Luchen Xu

Bib: 10550MAge: 36

Sunnyvale, CA

0:00
0:00
/ mi
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Overall
#0 / 5177
Top 28%
Gender (Male)
#0 / 2862
Top 37%
Division (M35-39)
#0 / 418
Top 37%
Race Day Weather
56°/46°F
overcast 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
2.13M
10:56/mi
23:17
→ flat
6.62M
8:24/mi
1:01:02
299780.9%
7.12M
12:34/mi
1:07:19
271.0%
10.65M
8:38/mi
1:37:48
1273601.3%
Finish· 13.11 mi
9:55/mi
2:02:11
2441141.0%

The Course

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Half Splits

1st Half· via 6.62M⚖️ Balanced
Distance6.62 mi
Time1:01:02
Pace9:13 /mi
2nd Half⚖️ Balanced
Distance6.49 mi
Time1:01:09
Pace9:25 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2.13M
2.13 mi07:34:2323:1710:5623:17
10:56
-
6.62M
6.62 mi08:12:081:01:029:1337:45
8:24
-2:32
7.12M
7.12 mi08:18:251:07:199:276:17
12:34
+4:10
10.65M
10.65 mi08:48:541:37:489:1130:29
8:38
-3:56
Finish
13.11 mi09:13:172:02:119:1924:23
9:55
+1:17

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

8:24 /mi

Average Pace

9:19 /mi

Slowest Pace

12:34 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:08:14

56% of race

Time at Steady Pace

24:23

20% of race

Time at Slower Pace

29:34

24% of race

Average Pace: 9:19 /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
2.13M
2.13 mi07:34:2323:1710:5623:17
10:56
#936
6.62M
6.62 mi08:12:081:01:029:1337:45
8:24
#891
7.12M
7.12 mi08:18:251:07:199:276:17
12:34
#980
10.65M
10.65 mi08:48:541:37:489:1130:29
8:38
#1136
Finish
13.11 mi09:13:172:02:119:1924:23
9:55
#1444
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2.13M2.13 mi2.13 mi936717106936(Top 18%)717(Top 25%)106(Top 25%)
6.62M6.62 mi4.49 mi891+45697+2096+10901(Top 17%)701(Top 24%)100(Top 24%)
7.12M7.12 mi0.50 mi980-89760-63107-111843(Top 36%)1316(Top 46%)181(Top 43%)
10.65M10.65 mi3.53 mi1136-156868-108124-171516(Top 29%)1119(Top 39%)161(Top 39%)
Finish13.11 mi2.46 mi1444-3081068-200156-322828(Top 55%)1766(Top 62%)253(Top 61%)

Segment Performance Analysis

Start → 2.13M

0.0 - 2.1 mi

Top 18%
~flat
+6ft-3ft

Overall

936

Males

717

M35-39

108

2.13M→6.62M

2.1 - 6.6 mi

Top 17%
×19story building
+299ft-78ft

Overall

901

Males

701

M35-39

101

6.62M→7.12M

6.6 - 7.1 mi

Top 36%
×2story building
+27ft-0ft

Overall

1843

Males

1316

M35-39

182

7.12M→10.65M

7.1 - 10.7 mi

Top 29%
×21story building
+127ft-360ft

Overall

1516

Males

1119

M35-39

162

10.65M→Finish

10.7 - 13.1 mi

Top 55%
×17story building
+244ft-114ft

Overall

2828

Males

1766

M35-39

253

Passing Analysis

Category:
Athletes Passed
158*
Passed By
666
Net Change
-508
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2.13M----#936
2.13M6.62M13085+45#936#891
6.62M7.12M1099-89#891#980
7.12M10.65M14170-156#980#1136
10.65MFinish4*312-308#1136#1444
TOTALS158*666-508

* 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