Jonathan Chang

MOUNTAIN VIEW, CA

Bib: 18276 M 65

0:00
0:00
/ mi
Masters
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Overall
#0 / 7100
Gender (Male)
#0 / 3977
Masters (Masters Men)
#0 / 1096
Division (M65-69)
#0 / 39
Race Day Weather
56°/46°F
light rain

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.81M
13:42/mi
24:48
→ flat
12 ft elev
5.34M
15:13/mi
1:18:30
8074
19 ft elev
6.15M
17:50/mi
1:32:56
1262.8%
149 ft elev
10.54M
16:51/mi
2:46:53
2303610.6%
20 ft elev
11.05M
24:46/mi
2:59:31
1726.4%
213 ft elev
Finish· 13.11 mi
17:37/mi
3:35:48
971140.2%
205 ft elev
Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent

The Course

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Half Splits

1st Half· via 6.15MFaster
Distance6.15 mi
Time1:32:56
Pace15:07 /mi
2nd Half
Distance6.96 mi
Time2:02:52
Pace17:39 /mi
📊Positive Split: 32.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi07:05:3024:4813:4224:48
13:42
-
5.34M
5.34 mi07:59:121:18:3014:4253:42
15:13
+1:31
6.15M
6.15 mi08:13:381:32:5615:0714:26
17:50
+2:37
10.54M
10.54 mi09:27:352:46:5315:501:13:57
16:51
-0:59
11.05M
11.05 mi09:40:132:59:3116:1512:38
24:46
+7:55
Finish
13.11 mi10:16:303:35:4816:2836:17
17:37
-7:09

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

13:42 /mi

Average Pace

16:28 /mi

Slowest Pace

24:46 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:18:30

36% of race

Time at Steady Pace

2:04:40

58% of race

Time at Slower Pace

12:38

6% of race

Average Pace: 16:28 /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
1.81M
1.81 mi07:05:3024:4813:4224:48
13:42
#6993
5.34M
5.34 mi07:59:121:18:3014:4253:42
15:13
#7038
6.15M
6.15 mi08:13:381:32:5615:0714:26
17:50
#7052
10.54M
10.54 mi09:27:352:46:5315:501:13:57
16:51
#7062
11.05M
11.05 mi09:40:132:59:3116:1512:38
24:46
#7064
Finish
13.11 mi10:16:303:35:4816:2836:17
17:37
#7057
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
1.81M1.81 mi1.81 mi69933928376993(Top 98%)3928(Top 99%)37(Top 95%)
5.34M5.34 mi3.53 mi7038-453950-22377065(Top 100%)3965(Top 100%)36(Top 92%)
6.15M6.15 mi0.81 mi7052-143958-8377086(Top 100%)3970(Top 100%)38(Top 97%)
10.54M10.54 mi4.39 mi7062-103960-2377052(Top 99%)3951(Top 99%)37(Top 95%)
11.05M11.05 mi0.51 mi7064-23962-2377078(Top 100%)3960(Top 100%)37(Top 95%)
Finish13.11 mi2.06 mi7057+73959+3376945(Top 98%)3894(Top 98%)36(Top 92%)

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 98%
~flat
+4ft-3ft

Overall

6993

Males

3928

M65-69

37

1.81M→5.34M

1.8 - 5.3 mi

Top 100%
×4story building
+80ft-74ft

Overall

7065

Males

3965

M65-69

36

5.34M→6.15M

5.3 - 6.2 mi

Top 100%
×10story building
+126ft-4ft

Overall

7086

Males

3970

M65-69

38

6.15M→10.54M

6.2 - 10.5 mi

Top 99%
×21story building
+230ft-361ft

Overall

7052

Males

3951

M65-69

37

10.54M→11.05M

10.5 - 11.1 mi

Top 100%
×14story building
+172ft-0ft

Overall

7078

Males

3960

M65-69

37

11.05M→Finish

11.1 - 13.1 mi

Top 98%
×7story building
+97ft-114ft

Overall

6945

Males

3894

M65-69

36

Passing Analysis

Category:
Athletes Passed
43*
Passed By
107
Net Change
-64
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#6993
1.81M5.34M13*58-45#6993#7038
5.34M6.15M216-14#7038#7052
6.15M10.54M14*24-10#7052#7062
10.54M11.05M13-2#7062#7064
11.05MFinish13*6+7#7064#7057
TOTALS43*107-64

* 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