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SF MARATHON 2ND HALF 2026

Isaac Tan

Bib: 23859•M•Age: 31

San Jose, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Top 29%
Gender (Male)
#0 / 2065
Top 39%
Division (M30-34)
#0 / 453
Top 39%
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
8:22/mi
16:45
↑ 138↓ 680.7%
4M
8:17/mi
33:18
↑ 1631.4%
6M
10:24/mi
54:07
↑ 55↓ 830.3%
8M
6:41/mi
1:07:29
↑ 65↓ 1510.8%
10M
9:36/mi
1:26:40
↑ 61↓ 1741.1%
12M
10:29/mi
1:47:39
↑ 41↓ 530.1%
Finish· 13.11 mi
10:00/mi
1:58:45
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time54:07
Pace9:01 /mi
2nd Half
Distance7.11 mi
Time1:04:38
Pace9:05 /mi
📊Positive Split: 19.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:10:0316:458:2216:45
8:22
-
4M
4.00 mi09:26:3633:188:2016:33
8:17
-0:05
6M
6.00 mi09:47:2554:079:0120:49
10:24
+2:07
8M
8.00 mi10:00:471:07:298:2613:22
6:41
-3:43
10M
10.00 mi10:19:581:26:408:4019:11
9:36
+2:55
12M
12.00 mi10:40:571:47:398:5820:59
10:29
+0:53
Finish
13.11 mi10:52:031:58:459:0411:06
10:00
-0:29

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

6:41 /mi

Average Pace

9:04 /mi

Slowest Pace

10:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

46:40

39% of race

Time at Steady Pace

30:17

26% of race

Time at Slower Pace

41:48

35% of race

Average Pace: 9:03 /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 mi09:10:0316:458:2216:45
8:22
#668
4M
4.00 mi09:26:3633:188:2016:33
8:17
#848
6M
6.00 mi09:47:2554:079:0120:49
10:24
#829
8M
8.00 mi10:00:471:07:298:2613:22
6:41
#856
10M
10.00 mi10:19:581:26:408:4019:11
9:36
#950
12M
12.00 mi10:40:571:47:398:5820:59
10:29
#1081
Finish
13.11 mi10:52:031:58:459:0411:06
10:00
#1129
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2M2.00 mi2.00 mi6685161161628(Top 42%)1068(Top 52%)234(Top 52%)
4M4.00 mi2.00 mi848-180630-114142-261015(Top 26%)729(Top 35%)160(Top 35%)
6M6.00 mi2.00 mi829+19616+14143-1821(Top 21%)620(Top 30%)143(Top 32%)
8M8.00 mi2.00 mi856-27635-191431009(Top 26%)730(Top 35%)165(Top 36%)
10M10.00 mi2.00 mi950-94688-53154-111344(Top 35%)922(Top 45%)203(Top 45%)
12M12.00 mi2.00 mi1081-131770-82169-151628(Top 42%)1068(Top 52%)234(Top 52%)
Finish13.11 mi1.11 mi1129-48802-32175-61572(Top 41%)1028(Top 50%)225(Top 50%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 42%
×9story building
+138ft-68ft

Overall

1628

Males

1068

M30-34

234

2M→4M

2.0 - 4.0 mi

Top 26%
×13story building
+163ft-19ft

Overall

1015

Males

729

M30-34

160

4M→6M

4.0 - 6.0 mi

Top 21%
×4story building
+55ft-83ft

Overall

821

Males

620

M30-34

143

6M→8M

6.0 - 8.0 mi

Top 26%
×10story building
+65ft-151ft

Overall

1009

Males

730

M30-34

165

8M→10M

8.0 - 10.0 mi

Top 35%
×10story building
+61ft-174ft

Overall

1344

Males

922

M30-34

203

10M→12M

10.0 - 12.0 mi

Top 42%
×3story building
+41ft-53ft

Overall

1628

Males

1068

M30-34

234

12M→Finish

12.0 - 13.1 mi

Top 41%
×1human
+6ft-6ft

Overall

1572

Males

1028

M30-34

225

Passing Analysis

Category:
Athletes Passed
70*
Passed By
531
Net Change
-461
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#668
2M → 4M7187-180#668#848
4M → 6M3920+19#848#829
6M → 8M1037-27#829#856
8M → 10M3*97-94#856#950
10M → 12M6137-131#950#1081
12M → Finish553-48#1081#1129
TOTALS70*531-461

* 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