Yi Du

Stanford, CA

Bib: 15012 M 21

0:00
0:00
/ mi
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Overall
#0 / 7100
Top 33%
Gender (Male)
#0 / 3977
Top 42%
M20-29
#0 / 437
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
9:02/mi
16:21
→ flat
12 ft elev
5.34M
9:14/mi
48:55
8074
19 ft elev
6.15M
9:48/mi
56:51
1262.8%
149 ft elev
10.54M
9:53/mi
1:40:16
2303610.6%
20 ft elev
11.05M
9:53/mi
1:45:19
1726.4%
213 ft elev
Finish· 13.11 mi
10:37/mi
2:07:10
971140.2%
205 ft elev
Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
56:519:15 /mi⚡ faster
2nd Half
1:10:1910:06 /mi+23.7%
Positive split — 23.7% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi06:46:5816:219:0216:21
9:02
-
5.34M
5.34 mi07:19:3248:559:1032:34
9:14
+0:12
6.15M
6.15 mi07:27:2856:519:157:56
9:48
+0:34
10.54M
10.54 mi08:10:531:40:169:3143:25
9:53
+0:05
11.05M
11.05 mi08:15:561:45:199:325:03
9:53
0:00
Finish
13.11 mi08:37:472:07:109:4221:51
10:37
+0:44

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

9:02 /mi

Average Pace

9:42 /mi

Slowest Pace

10:37 /mi

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Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

1:45:19

83% of race

Time at Steady Pace

21:51

17% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:42 /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.

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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 mi06:46:5816:219:0216:21
9:02
#2019
5.34M
5.34 mi07:19:3248:559:1032:34
9:14
#2096
6.15M
6.15 mi07:27:2856:519:157:56
9:48
#2117
10.54M
10.54 mi08:10:531:40:169:3143:25
9:53
#2391
11.05M
11.05 mi08:15:561:45:199:325:03
9:53
#2148
Finish
13.11 mi08:37:472:07:109:4221:51
10:37
#2311
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
1.81M1.81 mi1.81 mi2019149821220191498212
5.34M5.34 mi3.53 mi2096-771555-57229-1721961615242
6.15M6.15 mi0.81 mi2117-211570-15231-224371749264
10.54M10.54 mi4.39 mi2391-2741719-149251-2027691927271
11.05M11.05 mi0.51 mi2148+2431577+142231+2031327752
Finish13.11 mi2.06 mi2311-1631659-82238-733202151300

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 28%
~flat
+4ft-3ft

Overall

2019

Males

1498

M20-24

212

1.81M→5.34M

1.8 - 5.3 mi

Top 31%
×4story building
+80ft-74ft

Overall

2196

Males

1615

M20-24

242

5.34M→6.15M

5.3 - 6.2 mi

Top 34%
×10story building
+126ft-4ft

Overall

2437

Males

1749

M20-24

264

6.15M→10.54M

6.2 - 10.5 mi

Top 39%
×21story building
+230ft-361ft

Overall

2769

Males

1927

M20-24

271

10.54M→11.05M

10.5 - 11.1 mi

Top 4%
×14story building
+172ft-0ft

Overall

313

Males

277

M20-24

52

11.05M→Finish

11.1 - 13.1 mi

Top 47%
×7story building
+97ft-114ft

Overall

3320

Males

2151

M20-24

300

Passing Analysis

Category:
Athletes Passed
484*
Passed By
776
Net Change
-292
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#2019
1.81M5.34M140*217-77#2019#2096
5.34M6.15M2950-21#2096#2117
6.15M10.54M49*323-274#2117#2391
10.54M11.05M2430+243#2391#2148
11.05MFinish23*186-163#2148#2311
TOTALS484*776-292

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

Passing Charts

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