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SF MARATHON 1ST HALF 2025

Kara Cho

Campbell, CA

Bib: 16442 F 23

0:00
0:00
/ mi
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Overall
#0 / 7100
Top 50%
Gender (Female)
#0 / 3107
Top 38%
F20-29
#0 / 410
Top 47%
Race Day Weather
56°/46°F
light rain

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.81M
9:43/mi
17:36
→ flat
12 ft elev
5.34M
10:16/mi
53:51
↑ 80↓ 74
19 ft elev
6.15M
10:58/mi
1:02:44
↑ 1262.8%
149 ft elev
10.54M
10:20/mi
1:48:07
↑ 230↓ 3610.6%
20 ft elev
11.05M
14:24/mi
1:55:28
↑ 1726.4%
213 ft elev
Finish· 13.11 mi
11:07/mi
2:18:21
↑ 97↓ 1140.2%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
1:02:4410:12 /mi⚡ faster
2nd Half
1:15:3710:52 /mi+20.5%
Positive split — 20.5% slower in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
1.81M
17:369:431.81 mi17:36
9:43
-
5.34M
53:5110:053.53 mi36:15
10:16
+0:33
6.15M
1:02:4410:120.81 mi8:53
10:58
+0:42
10.54M
1:48:0710:154.39 mi45:23
10:20
-0:38
11.05M
1:55:2810:270.51 mi7:21
14:24
+4:04
Finish(13.11 mi)
2:18:2110:332.06 mi22:53
11:07
-3:17
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:43 /mi

Average Pace

10:33 /mi

Slowest Pace

14:24 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

17:36

13% of race

Time at Steady Pace

1:53:24

82% of race

Time at Slower Pace

7:21

5% of race

Average Pace: 10:33 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
1.81M1.81 mi3350106417533501064175
5.34M3.53 mi3691-3411229-165192-1738481303206
6.15M0.81 mi3724-331247-18198-640751421238
10.54M4.39 mi3523+2011162+85189+933741099190
11.05M0.51 mi3499+241154+8191-234901182196
Finish(13.11 mi)2.06 mi3543-441190-36194-339681479241

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 47%
~flat
+4ft-3ft

Overall

3350

Females

1064

F20-24

176

1.81M→5.34M

1.8 - 5.3 mi

Top 54%
×4story building
+80ft-74ft

Overall

3848

Females

1303

F20-24

207

5.34M→6.15M

5.3 - 6.2 mi

Top 57%
×10story building
+126ft-4ft

Overall

4075

Females

1421

F20-24

239

6.15M→10.54M

6.2 - 10.5 mi

Top 48%
×21story building
+230ft-361ft

Overall

3374

Females

1099

F20-24

191

10.54M→11.05M

10.5 - 11.1 mi

Top 49%
×14story building
+172ft-0ft

Overall

3490

Females

1182

F20-24

197

11.05M→Finish

11.1 - 13.1 mi

Top 56%
×7story building
+97ft-114ft

Overall

3968

Females

1479

F20-24

241

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.81M-#3350
1.81M → 5.34M
477136*-341
#3350 → #3691
5.34M → 6.15M
8148-33
#3691 → #3724
6.15M → 10.54M
68269*+201
#3724 → #3523
10.54M → 11.05M
4670+24
#3523 → #3499
11.05M → Finish
10157*-44
#3499 → #3543
TOTALS
773580*-193
#3350 → #3543

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

Passing Visualized

Category:
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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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