Brian Song

Bib: 13614MAge: 24

Los Angeles, CA

0:00
0:00
/ mi
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Overall
#0 / 5177
Gender (Male)
#0 / 2862
M20-29
#0 / 280
Race Day Weather
56°/46°F
overcast clouds

⏱️ Race Timeline

Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2.13M
13:36/mi
28:59
→ flat
6.62M
11:48/mi
1:21:58
299780.9%
7.12M
15:14/mi
1:29:35
271.0%
10.65M
12:36/mi
2:14:04
1273601.3%
Finish· 13.11 mi
16:58/mi
2:55:48
2441141.0%

The Course

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Half Splits

1st Half· via 6.62MFaster
Distance6.62 mi
Time1:21:58
Pace12:23 /mi
2nd Half
Distance6.49 mi
Time1:33:50
Pace14:28 /mi
📊Positive Split: 14.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2.13M
2.13 mi07:35:5328:5913:3628:59
13:36
-
6.62M
6.62 mi08:28:521:21:5812:2352:59
11:48
-1:48
7.12M
7.12 mi08:36:291:29:3512:357:37
15:14
+3:26
10.65M
10.65 mi09:20:582:14:0412:3544:29
12:36
-2:38
Finish
13.11 mi10:02:422:55:4813:2541:44
16:58
+4:22

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

11:48 /mi

Average Pace

13:25 /mi

Slowest Pace

16:58 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:28

55% of race

Time at Steady Pace

28:59

16% of race

Time at Slower Pace

49:21

28% of race

Average Pace: 13:25 /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
2.13M
2.13 mi07:35:5328:5913:3628:59
13:36
#3811
6.62M
6.62 mi08:28:521:21:5812:2352:59
11:48
#4288
7.12M
7.12 mi08:36:291:29:3512:357:37
15:14
#4211
10.65M
10.65 mi09:20:582:14:0412:3544:29
12:36
#4446
Finish
13.11 mi10:02:422:55:4813:2541:44
16:58
#4854
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
2.13M2.13 mi2.13 mi381123082403811(Top 74%)2308(Top 81%)240(Top 86%)
6.62M6.62 mi4.49 mi4288-4772511-203255-154433(Top 86%)2568(Top 90%)260(Top 93%)
7.12M7.12 mi0.50 mi4211+772481+30254+13426(Top 66%)2134(Top 75%)233(Top 83%)
10.65M10.65 mi3.53 mi4446-2352578-97263-94784(Top 92%)2697(Top 94%)270(Top 96%)
Finish13.11 mi2.46 mi4854-4082746-168272-95163(Top 100%)2853(Top 100%)280(Top 100%)

Segment Performance Analysis

Start → 2.13M

0.0 - 2.1 mi

Top 74%
~flat
+6ft-3ft

Overall

3811

Males

2308

M20-24

240

2.13M→6.62M

2.1 - 6.6 mi

Top 86%
×19story building
+299ft-78ft

Overall

4433

Males

2568

M20-24

260

6.62M→7.12M

6.6 - 7.1 mi

Top 66%
×2story building
+27ft-0ft

Overall

3426

Males

2134

M20-24

233

7.12M→10.65M

7.1 - 10.7 mi

Top 92%
×21story building
+127ft-360ft

Overall

4784

Males

2697

M20-24

270

10.65M→Finish

10.7 - 13.1 mi

Top 100%
×17story building
+244ft-114ft

Overall

5163

Males

2853

M20-24

280

Passing Analysis

Category:
Athletes Passed
162*
Passed By
1205
Net Change
-1043
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2.13M----#3811
2.13M6.62M49*526-477#3811#4288
6.62M7.12M86*9+77#4288#4211
7.12M10.65M18*253-235#4211#4446
10.65MFinish9*417-408#4446#4854
TOTALS162*1205-1043

* 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