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SF MARATHON 1ST HALF 2025

Helen Lin

Bib: 12092•F•Age: 24

Toronto, ON

0:00
0:00
/ mi
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Overall
#0 / 7100
Top 39%
Gender (Female)
#0 / 3107
Top 27%
F20-29
#0 / 410
Top 36%
Race Day Weather
56°/46°F
light rain

⏱️ Race Timeline

Start
0:00:00
Race begins
1.81M
17:37
Rank: #3366
Start → 1.81M
9:44/mi
17:37 split
5.34M
52:11
Rank: #3142 (+224)
1.81M → 5.34M
9:48/mi
34:34 split
6.15M
1:00:12
Rank: #3035 (+107)
5.34M → 6.15M
9:54/mi
8:01 split
10.54M
1:43:18
Rank: #2840 (+195)
6.15M → 10.54M
9:49/mi
43:06 split
11.05M
1:50:06
Rank: #2811 (+29)
10.54M → 11.05M
13:20/mi
6:48 split
Finish· 13.11 mi
2:11:02
Rank: #2757 (+54)
11.05M → Finish
10:10/mi
20:56 split

The Course

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Half Splits

1st Half· via 6.15MFaster
Distance6.15 mi
Time1:00:12
Pace9:47 /mi
2nd Half
Distance6.96 mi
Time1:10:50
Pace10:11 /mi
📊Positive Split: 17.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi06:56:0817:379:4417:37
9:44
-
5.34M
5.34 mi07:30:4252:119:4634:34
9:48
+0:04
6.15M
6.15 mi07:38:431:00:129:478:01
9:54
+0:06
10.54M
10.54 mi08:21:491:43:189:4843:06
9:49
-0:05
11.05M
11.05 mi08:28:371:50:069:586:48
13:20
+3:31
Finish
13.11 mi08:49:332:11:0210:0020:56
10:10
-3:10

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

9:44 /mi

Average Pace

10:00 /mi

Slowest Pace

13:20 /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

2:04:14

95% of race

Time at Slower Pace

6:48

5% of race

Average Pace: 10:00 /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
1.81M
1.81 mi06:56:0817:379:4417:37
9:44
#3366
5.34M
5.34 mi07:30:4252:119:4634:34
9:48
#3142
6.15M
6.15 mi07:38:431:00:129:478:01
9:54
#3035
10.54M
10.54 mi08:21:491:43:189:4843:06
9:49
#2840
11.05M
11.05 mi08:28:371:50:069:586:48
13:20
#2811
Finish
13.11 mi08:49:332:11:0210:0020:56
10:10
#2757
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
1.81M1.81 mi1.81 mi336610691763366(Top 47%)1069(Top 34%)176(Top 43%)
5.34M5.34 mi3.53 mi3142+224972+97160+163113(Top 44%)963(Top 31%)164(Top 40%)
6.15M6.15 mi0.81 mi3035+107930+42157+32552(Top 36%)724(Top 23%)140(Top 34%)
10.54M10.54 mi4.39 mi2840+195862+68152+52668(Top 38%)786(Top 25%)145(Top 35%)
11.05M11.05 mi0.51 mi2811+29843+19146+62706(Top 38%)840(Top 27%)157(Top 38%)
Finish13.11 mi2.06 mi2757+54833+10148-22675(Top 38%)847(Top 27%)151(Top 37%)

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 47%
~flat
+4ft-3ft

Overall

3366

Females

1069

F20-24

177

1.81M→5.34M

1.8 - 5.3 mi

Top 44%
×4story building
+80ft-74ft

Overall

3113

Females

963

F20-24

165

5.34M→6.15M

5.3 - 6.2 mi

Top 36%
×10story building
+126ft-4ft

Overall

2552

Females

724

F20-24

141

6.15M→10.54M

6.2 - 10.5 mi

Top 38%
×21story building
+230ft-361ft

Overall

2668

Females

786

F20-24

146

10.54M→11.05M

10.5 - 11.1 mi

Top 38%
×14story building
+172ft-0ft

Overall

2706

Females

840

F20-24

157

11.05M→Finish

11.1 - 13.1 mi

Top 38%
×7story building
+97ft-114ft

Overall

2675

Females

847

F20-24

151

Passing Analysis

Category:
Athletes Passed
880*
Passed By
271
Net Change
+609
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#3366
1.81M → 5.34M347*123+224#3366#3142
5.34M → 6.15M1147+107#3142#3035
6.15M → 10.54M256*61+195#3035#2840
10.54M → 11.05M6031+29#2840#2811
11.05M → Finish103*49+54#2811#2757
TOTALS880*271+609

* 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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The San Francisco Marathon

The San Francisco Marathon

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