Zhengxiao Song

Bib: 26007MAge: 21

Los Angeles, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Top 37%
Gender (Male)
#0 / 2065
Top 46%
M20-29
#0 / 190
Top 49%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
9292 ft
×24story building
548 ft climb · 587 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
10:12/mi
20:24
138680.7%
4M
8:59/mi
38:22
1631.4%
6M
11:53/mi
1:02:09
55830.3%
8M
7:08/mi
1:16:25
651510.8%
10M
9:37/mi
1:35:38
611741.1%
12M
9:25/mi
1:54:28
41530.1%
Finish· 13.11 mi
8:43/mi
2:04:08
→ flat

The Course

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Half Splits

1st Half· via 6M⚖️ Balanced
Distance6.00 mi
Time1:02:09
Pace10:22 /mi
2nd Half⚖️ Balanced
Distance7.11 mi
Time1:01:59
Pace8:43 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:07:1720:2410:1220:24
10:12
-
4M
4.00 mi09:25:1538:229:3617:58
8:59
-1:13
6M
6.00 mi09:49:021:02:0910:2223:47
11:53
+2:54
8M
8.00 mi10:03:181:16:259:3314:16
7:08
-4:45
10M
10.00 mi10:22:311:35:389:3419:13
9:37
+2:29
12M
12.00 mi10:41:211:54:289:3218:50
9:25
-0:12
Finish
13.11 mi10:51:012:04:089:289:40
8:43
-0:42

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

7:08 /mi

Average Pace

9:28 /mi

Slowest Pace

11:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

23:56

19% of race

Time at Steady Pace

56:01

45% of race

Time at Slower Pace

44:11

36% of race

Average Pace: 9:28 /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
2M
2.00 mi09:07:1720:2410:1220:24
10:12
#2185
4M
4.00 mi09:25:1538:229:3617:58
8:59
#1878
6M
6.00 mi09:49:021:02:0910:2223:47
11:53
#1832
8M
8.00 mi10:03:181:16:259:3314:16
7:08
#1745
10M
10.00 mi10:22:311:35:389:3419:13
9:37
#1661
12M
12.00 mi10:41:211:54:289:3218:50
9:25
#1504
Finish
13.11 mi10:51:012:04:089:289:40
8:43
#1407
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
2M2.00 mi2.00 mi21851387134996(Top 26%)701(Top 34%)71(Top 37%)
4M4.00 mi2.00 mi1878+3071233+154122+121625(Top 42%)1097(Top 53%)106(Top 56%)
6M6.00 mi2.00 mi1832+461212+21117+51785(Top 46%)1192(Top 58%)116(Top 61%)
8M8.00 mi2.00 mi1745+871169+43115+21463(Top 38%)999(Top 48%)100(Top 53%)
10M10.00 mi2.00 mi1661+841121+48112+31365(Top 36%)934(Top 45%)92(Top 48%)
12M12.00 mi2.00 mi1504+1571025+9699+13996(Top 26%)701(Top 34%)71(Top 37%)
Finish13.11 mi1.11 mi1407+97960+6594+5786(Top 20%)582(Top 28%)56(Top 29%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 26%
×9story building
+138ft-68ft

Overall

996

Males

701

M20-24

72

2M→4M

2.0 - 4.0 mi

Top 42%
×13story building
+163ft-19ft

Overall

1625

Males

1097

M20-24

106

4M→6M

4.0 - 6.0 mi

Top 46%
×4story building
+55ft-83ft

Overall

1785

Males

1192

M20-24

117

6M→8M

6.0 - 8.0 mi

Top 38%
×10story building
+65ft-151ft

Overall

1463

Males

999

M20-24

100

8M→10M

8.0 - 10.0 mi

Top 36%
×10story building
+61ft-174ft

Overall

1365

Males

934

M20-24

93

10M→12M

10.0 - 12.0 mi

Top 26%
×3story building
+41ft-53ft

Overall

996

Males

701

M20-24

72

12M→Finish

12.0 - 13.1 mi

Top 20%
×1human
+6ft-6ft

Overall

786

Males

582

M20-24

56

Passing Analysis

Category:
Athletes Passed
822*
Passed By
44
Net Change
+778
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2185
2M4M3092+307#2185#1878
4M6M7731+46#1878#1832
6M8M881+87#1832#1745
8M10M91*7+84#1745#1661
10M12M1592+157#1661#1504
12MFinish98*1+97#1504#1407
TOTALS822*44+778

* 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