James Sun

San Francisco, CA

Bib: 18430 M 30

0:00
0:00
/ mi
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Overall
#0 / 7100
Gender (Male)
#0 / 3977
Division (M30-34)
#0 / 872
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
10:36/mi
19:12
→ flat
12 ft elev
5.34M
10:50/mi
57:27
8074
19 ft elev
6.15M
10:51/mi
1:06:14
1262.8%
149 ft elev
10.54M
10:34/mi
1:52:37
2303610.6%
20 ft elev
11.05M
16:59/mi
2:01:17
1726.4%
213 ft elev
Finish· 13.11 mi
13:42/mi
2:29:29
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
Time1:06:14
Pace10:46 /mi
2nd Half
Distance6.96 mi
Time1:23:15
Pace11:58 /mi
📊Positive Split: 25.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi07:05:3019:1210:3619:12
10:36
-
5.34M
5.34 mi07:43:4557:2710:4538:15
10:50
+0:14
6.15M
6.15 mi07:52:321:06:1410:468:47
10:51
+0:01
10.54M
10.54 mi08:38:551:52:3710:4146:23
10:34
-0:17
11.05M
11.05 mi08:47:352:01:1710:598:40
16:59
+6:25
Finish
13.11 mi09:15:472:29:2911:2428:12
13:42
-3:17

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

10:34 /mi

Average Pace

11:24 /mi

Slowest Pace

16:59 /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

1:52:37

75% of race

Time at Slower Pace

36:52

25% of race

Average Pace: 11:24 /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.

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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 mi07:05:3019:1210:3619:12
10:36
#5104
5.34M
5.34 mi07:43:4557:2710:4538:15
10:50
#4866
6.15M
6.15 mi07:52:321:06:1410:468:47
10:51
#4711
10.54M
10.54 mi08:38:551:52:3710:4146:23
10:34
#4157
11.05M
11.05 mi08:47:352:01:1710:598:40
16:59
#4265
Finish
13.11 mi09:15:472:29:2911:2428:12
13:42
#4732
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
1.81M1.81 mi1.81 mi510431416865104(Top 72%)3141(Top 79%)686(Top 79%)
5.34M5.34 mi3.53 mi4866+2383023+118657+294801(Top 68%)2999(Top 75%)652(Top 75%)
6.15M6.15 mi0.81 mi4711+1552958+65644+133924(Top 55%)2553(Top 64%)554(Top 64%)
10.54M10.54 mi4.39 mi4157+5542679+279577+673691(Top 52%)2422(Top 61%)527(Top 60%)
11.05M11.05 mi0.51 mi4265-1082736-57600-235181(Top 73%)3115(Top 78%)683(Top 78%)
Finish13.11 mi2.06 mi4732-4672933-197637-376091(Top 86%)3475(Top 87%)754(Top 86%)

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 72%
~flat
+4ft-3ft

Overall

5104

Males

3141

M30-34

686

1.81M→5.34M

1.8 - 5.3 mi

Top 68%
×4story building
+80ft-74ft

Overall

4801

Males

2999

M30-34

652

5.34M→6.15M

5.3 - 6.2 mi

Top 55%
×10story building
+126ft-4ft

Overall

3924

Males

2553

M30-34

554

6.15M→10.54M

6.2 - 10.5 mi

Top 52%
×21story building
+230ft-361ft

Overall

3691

Males

2422

M30-34

527

10.54M→11.05M

10.5 - 11.1 mi

Top 73%
×14story building
+172ft-0ft

Overall

5181

Males

3115

M30-34

683

11.05M→Finish

11.1 - 13.1 mi

Top 86%
×7story building
+97ft-114ft

Overall

6091

Males

3475

M30-34

754

Passing Analysis

Category:
Athletes Passed
1175*
Passed By
803
Net Change
+372
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#5104
1.81M5.34M391*153+238#5104#4866
5.34M6.15M17217+155#4866#4711
6.15M10.54M576*22+554#4711#4157
10.54M11.05M16124-108#4157#4265
11.05MFinish20*487-467#4265#4732
TOTALS1175*803+372

* 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