Zachary Fong

Bib: 9232•M•Age: 42

San Francisco, CA

Masters

0:00

0:00

/ mi

Masters

Be the first to cheer!

Overall

#0 / 4103

Top 5%

Gender (Male)

#0 / 2158

Top 8%

Masters (Masters Men)

#0 / 709

Top 4%

Division (M40-44)

#0 / 203

Top 5%

Race Day Weather

54°/44°F

overcast clouds

⏱️ Race Timeline

Start

0:00:00

Race begins

Start

0:00:00

Race begins

2.2M

14:08

Rank: #170

Start → 2.2M

6:26/mi

14:08 split

2.2M

14:08

Rank: #170

Start → 2.2M

6:26/mi

14:08 split

5.7M

42:19

Rank: #174 (-4)

2.2M → 5.7M

8:03/mi

28:11 split

5.7M

42:19

Rank: #174 (-4)

2.2M → 5.7M

8:03/mi

28:11 split

6.43M

50:30

Rank: #184 (-10)

5.7M → 6.43M

11:13/mi

8:11 split

6.43M

50:30

Rank: #184 (-10)

5.7M → 6.43M

11:13/mi

8:11 split

8.3M

1:02:29

Rank: #185 (-1)

6.43M → 8.3M

6:25/mi

11:59 split

8.3M

1:02:29

Rank: #185 (-1)

6.43M → 8.3M

6:25/mi

11:59 split

11.45M

1:28:04

Rank: #188 (-3)

8.3M → 11.45M

8:07/mi

25:35 split

11.45M

1:28:04

Rank: #188 (-3)

8.3M → 11.45M

8:07/mi

25:35 split

FINISH· 13.11 mi

1:41:52

Rank: #192 (-4)

11.45M → FINISH

8:19/mi

13:48 split

FINISH· 13.11 mi

1:41:52

Rank: #192 (-4)

11.45M → FINISH

8:19/mi

13:48 split

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
2.2M	2.20 mi	06:44:54	14:08	6:26	14:08	6:26	-
5.7M	5.70 mi	07:13:05	42:19	7:25	28:11	8:03	+1:37
6.43M	6.43 mi	07:21:16	50:30	7:51	8:11	11:13	+3:10
8.3M	8.30 mi	07:33:15	1:02:29	7:32	11:59	6:25	-4:48
11.45M	11.45 mi	07:58:50	1:28:04	7:42	25:35	8:07	+1:42
FINISH	13.11 mi	08:12:38	1:41:52	7:46	13:48	8:19	+0:12

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

6:25 /mi

Average Pace

7:46 /mi

Slowest Pace

11:13 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Time at Faster Pace

26:07

26% of race

Time at Steady Pace

1:07:34

66% of race

Time at Slower Pace

8:11

8% of race

Average Pace: 7:46 /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
2.2M	2.20 mi	06:44:54	14:08	6:26	14:08	6:26	#170
5.7M	5.70 mi	07:13:05	42:19	7:25	28:11	8:03	#174
6.43M	6.43 mi	07:21:16	50:30	7:51	8:11	11:13	#184
8.3M	8.30 mi	07:33:15	1:02:29	7:32	11:59	6:25	#185
11.45M	11.45 mi	07:58:50	1:28:04	7:42	25:35	8:07	#188
FINISH	13.11 mi	08:12:38	1:41:52	7:46	13:48	8:19	#192

Faster pace

Steady pace

Slower pace

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M40-44	Seg. Overall	Seg. Males	Seg. M40-44
2.2M	2.20 mi	2.20 mi	170	152	8	170(Top 4%)	152(Top 7%)	8(Top 4%)
5.7M	5.70 mi	3.50 mi	174-4	155-3	11-3	190(Top 5%)	168(Top 8%)	12(Top 6%)
6.43M	6.43 mi	0.73 mi	184-10	163-8	11	323(Top 8%)	267(Top 12%)	16(Top 8%)
8.3M	8.30 mi	1.87 mi	185-1	164-1	11	270(Top 7%)	230(Top 11%)	15(Top 7%)
11.45M	11.45 mi	3.15 mi	188-3	163+1	10+1	240(Top 6%)	199(Top 9%)	14(Top 7%)
FINISH	13.11 mi	1.66 mi	192-4	164-1	10	263(Top 6%)	216(Top 10%)	16(Top 8%)

M40-44

Passing Analysis

Category:

Athletes Passed

Passed By

Net Change

-22

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 2.2M	-	-	-	-	#170
2.2M → 5.7M	17	21	-4	#170	#174
5.7M → 6.43M	5	15	-10	#174	#184
6.43M → 8.3M	6	7	-1	#184	#185
8.3M → 11.45M	10	13	-3	#185	#188
11.45M → FINISH	9	13	-4	#188	#192
TOTALS	47	69	-22

📊

Passing Visuals

Category:

🔥Passing Intensity

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Official Timing Data

Enhanced athlete results built from official timing data.

Race managed by

The San Francisco Marathon