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SF MARATHON 2ND HALF 2026

Zachary Gennett

Bib: 24242•M•Age: 39

Campbell, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Top 38%
Gender (Male)
#0 / 2065
Top 48%
Division (M35-39)
#0 / 309
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
9:45/mi
19:30
↑ 138↓ 680.7%
4M
9:04/mi
37:38
↑ 1631.4%
6M
11:43/mi
1:01:04
↑ 55↓ 830.3%
8M
7:02/mi
1:15:09
↑ 65↓ 1510.8%
10M
9:44/mi
1:34:36
↑ 61↓ 1741.1%
12M
9:50/mi
1:54:16
↑ 41↓ 530.1%
Finish· 13.11 mi
9:31/mi
2:04:49
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:01:04
Pace10:11 /mi
2nd Half
Distance7.11 mi
Time1:03:45
Pace8:58 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:53:5919:309:4519:30
9:45
-
4M
4.00 mi09:12:0737:389:2518:08
9:04
-0:41
6M
6.00 mi09:35:331:01:0410:1123:26
11:43
+2:39
8M
8.00 mi09:49:381:15:099:2414:05
7:02
-4:41
10M
10.00 mi10:09:051:34:369:2819:27
9:44
+2:42
12M
12.00 mi10:28:451:54:169:3119:40
9:50
+0:06
Finish
13.11 mi10:39:182:04:499:3110:33
9:31
-0:19

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

7:02 /mi

Average Pace

9:31 /mi

Slowest Pace

11:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

32:13

26% of race

Time at Steady Pace

1:09:10

55% of race

Time at Slower Pace

23:26

19% of race

Average Pace: 9:31 /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 mi08:53:5919:309:4519:30
9:45
#1805
4M
4.00 mi09:12:0737:389:2518:08
9:04
#1734
6M
6.00 mi09:35:331:01:0410:1123:26
11:43
#1711
8M
8.00 mi09:49:381:15:099:2414:05
7:02
#1639
10M
10.00 mi10:09:051:34:369:2819:27
9:44
#1571
12M
12.00 mi10:28:451:54:169:3119:40
9:50
#1491
Finish
13.11 mi10:39:182:04:499:3110:33
9:31
#1448
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi180512111981242(Top 32%)848(Top 41%)143(Top 46%)
4M4.00 mi2.00 mi1734+711164+47190+81675(Top 44%)1121(Top 54%)183(Top 59%)
6M6.00 mi2.00 mi1711+231152+12186+41689(Top 44%)1138(Top 55%)181(Top 59%)
8M8.00 mi2.00 mi1639+721111+41182+41379(Top 36%)947(Top 46%)160(Top 52%)
10M10.00 mi2.00 mi1571+681066+45177+51438(Top 37%)980(Top 47%)164(Top 53%)
12M12.00 mi2.00 mi1491+801015+51175+21242(Top 32%)848(Top 41%)143(Top 46%)
Finish13.11 mi1.11 mi1448+43986+29170+51293(Top 34%)879(Top 43%)150(Top 49%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 32%
×9story building
+138ft-68ft

Overall

1242

Males

848

M35-39

143

2M→4M

2.0 - 4.0 mi

Top 44%
×13story building
+163ft-19ft

Overall

1675

Males

1121

M35-39

183

4M→6M

4.0 - 6.0 mi

Top 44%
×4story building
+55ft-83ft

Overall

1689

Males

1138

M35-39

181

6M→8M

6.0 - 8.0 mi

Top 36%
×10story building
+65ft-151ft

Overall

1379

Males

947

M35-39

160

8M→10M

8.0 - 10.0 mi

Top 37%
×10story building
+61ft-174ft

Overall

1438

Males

980

M35-39

164

10M→12M

10.0 - 12.0 mi

Top 32%
×3story building
+41ft-53ft

Overall

1242

Males

848

M35-39

143

12M→Finish

12.0 - 13.1 mi

Top 34%
×1human
+6ft-6ft

Overall

1293

Males

879

M35-39

150

Passing Analysis

Category:
Athletes Passed
480*
Passed By
123
Net Change
+357
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1805
2M → 4M12352+71#1805#1734
4M → 6M6138+23#1734#1711
6M → 8M786+72#1711#1639
8M → 10M77*9+68#1639#1571
10M → 12M9212+80#1571#1491
12M → Finish49*6+43#1491#1448
TOTALS480*123+357

* 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