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SF MARATHON 1ST HALF 2023

Kunmin Li

Redwood City, CA

Bib: 13279 M 29

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
1.40M
10:25/mi
14:35
→ flat
2.13M
20:57/mi
29:53
→ flat
6.43M
12:18/mi
1:22:47
↑ 274↓ 78
6.62M
-37:-23/mi
1:15:52
↑ 16
10.65M
10:21/mi
1:57:36
↑ 153↓ 361
Finish· 13.11 mi
10:05/mi
2:22:23
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:15:5211:28 /mi+12.3%
2nd Half
1:06:3110:15 /mi✓ faster
Negative split — 12.3% 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
14:3510:251.40 mi14:35
10:25
-
2.13M
29:5314:020.73 mi15:18
20:57
+10:32
6.43M
1:22:4712:524.30 mi52:54
12:18
-8:39
6.62M
1:15:5211:280.19 mi
-37:-23
-49:41
10.65M
1:57:3611:034.03 mi41:44
10:21
+47:44
Finish(13.11 mi)
2:22:2310:522.46 mi24:47
10:05
-0:16
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-38:-23 /mi

Average Pace

10:52 /mi

Slowest Pace

20:57 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:22:23

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:52 /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 mi4579272759145792727591
2.13M0.73 mi4436+1432676+51581+1044362655581
6.43M4.30 mi3702+7342305+371521+6034532168491
6.62M0.19 mi3774-722347-42526-5---
10.65M4.03 mi3609+1652250+97506+2034322142494
Finish(13.11 mi)2.46 mi3563+462222+2850634312118482

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 75%
~flat
+3ft-2ft

Overall

4579

Males

2727

M25-29

594

1.40M→2.13M

1.4 - 2.1 mi

Top 73%
~flat
+3ft-1ft

Overall

4436

Males

2655

M25-29

587

2.13M→6.43M

2.1 - 6.4 mi

Top 57%
×17story building
+274ft-78ft

Overall

3453

Males

2168

M25-29

493

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 57%
×21story building
+153ft-361ft

Overall

3432

Males

2142

M25-29

495

10.65M→Finish

10.7 - 13.1 mi

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

Overall

3431

Males

2118

M25-29

482

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#4579
1.40M → 2.13M
114257+143
#4579 → #4436
2.13M → 6.43M
82816*+734
#4436 → #3702
6.43M → 6.62M
10533-72
#3702 → #3774
6.62M → 10.65M
49214*+165
#3774 → #3609
10.65M → Finish
71117*+46
#3609 → #3563
TOTALS
4211437*+1016
#4579 → #3563

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

Passing Visualized

Category:
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Passing Circle

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Position Flow

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Race Lanes

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The San Francisco Marathon

The San Francisco Marathon

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