All Results|Race Analytics|Course
SF MARATHON 2025

Marlee Ko

Bib: 3983β€’Fβ€’Age: 32

Union City, CA

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0:00
0:00
/ mi
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Overall
#0 / 6545
Gender (Female)
#0 / 1878
Division (F30-34)
Official
#0 / 354
Calculated (F30-34)
#0 / 354
Race Day Weather
56Β°/46Β°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
1.81 Miles
16:23
Rank: #2571
Start β†’ 1.81 Miles
16:23 | 9:03/mi
5.55 Miles
52:47
Rank: #3214 (-643)
1.81 Miles β†’ 5.55 Miles
36:24 | 9:44/mi
6.52 Miles
1:03:38
Rank: #3496 (-282)
5.55 Miles β†’ 6.52 Miles
10:51 | 11:11/mi
10.87 Miles
1:50:29
Rank: #3985 (-489)
6.52 Miles β†’ 10.87 Miles
46:51 | 10:46/mi
Garmin Hill ChallengeΒ· 11.38 mi
1:59:21
Rank: #4220 (-235)
10.87 Miles β†’ Garmin Hill Challenge
8:52 | 17:24/mi
14.95 Miles
2:36:57
Rank: #4521 (-301)
Garmin Hill Challenge β†’ 14.95 Miles
37:36 | 10:32/mi
18 Miles
3:20:33
Rank: #4822 (-301)
14.95 Miles β†’ 18 Miles
43:36 | 14:18/mi
25 Miles
4:53:55
Rank: #5045 (-223)
18 Miles β†’ 25 Miles
1:33:22 | 13:20/mi
FinishΒ· 26.22 mi
5:08:09
Rank: #4989 (+56)
25 Miles β†’ Finish
14:14 | 11:41/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81 Miles
1.81 mi05:48:4916:239:0316:23
9:03
-
5.55 Miles
5.55 mi06:25:1352:479:3136:24
9:44
+0:41
6.52 Miles
6.52 mi06:36:041:03:389:4610:51
11:11
+1:27
10.87 Miles
10.87 mi07:22:551:50:2910:1046:51
10:46
-0:25
Garmin Hill Challenge
11.38 mi07:31:471:59:2110:298:52
17:24
+6:38
14.95 Miles
14.95 mi08:09:232:36:5710:3037:36
10:32
-6:52
18 Miles
18.00 mi08:52:593:20:3311:0943:36
14:18
+3:46
25 Miles
25.00 mi10:26:214:53:5511:451:33:22
13:20
-0:58
Finish
26.22 mi10:40:355:08:0911:4614:14
11:41
-1:39

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

9:03 /mi

Average Pace

11:46 /mi

Slowest Pace

17:24 /mi

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Fastest
Middle
Slowest
Average

πŸ“ŠSegments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

52:47

17% of race

Time at Steady Pace

1:49:32

36% of race

Time at Slower Pace

2:25:50

47% of race

Average Pace: 11:45 /mi

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Faster pace (< avg)
Steady pace (β‰ˆ 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.

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
1.81 Miles
1.81 mi05:48:4916:239:0316:23
9:03
#2571
5.55 Miles
5.55 mi06:25:1352:479:3136:24
9:44
#3214
6.52 Miles
6.52 mi06:36:041:03:389:4610:51
11:11
#3496
10.87 Miles
10.87 mi07:22:551:50:2910:1046:51
10:46
#3985
Garmin Hill Challenge
11.38 mi07:31:471:59:2110:298:52
17:24
#4220
14.95 Miles
14.95 mi08:09:232:36:5710:3037:36
10:32
#4521
18 Miles
18.00 mi08:52:593:20:3311:0943:36
14:18
#4822
25 Miles
25.00 mi10:26:214:53:5511:451:33:22
13:20
#5045
Finish
26.22 mi10:40:355:08:0911:4614:14
11:41
#4989
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
1.81 Miles1.81 mi1.81 mi2571412842571(Top 39%)412(Top 22%)84(Top 24%)
5.55 Miles5.55 mi3.74 mi3214-643593-181116-323555(Top 54%)705(Top 38%)134(Top 38%)
6.52 Miles6.52 mi0.97 mi3496-282685-92130-144814(Top 74%)1135(Top 60%)217(Top 61%)
10.87 Miles10.87 mi4.35 mi3985-489854-169168-384625(Top 71%)1066(Top 57%)208(Top 59%)
Garmin Hill Challenge11.38 mi0.51 mi4220-235926-72183-156032(Top 92%)1631(Top 87%)304(Top 86%)
14.95 Miles14.95 mi3.57 mi4521-3011030-104205-225215(Top 80%)1320(Top 70%)261(Top 74%)
18 Miles18.00 mi3.05 mi4822-3011148-118226-215924(Top 91%)1671(Top 89%)311(Top 88%)
25 Miles25.00 mi7.00 mi5045-2231276-128258-325314(Top 81%)1472(Top 78%)297(Top 84%)
Finish26.22 mi1.22 mi4989+561260+16256+24406(Top 67%)1160(Top 62%)236(Top 67%)

Segment Performance Analysis

Start β†’ 1.81 Miles

0.0 - 1.8 mi

Top 39%
Γ—1human
+6ft-10ft

Overall

2571

Females

412

F30-34

85

1.81 Miles→5.55 Miles

1.8 - 5.5 mi

Top 54%
Γ—6stories
+97ft-86ft

Overall

3555

Females

705

F30-34

135

5.55 Miles→6.52 Miles

5.5 - 6.5 mi

Top 74%
Γ—15stories
+178ft-5ft

Overall

4814

Females

1135

F30-34

218

6.52 Miles→10.87 Miles

6.5 - 10.9 mi

Top 71%
Γ—20stories
+201ft-318ft

Overall

4625

Females

1066

F30-34

209

10.87 Miles→Garmin Hill Challenge

10.9 - 11.4 mi

Top 92%
Γ—11stories
+134ft-79ft

Overall

6032

Females

1631

F30-34

305

Garmin Hill Challenge→14.95 Miles

11.4 - 14.9 mi

Top 80%
Γ—17stories
+251ft-225ft

Overall

5215

Females

1320

F30-34

261

14.95 Miles→18 Miles

14.9 - 18.0 mi

Top 91%
Γ—12stories
+165ft-60ft

Overall

5924

Females

1671

F30-34

311

18 Miles→25 Miles

18.0 - 25.0 mi

Top 81%
Γ—22stories
+142ft-378ft

Overall

5314

Females

1472

F30-34

297

25 Miles→Finish

25.0 - 26.2 mi

Top 67%
~flat
+2ft-0ft

Overall

4406

Females

1160

F30-34

236

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
259*
Passed By
2677
Net Change
-2418
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 1.81 Miles----#2571
1.81 Miles β†’ 5.55 Miles32675-643#2571#3214
5.55 Miles β†’ 6.52 Miles4286-282#3214#3496
6.52 Miles β†’ 10.87 Miles23*512-489#3496#3985
10.87 Miles β†’ Garmin Hill Challenge1236-235#3985#4220
Garmin Hill Challenge β†’ 14.95 Miles15*316-301#4220#4521
14.95 Miles β†’ 18 Miles28*329-301#4521#4822
18 Miles β†’ 25 Miles95*318-223#4822#5045
25 Miles β†’ Finish61*5+56#5045#4989
TOTALS259*2677-2418

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

πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

Activity Data

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Public Race Data

The San Francisco Marathon

The San Francisco Marathon