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SF MARATHON 1ST HALF 2023

Gongjun Chen

San Francisco, CA

Bib: 9972 M 26

0:00
0:00
/ mi
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Overall
#0 / 6072
Top 28%
Gender (Male)
#0 / 3331
Top 36%
Division (M25-29)
#0 / 688
Top 42%
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
7:56/mi
11:07
→ flat
11 ft elev
2.13M
15:42/mi
22:35
→ flat
13 ft elev
6.43M
10:23/mi
1:07:15
↑ 274↓ 780.9%
213 ft elev
6.62M
-29:-29/mi
1:01:50
↑ 161.6%
239 ft elev
10.65M
8:57/mi
1:37:56
↑ 153↓ 3611.0%
48 ft elev
Finish· 13.11 mi
10:31/mi
2:03:47
↑ 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
1:01:509:20 /mi⚖️ balanced
2nd Half
1:01:579:33 /mi⚖️ balanced
Even split — consistent pacing between halves
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
1.40M
11:077:561.40 mi11:07
7:56
-
2.13M
22:3510:360.73 mi11:28
15:42
+7:46
6.43M
1:07:1510:284.30 mi44:40
10:23
-5:19
6.62M
1:01:509:200.19 mi
-29:-29
-39:52
10.65M
1:37:569:124.03 mi36:06
8:57
+38:26
Finish(13.11 mi)
2:03:479:272.46 mi25:51
10:31
+1:34
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-30:-29 /mi

Average Pace

9:27 /mi

Slowest Pace

15:42 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:03:47

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:27 /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 mi801602148801602148
2.13M0.73 mi709+92543+59136+12691521124
6.43M4.30 mi1010-301759-216182-461260934224
6.62M0.19 mi1046-36783-24188-6---
10.65M4.03 mi1221-175914-131216-2815811144264
Finish(13.11 mi)2.46 mi1690-4691196-282287-7138352316525

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 13%
~flat
+3ft-2ft

Overall

801

Males

602

M25-29

150

1.40M→2.13M

1.4 - 2.1 mi

Top 11%
~flat
+3ft-1ft

Overall

691

Males

521

M25-29

129

2.13M→6.43M

2.1 - 6.4 mi

Top 21%
×17story building
+274ft-78ft

Overall

1260

Males

934

M25-29

226

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 26%
×21story building
+153ft-361ft

Overall

1581

Males

1144

M25-29

265

10.65M→Finish

10.7 - 13.1 mi

Top 63%
×17story building
+244ft-114ft

Overall

3835

Males

2316

M25-29

525

Passing Analysis

Category:
Passed
195*
Passed By
1084
Net Change
-889
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#801
1.40M → 2.13M13139+92#801#709
2.13M → 6.43M25326-301#709#1010
6.43M → 6.62M1450-36#1010#1046
6.62M → 10.65M17*192-175#1046#1221
10.65M → Finish8*477-469#1221#1690
TOTALS195*1084-889

* 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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Public Race Data

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