Niels Larson

Bib: 9031MAge: 30

Atherton, CA

0:00
0:00
/ mi
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Overall
#0 / 5177
Top 25%
Gender (Male)
#0 / 2862
Top 34%
Division (M30-34)
#0 / 642
Top 37%
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
11:40/mi
24:52
→ flat
6.62M
8:36/mi
1:03:27
299780.9%
7.12M
12:32/mi
1:09:43
271.0%
10.65M
8:19/mi
1:39:06
1273601.3%
Finish· 13.11 mi
8:32/mi
2:00:04
2441141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:03:27
Pace9:35 /mi
2nd Half✓ Faster
Distance6.49 mi
Time56:37
Pace8:44 /mi
📊Negative Split: 10.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2.13M
2.13 mi07:40:0024:5211:4024:52
11:40
-
6.62M
6.62 mi08:18:351:03:279:3538:35
8:36
-3:04
7.12M
7.12 mi08:24:511:09:439:476:16
12:32
+3:56
10.65M
10.65 mi08:54:141:39:069:1829:23
8:19
-4:13
Finish
13.11 mi09:15:122:00:049:1020:58
8:32
+0:13

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

8:19 /mi

Average Pace

9:10 /mi

Slowest Pace

12:32 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

1:28:56

74% of race

Time at Slower Pace

31:08

26% of race

Average Pace: 9:10 /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.

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
2.13M
2.13 mi07:40:0024:5211:4024:52
11:40
#1686
6.62M
6.62 mi08:18:351:03:279:3538:35
8:36
#1305
7.12M
7.12 mi08:24:511:09:439:476:16
12:32
#1344
10.65M
10.65 mi08:54:141:39:069:1829:23
8:19
#1267
Finish
13.11 mi09:15:122:00:049:1020:58
8:32
#1294
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2.13M2.13 mi2.13 mi168612072841686(Top 33%)1207(Top 42%)284(Top 44%)
6.62M6.62 mi4.49 mi1305+381977+230231+531115(Top 22%)854(Top 30%)204(Top 32%)
7.12M7.12 mi0.50 mi1344-391012-35243-121821(Top 35%)1307(Top 46%)322(Top 50%)
10.65M10.65 mi3.53 mi1267+77959+53237+61185(Top 23%)901(Top 31%)224(Top 35%)
Finish13.11 mi2.46 mi1294-27970-11240-31476(Top 29%)1055(Top 37%)257(Top 40%)

Segment Performance Analysis

Start → 2.13M

0.0 - 2.1 mi

Top 33%
~flat
+6ft-3ft

Overall

1686

Males

1207

M30-34

284

2.13M→6.62M

2.1 - 6.6 mi

Top 22%
×19story building
+299ft-78ft

Overall

1115

Males

854

M30-34

204

6.62M→7.12M

6.6 - 7.1 mi

Top 35%
×2story building
+27ft-0ft

Overall

1821

Males

1307

M30-34

322

7.12M→10.65M

7.1 - 10.7 mi

Top 23%
×21story building
+127ft-360ft

Overall

1185

Males

901

M30-34

224

10.65M→Finish

10.7 - 13.1 mi

Top 29%
×17story building
+244ft-114ft

Overall

1476

Males

1055

M30-34

257

Passing Analysis

Category:
Athletes Passed
571*
Passed By
179
Net Change
+392
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2.13M----#1686
2.13M6.62M408*27+381#1686#1305
6.62M7.12M2362-39#1305#1344
7.12M10.65M101*24+77#1344#1267
10.65MFinish39*66-27#1267#1294
TOTALS571*179+392

* 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