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SF MARATHON 1ST HALF 2023

Nishan Samarasinghe

San Francisco, CA

Bib: 16451 M 27

0:00
0:00
/ mi
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Overall
#0 / 6072
Gender (Male)
#0 / 3331
Division (M25-29)
#0 / 688
Race Day Weather
60°/50°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.40M
10:31/mi
14:44
→ flat
11 ft elev
2.13M
20:41/mi
29:50
→ flat
13 ft elev
6.43M
12:04/mi
1:21:41
↑ 274↓ 780.9%
213 ft elev
6.62M
-37:-44/mi
1:14:42
↑ 161.6%
239 ft elev
10.65M
9:37/mi
1:53:29
↑ 153↓ 3611.0%
48 ft elev
Finish· 13.11 mi
9:36/mi
2:17:05
↑ 244↓ 1141.0%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:14:4211:17 /mi+16.5%
2nd Half
1:02:239:37 /mi✓ faster
Negative split — 16.5% faster in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
1.40M
14:4410:311.40 mi14:44
10:31
-
2.13M
29:5014:000.73 mi15:06
20:41
+10:10
6.43M
1:21:4112:424.30 mi51:51
12:04
-8:37
6.62M
1:14:4211:170.19 mi
-37:-44
-49:48
10.65M
1:53:2910:394.03 mi38:47
9:37
+47:21
Finish(13.11 mi)
2:17:0510:272.46 mi23:36
9:36
-0:01
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-38:-44 /mi

Average Pace

10:27 /mi

Slowest Pace

20:41 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:17:05

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:27 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
1.40M1.40 mi4717278859847172788598
2.13M0.73 mi4406+3112659+129574+2442542557562
6.43M4.30 mi3518+8882209+450498+7631972037461
6.62M0.19 mi3556-382220-11502-4---
10.65M4.03 mi3152+4042024+196462+4024891648387
Finish(13.11 mi)2.46 mi3066+861969+55455+728561815418

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 78%
~flat
+3ft-2ft

Overall

4717

Males

2788

M25-29

601

1.40M→2.13M

1.4 - 2.1 mi

Top 70%
~flat
+3ft-1ft

Overall

4254

Males

2557

M25-29

568

2.13M→6.43M

2.1 - 6.4 mi

Top 53%
×17story building
+274ft-78ft

Overall

3197

Males

2037

M25-29

463

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M25-29

-

6.62M→10.65M

6.6 - 10.7 mi

Top 41%
×21story building
+153ft-361ft

Overall

2489

Males

1648

M25-29

388

10.65M→Finish

10.7 - 13.1 mi

Top 47%
×17story building
+244ft-114ft

Overall

2856

Males

1815

M25-29

418

Passing Analysis

Category:
Passed
1955*
Passed By
304
Net Change
+1651
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#4717
1.40M → 2.13M38776+311#4717#4406
2.13M → 6.43M957*69+888#4406#3518
6.43M → 6.62M4886-38#3518#3556
6.62M → 10.65M429*25+404#3556#3152
10.65M → Finish134*48+86#3152#3066
TOTALS1955*304+1651

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Charts

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Passing Circle

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Position Flow

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Race Lanes

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