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SF MARATHON 1ST HALF 2025

Katrina Li

Bib: 17534•F•Age: 28

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 7100
Gender (Female)
#0 / 3107
Division (F25-29)
#0 / 761
Race Day Weather
56°/46°F
light rain

⏱️ Race Timeline

Start
0:00:00
Race begins
1.81M
19:51
Rank: #5662
Start → 1.81M
19:51 | 10:58/mi
5.34M
1:01:25
Rank: #5799 (-137)
1.81M → 5.34M
41:34 | 11:47/mi
6.15M
1:13:35
Rank: #6077 (-278)
5.34M → 6.15M
12:10 | 15:02/mi
10.54M
2:02:26
Rank: #5433 (+644)
6.15M → 10.54M
48:51 | 11:08/mi
11.05M
2:10:38
Rank: #5367 (+66)
10.54M → 11.05M
8:12 | 16:04/mi
Finish· 13.11 mi
2:32:43
Rank: #5056 (+311)
11.05M → Finish
22:05 | 10:43/mi

The Course

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Half Splits

1st Half· via 6.15MFaster
Distance6.15 mi
Time1:13:35
Pace11:58 /mi
2nd Half
Distance6.96 mi
Time1:19:08
Pace11:22 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi07:02:3619:5110:5819:51
10:58
-
5.34M
5.34 mi07:44:101:01:2511:3041:34
11:47
+0:49
6.15M
6.15 mi07:56:201:13:3511:5812:10
15:02
+3:15
10.54M
10.54 mi08:45:112:02:2611:3748:51
11:08
-3:54
11.05M
11.05 mi08:53:232:10:3811:498:12
16:04
+4:56
Finish
13.11 mi09:15:282:32:4311:3922:05
10:43
-5:21

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

10:43 /mi

Average Pace

11:39 /mi

Slowest Pace

16:04 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

22:05

14% of race

Time at Steady Pace

1:50:16

72% of race

Time at Slower Pace

20:22

13% of race

Average Pace: 11:39 /mi

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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
1.81M
1.81 mi07:02:3619:5110:5819:51
10:58
#5662
5.34M
5.34 mi07:44:101:01:2511:3041:34
11:47
#5799
6.15M
6.15 mi07:56:201:13:3511:5812:10
15:02
#6077
10.54M
10.54 mi08:45:112:02:2611:3748:51
11:08
#5433
11.05M
11.05 mi08:53:232:10:3811:498:12
16:04
#5367
Finish
13.11 mi09:15:282:32:4311:3922:05
10:43
#5056
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
1.81M1.81 mi1.81 mi566222415915662(Top 80%)2241(Top 72%)591(Top 78%)
5.34M5.34 mi3.53 mi5799-1372337-96613-225862(Top 83%)2370(Top 76%)633(Top 83%)
6.15M6.15 mi0.81 mi6077-2782494-157658-456818(Top 96%)2940(Top 95%)736(Top 97%)
10.54M10.54 mi4.39 mi5433+6442136+358581+774410(Top 62%)1604(Top 52%)445(Top 58%)
11.05M11.05 mi0.51 mi5367+662101+35574+74627(Top 65%)1759(Top 57%)475(Top 62%)
Finish13.11 mi2.06 mi5056+3111960+141532+423473(Top 49%)1230(Top 40%)351(Top 46%)

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 80%
~flat
+4ft-3ft

Overall

5662

Females

2241

F25-29

592

1.81M→5.34M

1.8 - 5.3 mi

Top 83%
×4stories
+80ft-74ft

Overall

5862

Females

2370

F25-29

634

5.34M→6.15M

5.3 - 6.2 mi

Top 96%
×10stories
+126ft-4ft

Overall

6818

Females

2940

F25-29

737

6.15M→10.54M

6.2 - 10.5 mi

Top 62%
×21stories
+230ft-361ft

Overall

4410

Females

1604

F25-29

445

10.54M→11.05M

10.5 - 11.1 mi

Top 65%
×14stories
+172ft-0ft

Overall

4627

Females

1759

F25-29

476

11.05M→Finish

11.1 - 13.1 mi

Top 49%
×7stories
+97ft-114ft

Overall

3473

Females

1230

F25-29

351

Passing Analysis

Category:
Athletes Passed
1210*
Passed By
604
Net Change
+606
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#5662
1.81M → 5.34M169*306-137#5662#5799
5.34M → 6.15M2280-278#5799#6077
6.15M → 10.54M651*7+644#6077#5433
10.54M → 11.05M7711+66#5433#5367
11.05M → Finish311*0+311#5367#5056
TOTALS1210*604+606

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

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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

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