Michael Isaacson

Bib: 19366•M•Age: 39

Brisbane, CA

0:00

0:00

/ mi

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Overall

#0 / 7100

Gender (Male)

#0 / 3977

Division (M35-39)

#0 / 583

Race Day Weather

56°/46°F

light rain

⏱️ 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

1.81M

10:36/mi

19:11

→ flat

5.34M

11:52/mi

1:01:03

↑ 80 ft↓ 74 ft

6.15M

11:53/mi

1:10:40

↑ 126 ft2.8% grade

10.54M

14:59/mi

2:16:28

↑ 230 ft↓ 361 ft0.6% grade

11.05M

20:21/mi

2:26:51

↑ 172 ft6.4% grade

Finish· 13.11 mi

17:53/mi

3:03:40

↑ 97 ft↓ 114 ft0.2% grade

The Course

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Half Splits

1st Half· via 6.15MFaster

Distance6.15 mi

Time1:10:40

Pace11:29 /mi

2nd Half

Distance6.96 mi

Time1:53:00

Pace16:14 /mi

📊Positive Split: 59.9% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
1.81M	1.81 mi	07:07:42	19:11	10:36	19:11	10:36	-
5.34M	5.34 mi	07:49:34	1:01:03	11:26	41:52	11:52	+1:16
6.15M	6.15 mi	07:59:11	1:10:40	11:29	9:37	11:53	+0:01
10.54M	10.54 mi	09:04:59	2:16:28	12:57	1:05:48	14:59	+3:06
11.05M	11.05 mi	09:15:22	2:26:51	13:17	10:23	20:21	+5:22
Finish	13.11 mi	09:52:11	3:03:40	14:01	36:49	17:53	-2:28

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

10:36 /mi

Average Pace

14:01 /mi

Slowest Pace

20:21 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:40

38% of race

Time at Steady Pace

1:05:48

36% of race

Time at Slower Pace

47:12

26% of race

Average Pace: 14:01 /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.

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

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment	Pace	Rank
1.81M	1.81 mi	07:07:42	19:11	10:36	19:11	10:36	#5094
5.34M	5.34 mi	07:49:34	1:01:03	11:26	41:52	11:52	#5740
6.15M	6.15 mi	07:59:11	1:10:40	11:29	9:37	11:53	#5630
10.54M	10.54 mi	09:04:59	2:16:28	12:57	1:05:48	14:59	#6482
11.05M	11.05 mi	09:15:22	2:26:51	13:17	10:23	20:21	#6505
Finish	13.11 mi	09:52:11	3:03:40	14:01	36:49	17:53	#6712

Faster pace

Steady pace

Slower pace

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M35-39	Seg. Overall	Seg. Males	Seg. M35-39
1.81M	1.81 mi	1.81 mi	5094	3136	453	5094(Top 72%)	3136(Top 79%)	453(Top 78%)
5.34M	5.34 mi	3.53 mi	5740-646	3423-287	499-46	5947(Top 84%)	3513(Top 88%)	511(Top 88%)
6.15M	6.15 mi	0.81 mi	5630+110	3383+40	494+5	5139(Top 72%)	3157(Top 79%)	464(Top 80%)
10.54M	10.54 mi	4.39 mi	6482-852	3733-350	544-50	6849(Top 96%)	3863(Top 97%)	566(Top 97%)
11.05M	11.05 mi	0.51 mi	6505-23	3746-13	545-1	6711(Top 95%)	3807(Top 96%)	558(Top 96%)
Finish	13.11 mi	2.06 mi	6712-207	3822-76	556-11	6964(Top 98%)	3904(Top 98%)	572(Top 98%)

572

Passing Analysis

Category:

Athletes Passed

224*

Passed By

1842

Net Change

-1618

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 1.81M	-	-	-	-	#5094
1.81M → 5.34M	72*	718	-646	#5094	#5740
5.34M → 6.15M	125	15	+110	#5740	#5630
6.15M → 10.54M	10*	862	-852	#5630	#6482
10.54M → 11.05M	5	28	-23	#6482	#6505
11.05M → Finish	12*	219	-207	#6505	#6712
TOTALS	224*	1842	-1618

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

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Results processed 28 days ago

Official Timing Data

Enhanced athlete results built from official timing data.

Race managed by

The San Francisco Marathon

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