Katherine Mei

Bib: 23563FAge: 27

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Gender (Female)
#0 / 1760
Top 48%
Division (F25-29)
#0 / 495
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
9292 ft
×24story building
548 ft climb · 587 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
9:58/mi
19:56
138680.7%
4M
9:56/mi
39:48
1631.4%
6M
12:51/mi
1:05:31
55830.3%
8M
8:04/mi
1:21:39
651510.8%
10M
11:38/mi
1:44:54
611741.1%
12M
11:41/mi
2:08:16
41530.1%
Finish· 13.11 mi
10:55/mi
2:20:23
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:05:31
Pace10:55 /mi
2nd Half
Distance7.11 mi
Time1:14:52
Pace10:32 /mi
📊Positive Split: 14.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:02:0419:569:5819:56
9:58
-
4M
4.00 mi09:21:5639:489:5719:52
9:56
-0:02
6M
6.00 mi09:47:391:05:3110:5525:43
12:51
+2:55
8M
8.00 mi10:03:471:21:3910:1216:08
8:04
-4:47
10M
10.00 mi10:27:021:44:5410:2923:15
11:38
+3:34
12M
12.00 mi10:50:242:08:1610:4123:22
11:41
+0:03
Finish
13.11 mi11:02:312:20:2310:4312:07
10:55
-0:46

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:04 /mi

Average Pace

10:43 /mi

Slowest Pace

12:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

55:56

40% of race

Time at Steady Pace

35:22

25% of race

Time at Slower Pace

49:05

35% of race

Average Pace: 10:42 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2M
2.00 mi09:02:0419:569:5819:56
9:58
#2021
4M
4.00 mi09:21:5639:489:5719:52
9:56
#2145
6M
6.00 mi09:47:391:05:3110:5525:43
12:51
#2211
8M
8.00 mi10:03:471:21:3910:1216:08
8:04
#2209
10M
10.00 mi10:27:021:44:5410:2923:15
11:38
#2312
12M
12.00 mi10:50:242:08:1610:4123:22
11:41
#2296
Finish
13.11 mi11:02:312:20:2310:4312:07
10:55
#2266
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2.00 mi20217041942292(Top 60%)895(Top 51%)267(Top 54%)
4M4.00 mi2.00 mi2145-124767-63217-232284(Top 59%)851(Top 48%)250(Top 51%)
6M6.00 mi2.00 mi2211-66802-35236-192371(Top 62%)883(Top 50%)260(Top 53%)
8M8.00 mi2.00 mi2209+2795+7238-22286(Top 60%)835(Top 47%)249(Top 50%)
10M10.00 mi2.00 mi2312-103847-52255-172568(Top 67%)1014(Top 58%)302(Top 61%)
12M12.00 mi2.00 mi2296+16848-1254+12292(Top 60%)895(Top 51%)267(Top 54%)
Finish13.11 mi1.11 mi2266+30838+10252+22119(Top 55%)810(Top 46%)244(Top 49%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 60%
×9story building
+138ft-68ft

Overall

2292

Females

895

F25-29

268

2M→4M

2.0 - 4.0 mi

Top 59%
×13story building
+163ft-19ft

Overall

2284

Females

851

F25-29

250

4M→6M

4.0 - 6.0 mi

Top 62%
×4story building
+55ft-83ft

Overall

2371

Females

883

F25-29

261

6M→8M

6.0 - 8.0 mi

Top 60%
×10story building
+65ft-151ft

Overall

2286

Females

835

F25-29

250

8M→10M

8.0 - 10.0 mi

Top 67%
×10story building
+61ft-174ft

Overall

2568

Females

1014

F25-29

303

10M→12M

10.0 - 12.0 mi

Top 60%
×3story building
+41ft-53ft

Overall

2292

Females

895

F25-29

268

12M→Finish

12.0 - 13.1 mi

Top 55%
×1human
+6ft-6ft

Overall

2119

Females

810

F25-29

244

Passing Analysis

Category:
Athletes Passed
228*
Passed By
473
Net Change
-245
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2021
2M4M57181-124#2021#2145
4M6M3298-66#2145#2211
6M8M3735+2#2211#2209
8M10M16*119-103#2209#2312
10M12M5135+16#2312#2296
12MFinish35*5+30#2296#2266
TOTALS228*473-245

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

📊

Passing Visuals

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