Lin Song

Mountain View, CA

Bib: 15736 M 29

0:00
0:00
/ mi
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Overall
#0 / 7100
Top 24%
Gender (Male)
#0 / 3977
Top 32%
Division (M25-29)
#0 / 899
Top 38%
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
8:24/mi
15:12
→ flat
12 ft elev
5.34M
8:31/mi
45:17
8074
19 ft elev
6.15M
9:05/mi
52:38
1262.8%
149 ft elev
10.54M
9:10/mi
1:32:53
2303610.6%
20 ft elev
11.05M
16:02/mi
1:41:04
1726.4%
213 ft elev
Finish· 13.11 mi
9:49/mi
2:01:16
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
Time52:38
Pace8:34 /mi
2nd Half
Distance6.96 mi
Time1:08:38
Pace9:52 /mi
📊Positive Split: 30.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi06:50:1915:128:2415:12
8:24
-
5.34M
5.34 mi07:20:2445:178:2930:05
8:31
+0:07
6.15M
6.15 mi07:27:4552:388:347:21
9:05
+0:34
10.54M
10.54 mi08:08:001:32:538:4940:15
9:10
+0:05
11.05M
11.05 mi08:16:111:41:049:098:11
16:02
+6:52
Finish
13.11 mi08:36:232:01:169:1520:12
9:49
-6:13

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

9:15 /mi

Slowest Pace

16:02 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

1:53:05

93% of race

Time at Slower Pace

8:11

7% of race

Average Pace: 9:15 /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
1.81M
1.81 mi06:50:1915:128:2415:12
8:24
#1067
5.34M
5.34 mi07:20:2445:178:2930:05
8:31
#1069
6.15M
6.15 mi07:27:4552:388:347:21
9:05
#1093
10.54M
10.54 mi08:08:001:32:538:4940:15
9:10
#1334
11.05M
11.05 mi08:16:111:41:049:098:11
16:02
#1609
Finish
13.11 mi08:36:232:01:169:1520:12
9:49
#1692
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
1.81M1.81 mi1.81 mi10678712121067(Top 15%)871(Top 22%)212(Top 24%)
5.34M5.34 mi3.53 mi1069-2860+11211+11109(Top 16%)891(Top 22%)218(Top 24%)
6.15M6.15 mi0.81 mi1093-24881-21216-51382(Top 19%)1084(Top 27%)286(Top 32%)
10.54M10.54 mi4.39 mi1334-2411057-176280-641776(Top 25%)1359(Top 34%)356(Top 40%)
11.05M11.05 mi0.51 mi1609-2751245-188325-454580(Top 65%)2831(Top 71%)686(Top 76%)
Finish13.11 mi2.06 mi1692-831289-44339-142231(Top 31%)1585(Top 40%)409(Top 45%)

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 15%
~flat
+4ft-3ft

Overall

1067

Males

871

M25-29

213

1.81M→5.34M

1.8 - 5.3 mi

Top 16%
×4story building
+80ft-74ft

Overall

1109

Males

891

M25-29

219

5.34M→6.15M

5.3 - 6.2 mi

Top 19%
×10story building
+126ft-4ft

Overall

1382

Males

1084

M25-29

287

6.15M→10.54M

6.2 - 10.5 mi

Top 25%
×21story building
+230ft-361ft

Overall

1776

Males

1359

M25-29

357

10.54M→11.05M

10.5 - 11.1 mi

Top 65%
×14story building
+172ft-0ft

Overall

4580

Males

2831

M25-29

687

11.05M→Finish

11.1 - 13.1 mi

Top 31%
×7story building
+97ft-114ft

Overall

2231

Males

1585

M25-29

409

Passing Analysis

Category:
Athletes Passed
177*
Passed By
802
Net Change
-625
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#1067
1.81M5.34M105107-2#1067#1069
5.34M6.15M1539-24#1069#1093
6.15M10.54M24265-241#1093#1334
10.54M11.05M2277-275#1334#1609
11.05MFinish31*114-83#1609#1692
TOTALS177*802-625

* 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