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SF MARATHON 2ND HALF 2026

Israel Jonathan Velazquez Sanchez

Bib: 25954•M•Age: 31

SF, 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
9:42/mi
19:25
↑ 138↓ 680.7%
4M
9:43/mi
38:51
↑ 1631.4%
6M
11:24/mi
1:01:39
↑ 55↓ 830.3%
8M
6:47/mi
1:15:14
↑ 65↓ 1510.8%
10M
8:46/mi
1:32:45
↑ 61↓ 1741.1%
12M
8:40/mi
1:50:06
↑ 41↓ 530.1%
Finish· 13.11 mi
7:49/mi
1:58:46
→ flat

The Course

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Half Splits

1st Half· via 6M
Distance6.00 mi
Time1:01:39
Pace10:17 /mi
2nd Half✓ Faster
Distance7.11 mi
Time57:07
Pace8:02 /mi
📊Negative Split: 7.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:05:5619:259:4219:25
9:42
-
4M
4.00 mi09:25:2238:519:4319:26
9:43
+0:01
6M
6.00 mi09:48:101:01:3910:1722:48
11:24
+1:41
8M
8.00 mi10:01:451:15:149:2413:35
6:47
-4:37
10M
10.00 mi10:19:161:32:459:1717:31
8:46
+1:59
12M
12.00 mi10:36:371:50:069:1117:21
8:40
-0:06
Finish
13.11 mi10:45:171:58:469:048:40
7:49
-0:51

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

6:47 /mi

Average Pace

9:04 /mi

Slowest Pace

11:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

22:15

19% of race

Time at Steady Pace

34:52

29% of race

Time at Slower Pace

1:01:39

52% of race

Average Pace: 9:04 /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 mi09:05:5619:259:4219:25
9:42
#1762
4M
4.00 mi09:25:2238:519:4319:26
9:43
#1959
6M
6.00 mi09:48:101:01:3910:1722:48
11:24
#1768
8M
8.00 mi10:01:451:15:149:2413:35
6:47
#1648
10M
10.00 mi10:19:161:32:459:1717:31
8:46
#1442
12M
12.00 mi10:36:371:50:069:1117:21
8:40
#1243
Finish
13.11 mi10:45:171:58:469:048:40
7:49
#1130
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2M2.00 mi2.00 mi17621188273571(Top 15%)436(Top 21%)101(Top 22%)
4M4.00 mi2.00 mi1959-1971279-91290-172154(Top 56%)1364(Top 66%)309(Top 68%)
6M6.00 mi2.00 mi1768+1911180+99269+211475(Top 38%)1016(Top 49%)227(Top 50%)
8M8.00 mi2.00 mi1648+1201118+62252+171109(Top 29%)789(Top 38%)178(Top 39%)
10M10.00 mi2.00 mi1442+206994+124220+32790(Top 21%)593(Top 29%)136(Top 30%)
12M12.00 mi2.00 mi1243+199865+129189+31571(Top 15%)436(Top 21%)101(Top 22%)
Finish13.11 mi1.11 mi1130+113803+62176+13354(Top 9%)274(Top 13%)66(Top 15%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 15%
×9story building
+138ft-68ft

Overall

571

Males

436

M30-34

101

2M→4M

2.0 - 4.0 mi

Top 56%
×13story building
+163ft-19ft

Overall

2154

Males

1364

M30-34

309

4M→6M

4.0 - 6.0 mi

Top 38%
×4story building
+55ft-83ft

Overall

1475

Males

1016

M30-34

227

6M→8M

6.0 - 8.0 mi

Top 29%
×10story building
+65ft-151ft

Overall

1109

Males

789

M30-34

178

8M→10M

8.0 - 10.0 mi

Top 21%
×10story building
+61ft-174ft

Overall

790

Males

593

M30-34

136

10M→12M

10.0 - 12.0 mi

Top 15%
×3story building
+41ft-53ft

Overall

571

Males

436

M30-34

101

12M→Finish

12.0 - 13.1 mi

Top 9%
×1human
+6ft-6ft

Overall

354

Males

274

M30-34

66

Passing Analysis

Category:
Athletes Passed
874*
Passed By
242
Net Change
+632
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1762
2M → 4M34231-197#1762#1959
4M → 6M1987+191#1959#1768
6M → 8M1222+120#1768#1648
8M → 10M206*0+206#1648#1442
10M → 12M2012+199#1442#1243
12M → Finish1130+113#1243#1130
TOTALS874*242+632

* 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