Cheng Chang

Bib: 17839MAge: 26

San Jose, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Division (M25-29)
#0 / 796
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
11:34/mi
23:08
→ flat
4M
12:49/mi
48:46
6769
6M
13:09/mi
1:15:04
1231.1%
8M
14:41/mi
1:44:27
166531.1%
9.6M
12:34/mi
2:04:34
681931.5%
10M
30:42/mi
2:16:50
241.1%
10.5M
7:46/mi
2:20:43
732.7%
12M
20:49/mi
2:51:56
2803.2%
Finish· 13.11 mi
14:43/mi
3:08:15
14891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:15:04
Pace12:31 /mi
2nd Half
Distance7.11 mi
Time1:53:11
Pace15:55 /mi
📊Positive Split: 50.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:06:0423:0811:3423:08
11:34
-
4M
4.00 mi07:31:4248:4612:1225:38
12:49
+1:15
6M
6.00 mi07:58:001:15:0412:3126:18
13:09
+0:20
8M
8.00 mi08:27:231:44:2713:0329:23
14:41
+1:32
9.6M
9.60 mi08:47:302:04:3412:5920:07
12:34
-2:07
10M
10.00 mi08:59:462:16:5013:4112:16
30:42
+18:08
10.5M
10.50 mi09:03:392:20:4313:243:53
7:46
-22:56
12M
12.00 mi09:34:522:51:5614:2031:13
20:49
+13:03
Finish
13.11 mi09:51:113:08:1514:2216:19
14:43
-6:06

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

7:46 /mi

Average Pace

14:22 /mi

Slowest Pace

30:42 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:53

2% of race

Time at Steady Pace

2:20:53

75% of race

Time at Slower Pace

43:29

23% of race

Average Pace: 14:22 /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.

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 mi07:06:0423:0811:3423:08
11:34
#5487
4M
4.00 mi07:31:4248:4612:1225:38
12:49
#5823
6M
6.00 mi07:58:001:15:0412:3126:18
13:09
#5904
8M
8.00 mi08:27:231:44:2713:0329:23
14:41
#6082
9.6M
9.60 mi08:47:302:04:3412:5920:07
12:34
#6143
10M
10.00 mi08:59:462:16:5013:4112:16
30:42
#6207
10.5M
10.50 mi09:03:392:20:4313:243:53
7:46
#6217
12M
12.00 mi09:34:522:51:5614:2031:13
20:49
#6276
Finish
13.11 mi09:51:113:08:1514:2216:19
14:43
#6260
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 97%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

16:09

Segment Time

17:57/mi

Pace

0.90 mi

Distance

Overall

6402

Men

3531

Division

780

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi548732337226288(Top 96%)3476(Top 96%)764(Top 96%)
4M4.00 mi2.00 mi5823-3363376-143754-326026(Top 92%)3427(Top 95%)764(Top 96%)
6M6.00 mi2.00 mi5904-813407-31770-165947(Top 90%)3420(Top 95%)766(Top 96%)
8M8.00 mi2.00 mi6082-1783478-71776-66184(Top 94%)3506(Top 97%)781(Top 98%)
9.6M9.60 mi1.60 mi6143-613491-13779-36134(Top 93%)3442(Top 95%)772(Top 97%)
10M10.00 mi0.40 mi6207-643512-21781-26435(Top 98%)3544(Top 98%)781(Top 98%)
10.5M10.50 mi0.50 mi6217-103509+37816379(Top 97%)3525(Top 97%)775(Top 97%)
12M12.00 mi1.50 mi6276-593517-8780+16288(Top 96%)3476(Top 96%)764(Top 96%)
Finish13.11 mi1.11 mi6260+163511+6779+16137(Top 93%)3419(Top 94%)758(Top 95%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 96%
~flat
+5ft-3ft

Overall

6288

Males

3476

M25-29

765

2M→4M

2.0 - 4.0 mi

Top 92%
×4story building
+67ft-69ft

Overall

6026

Males

3427

M25-29

767

4M→6M

4.0 - 6.0 mi

Top 90%
×9story building
+123ft-9ft

Overall

5947

Males

3420

M25-29

769

6M→8M

6.0 - 8.0 mi

Top 94%
×12story building
+166ft-53ft

Overall

6184

Males

3506

M25-29

782

8M→9.6M

8.0 - 9.6 mi

Top 93%
×13story building
+68ft-193ft

Overall

6134

Males

3442

M25-29

773

9.6M→10M

9.6 - 10.0 mi

Top 98%
×2story building
+0ft-24ft

Overall

6435

Males

3544

M25-29

782

10M→10.5M

10.0 - 10.5 mi

Top 97%
×6story building
+1ft-73ft

Overall

6379

Males

3525

M25-29

776

10.5M→12M

10.5 - 12.0 mi

Top 96%
×21story building
+280ft-26ft

Overall

6288

Males

3476

M25-29

765

12M→Finish

12.0 - 13.1 mi

Top 93%
×7story building
+14ft-89ft

Overall

6137

Males

3419

M25-29

758

Passing Analysis

Category:
Athletes Passed
206*
Passed By
979
Net Change
-773
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5487
2M4M28364-336#5487#5823
4M6M70*151-81#5823#5904
6M8M29*207-178#5904#6082
8M9.6M3293-61#6082#6143
9.6M10M468-64#6143#6207
10M10.5M515-10#6207#6217
10.5M12M11*70-59#6217#6276
12MFinish27*11+16#6276#6260
TOTALS206*979-773

* 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

Race Place Events

Race Place Events