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SF MARATHON 1ST HALF 2023

James Li

Bib: 11380•M•Age: 26

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
10:10/mi
14:14
→ flat
2.13M
20:44/mi
29:22
→ flat
6.43M
11:55/mi
1:20:38
↑ 274↓ 780.9%
6.62M
-34:-19/mi
1:14:18
↑ 161.6%
10.65M
10:03/mi
1:54:49
↑ 153↓ 3611.0%
Finish· 13.11 mi
9:58/mi
2:19:20
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:14:18
Pace11:13 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:05:02
Pace10:01 /mi
📊Negative Split: 12.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi07:08:2614:1410:1014:14
10:10
-
2.13M
2.13 mi07:23:3429:2213:4715:08
20:44
+10:34
6.43M
6.43 mi08:14:501:20:3812:3251:16
11:55
-8:49
6.62M
6.62 mi08:08:301:14:1811:13
-34:-19
-46:14
10.65M
10.65 mi08:49:011:54:4910:4740:31
10:03
+44:22
Finish
13.11 mi09:13:322:19:2010:3824:31
9:58
-0:05

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

-35:-19 /mi

Average Pace

10:38 /mi

Slowest Pace

20:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:19:20

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:38 /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 mi07:08:2614:1410:1014:14
10:10
#4242
2.13M
2.13 mi07:23:3429:2213:4715:08
20:44
#4188
6.43M
6.43 mi08:14:501:20:3812:3251:16
11:55
#3367
6.62M
6.62 mi08:08:301:14:1811:13
-34:-19
#3487
10.65M
10.65 mi08:49:011:54:4910:4740:31
10:03
#3295
Finish
13.11 mi09:13:322:19:2010:3824:31
9:58
#3291
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
1.40M1.40 mi1.40 mi424225725674242(Top 70%)2572(Top 77%)567(Top 82%)
2.13M2.13 mi0.73 mi4188+542554+18562+54277(Top 70%)2571(Top 77%)563(Top 82%)
6.43M6.43 mi4.30 mi3367+8212133+421484+783049(Top 50%)1960(Top 59%)447(Top 65%)
6.62M6.62 mi0.19 mi3487-1202184-51495-11---
10.65M10.65 mi4.03 mi3295+1922096+88478+173035(Top 50%)1946(Top 58%)454(Top 66%)
Finish13.11 mi2.46 mi3291+42081+15475+33283(Top 54%)2034(Top 61%)466(Top 68%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 70%
~flat
+3ft-2ft

Overall

4242

Males

2572

M25-29

570

1.40M→2.13M

1.4 - 2.1 mi

Top 70%
~flat
+3ft-1ft

Overall

4277

Males

2571

M25-29

569

2.13M→6.43M

2.1 - 6.4 mi

Top 50%
×17story building
+274ft-78ft

Overall

3049

Males

1960

M25-29

449

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 50%
×21story building
+153ft-361ft

Overall

3035

Males

1946

M25-29

455

10.65M→Finish

10.7 - 13.1 mi

Top 54%
×17story building
+244ft-114ft

Overall

3283

Males

2034

M25-29

466

Passing Analysis

Category:
Athletes Passed
1439*
Passed By
488
Net Change
+951
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#4242
1.40M → 2.13M193139+54#4242#4188
2.13M → 6.43M888*67+821#4188#3367
6.43M → 6.62M26146-120#3367#3487
6.62M → 10.65M247*55+192#3487#3295
10.65M → Finish85*81+4#3295#3291
TOTALS1439*488+951

* 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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