Tony Shi

Bib: 23359MAge: 27

SF, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Top 9%
Gender (Male)
#0 / 2065
Top 13%
Division (M25-29)
#0 / 503
Top 14%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
15:48
Rank: #427
Start2M
15:48 | 7:54/mi
4M
30:05
Rank: #357 (+70)
2M4M
14:17 | 7:09/mi
6M
49:22
Rank: #393 (-36)
4M6M
19:17 | 9:38/mi
8M
1:00:44
Rank: #347 (+46)
6M8M
11:22 | 5:41/mi
10M
1:16:35
Rank: #352 (-5)
8M10M
15:51 | 7:56/mi
12M
1:33:10
Rank: #359 (-7)
10M12M
16:35 | 8:17/mi
Finish· 13.11 mi
1:41:34
Rank: #343 (+16)
12MFinish
8:24 | 7:34/mi

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time49:22
Pace8:14 /mi
2nd Half
Distance7.11 mi
Time52:12
Pace7:21 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:50:0415:487:5415:48
7:54
-
4M
4.00 mi09:04:2130:057:3114:17
7:09
-0:45
6M
6.00 mi09:23:3849:228:1419:17
9:38
+2:29
8M
8.00 mi09:35:001:00:447:3511:22
5:41
-3:57
10M
10.00 mi09:50:511:16:357:4015:51
7:56
+2:15
12M
12.00 mi10:07:261:33:107:4616:35
8:17
+0:21
Finish
13.11 mi10:15:501:41:347:458:24
7:34
-0:43

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

5:41 /mi

Average Pace

7:45 /mi

Slowest Pace

9:38 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

25:39

25% of race

Time at Steady Pace

56:38

56% of race

Time at Slower Pace

19:17

19% of race

Average Pace: 7:45 /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
2M
2.00 mi08:50:0415:487:5415:48
7:54
#427
4M
4.00 mi09:04:2130:057:3114:17
7:09
#357
6M
6.00 mi09:23:3849:228:1419:17
9:38
#393
8M
8.00 mi09:35:001:00:447:3511:22
5:41
#347
10M
10.00 mi09:50:511:16:357:4015:51
7:56
#352
12M
12.00 mi10:07:261:33:107:4616:35
8:17
#359
Finish
13.11 mi10:15:501:41:347:458:24
7:34
#343
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi42733893402(Top 10%)312(Top 15%)80(Top 16%)
4M4.00 mi2.00 mi357+70288+5080+13315(Top 8%)256(Top 12%)71(Top 14%)
6M6.00 mi2.00 mi393-36314-2685-5445(Top 12%)357(Top 17%)96(Top 19%)
8M8.00 mi2.00 mi347+46279+3576+9260(Top 7%)212(Top 10%)55(Top 11%)
10M10.00 mi2.00 mi352-5283-474+2361(Top 9%)291(Top 14%)75(Top 15%)
12M12.00 mi2.00 mi359-7285-271+3402(Top 10%)312(Top 15%)80(Top 16%)
Finish13.11 mi1.11 mi343+16274+1169+2256(Top 7%)203(Top 10%)60(Top 12%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 10%
×9stories
+138ft-68ft

Overall

402

Males

312

M25-29

80

2M→4M

2.0 - 4.0 mi

Top 8%
×13stories
+163ft-19ft

Overall

315

Males

256

M25-29

71

4M→6M

4.0 - 6.0 mi

Top 12%
×4stories
+55ft-83ft

Overall

445

Males

357

M25-29

96

6M→8M

6.0 - 8.0 mi

Top 7%
×10stories
+65ft-151ft

Overall

260

Males

212

M25-29

55

8M→10M

8.0 - 10.0 mi

Top 9%
×10stories
+61ft-174ft

Overall

361

Males

291

M25-29

75

10M→12M

10.0 - 12.0 mi

Top 10%
×3stories
+41ft-53ft

Overall

402

Males

312

M25-29

80

12M→Finish

12.0 - 13.1 mi

Top 7%
×1human
+6ft-6ft

Overall

256

Males

203

M25-29

60

Passing Analysis

Category:
Athletes Passed
165*
Passed By
81
Net Change
+84
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#427
2M4M766+70#427#357
4M6M844-36#357#393
6M8M471+46#393#347
8M10M10*15-5#347#352
10M12M714-7#352#359
12MFinish171+16#359#343
TOTALS165*81+84

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

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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