Christopher Cheng

Bib: 26850MAge: 23

SAN BRUNO, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Top 34%
Gender (Male)
#0 / 2065
Top 43%
M20-29
#0 / 190
Top 44%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
18:37
Rank: #1470
Start2M
18:37 | 9:18/mi
4M
35:13
Rank: #1255 (+215)
2M4M
16:36 | 8:18/mi
6M
56:29
Rank: #1108 (+147)
4M6M
21:16 | 10:38/mi
8M
1:11:02
Rank: #1211 (-103)
6M8M
14:33 | 7:16/mi
10M
1:30:13
Rank: #1227 (-16)
8M10M
19:11 | 9:36/mi
12M
1:51:15
Rank: #1311 (-84)
10M12M
21:02 | 10:31/mi
Finish· 13.11 mi
2:01:41
Rank: #1294 (+17)
12MFinish
10:26 | 9:24/mi

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time56:29
Pace9:25 /mi
2nd Half
Distance7.11 mi
Time1:05:12
Pace9:10 /mi
📊Positive Split: 15.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:00:5218:379:1818:37
9:18
-
4M
4.00 mi09:17:2835:138:4816:36
8:18
-1:00
6M
6.00 mi09:38:4456:299:2521:16
10:38
+2:20
8M
8.00 mi09:53:171:11:028:5314:33
7:16
-3:22
10M
10.00 mi10:12:281:30:139:0119:11
9:36
+2:20
12M
12.00 mi10:33:301:51:159:1621:02
10:31
+0:55
Finish
13.11 mi10:43:562:01:419:1710:26
9:24
-1:07

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

7:16 /mi

Average Pace

9:17 /mi

Slowest Pace

10:38 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

31:09

26% of race

Time at Steady Pace

48:14

40% of race

Time at Slower Pace

42:18

35% of race

Average Pace: 9:17 /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 mi09:00:5218:379:1818:37
9:18
#1470
4M
4.00 mi09:17:2835:138:4816:36
8:18
#1255
6M
6.00 mi09:38:4456:299:2521:16
10:38
#1108
8M
8.00 mi09:53:171:11:028:5314:33
7:16
#1211
10M
10.00 mi10:12:281:30:139:0119:11
9:36
#1227
12M
12.00 mi10:33:301:51:159:1621:02
10:31
#1311
Finish
13.11 mi10:43:562:01:419:1710:26
9:24
#1294
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
2M2.00 mi2.00 mi14701020901641(Top 43%)1073(Top 52%)106(Top 56%)
4M4.00 mi2.00 mi1255+215880+14079+111042(Top 27%)745(Top 36%)70(Top 37%)
6M6.00 mi2.00 mi1108+147782+9871+8963(Top 25%)696(Top 34%)62(Top 33%)
8M8.00 mi2.00 mi1211-103851-6975-41600(Top 42%)1079(Top 52%)113(Top 59%)
10M10.00 mi2.00 mi1227-16861-1079-41348(Top 35%)925(Top 45%)91(Top 48%)
12M12.00 mi2.00 mi1311-84902-4187-81641(Top 43%)1073(Top 52%)106(Top 56%)
Finish13.11 mi1.11 mi1294+17891+1184+31220(Top 32%)832(Top 40%)83(Top 44%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 43%
×9stories
+138ft-68ft

Overall

1641

Males

1073

M20-24

107

2M→4M

2.0 - 4.0 mi

Top 27%
×13stories
+163ft-19ft

Overall

1042

Males

745

M20-24

70

4M→6M

4.0 - 6.0 mi

Top 25%
×4stories
+55ft-83ft

Overall

963

Males

696

M20-24

63

6M→8M

6.0 - 8.0 mi

Top 42%
×10stories
+65ft-151ft

Overall

1600

Males

1079

M20-24

113

8M→10M

8.0 - 10.0 mi

Top 35%
×10stories
+61ft-174ft

Overall

1348

Males

925

M20-24

92

10M→12M

10.0 - 12.0 mi

Top 43%
×3stories
+41ft-53ft

Overall

1641

Males

1073

M20-24

107

12M→Finish

12.0 - 13.1 mi

Top 32%
×1human
+6ft-6ft

Overall

1220

Males

832

M20-24

83

Passing Analysis

Category:
Athletes Passed
457*
Passed By
281
Net Change
+176
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1470
2M4M22712+215#1470#1255
4M6M16316+147#1255#1108
6M8M6109-103#1108#1211
8M10M22*38-16#1211#1227
10M12M892-84#1227#1311
12MFinish3114+17#1311#1294
TOTALS457*281+176

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

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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