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SF MARATHON 1ST HALF 2023

Niya Huang

Bib: 11238•F•Age: 33

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
9:49/mi
13:44
→ flat
2.13M
21:11/mi
29:12
→ flat
6.43M
14:24/mi
1:31:05
↑ 274↓ 780.9%
6.62M
-47:-6/mi
1:22:19
↑ 161.6%
10.65M
12:11/mi
2:11:27
↑ 153↓ 3611.0%
Finish· 13.11 mi
11:57/mi
2:40:51
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:22:19
Pace12:26 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:18:32
Pace12:06 /mi
📊Negative Split: 4.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi07:08:1113:449:4913:44
9:49
-
2.13M
2.13 mi07:23:3929:1213:4315:28
21:11
+11:22
6.43M
6.43 mi08:25:321:31:0514:101:01:53
14:24
-6:47
6.62M
6.62 mi08:16:461:22:1912:26
-47:-6
-61:30
10.65M
10.65 mi09:05:542:11:2712:2149:08
12:11
+59:17
Finish
13.11 mi09:35:182:40:5112:1629:24
11:57
-0:14

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

-48:-6 /mi

Average Pace

12:16 /mi

Slowest Pace

21:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:51

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 12:16 /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 mi07:08:1113:449:4913:44
9:49
#3750
2.13M
2.13 mi07:23:3929:1213:4315:28
21:11
#4128
6.43M
6.43 mi08:25:321:31:0514:101:01:53
14:24
#4869
6.62M
6.62 mi08:16:461:22:1912:26
-47:-6
#4772
10.65M
10.65 mi09:05:542:11:2712:2149:08
12:11
#4909
Finish
13.11 mi09:35:182:40:5112:1629:24
11:57
#4892
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
1.40M1.40 mi1.40 mi375014143033750(Top 62%)1414(Top 52%)303(Top 54%)
2.13M2.13 mi0.73 mi4128-3781598-184329-264599(Top 76%)1861(Top 68%)374(Top 67%)
6.43M6.43 mi4.30 mi4869-7411998-400413-845128(Top 84%)2157(Top 79%)447(Top 80%)
6.62M6.62 mi0.19 mi4772+971941+57405+8---
10.65M10.65 mi4.03 mi4909-1372025-84419-145103(Top 84%)2172(Top 80%)448(Top 80%)
Finish13.11 mi2.46 mi4892+172026-1420-14890(Top 81%)2089(Top 76%)434(Top 78%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 62%
~flat
+3ft-2ft

Overall

3750

Females

1414

F30-34

303

1.40M→2.13M

1.4 - 2.1 mi

Top 76%
~flat
+3ft-1ft

Overall

4599

Females

1861

F30-34

374

2.13M→6.43M

2.1 - 6.4 mi

Top 84%
×17story building
+274ft-78ft

Overall

5128

Females

2157

F30-34

447

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 84%
×21story building
+153ft-361ft

Overall

5103

Females

2172

F30-34

448

10.65M→Finish

10.7 - 13.1 mi

Top 81%
×17story building
+244ft-114ft

Overall

4890

Females

2089

F30-34

434

Passing Analysis

Category:
Athletes Passed
394*
Passed By
1536
Net Change
-1142
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#3750
1.40M → 2.13M73451-378#3750#4128
2.13M → 6.43M74*815-741#4128#4869
6.43M → 6.62M11720+97#4869#4772
6.62M → 10.65M61*198-137#4772#4909
10.65M → Finish69*52+17#4909#4892
TOTALS394*1536-1142

* 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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