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SF MARATHON 1ST HALF 2023

Jianhao Zhong

Bib: 14829•M•Age: 29

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 6072
Gender (Male)
#0 / 3331
Division (M25-29)
#0 / 688
Race Day Weather
60°/50°F
overcast clouds

⏱️ Race Timeline

Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.40M
9:54/mi
13:52
→ flat
2.13M
18:14/mi
27:11
→ flat
6.43M
12:07/mi
1:19:17
↑ 274↓ 780.9%
6.62M
-43:-20/mi
1:11:14
↑ 161.6%
10.65M
11:01/mi
1:55:36
↑ 153↓ 3611.0%
Finish· 13.11 mi
10:39/mi
2:21:46
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M⚖️ Balanced
Distance6.62 mi
Time1:11:14
Pace10:46 /mi
2nd Half⚖️ Balanced
Distance6.49 mi
Time1:10:32
Pace10:52 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi07:02:2913:529:5413:52
9:54
-
2.13M
2.13 mi07:15:4827:1112:4613:19
18:14
+8:20
6.43M
6.43 mi08:07:541:19:1712:2052:06
12:07
-6:07
6.62M
6.62 mi07:59:511:11:1410:46
-43:-20
-55:27
10.65M
10.65 mi08:44:131:55:3610:5144:22
11:01
+54:21
Finish
13.11 mi09:10:232:21:4610:4926:10
10:39
-0:22

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

-44:-20 /mi

Average Pace

10:49 /mi

Slowest Pace

18:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:46

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:49 /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
1.40M
1.40 mi07:02:2913:529:5413:52
9:54
#3872
2.13M
2.13 mi07:15:4827:1112:4613:19
18:14
#3013
6.43M
6.43 mi08:07:541:19:1712:2052:06
12:07
#3130
6.62M
6.62 mi07:59:511:11:1410:46
-43:-20
#2905
10.65M
10.65 mi08:44:131:55:3610:5144:22
11:01
#3391
Finish
13.11 mi09:10:232:21:4610:4926:10
10:39
#3484
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
1.40M1.40 mi1.40 mi387223945373872(Top 64%)2394(Top 72%)537(Top 78%)
2.13M2.13 mi0.73 mi3013+8591934+460445+922326(Top 38%)1560(Top 47%)353(Top 51%)
6.43M6.43 mi4.30 mi3130-1172004-70460-153263(Top 54%)2074(Top 62%)470(Top 68%)
6.62M6.62 mi0.19 mi2905+2251887+117430+30---
10.65M10.65 mi4.03 mi3391-4862151-264491-614175(Top 69%)2515(Top 76%)565(Top 82%)
Finish13.11 mi2.46 mi3484-932180-29493-23941(Top 65%)2363(Top 71%)539(Top 78%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 64%
~flat
+3ft-2ft

Overall

3872

Males

2394

M25-29

540

1.40M→2.13M

1.4 - 2.1 mi

Top 38%
~flat
+3ft-1ft

Overall

2326

Males

1560

M25-29

358

2.13M→6.43M

2.1 - 6.4 mi

Top 54%
×17story building
+274ft-78ft

Overall

3263

Males

2074

M25-29

472

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M25-29

-

6.62M→10.65M

6.6 - 10.7 mi

Top 69%
×21story building
+153ft-361ft

Overall

4175

Males

2515

M25-29

566

10.65M→Finish

10.7 - 13.1 mi

Top 65%
×17story building
+244ft-114ft

Overall

3941

Males

2363

M25-29

539

Passing Analysis

Category:
Athletes Passed
1409*
Passed By
1021
Net Change
+388
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#3872
1.40M → 2.13M88829+859#3872#3013
2.13M → 6.43M218*335-117#3013#3130
6.43M → 6.62M2305+225#3130#2905
6.62M → 10.65M21*507-486#2905#3391
10.65M → Finish52*145-93#3391#3484
TOTALS1409*1021+388

* 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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The San Francisco Marathon

The San Francisco Marathon

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