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SF MARATHON 1ST HALF 2026

Kai Chen

SF, CA

Bib: 18742 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
12:25/mi
24:50
→ flat
12 ft elev
4M
12:53/mi
50:36
↑ 67↓ 69
10 ft elev
6M
12:24/mi
1:15:24
↑ 1231.1%
126 ft elev
8M
12:28/mi
1:40:21
↑ 166↓ 531.1%
246 ft elev
9.6M
12:28/mi
2:00:18
↑ 68↓ 1931.5%
126 ft elev
10M
23:27/mi
2:09:40
↓ 241.1%
90 ft elev
10.5M
6:10/mi
2:12:45
↓ 732.7%
18 ft elev
12M
17:02/mi
2:38:18
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
11:23/mi
2:50:56
↑ 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
1:15:2412:34 /mi⚡ faster
2nd Half
1:35:3213:26 /mi+26.7%
Positive split — 26.7% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
2M
24:5012:252.00 mi24:50
12:25
-
4M
50:3612:392.00 mi25:46
12:53
+0:28
6M
1:15:2412:342.00 mi24:48
12:24
-0:29
8M
1:40:2112:332.00 mi24:57
12:28
+0:04
9.6M
2:00:1812:321.60 mi19:57
12:28
0:00
10M
2:09:4012:580.40 mi9:22
23:27
+10:59
10.5M
2:12:4512:390.50 mi3:05
6:10
-17:17
12M
2:38:1813:121.50 mi25:33
17:02
+10:52
Finish(13.11 mi)
2:50:5613:021.11 mi12:38
11:23
-5:39
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

6:10 /mi

Average Pace

13:02 /mi

Slowest Pace

23:27 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:05

2% of race

Time at Steady Pace

2:12:56

78% of race

Time at Slower Pace

34:55

20% of race

Average Pace: 13:02 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower
Featured Segment

Garmin Challenge

Top 79%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:27

Segment Time

13:50/mi

Pace

0.90 mi

Distance

Overall

5192

Men

3042

Division

259

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
2M2.00 mi2.00 mi6195350230648752874239
4M4.00 mi2.00 mi6138+573481+21302+460593445297
6M6.00 mi2.00 mi5949+1893424+57299+354483225272
8M8.00 mi2.00 mi5733+2163349+75288+1150063067267
9.6M9.60 mi1.60 mi5883-1503389-40292-460753418300
10M10.00 mi0.40 mi5838+453368+21289+351533024253
10.5M10.50 mi0.50 mi5831+7336828955753209274
12M12.00 mi1.50 mi5722+1093321+47286+348752874239
Finish13.11 mi1.11 mi5613+1093263+58278+844392666223

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 74%
~flat
+5ft-3ft

Overall

4875

Males

2874

M40-44

239

2M→4M

2.0 - 4.0 mi

Top 92%
×4story building
+67ft-69ft

Overall

6059

Males

3445

M40-44

297

4M→6M

4.0 - 6.0 mi

Top 83%
×9story building
+123ft-9ft

Overall

5448

Males

3225

M40-44

272

6M→8M

6.0 - 8.0 mi

Top 76%
×12story building
+166ft-53ft

Overall

5006

Males

3067

M40-44

267

8M→9.6M

8.0 - 9.6 mi

Top 92%
×13story building
+68ft-193ft

Overall

6075

Males

3418

M40-44

300

9.6M→10M

9.6 - 10.0 mi

Top 78%
×2story building
+0ft-24ft

Overall

5153

Males

3024

M40-44

253

10M→10.5M

10.0 - 10.5 mi

Top 85%
×6story building
+1ft-73ft

Overall

5575

Males

3209

M40-44

274

10.5M→12M

10.5 - 12.0 mi

Top 74%
×21story building
+280ft-26ft

Overall

4875

Males

2874

M40-44

239

12M→Finish

12.0 - 13.1 mi

Top 68%
×7story building
+14ft-89ft

Overall

4439

Males

2666

M40-44

223

Passing Analysis

Category:
Athletes Passed
961*
Passed By
379
Net Change
+582
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#6195
2M → 4M123*66+57#6195#6138
4M → 6M211*22+189#6138#5949
6M → 8M243*27+216#5949#5733
8M → 9.6M35185-150#5733#5883
9.6M → 10M7328+45#5883#5838
10M → 10.5M1912+7#5838#5831
10.5M → 12M141*32+109#5831#5722
12M → Finish116*7+109#5722#5613
TOTALS961*379+582

* 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

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