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SF MARATHON 1ST HALF 2023

Michael Ding

Mountain View, CA

Bib: 15978 M 20

0:00
0:00
/ mi
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Overall
#0 / 6072
Top 45%
Gender (Male)
#0 / 3331
M20-29
#0 / 333
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
8:21/mi
11:42
→ flat
11 ft elev
2.13M
18:08/mi
24:56
→ flat
13 ft elev
6.43M
11:45/mi
1:15:29
↑ 274↓ 780.9%
213 ft elev
6.62M
-39:-45/mi
1:08:07
↑ 161.6%
239 ft elev
10.65M
10:10/mi
1:49:07
↑ 153↓ 3611.0%
48 ft elev
Finish· 13.11 mi
10:08/mi
2:14:01
↑ 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
1:08:0710:17 /mi+3.3%
2nd Half
1:05:5410:09 /mi✓ faster
Negative split — 3.3% 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
11:428:211.40 mi11:42
8:21
-
2.13M
24:5611:420.73 mi13:14
18:08
+9:47
6.43M
1:15:2911:444.30 mi50:33
11:45
-6:23
6.62M
1:08:0710:170.19 mi
-39:-45
-51:30
10.65M
1:49:0710:154.03 mi41:00
10:10
+49:55
Finish(13.11 mi)
2:14:0110:132.46 mi24:54
10:08
-0:02
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-40:-45 /mi

Average Pace

10:13 /mi

Slowest Pace

18:08 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:14:01

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:13 /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. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
1.40M1.40 mi13539601391353960139
2.13M0.73 mi1718-3651195-235174-3522121485202
6.43M4.30 mi2419-7011637-442211-3728631863230
6.62M0.19 mi2251+1681538+99208+3---
10.65M4.03 mi2590-3391717-179217-931982023242
Finish(13.11 mi)2.46 mi2743-1531799-82227-1034862152252

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 22%
~flat
+3ft-2ft

Overall

1353

Males

960

M20-24

139

1.40M→2.13M

1.4 - 2.1 mi

Top 36%
~flat
+3ft-1ft

Overall

2212

Males

1485

M20-24

202

2.13M→6.43M

2.1 - 6.4 mi

Top 47%
×17story building
+274ft-78ft

Overall

2863

Males

1863

M20-24

230

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M20-24

-

6.62M→10.65M

6.6 - 10.7 mi

Top 53%
×21story building
+153ft-361ft

Overall

3198

Males

2023

M20-24

242

10.65M→Finish

10.7 - 13.1 mi

Top 57%
×17story building
+244ft-114ft

Overall

3486

Males

2152

M20-24

252

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#1353
1.40M → 2.13M
38116-365
#1353 → #1718
2.13M → 6.43M
73534*-701
#1718 → #2419
6.43M → 6.62M
8176+168
#2419 → #2251
6.62M → 10.65M
37233*-339
#2251 → #2590
10.65M → Finish
18734*-153
#2590 → #2743
TOTALS
1683293*-1390
#1353 → #2743

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

Passing Visualized

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Passing Circle

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Position Flow

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Race Lanes

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