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SF MARATHON 1ST HALF 2023

Marissa Yu

Bib: 12907•F•Age: 32

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 6072
Gender (Female)
#0 / 2732
Division (F30-34)
#0 / 557
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
8:54/mi
12:27
→ flat
2.13M
20:16/mi
27:15
→ flat
6.43M
12:55/mi
1:22:46
↑ 274↓ 780.9%
6.62M
-40:-21/mi
1:15:17
↑ 161.6%
10.65M
11:01/mi
1:59:40
↑ 153↓ 3611.0%
Finish· 13.11 mi
10:21/mi
2:25:07
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:15:17
Pace11:22 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:09:50
Pace10:46 /mi
📊Negative Split: 7.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi07:01:1312:278:5412:27
8:54
-
2.13M
2.13 mi07:16:0127:1512:4814:48
20:16
+11:22
6.43M
6.43 mi08:11:321:22:4612:5255:31
12:55
-7:21
6.62M
6.62 mi08:04:031:15:1711:22
-40:-21
-53:16
10.65M
10.65 mi08:48:261:59:4011:1444:23
11:01
+51:22
Finish
13.11 mi09:13:532:25:0711:0425:27
10:21
-0:40

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

-41:-21 /mi

Average Pace

11:04 /mi

Slowest Pace

20:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:07

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:04 /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 mi07:01:1312:278:5412:27
8:54
#2207
2.13M
2.13 mi07:16:0127:1512:4814:48
20:16
#3042
6.43M
6.43 mi08:11:321:22:4612:5255:31
12:55
#3698
6.62M
6.62 mi08:04:031:15:1711:22
-40:-21
#3664
10.65M
10.65 mi08:48:261:59:4011:1444:23
11:01
#3841
Finish
13.11 mi09:13:532:25:0711:0425:27
10:21
#3790
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
1.40M1.40 mi1.40 mi22077181702207(Top 36%)718(Top 26%)170(Top 31%)
2.13M2.13 mi0.73 mi3042-8351091-373231-613970(Top 65%)1538(Top 56%)315(Top 57%)
6.43M6.43 mi4.30 mi3698-6561392-301287-564037(Top 66%)1555(Top 57%)316(Top 57%)
6.62M6.62 mi0.19 mi3664+341377+15284+3---
10.65M10.65 mi4.03 mi3841-1771456-79305-214181(Top 69%)1658(Top 61%)346(Top 62%)
Finish13.11 mi2.46 mi3790+511446+10301+43702(Top 61%)1447(Top 53%)313(Top 56%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 36%
~flat
+3ft-2ft

Overall

2207

Females

718

F30-34

170

1.40M→2.13M

1.4 - 2.1 mi

Top 65%
~flat
+3ft-1ft

Overall

3970

Females

1538

F30-34

315

2.13M→6.43M

2.1 - 6.4 mi

Top 66%
×17story building
+274ft-78ft

Overall

4037

Females

1555

F30-34

316

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Females

-

F30-34

-

6.62M→10.65M

6.6 - 10.7 mi

Top 69%
×21story building
+153ft-361ft

Overall

4181

Females

1658

F30-34

346

10.65M→Finish

10.7 - 13.1 mi

Top 61%
×17story building
+244ft-114ft

Overall

3702

Females

1447

F30-34

313

Passing Analysis

Category:
Athletes Passed
377*
Passed By
1960
Net Change
-1583
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#2207
1.40M → 2.13M22857-835#2207#3042
2.13M → 6.43M94*750-656#3042#3698
6.43M → 6.62M8349+34#3698#3664
6.62M → 10.65M62*239-177#3664#3841
10.65M → Finish116*65+51#3841#3790
TOTALS377*1960-1583

* 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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