Ian Jackson

HILLSBOROUGH, CA

Bib: 16011 M 20

0:00
0:00
/ mi
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Overall
#0 / 5177
Top 16%
Gender (Male)
#0 / 2862
Top 23%
M20-29
#0 / 280
Top 34%
Race Day Weather
56°/46°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2.13M
11:51/mi
25:15
→ flat
6.62M
8:54/mi
1:05:11
29978
7.12M
10:06/mi
1:10:14
27
10.65M
7:48/mi
1:37:45
127360
Finish· 13.11 mi
6:37/mi
1:54:01
244114
Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:05:119:51 /mi+25.1%
2nd Half
48:507:32 /mi✓ faster
Negative split — 25.1% 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
2.13M
25:1511:512.13 mi25:15
11:51
-
6.62M
1:05:119:514.49 mi39:56
8:54
-2:57
7.12M
1:10:149:520.50 mi5:03
10:06
+1:12
10.65M
1:37:459:113.53 mi27:31
7:48
-2:18
Finish(13.11 mi)
1:54:018:422.46 mi16:16
6:37
-1:11
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:37 /mi

Average Pace

8:42 /mi

Slowest Pace

11:51 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

43:47

38% of race

Time at Steady Pace

39:56

35% of race

Time at Slower Pace

30:18

27% of race

Average Pace: 8:42 /mi

Loading chart...
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
2.13M2.13 mi1880133616518801336165
6.62M4.49 mi1588+2921152+184145+2014561075136
7.12M0.50 mi1412+1761048+104137+840433857
10.65M3.53 mi1131+281866+182118+1965052972
Finish(13.11 mi)2.46 mi828+303649+21795+2312411425

Segment Performance Analysis

Start → 2.13M

0.0 - 2.1 mi

Top 36%
~flat
+6ft-3ft

Overall

1880

Males

1336

M20-24

165

2.13M→6.62M

2.1 - 6.6 mi

Top 28%
×19story building
+299ft-78ft

Overall

1456

Males

1075

M20-24

136

6.62M→7.12M

6.6 - 7.1 mi

Top 8%
×2story building
+27ft-0ft

Overall

404

Males

338

M20-24

57

7.12M→10.65M

7.1 - 10.7 mi

Top 13%
×21story building
+127ft-360ft

Overall

650

Males

529

M20-24

72

10.65M→Finish

10.7 - 13.1 mi

Top 2%
×17story building
+244ft-114ft

Overall

124

Males

114

M20-24

25

Passing Analysis

Category:
Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2.13M-#1880
2.13M6.62M
39331*+292
#1880 #1588
6.62M7.12M
1177+176
#1588 #1412
7.12M10.65M
2283*+281
#1412 #1131
10.65MFinish
0303*+303
#1131 #828
TOTALS
421094*+1052
#1880 #828

* 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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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events