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SF MARATHON 1ST HALF 2025

Stephanie Tam

Bib: 17538•F•Age: 26

Calgary, AB

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
21:40
Rank: #6531
Start → 1.81M
21:40 | 11:58/mi
5.34M
1:06:29
Rank: #6506 (+25)
1.81M → 5.34M
44:49 | 12:42/mi
6.15M
1:17:43
Rank: #6514 (-8)
5.34M → 6.15M
11:14 | 13:52/mi
10.54M
2:17:35
Rank: #6525 (-11)
6.15M → 10.54M
59:52 | 13:38/mi
11.05M
2:26:39
Rank: #6497 (+28)
10.54M → 11.05M
9:04 | 17:46/mi
Finish· 13.11 mi
2:56:47
Rank: #6502 (-5)
11.05M → Finish
30:08 | 14:38/mi

The Course

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Half Splits

1st Half· via 6.15MFaster
Distance6.15 mi
Time1:17:43
Pace12:38 /mi
2nd Half
Distance6.96 mi
Time1:39:04
Pace14:14 /mi
📊Positive Split: 27.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi07:09:0221:4011:5821:40
11:58
-
5.34M
5.34 mi07:53:511:06:2912:2744:49
12:42
+0:44
6.15M
6.15 mi08:05:051:17:4312:3811:14
13:52
+1:10
10.54M
10.54 mi09:04:572:17:3513:0359:52
13:38
-0:14
11.05M
11.05 mi09:14:012:26:3913:169:04
17:46
+4:08
Finish
13.11 mi09:44:092:56:4713:2930:08
14:38
-3:08

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

11:58 /mi

Average Pace

13:29 /mi

Slowest Pace

17:46 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:06:29

38% of race

Time at Steady Pace

1:41:14

57% of race

Time at Slower Pace

9:04

5% of race

Average Pace: 13:29 /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 mi07:09:0221:4011:5821:40
11:58
#6531
5.34M
5.34 mi07:53:511:06:2912:2744:49
12:42
#6506
6.15M
6.15 mi08:05:051:17:4312:3811:14
13:52
#6514
10.54M
10.54 mi09:04:572:17:3513:0359:52
13:38
#6525
11.05M
11.05 mi09:14:012:26:3913:169:04
17:46
#6497
Finish
13.11 mi09:44:092:56:4713:2930:08
14:38
#6502
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
1.81M1.81 mi1.81 mi653127666966531(Top 92%)2766(Top 89%)696(Top 91%)
5.34M5.34 mi3.53 mi6506+252736+30706-106511(Top 92%)2734(Top 88%)704(Top 93%)
6.15M6.15 mi0.81 mi6514-82742-6707-16488(Top 91%)2728(Top 88%)703(Top 92%)
10.54M10.54 mi4.39 mi6525-112758-16711-46487(Top 91%)2762(Top 89%)714(Top 94%)
11.05M11.05 mi0.51 mi6497+282741+17706+55667(Top 80%)2301(Top 74%)608(Top 80%)
Finish13.11 mi2.06 mi6502-52746-5713-76496(Top 91%)2804(Top 90%)720(Top 95%)

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 92%
~flat
+4ft-3ft

Overall

6531

Females

2766

F25-29

697

1.81M→5.34M

1.8 - 5.3 mi

Top 92%
×4stories
+80ft-74ft

Overall

6511

Females

2734

F25-29

705

5.34M→6.15M

5.3 - 6.2 mi

Top 91%
×10stories
+126ft-4ft

Overall

6488

Females

2728

F25-29

704

6.15M→10.54M

6.2 - 10.5 mi

Top 91%
×21stories
+230ft-361ft

Overall

6487

Females

2762

F25-29

715

10.54M→11.05M

10.5 - 11.1 mi

Top 80%
×14stories
+172ft-0ft

Overall

5667

Females

2301

F25-29

609

11.05M→Finish

11.1 - 13.1 mi

Top 91%
×7stories
+97ft-114ft

Overall

6496

Females

2804

F25-29

720

Passing Analysis

Category:
Athletes Passed
328*
Passed By
299
Net Change
+29
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#6531
1.81M → 5.34M142*117+25#6531#6506
5.34M → 6.15M2533-8#6506#6514
6.15M → 10.54M82*93-11#6514#6525
10.54M → 11.05M324+28#6525#6497
11.05M → Finish47*52-5#6497#6502
TOTALS328*299+29

* 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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