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SF MARATHON 1ST HALF 2023

Niladri Chatterji

Bib: 12181•M•Age: 30

Palo Alto, CA

0:00
0:00
/ mi
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Overall
#0 / 6072
Top 44%
Gender (Male)
#0 / 3331
Division (M30-34)
#0 / 723
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
9:06/mi
12:44
→ flat
2.13M
19:32/mi
27:00
→ flat
6.43M
11:49/mi
1:17:47
↑ 274↓ 780.9%
6.62M
-32:-39/mi
1:11:46
↑ 161.6%
10.65M
9:42/mi
1:50:53
↑ 153↓ 3611.0%
Finish· 13.11 mi
9:10/mi
2:13:25
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:11:46
Pace10:50 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:01:39
Pace9:30 /mi
📊Negative Split: 14.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi07:07:2612:449:0612:44
9:06
-
2.13M
2.13 mi07:21:4227:0012:4114:16
19:32
+10:26
6.43M
6.43 mi08:12:291:17:4712:0650:47
11:49
-7:43
6.62M
6.62 mi08:06:281:11:4610:50
-32:-39
-44:28
10.65M
10.65 mi08:45:351:50:5310:2539:07
9:42
+42:21
Finish
13.11 mi09:08:072:13:2510:1122:32
9:10
-0:32

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

-33:-39 /mi

Average Pace

10:11 /mi

Slowest Pace

19:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:25

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:11 /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 mi07:07:2612:449:0612:44
9:06
#2550
2.13M
2.13 mi07:21:4227:0012:4114:16
19:32
#2902
6.43M
6.43 mi08:12:291:17:4712:0650:47
11:49
#2847
6.62M
6.62 mi08:06:281:11:4610:50
-32:-39
#3014
10.65M
10.65 mi08:45:351:50:5310:2539:07
9:42
#2800
Finish
13.11 mi09:08:072:13:2510:1122:32
9:10
#2683
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
1.40M1.40 mi1.40 mi255016993692550(Top 42%)1699(Top 51%)369(Top 51%)
2.13M2.13 mi0.73 mi2902-3521879-180412-433409(Top 56%)2151(Top 65%)478(Top 66%)
6.43M6.43 mi4.30 mi2847+551874+5420-82919(Top 48%)1893(Top 57%)430(Top 59%)
6.62M6.62 mi0.19 mi3014-1671940-66432-12---
10.65M10.65 mi4.03 mi2800+2141833+107421+112587(Top 43%)1704(Top 51%)396(Top 55%)
Finish13.11 mi2.46 mi2683+1171764+69406+152319(Top 38%)1518(Top 46%)341(Top 47%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 42%
~flat
+3ft-2ft

Overall

2550

Males

1699

M30-34

371

1.40M→2.13M

1.4 - 2.1 mi

Top 56%
~flat
+3ft-1ft

Overall

3409

Males

2151

M30-34

481

2.13M→6.43M

2.1 - 6.4 mi

Top 48%
×17story building
+274ft-78ft

Overall

2919

Males

1893

M30-34

432

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M30-34

-

6.62M→10.65M

6.6 - 10.7 mi

Top 43%
×21story building
+153ft-361ft

Overall

2587

Males

1704

M30-34

398

10.65M→Finish

10.7 - 13.1 mi

Top 38%
×17story building
+244ft-114ft

Overall

2319

Males

1518

M30-34

341

Passing Analysis

Category:
Athletes Passed
809*
Passed By
942
Net Change
-133
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#2550
1.40M → 2.13M70422-352#2550#2902
2.13M → 6.43M282*227+55#2902#2847
6.43M → 6.62M22189-167#2847#3014
6.62M → 10.65M276*62+214#3014#2800
10.65M → Finish159*42+117#2800#2683
TOTALS809*942-133

* 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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