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SF MARATHON 1ST HALF 2023

Nina Kallsen

Bib: 13704•F•Age: 26

Denver, CO

0:00
0:00
/ mi
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Overall
#0 / 6072
Gender (Female)
#0 / 2732
Division (F25-29)
#0 / 629
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
10:23/mi
14:32
→ flat
2.13M
21:17/mi
30:04
→ flat
6.43M
14:49/mi
1:33:48
↑ 274↓ 780.9%
6.62M
-40:-42/mi
1:26:15
↑ 161.6%
10.65M
10:31/mi
2:08:39
↑ 153↓ 3611.0%
Finish· 13.11 mi
9:53/mi
2:32:56
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:26:15
Pace13:02 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:06:41
Pace10:17 /mi
📊Negative Split: 22.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi07:11:4714:3210:2314:32
10:23
-
2.13M
2.13 mi07:27:1930:0414:0715:32
21:17
+10:54
6.43M
6.43 mi08:31:031:33:4814:351:03:44
14:49
-6:28
6.62M
6.62 mi08:23:301:26:1513:02
-40:-42
-55:31
10.65M
10.65 mi09:05:542:08:3912:0542:24
10:31
+51:13
Finish
13.11 mi09:30:112:32:5611:4024:17
9:53
-0:38

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:-42 /mi

Average Pace

11:40 /mi

Slowest Pace

21:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:56

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:40 /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 mi07:11:4714:3210:2314:32
10:23
#4546
2.13M
2.13 mi07:27:1930:0414:0715:32
21:17
#4520
6.43M
6.43 mi08:31:031:33:4814:351:03:44
14:49
#5135
6.62M
6.62 mi08:23:301:26:1513:02
-40:-42
#5182
10.65M
10.65 mi09:05:542:08:3912:0542:24
10:31
#4722
Finish
13.11 mi09:30:112:32:5611:4024:17
9:53
#4414
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
1.40M1.40 mi1.40 mi454618264724546(Top 75%)1826(Top 67%)472(Top 75%)
2.13M2.13 mi0.73 mi4520+261809+17473-14655(Top 77%)1895(Top 69%)485(Top 77%)
6.43M6.43 mi4.30 mi5135-6152142-333542-695311(Top 87%)2260(Top 83%)559(Top 89%)
6.62M6.62 mi0.19 mi5182-472169-27548-6---
10.65M10.65 mi4.03 mi4722+4601917+252500+483638(Top 60%)1390(Top 51%)358(Top 57%)
Finish13.11 mi2.46 mi4414+3081762+155461+393178(Top 52%)1186(Top 43%)311(Top 49%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 75%
~flat
+3ft-2ft

Overall

4546

Females

1826

F25-29

474

1.40M→2.13M

1.4 - 2.1 mi

Top 77%
~flat
+3ft-1ft

Overall

4655

Females

1895

F25-29

490

2.13M→6.43M

2.1 - 6.4 mi

Top 87%
×17story building
+274ft-78ft

Overall

5311

Females

2260

F25-29

561

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Females

-

F25-29

-

6.62M→10.65M

6.6 - 10.7 mi

Top 60%
×21story building
+153ft-361ft

Overall

3638

Females

1390

F25-29

358

10.65M→Finish

10.7 - 13.1 mi

Top 52%
×17story building
+244ft-114ft

Overall

3178

Females

1186

F25-29

311

Passing Analysis

Category:
Athletes Passed
1098*
Passed By
966
Net Change
+132
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#4546
1.40M → 2.13M197171+26#4546#4520
2.13M → 6.43M67*682-615#4520#5135
6.43M → 6.62M5097-47#5135#5182
6.62M → 10.65M468*8+460#5182#4722
10.65M → Finish316*8+308#4722#4414
TOTALS1098*966+132

* 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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