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SF MARATHON 1ST HALF 2023

Blake Ziolkowski

San Mateo, CA

Bib: 16514 M 25

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
11:06/mi
15:33
→ flat
2.13M
22:13/mi
31:46
→ flat
6.43M
14:19/mi
1:33:18
↑ 274↓ 78
6.62M
-46:-9/mi
1:24:43
↑ 16
10.65M
12:06/mi
2:13:27
↑ 153↓ 361
Finish· 13.11 mi
12:29/mi
2:44:08
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:24:4312:48 /mi+6.3%
2nd Half
1:19:2512:14 /mi✓ faster
Negative split — 6.3% 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
15:3311:061.40 mi15:33
11:06
-
2.13M
31:4614:550.73 mi16:13
22:13
+11:07
6.43M
1:33:1814:314.30 mi1:01:32
14:19
-7:54
6.62M
1:24:4312:480.19 mi
-46:-9
-60:28
10.65M
2:13:2712:324.03 mi48:44
12:06
+58:15
Finish(13.11 mi)
2:44:0812:312.46 mi30:41
12:29
+0:23
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-47:-9 /mi

Average Pace

12:31 /mi

Slowest Pace

22:13 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:44:08

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 12:31 /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 mi5221300963352213009633
2.13M0.73 mi5094+1272958+5163351022950632
6.43M4.30 mi5083+112967-9640-750802945639
6.62M0.19 mi5049+342947+20639+1---
10.65M4.03 mi5041+82926+21638+150422908633
Finish(13.11 mi)2.46 mi5058-17292663851782938635

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 86%
~flat
+3ft-2ft

Overall

5221

Males

3009

M25-29

636

1.40M→2.13M

1.4 - 2.1 mi

Top 84%
~flat
+3ft-1ft

Overall

5102

Males

2950

M25-29

638

2.13M→6.43M

2.1 - 6.4 mi

Top 84%
×17story building
+274ft-78ft

Overall

5080

Males

2945

M25-29

643

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 83%
×21story building
+153ft-361ft

Overall

5042

Males

2908

M25-29

634

10.65M→Finish

10.7 - 13.1 mi

Top 85%
×17story building
+244ft-114ft

Overall

5178

Males

2938

M25-29

635

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#5221
1.40M → 2.13M
119246+127
#5221 → #5094
2.13M → 6.43M
237248*+11
#5094 → #5083
6.43M → 6.62M
3973+34
#5083 → #5049
6.62M → 10.65M
108116*+8
#5049 → #5041
10.65M → Finish
6346*-17
#5041 → #5058
TOTALS
566729*+163
#5221 → #5058

* 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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