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SF MARATHON 1ST HALF 2026

Brian Otsuki

Bib: 16574•M•Age: 54

San Mateo, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Masters (Masters Men)
#0 / 1030
Division (M50-54)
#0 / 196
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
11:07/mi
22:14
→ flat
4M
12:34/mi
47:21
↑ 67↓ 69
6M
13:35/mi
1:14:32
↑ 1231.1%
8M
16:55/mi
1:48:22
↑ 166↓ 531.1%
9.6M
16:55/mi
2:15:26
↑ 68↓ 1931.5%
10M
35:17/mi
2:29:32
↓ 241.1%
10.5M
10:32/mi
2:34:48
↓ 732.7%
12M
23:57/mi
3:10:44
↑ 2803.2%
Finish· 13.11 mi
16:35/mi
3:29:08
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:14:32
Pace12:25 /mi
2nd Half
Distance7.11 mi
Time2:14:36
Pace18:56 /mi
📊Positive Split: 80.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:03:4122:1411:0722:14
11:07
-
4M
4.00 mi07:28:4847:2111:5025:07
12:34
+1:27
6M
6.00 mi07:55:591:14:3212:2527:11
13:35
+1:01
8M
8.00 mi08:29:491:48:2213:3333:50
16:55
+3:20
9.6M
9.60 mi08:56:532:15:2614:0627:04
16:55
0:00
10M
10.00 mi09:10:592:29:3214:5714:06
35:17
+18:22
10.5M
10.50 mi09:16:152:34:4814:455:16
10:32
-24:45
12M
12.00 mi09:52:113:10:4415:5435:56
23:57
+13:25
Finish
13.11 mi10:10:353:29:0815:5718:24
16:35
-7:22

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

10:32 /mi

Average Pace

15:57 /mi

Slowest Pace

35:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

52:37

25% of race

Time at Steady Pace

1:46:29

51% of race

Time at Slower Pace

50:02

24% of race

Average Pace: 15:57 /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 mi07:03:4122:1411:0722:14
11:07
#4904
4M
4.00 mi07:28:4847:2111:5025:07
12:34
#5523
6M
6.00 mi07:55:591:14:3212:2527:11
13:35
#5841
8M
8.00 mi08:29:491:48:2213:3333:50
16:55
#6251
9.6M
9.60 mi08:56:532:15:2614:0627:04
16:55
#6443
10M
10.00 mi09:10:592:29:3214:5714:06
35:17
#6480
10.5M
10.50 mi09:16:152:34:4814:455:16
10:32
#6498
12M
12.00 mi09:52:113:10:4415:5435:56
23:57
#6527
Finish
13.11 mi10:10:353:29:0815:5718:24
16:35
#6517
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 99%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

19:22

Segment Time

21:31/mi

Pace

0.90 mi

Distance

Overall

6510

Men

3589

Division

191

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
2M2.00 mi2.00 mi490429951546527(Top 99%)3588(Top 99%)195(Top 99%)
4M4.00 mi2.00 mi5523-6193247-252167-135887(Top 90%)3378(Top 93%)176(Top 90%)
6M6.00 mi2.00 mi5841-3183383-136173-66141(Top 93%)3489(Top 96%)181(Top 92%)
8M8.00 mi2.00 mi6251-4103529-146186-136523(Top 99%)3601(Top 100%)194(Top 99%)
9.6M9.60 mi1.60 mi6443-1923581-52193-76582(Top 100%)3622(Top 100%)196(Top 100%)
10M10.00 mi0.40 mi6480-373593-121936558(Top 100%)3607(Top 100%)195(Top 99%)
10.5M10.50 mi0.50 mi6498-183601-81936567(Top 100%)3610(Top 100%)195(Top 99%)
12M12.00 mi1.50 mi6527-293603-2195-26527(Top 99%)3588(Top 99%)195(Top 99%)
Finish13.11 mi1.11 mi6517+103597+61956402(Top 97%)3531(Top 98%)188(Top 96%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 99%
~flat
+5ft-3ft

Overall

6527

Males

3588

M50-54

195

2M→4M

2.0 - 4.0 mi

Top 90%
×4story building
+67ft-69ft

Overall

5887

Males

3378

M50-54

176

4M→6M

4.0 - 6.0 mi

Top 93%
×9story building
+123ft-9ft

Overall

6141

Males

3489

M50-54

181

6M→8M

6.0 - 8.0 mi

Top 99%
×12story building
+166ft-53ft

Overall

6523

Males

3601

M50-54

195

8M→9.6M

8.0 - 9.6 mi

Top 100%
×13story building
+68ft-193ft

Overall

6582

Males

3622

M50-54

196

9.6M→10M

9.6 - 10.0 mi

Top 100%
×2story building
+0ft-24ft

Overall

6558

Males

3607

M50-54

195

10M→10.5M

10.0 - 10.5 mi

Top 100%
×6story building
+1ft-73ft

Overall

6567

Males

3610

M50-54

195

10.5M→12M

10.5 - 12.0 mi

Top 99%
×21story building
+280ft-26ft

Overall

6527

Males

3588

M50-54

195

12M→Finish

12.0 - 13.1 mi

Top 97%
×7story building
+14ft-89ft

Overall

6402

Males

3531

M50-54

188

Passing Analysis

Category:
Athletes Passed
101*
Passed By
1714
Net Change
-1613
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4904
2M → 4M23642-619#4904#5523
4M → 6M39*357-318#5523#5841
6M → 8M7*417-410#5841#6251
8M → 9.6M2*194-192#6251#6443
9.6M → 10M239-37#6443#6480
10M → 10.5M018-18#6480#6498
10.5M → 12M7*36-29#6498#6527
12M → Finish21*11+10#6527#6517
TOTALS101*1714-1613

* 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