All Results|Race Analytics|Course
SF MARATHON 2025

Ji-Won Choi

Bib: 7481β€’Fβ€’Age: 27

Berkeley, CA

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0:00
0:00
/ mi
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Overall
#0 / 6545
Gender (Female)
#0 / 1878
Top 39%
Division (F25-29)
#0 / 504
Top 42%
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
19:04
Rank: #5105
Start β†’ 1.81 Miles
19:04 | 10:32/mi
5.55 Miles
58:16
Rank: #4743 (+362)
1.81 Miles β†’ 5.55 Miles
39:12 | 10:29/mi
6.52 Miles
1:09:05
Rank: #4708 (+35)
5.55 Miles β†’ 6.52 Miles
10:49 | 11:09/mi
10.87 Miles
1:54:35
Rank: #4479 (+229)
6.52 Miles β†’ 10.87 Miles
45:30 | 10:28/mi
Garmin Hill ChallengeΒ· 11.38 mi
2:01:08
Rank: #4424 (+55)
10.87 Miles β†’ Garmin Hill Challenge
6:33 | 12:51/mi
14.95 Miles
2:33:56
Rank: #4268 (+156)
Garmin Hill Challenge β†’ 14.95 Miles
32:48 | 9:11/mi
18 Miles
3:08:35
Rank: #4002 (+266)
14.95 Miles β†’ 18 Miles
34:39 | 11:22/mi
25 Miles
4:19:40
Rank: #3491 (+511)
18 Miles β†’ 25 Miles
1:11:05 | 10:09/mi
FinishΒ· 26.22 mi
4:32:05
Rank: #3445 (+46)
25 Miles β†’ Finish
12:25 | 10:11/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 mi05:51:0119:0410:3219:04
10:32
-
5.55 Miles
5.55 mi06:30:1358:1610:3039:12
10:29
-0:03
6.52 Miles
6.52 mi06:41:021:09:0510:3610:49
11:09
+0:40
10.87 Miles
10.87 mi07:26:321:54:3510:3245:30
10:28
-0:41
Garmin Hill Challenge
11.38 mi07:33:052:01:0810:396:33
12:51
+2:23
14.95 Miles
14.95 mi08:05:532:33:5610:1832:48
9:11
-3:40
18 Miles
18.00 mi08:40:323:08:3510:2934:39
11:22
+2:11
25 Miles
25.00 mi09:51:374:19:4010:231:11:05
10:09
-1:13
Finish
26.22 mi10:04:024:32:0510:2312:25
10:11
+0:02

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

9:11 /mi

Average Pace

10:23 /mi

Slowest Pace

12:51 /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

32:48

12% of race

Time at Steady Pace

3:07:16

69% of race

Time at Slower Pace

52:01

19% of race

Average Pace: 10:23 /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 mi05:51:0119:0410:3219:04
10:32
#5105
5.55 Miles
5.55 mi06:30:1358:1610:3039:12
10:29
#4743
6.52 Miles
6.52 mi06:41:021:09:0510:3610:49
11:09
#4708
10.87 Miles
10.87 mi07:26:321:54:3510:3245:30
10:28
#4479
Garmin Hill Challenge
11.38 mi07:33:052:01:0810:396:33
12:51
#4424
14.95 Miles
14.95 mi08:05:532:33:5610:1832:48
9:11
#4268
18 Miles
18.00 mi08:40:323:08:3510:2934:39
11:22
#4002
25 Miles
25.00 mi09:51:374:19:4010:231:11:05
10:09
#3491
Finish
26.22 mi10:04:024:32:0510:2312:25
10:11
#3445
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
1.81 Miles1.81 mi1.81 mi510512603285105(Top 78%)1260(Top 67%)328(Top 65%)
5.55 Miles5.55 mi3.74 mi4743+3621102+158296+324641(Top 71%)1078(Top 57%)294(Top 58%)
6.52 Miles6.52 mi0.97 mi4708+351098+4297-14762(Top 73%)1114(Top 59%)318(Top 63%)
10.87 Miles10.87 mi4.35 mi4479+2291010+88271+264231(Top 65%)939(Top 50%)263(Top 52%)
Garmin Hill Challenge11.38 mi0.51 mi4424+55994+16268+33872(Top 59%)815(Top 43%)243(Top 48%)
14.95 Miles14.95 mi3.57 mi4268+156942+52260+83766(Top 58%)783(Top 42%)228(Top 45%)
18 Miles18.00 mi3.05 mi4002+266868+74247+133226(Top 49%)637(Top 34%)175(Top 35%)
25 Miles25.00 mi7.00 mi3491+511748+120214+332577(Top 39%)536(Top 29%)141(Top 28%)
Finish26.22 mi1.22 mi3445+46739+9212+22747(Top 42%)623(Top 33%)180(Top 36%)

Segment Performance Analysis

Start β†’ 1.81 Miles

0.0 - 1.8 mi

Top 78%
Γ—1human
+6ft-10ft

Overall

5105

Females

1260

F25-29

335

1.81 Miles→5.55 Miles

1.8 - 5.5 mi

Top 71%
Γ—6stories
+97ft-86ft

Overall

4641

Females

1078

F25-29

299

5.55 Miles→6.52 Miles

5.5 - 6.5 mi

Top 73%
Γ—15stories
+178ft-5ft

Overall

4762

Females

1114

F25-29

323

6.52 Miles→10.87 Miles

6.5 - 10.9 mi

Top 65%
Γ—20stories
+201ft-318ft

Overall

4231

Females

939

F25-29

267

10.87 Miles→Garmin Hill Challenge

10.9 - 11.4 mi

Top 59%
Γ—11stories
+134ft-79ft

Overall

3872

Females

815

F25-29

248

Garmin Hill Challenge→14.95 Miles

11.4 - 14.9 mi

Top 58%
Γ—17stories
+251ft-225ft

Overall

3766

Females

783

F25-29

231

14.95 Miles→18 Miles

14.9 - 18.0 mi

Top 49%
Γ—12stories
+165ft-60ft

Overall

3226

Females

637

F25-29

178

18 Miles→25 Miles

18.0 - 25.0 mi

Top 39%
Γ—22stories
+142ft-378ft

Overall

2577

Females

536

F25-29

142

25 Miles→Finish

25.0 - 26.2 mi

Top 42%
~flat
+2ft-0ft

Overall

2747

Females

623

F25-29

180

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1859*
Passed By
199
Net Change
+1660
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 1.81 Miles----#5105
1.81 Miles β†’ 5.55 Miles42361+362#5105#4743
5.55 Miles β†’ 6.52 Miles5924+35#4743#4708
6.52 Miles β†’ 10.87 Miles267*38+229#4708#4479
10.87 Miles β†’ Garmin Hill Challenge7217+55#4479#4424
Garmin Hill Challenge β†’ 14.95 Miles171*15+156#4424#4268
14.95 Miles β†’ 18 Miles279*13+266#4268#4002
18 Miles β†’ 25 Miles535*24+511#4002#3491
25 Miles β†’ Finish53*7+46#3491#3445
TOTALS1859*199+1660

* 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