David Ma

Bib: 26653MAge: 31

Milpitas, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Top 47%
Gender (Male)
#0 / 2065
Division (M30-34)
#0 / 453
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
10:58/mi
21:57
138680.7%
4M
9:46/mi
41:29
1631.4%
6M
11:57/mi
1:05:24
55830.3%
8M
7:11/mi
1:19:47
651510.8%
10M
9:41/mi
1:39:08
611741.1%
12M
10:21/mi
1:59:51
41530.1%
Finish· 13.11 mi
10:00/mi
2:10:57
→ flat

The Course

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Half Splits

1st Half· via 6M⚖️ Balanced
Distance6.00 mi
Time1:05:24
Pace10:54 /mi
2nd Half⚖️ Balanced
Distance7.11 mi
Time1:05:33
Pace9:13 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:11:0521:5710:5821:57
10:58
-
4M
4.00 mi09:30:3741:2910:2219:32
9:46
-1:12
6M
6.00 mi09:54:321:05:2410:5423:55
11:57
+2:11
8M
8.00 mi10:08:551:19:479:5814:23
7:11
-4:46
10M
10.00 mi10:28:161:39:089:5519:21
9:41
+2:30
12M
12.00 mi10:48:591:59:519:5920:43
10:21
+0:40
Finish
13.11 mi11:00:052:10:579:5911:06
10:00
-0:21

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

7:11 /mi

Average Pace

9:59 /mi

Slowest Pace

11:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

14:23

11% of race

Time at Steady Pace

1:10:42

54% of race

Time at Slower Pace

45:52

35% of race

Average Pace: 9:59 /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 mi09:11:0521:5710:5821:57
10:58
#2824
4M
4.00 mi09:30:3741:2910:2219:32
9:46
#2463
6M
6.00 mi09:54:321:05:2410:5423:55
11:57
#2196
8M
8.00 mi10:08:551:19:479:5814:23
7:11
#2059
10M
10.00 mi10:28:161:39:089:5519:21
9:41
#1884
12M
12.00 mi10:48:591:59:519:5920:43
10:21
#1811
Finish
13.11 mi11:00:052:10:579:5911:06
10:00
#1793
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2M2.00 mi2.00 mi282416703791561(Top 41%)1028(Top 50%)228(Top 50%)
4M4.00 mi2.00 mi2463+3611514+156342+372184(Top 57%)1376(Top 67%)314(Top 69%)
6M6.00 mi2.00 mi2196+2671393+121316+261830(Top 48%)1219(Top 59%)272(Top 60%)
8M8.00 mi2.00 mi2059+1371337+56306+101520(Top 40%)1033(Top 50%)232(Top 51%)
10M10.00 mi2.00 mi1884+1751241+96276+301408(Top 37%)960(Top 46%)209(Top 46%)
12M12.00 mi2.00 mi1811+731193+48264+121561(Top 41%)1028(Top 50%)228(Top 50%)
Finish13.11 mi1.11 mi1793+181176+17262+21582(Top 41%)1031(Top 50%)227(Top 50%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 41%
×9story building
+138ft-68ft

Overall

1561

Males

1028

M30-34

228

2M→4M

2.0 - 4.0 mi

Top 57%
×13story building
+163ft-19ft

Overall

2184

Males

1376

M30-34

314

4M→6M

4.0 - 6.0 mi

Top 48%
×4story building
+55ft-83ft

Overall

1830

Males

1219

M30-34

272

6M→8M

6.0 - 8.0 mi

Top 40%
×10story building
+65ft-151ft

Overall

1520

Males

1033

M30-34

232

8M→10M

8.0 - 10.0 mi

Top 37%
×10story building
+61ft-174ft

Overall

1408

Males

960

M30-34

209

10M→12M

10.0 - 12.0 mi

Top 41%
×3story building
+41ft-53ft

Overall

1561

Males

1028

M30-34

228

12M→Finish

12.0 - 13.1 mi

Top 41%
×1human
+6ft-6ft

Overall

1582

Males

1031

M30-34

227

Passing Analysis

Category:
Athletes Passed
1073*
Passed By
42
Net Change
+1031
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2824
2M4M3643+361#2824#2463
4M6M2758+267#2463#2196
6M8M1381+137#2196#2059
8M10M180*5+175#2059#1884
10M12M829+73#1884#1811
12MFinish34*16+18#1811#1793
TOTALS1073*42+1031

* 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