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SF MARATHON 1ST HALF 2025

Aileen Bi

Bib: 15768•F•Age: 28

San Leandro, 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
19:08
Rank: #5015
Start → 1.81M
19:08 | 10:34/mi
5.34M
57:21
Rank: #4840 (+175)
1.81M → 5.34M
38:13 | 10:50/mi
6.15M
1:06:14
Rank: #4710 (+130)
5.34M → 6.15M
8:53 | 10:58/mi
10.54M
1:53:02
Rank: #4219 (+491)
6.15M → 10.54M
46:48 | 10:40/mi
11.05M
2:02:07
Rank: #4397 (-178)
10.54M → 11.05M
9:05 | 17:48/mi
Finish· 13.11 mi
2:25:12
Rank: #4323 (+74)
11.05M → Finish
23:05 | 11:13/mi

The Course

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Half Splits

1st Half· via 6.15MFaster
Distance6.15 mi
Time1:06:14
Pace10:46 /mi
2nd Half
Distance6.96 mi
Time1:18:58
Pace11:21 /mi
📊Positive Split: 19.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi07:00:3319:0810:3419:08
10:34
-
5.34M
5.34 mi07:38:4657:2110:4438:13
10:50
+0:16
6.15M
6.15 mi07:47:391:06:1410:468:53
10:58
+0:08
10.54M
10.54 mi08:34:271:53:0210:4346:48
10:40
-0:18
11.05M
11.05 mi08:43:322:02:0711:039:05
17:48
+7:08
Finish
13.11 mi09:06:372:25:1211:0523:05
11:13
-6:35

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

10:34 /mi

Average Pace

11:05 /mi

Slowest Pace

17:48 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:16:07

94% of race

Time at Slower Pace

9:05

6% of race

Average Pace: 11:05 /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 mi07:00:3319:0810:3419:08
10:34
#5015
5.34M
5.34 mi07:38:4657:2110:4438:13
10:50
#4840
6.15M
6.15 mi07:47:391:06:1410:468:53
10:58
#4710
10.54M
10.54 mi08:34:271:53:0210:4346:48
10:40
#4219
11.05M
11.05 mi08:43:322:02:0711:039:05
17:48
#4397
Finish
13.11 mi09:06:372:25:1211:0523:05
11:13
#4323
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
1.81M1.81 mi1.81 mi501519065035015(Top 71%)1906(Top 61%)503(Top 66%)
5.34M5.34 mi3.53 mi4840+1751813+93484+194785(Top 67%)1781(Top 57%)483(Top 63%)
6.15M6.15 mi0.81 mi4710+1301740+73466+184091(Top 58%)1428(Top 46%)399(Top 52%)
10.54M10.54 mi4.39 mi4219+4911494+246415+513807(Top 54%)1307(Top 42%)374(Top 49%)
11.05M11.05 mi0.51 mi4397-1781583-89429-145671(Top 80%)2302(Top 74%)609(Top 80%)
Finish13.11 mi2.06 mi4323+741571+12433-44093(Top 58%)1536(Top 49%)422(Top 55%)

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 71%
~flat
+4ft-3ft

Overall

5015

Females

1906

F25-29

504

1.81M→5.34M

1.8 - 5.3 mi

Top 67%
×4stories
+80ft-74ft

Overall

4785

Females

1781

F25-29

484

5.34M→6.15M

5.3 - 6.2 mi

Top 58%
×10stories
+126ft-4ft

Overall

4091

Females

1428

F25-29

400

6.15M→10.54M

6.2 - 10.5 mi

Top 54%
×21stories
+230ft-361ft

Overall

3807

Females

1307

F25-29

374

10.54M→11.05M

10.5 - 11.1 mi

Top 80%
×14stories
+172ft-0ft

Overall

5671

Females

2302

F25-29

610

11.05M→Finish

11.1 - 13.1 mi

Top 58%
×7stories
+97ft-114ft

Overall

4093

Females

1536

F25-29

422

Passing Analysis

Category:
Athletes Passed
1171*
Passed By
479
Net Change
+692
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#5015
1.81M → 5.34M366*191+175#5015#4840
5.34M → 6.15M15121+130#4840#4710
6.15M → 10.54M520*29+491#4710#4219
10.54M → 11.05M9187-178#4219#4397
11.05M → Finish125*51+74#4397#4323
TOTALS1171*479+692

* 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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