:38
↓ 241.1%
10.5M
5:08/mi
1:49:12
↓ 732.7%
12M
14:28/mi
2:10:54
↑ 2803.2%
Finish· 13.11 mi
11:03/mi
2:23:09
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:04:44
Pace10:47 /mi
2nd Half
Distance7.11 mi
Time1:18:25
Pace11:02 /mi
📊Positive Split: 21.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:03:2122:0711:0322:07
11:03
-
4M
4.00 mi07:25:0543:5110:5821:44
10:52
-0:11
6M
6.00 mi07:45:581:04:4410:4720:53
10:26
-0:26
8M
8.00 mi08:08:151:27:0110:5322:17
11:08
+0:42
9.6M
9.60 mi08:20:431:39:2910:2212:28
7:47
-3:21
10M
10.00 mi08:27:521:46:3810:407:09
17:54
+10:07
10.5M
10.50 mi08:30:261:49:1210:242:34
5:08
-12:46
12M
12.00 mi08:52:082:10:5410:5521:42
14:28
+9:20
Finish
13.11 mi09:04:232:23:0910:5512:15
11:03
-3:25

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

10:55 /mi

Slowest Pace

17:54 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

15:02

11% of race

Time at Steady Pace

1:39:16

69% of race

Time at Slower Pace

28:51

20% of race

Average Pace: 10:55 /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 mi07:03:2122:0711:0322:07
11:03
#4793
4M
4.00 mi07:25:0543:5110:5821:44
10:52
#4345
6M
6.00 mi07:45:581:04:4410:4720:53
10:26
#3906
8M
8.00 mi08:08:151:27:0110:5322:17
11:08
#3802
9.6M
9.60 mi08:20:431:39:2910:2212:28
7:47
#3326
10M
10.00 mi08:27:521:46:3810:407:09
17:54
#3215
10.5M
10.50 mi08:30:261:49:1210:242:34
5:08
#3216
12M
12.00 mi08:52:082:10:5410:5521:42
14:28
#3180
Finish
13.11 mi09:04:232:23:0910:5512:15
11:03
#3248
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 38%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:43

Segment Time

10:48/mi

Pace

0.90 mi

Distance

Overall

2498

Men

1737

Division

294

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi479329564813130(Top 48%)2034(Top 56%)345(Top 59%)
4M4.00 mi2.00 mi4345+4482748+208459+224042(Top 61%)2604(Top 72%)440(Top 76%)
6M6.00 mi2.00 mi3906+4392539+209428+313215(Top 49%)2172(Top 60%)364(Top 63%)
8M8.00 mi2.00 mi3802+1042487+52421+73702(Top 56%)2424(Top 67%)407(Top 70%)
9.6M9.60 mi1.60 mi3326+4762233+254376+451332(Top 20%)883(Top 24%)146(Top 25%)
10M10.00 mi0.40 mi3215+1112164+69368+82326(Top 35%)1629(Top 45%)273(Top 47%)
10.5M10.50 mi0.50 mi3216-12163+13683505(Top 53%)2284(Top 63%)380(Top 65%)
12M12.00 mi1.50 mi3180+362135+28360+83130(Top 48%)2034(Top 56%)345(Top 59%)
Finish13.11 mi1.11 mi3248-682170-35364-44060(Top 62%)2512(Top 69%)418(Top 72%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 48%
~flat
+5ft-3ft

Overall

3130

Males

2034

M35-39

345

2M→4M

2.0 - 4.0 mi

Top 61%
×4story building
+67ft-69ft

Overall

4042

Males

2604

M35-39

440

4M→6M

4.0 - 6.0 mi

Top 49%
×9story building
+123ft-9ft

Overall

3215

Males

2172

M35-39

364

6M→8M

6.0 - 8.0 mi

Top 56%
×12story building
+166ft-53ft

Overall

3702

Males

2424

M35-39

407

8M→9.6M

8.0 - 9.6 mi

Top 20%
×13story building
+68ft-193ft

Overall

1332

Males

883

M35-39

146

9.6M→10M

9.6 - 10.0 mi

Top 35%
×2story building
+0ft-24ft

Overall

2326

Males

1629

M35-39

273

10M→10.5M

10.0 - 10.5 mi

Top 53%
×6story building
+1ft-73ft

Overall

3505

Males

2284

M35-39

380

10.5M→12M

10.5 - 12.0 mi

Top 48%
×21story building
+280ft-26ft

Overall

3130

Males

2034

M35-39

345

12M→Finish

12.0 - 13.1 mi

Top 62%
×7story building
+14ft-89ft

Overall

4060

Males

2512

M35-39

418

Passing Analysis

Category:
Athletes Passed
1866*
Passed By
321
Net Change
+1545
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4793
2M → 4M48436+448#4793#4345
4M → 6M448*9+439#4345#3906
6M → 8M196*92+104#3906#3802
8M → 9.6M4793+476#3802#3326
9.6M → 10M1187+111#3326#3215
10M → 10.5M89-1#3215#3216
10.5M → 12M9963+36#3216#3180
12M → Finish34*102-68#3180#3248
TOTALS1866*321+1545

* 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