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SF MARATHON 1ST HALF 2025

Coty Chen

San Francisco, CA

Bib: 15510 F 24

0:00
0:00
/ mi
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Overall
#0 / 7100
Gender (Female)
#0 / 3107
Top 39%
F20-29
#0 / 410
Top 48%
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
10:14/mi
18:31
→ flat
12 ft elev
5.34M
10:00/mi
53:50
↑ 80↓ 74
19 ft elev
6.15M
10:29/mi
1:02:19
↑ 1262.8%
149 ft elev
10.54M
10:41/mi
1:49:14
↑ 230↓ 3610.6%
20 ft elev
11.05M
14:07/mi
1:56:26
↑ 1726.4%
213 ft elev
Finish· 13.11 mi
10:45/mi
2:18:35
↑ 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
1:02:1910:08 /mi⚡ faster
2nd Half
1:16:1610:58 /mi+22.4%
Positive split — 22.4% 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
18:3110:141.81 mi18:31
10:14
-
5.34M
53:5010:053.53 mi35:19
10:00
-0:14
6.15M
1:02:1910:080.81 mi8:29
10:29
+0:29
10.54M
1:49:1410:224.39 mi46:55
10:41
+0:12
11.05M
1:56:2610:320.51 mi7:12
14:07
+3:26
Finish(13.11 mi)
2:18:3510:342.06 mi22:09
10:45
-3:22
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:00 /mi

Average Pace

10:34 /mi

Slowest Pace

14:07 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:11:23

95% of race

Time at Slower Pace

7:12

5% of race

Average Pace: 10:34 /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 mi4368157324843681573248
5.34M3.53 mi3684+6841226+347191+5734541115178
6.15M0.81 mi3614+701194+32190+133471072185
10.54M4.39 mi3686-721242-48199-938441324210
11.05M0.51 mi3650+361223+19198+132871092184
Finish(13.11 mi)2.06 mi3583+671204+19196+235161250208

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 62%
~flat
+4ft-3ft

Overall

4368

Females

1573

F20-24

249

1.81M→5.34M

1.8 - 5.3 mi

Top 49%
×4story building
+80ft-74ft

Overall

3454

Females

1115

F20-24

179

5.34M→6.15M

5.3 - 6.2 mi

Top 47%
×10story building
+126ft-4ft

Overall

3347

Females

1072

F20-24

186

6.15M→10.54M

6.2 - 10.5 mi

Top 54%
×21story building
+230ft-361ft

Overall

3844

Females

1324

F20-24

211

10.54M→11.05M

10.5 - 11.1 mi

Top 46%
×14story building
+172ft-0ft

Overall

3287

Females

1092

F20-24

185

11.05M→Finish

11.1 - 13.1 mi

Top 50%
×7story building
+97ft-114ft

Overall

3516

Females

1250

F20-24

208

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.81M-#4368
1.81M → 5.34M
33717*+684
#4368 → #3684
5.34M → 6.15M
35105+70
#3684 → #3614
6.15M → 10.54M
211139*-72
#3614 → #3686
10.54M → 11.05M
3470+36
#3686 → #3650
11.05M → Finish
41108*+67
#3650 → #3583
TOTALS
3541139*+785
#4368 → #3583

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

Passing Visualized

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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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