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SF MARATHON 1ST HALF 2026

Chak Lee

Pleasanton, CA

Bib: 18816 M 40

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Masters (Masters Men)
#0 / 1030
Division (M40-44)
#0 / 319
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
2M
11:47/mi
23:34
→ flat
12 ft elev
4M
12:50/mi
49:14
↑ 67↓ 69
10 ft elev
6M
12:41/mi
1:14:36
↑ 1231.1%
126 ft elev
8M
14:28/mi
1:43:33
↑ 166↓ 531.1%
246 ft elev
9.6M
10:12/mi
1:59:53
↑ 68↓ 1931.5%
126 ft elev
10M
27:19/mi
2:10:48
↓ 241.1%
90 ft elev
10.5M
6:16/mi
2:13:56
↓ 732.7%
18 ft elev
12M
21:51/mi
2:46:42
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
15:23/mi
3:03:46
↑ 14↓ 891.3%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:14:3612:26 /mi⚡ faster
2nd Half
1:49:1015:21 /mi+46.3%
Positive split — 46.3% slower in the second half
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:13:3023:3411:4723:34
11:47
-
4M
4.00 mi07:39:1049:1412:1925:40
12:50
+1:03
6M
6.00 mi08:04:321:14:3612:2625:22
12:41
-0:09
8M
8.00 mi08:33:291:43:3312:5728:57
14:28
+1:47
9.6M
9.60 mi08:49:491:59:5312:2916:20
10:12
-4:16
10M
10.00 mi09:00:442:10:4813:0510:55
27:19
+17:07
10.5M
10.50 mi09:03:522:13:5612:453:08
6:16
-21:03
12M
12.00 mi09:36:382:46:4213:5432:46
21:51
+15:35
Finish
13.11 mi09:53:423:03:4614:0117:04
15:23
-6:28

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

6:16 /mi

Average Pace

14:01 /mi

Slowest Pace

27:19 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08

2% of race

Time at Steady Pace

2:16:57

75% of race

Time at Slower Pace

43:41

24% of race

Average Pace: 14:01 /mi

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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 mi07:13:3023:3411:4723:34
11:47
#5686
4M
4.00 mi07:39:1049:1412:1925:40
12:50
#5939
6M
6.00 mi08:04:321:14:3612:2625:22
12:41
#5845
8M
8.00 mi08:33:291:43:3312:5728:57
14:28
#6006
9.6M
9.60 mi08:49:491:59:5312:2916:20
10:12
#5853
10M
10.00 mi09:00:442:10:4813:0510:55
27:19
#5918
10.5M
10.50 mi09:03:522:13:5612:453:08
6:16
#5909
12M
12.00 mi09:36:382:46:4213:5432:46
21:51
#6127
Finish
13.11 mi09:53:423:03:4614:0117:04
15:23
#6162
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 91%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

14:03

Segment Time

15:37/mi

Pace

0.90 mi

Distance

Overall

5966

Men

3354

Division

295

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
2M2.00 mi2.00 mi5686330828964073529311
4M4.00 mi2.00 mi5939-2533417-109295-660373431294
6M6.00 mi2.00 mi5845+943384+33293+256573302283
8M8.00 mi2.00 mi6006-1613451-67297-461273484300
9.6M9.60 mi1.60 mi5853+1533380+71290+742652553214
10M10.00 mi0.40 mi5918-653401-21292-260733397299
10.5M10.50 mi0.50 mi5909+93396+5291+156803255284
12M12.00 mi1.50 mi6127-2183474-78299-864073529311
Finish13.11 mi1.11 mi6162-353478-4301-262573471304

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 97%
~flat
+5ft-3ft

Overall

6407

Males

3529

M40-44

311

2M→4M

2.0 - 4.0 mi

Top 92%
×4story building
+67ft-69ft

Overall

6037

Males

3431

M40-44

294

4M→6M

4.0 - 6.0 mi

Top 86%
×9story building
+123ft-9ft

Overall

5657

Males

3302

M40-44

283

6M→8M

6.0 - 8.0 mi

Top 93%
×12story building
+166ft-53ft

Overall

6127

Males

3484

M40-44

300

8M→9.6M

8.0 - 9.6 mi

Top 65%
×13story building
+68ft-193ft

Overall

4265

Males

2553

M40-44

214

9.6M→10M

9.6 - 10.0 mi

Top 92%
×2story building
+0ft-24ft

Overall

6073

Males

3397

M40-44

299

10M→10.5M

10.0 - 10.5 mi

Top 86%
×6story building
+1ft-73ft

Overall

5680

Males

3255

M40-44

284

10.5M→12M

10.5 - 12.0 mi

Top 97%
×21story building
+280ft-26ft

Overall

6407

Males

3529

M40-44

311

12M→Finish

12.0 - 13.1 mi

Top 95%
×7story building
+14ft-89ft

Overall

6257

Males

3471

M40-44

304

Passing Analysis

Category:
Athletes Passed
458*
Passed By
934
Net Change
-476
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5686
2M → 4M45*298-253#5686#5939
4M → 6M145*51+94#5939#5845
6M → 8M36*197-161#5845#6006
8M → 9.6M18128+153#6006#5853
9.6M → 10M1277-65#5853#5918
10M → 10.5M134+9#5918#5909
10.5M → 12M6*224-218#5909#6127
12M → Finish20*55-35#6127#6162
TOTALS458*934-476

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Charts

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