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SF MARATHON 1ST HALF 2026

Shintaro Matsumoto

MOUNTAIN VIEW, CA

Bib: 20963 M 48

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Masters (Masters Men)
#0 / 1030
Division (M45-49)
#0 / 220
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
13:34/mi
27:08
→ flat
12 ft elev
4M
13:34/mi
54:15
↑ 67↓ 69
10 ft elev
6M
14:37/mi
1:23:30
↑ 1231.1%
126 ft elev
8M
14:16/mi
1:52:02
↑ 166↓ 531.1%
246 ft elev
9.6M
14:16/mi
2:14:52
↑ 68↓ 1931.5%
126 ft elev
10M
29:07/mi
2:26:30
↓ 241.1%
90 ft elev
10.5M
6:46/mi
2:29:53
↓ 732.7%
18 ft elev
12M
21:09/mi
3:01:36
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
15:30/mi
3:18:47
↑ 14↓ 891.3%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:23:30
Pace13:55 /mi
2nd Half
Distance7.11 mi
Time1:55:17
Pace16:13 /mi
📊Positive Split: 38.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:07:3027:0813:3427:08
13:34
-
4M
4.00 mi07:34:3754:1513:3427:07
13:34
0:00
6M
6.00 mi08:03:521:23:3013:5529:15
14:37
+1:03
8M
8.00 mi08:32:241:52:0214:0028:32
14:16
-0:21
9.6M
9.60 mi08:55:142:14:5214:0322:50
14:16
0:00
10M
10.00 mi09:06:522:26:3014:3911:38
29:07
+14:51
10.5M
10.50 mi09:10:152:29:5314:163:23
6:46
-22:21
12M
12.00 mi09:41:583:01:3615:0831:43
21:09
+14:23
Finish
13.11 mi09:59:093:18:4715:1017:11
15:30
-5:39

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

6:46 /mi

Average Pace

15:10 /mi

Slowest Pace

29:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:23

2% of race

Time at Steady Pace

2:32:03

76% of race

Time at Slower Pace

43:21

22% of race

Average Pace: 15:10 /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 mi07:07:3027:0813:3427:08
13:34
#6511
4M
4.00 mi07:34:3754:1513:3427:07
13:34
#6455
6M
6.00 mi08:03:521:23:3013:5529:15
14:37
#6428
8M
8.00 mi08:32:241:52:0214:0028:32
14:16
#6376
9.6M
9.60 mi08:55:142:14:5214:0322:50
14:16
#6432
10M
10.00 mi09:06:522:26:3014:3911:38
29:07
#6439
10.5M
10.50 mi09:10:152:29:5314:163:23
6:46
#6431
12M
12.00 mi09:41:583:01:3615:0831:43
21:09
#6428
Finish
13.11 mi09:59:093:18:4715:1017:11
15:30
#6405
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 95%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

15:01

Segment Time

16:41/mi

Pace

0.90 mi

Distance

Overall

6224

Men

3450

Division

202

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
2M2.00 mi2.00 mi6511360621563283492212
4M4.00 mi2.00 mi6455+563588+1821563093535206
6M6.00 mi2.00 mi6428+273579+9210+563843569208
8M8.00 mi2.00 mi6376+523567+1221060563463207
9.6M9.60 mi1.60 mi6432-563577-10213-365033591219
10M10.00 mi0.40 mi6439-73580-3214-163023485206
10.5M10.50 mi0.50 mi6431+83575+521460633405206
12M12.00 mi1.50 mi6428+33571+421463283492212
Finish13.11 mi1.11 mi6405+233556+1521462763479207

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 96%
~flat
+5ft-3ft

Overall

6328

Males

3492

M45-49

212

2M→4M

2.0 - 4.0 mi

Top 96%
×4story building
+67ft-69ft

Overall

6309

Males

3535

M45-49

206

4M→6M

4.0 - 6.0 mi

Top 97%
×9story building
+123ft-9ft

Overall

6384

Males

3569

M45-49

208

6M→8M

6.0 - 8.0 mi

Top 92%
×12story building
+166ft-53ft

Overall

6056

Males

3463

M45-49

207

8M→9.6M

8.0 - 9.6 mi

Top 99%
×13story building
+68ft-193ft

Overall

6503

Males

3591

M45-49

219

9.6M→10M

9.6 - 10.0 mi

Top 96%
×2story building
+0ft-24ft

Overall

6302

Males

3485

M45-49

206

10M→10.5M

10.0 - 10.5 mi

Top 92%
×6story building
+1ft-73ft

Overall

6063

Males

3405

M45-49

206

10.5M→12M

10.5 - 12.0 mi

Top 96%
×21story building
+280ft-26ft

Overall

6328

Males

3492

M45-49

212

12M→Finish

12.0 - 13.1 mi

Top 95%
×7story building
+14ft-89ft

Overall

6276

Males

3479

M45-49

207

Passing Analysis

Category:
Athletes Passed
259*
Passed By
153
Net Change
+106
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#6511
2M → 4M67*11+56#6511#6455
4M → 6M41*14+27#6455#6428
6M → 8M86*34+52#6428#6376
8M → 9.6M7*63-56#6376#6432
9.6M → 10M613-7#6432#6439
10M → 10.5M91+8#6439#6431
10.5M → 12M16*13+3#6431#6428
12M → Finish27*4+23#6428#6405
TOTALS259*153+106

* 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