Alisa Chung

Mississauga, ON

Bib: 23781 F 37

0:00
0:00
/ mi
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Overall
#0 / 3840
Top 48%
Gender (Female)
#0 / 1760
Top 36%
Division (F35-39)
#0 / 222
Top 32%
Race Day Weather
59°/49°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
48 ft elev
2M
9:36/mi
19:13
138680.7%
122 ft elev
4M
9:36/mi
38:25
1631.4%
280 ft elev
6M
11:43/mi
1:01:51
55830.3%
247 ft elev
8M
7:52/mi
1:17:36
651510.8%
143 ft elev
10M
10:43/mi
1:39:01
611741.1%
25 ft elev
12M
10:43/mi
2:00:28
41530.1%
12 ft elev
Finish· 13.11 mi
10:21/mi
2:11:57
→ flat
11 ft elev
Course Elevation
9292 ft
×24story building
548 ft climb · 587 ft descent

The Course

Half Splits

1st Half· via 6M
1:01:5110:19 /mi⚡ faster
2nd Half
1:10:069:52 /mi+13.3%
Positive split — 13.3% slower in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
2M
19:139:362.00 mi19:13
9:36
-
4M
38:259:362.00 mi19:12
9:36
0:00
6M
1:01:5110:192.00 mi23:26
11:43
+2:07
8M
1:17:369:422.00 mi15:45
7:52
-3:51
10M
1:39:019:542.00 mi21:25
10:43
+2:51
12M
2:00:2810:022.00 mi21:27
10:43
0:00
Finish(13.11 mi)
2:11:5710:041.11 mi11:29
10:21
-0:22
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

7:52 /mi

Average Pace

10:04 /mi

Slowest Pace

11:43 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

54:10

41% of race

Time at Steady Pace

54:21

41% of race

Time at Slower Pace

23:26

18% of race

Average Pace: 10:04 /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

CheckpointDistanceSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
2M2.00 mi2.00 mi169153967176161773
4M4.00 mi2.00 mi1893-202641-10276-9207774186
6M6.00 mi2.00 mi1795+98593+4870+6169354565
8M8.00 mi2.00 mi1834-39611-1871-1213475590
10M10.00 mi2.00 mi1873-39630-1971204172389
12M12.00 mi2.00 mi1847+26626+470+1176161773
Finish13.11 mi1.11 mi1847629-371-1176062175

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 46%
×9story building
+138ft-68ft

Overall

1761

Females

617

F35-39

73

2M→4M

2.0 - 4.0 mi

Top 54%
×13story building
+163ft-19ft

Overall

2077

Females

741

F35-39

86

4M→6M

4.0 - 6.0 mi

Top 44%
×4story building
+55ft-83ft

Overall

1693

Females

545

F35-39

65

6M→8M

6.0 - 8.0 mi

Top 56%
×10story building
+65ft-151ft

Overall

2134

Females

755

F35-39

90

8M→10M

8.0 - 10.0 mi

Top 53%
×10story building
+61ft-174ft

Overall

2041

Females

723

F35-39

89

10M→12M

10.0 - 12.0 mi

Top 46%
×3story building
+41ft-53ft

Overall

1761

Females

617

F35-39

73

12M→Finish

12.0 - 13.1 mi

Top 46%
×1human
+6ft-6ft

Overall

1760

Females

621

F35-39

75

Passing Analysis

Category:
Athletes Passed
270*
Passed By
426
Net Change
-156
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1691
2M4M36238-202#1691#1893
4M6M11416+98#1893#1795
6M8M2059-39#1795#1834
8M10M20*59-39#1834#1873
10M12M5630+26#1873#1847
12MFinish24*240#1847#1847
TOTALS270*426-156

* 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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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon