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SF MARATHON 2ND HALF 2026

Shun Naito

Bib: 23089•M•Age: 15

San Mateo, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Gender (Male)
#0 / 2065
M19 & Under
#0 / 55
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
9–292 ft
≈
×24story building
•▲ 548 ft climb · ▼ 587 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
8:36/mi
17:13
↑ 138↓ 680.7%
4M
9:57/mi
37:06
↑ 1631.4%
6M
11:42/mi
1:00:31
↑ 55↓ 830.3%
8M
7:13/mi
1:14:58
↑ 65↓ 1510.8%
10M
10:10/mi
1:35:17
↑ 61↓ 1741.1%
12M
13:58/mi
2:03:14
↑ 41↓ 530.1%
Finish· 13.11 mi
11:43/mi
2:16:14
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:00:31
Pace10:05 /mi
2nd Half
Distance7.11 mi
Time1:15:43
Pace10:39 /mi
📊Positive Split: 25.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:51:2517:138:3617:13
8:36
-
4M
4.00 mi09:11:1837:069:1719:53
9:57
+1:21
6M
6.00 mi09:34:431:00:3110:0523:25
11:42
+1:45
8M
8.00 mi09:49:101:14:589:2214:27
7:13
-4:29
10M
10.00 mi10:09:291:35:179:3220:19
10:10
+2:57
12M
12.00 mi10:37:262:03:1410:1627:57
13:58
+3:48
Finish
13.11 mi10:50:262:16:1410:2413:00
11:43
-2:15

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

7:13 /mi

Average Pace

10:24 /mi

Slowest Pace

13:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

31:40

23% of race

Time at Steady Pace

40:12

30% of race

Time at Slower Pace

1:04:22

47% of race

Average Pace: 10:23 /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 mi08:51:2517:138:3617:13
8:36
#875
4M
4.00 mi09:11:1837:069:1719:53
9:57
#1614
6M
6.00 mi09:34:431:00:3110:0523:25
11:42
#1647
8M
8.00 mi09:49:101:14:589:2214:27
7:13
#1624
10M
10.00 mi10:09:291:35:179:3220:19
10:10
#1638
12M
12.00 mi10:37:262:03:1410:1627:57
13:58
#1997
Finish
13.11 mi10:50:262:16:1410:2413:00
11:43
#2042
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM19 & UnderSeg. OverallSeg. MalesSeg. M19 & Under
2M2.00 mi2.00 mi875654203195(Top 83%)1796(Top 87%)49(Top 89%)
4M4.00 mi2.00 mi1614-7391098-44433-132292(Top 60%)1426(Top 69%)40(Top 73%)
6M6.00 mi2.00 mi1647-331122-2434-11688(Top 44%)1137(Top 55%)34(Top 62%)
8M8.00 mi2.00 mi1624+231101+2132+21551(Top 40%)1051(Top 51%)34(Top 62%)
10M10.00 mi2.00 mi1638-141106-5321718(Top 45%)1137(Top 55%)36(Top 65%)
12M12.00 mi2.00 mi1997-3591288-18240-83195(Top 83%)1796(Top 87%)49(Top 89%)
Finish13.11 mi1.11 mi2042-451312-24402545(Top 66%)1491(Top 72%)44(Top 80%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 83%
×9story building
+138ft-68ft

Overall

3195

Males

1796

M15-19

46

2M→4M

2.0 - 4.0 mi

Top 60%
×13story building
+163ft-19ft

Overall

2292

Males

1426

M15-19

38

4M→6M

4.0 - 6.0 mi

Top 44%
×4story building
+55ft-83ft

Overall

1688

Males

1137

M15-19

32

6M→8M

6.0 - 8.0 mi

Top 40%
×10story building
+65ft-151ft

Overall

1551

Males

1051

M15-19

32

8M→10M

8.0 - 10.0 mi

Top 45%
×10story building
+61ft-174ft

Overall

1718

Males

1137

M15-19

34

10M→12M

10.0 - 12.0 mi

Top 83%
×3story building
+41ft-53ft

Overall

3195

Males

1796

M15-19

46

12M→Finish

12.0 - 13.1 mi

Top 66%
×1human
+6ft-6ft

Overall

2545

Males

1491

M15-19

41

Passing Analysis

Category:
Athletes Passed
124*
Passed By
1291
Net Change
-1167
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#875
2M → 4M1740-739#875#1614
4M → 6M3770-33#1614#1647
6M → 8M4623+23#1647#1624
8M → 10M29*43-14#1624#1638
10M → 12M1360-359#1638#1997
12M → Finish10*55-45#1997#2042
TOTALS124*1291-1167

* 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