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SF MARATHON 1ST HALF 2025

Chris Kien

orange, CA

Bib: 15018 M 42

0:00
0:00
/ mi
Masters
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Overall
#0 / 7100
Gender (Male)
#0 / 3977
Masters (Masters Men)
#0 / 1096
Division (M40-44)
#0 / 336
Race Day Weather
56°/46°F
light rain

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.81M
10:50/mi
19:36
→ flat
5.34M
12:08/mi
1:02:26
↑ 80↓ 74
6.15M
13:10/mi
1:13:06
↑ 126
10.54M
13:45/mi
2:13:28
↑ 230↓ 361
11.05M
17:33/mi
2:22:25
↑ 172
Finish· 13.11 mi
14:52/mi
2:53:02
↑ 97↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
1:13:0611:53 /mi⚡ faster
2nd Half
1:39:5614:22 /mi+36.7%
Positive split — 36.7% 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
19:3610:501.81 mi19:36
10:50
-
5.34M
1:02:2611:413.53 mi42:50
12:08
+1:18
6.15M
1:13:0611:530.81 mi10:40
13:10
+1:02
10.54M
2:13:2812:404.39 mi1:00:22
13:45
+0:35
11.05M
2:22:2512:530.51 mi8:57
17:33
+3:48
Finish(13.11 mi)
2:53:0213:122.06 mi30:37
14:52
-2:41
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:50 /mi

Average Pace

13:12 /mi

Slowest Pace

17:33 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:02:26

36% of race

Time at Steady Pace

1:11:02

41% of race

Time at Slower Pace

39:34

23% of race

Average Pace: 13:12 /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. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
1.81M1.81 mi5453330828354533308283
5.34M3.53 mi5979-5263533-225299-1661633613306
6.15M0.81 mi6025-463549-16297+261413604303
10.54M4.39 mi6301-2763658-109308-1165393731313
11.05M0.51 mi6283+183648+10307+155173283279
Finish(13.11 mi)2.06 mi6353-703675-27311-465653701322

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 77%
~flat
+4ft-3ft

Overall

5453

Males

3308

M40-44

283

1.81M→5.34M

1.8 - 5.3 mi

Top 87%
×4story building
+80ft-74ft

Overall

6163

Males

3613

M40-44

306

5.34M→6.15M

5.3 - 6.2 mi

Top 86%
×10story building
+126ft-4ft

Overall

6141

Males

3604

M40-44

303

6.15M→10.54M

6.2 - 10.5 mi

Top 92%
×21story building
+230ft-361ft

Overall

6539

Males

3731

M40-44

313

10.54M→11.05M

10.5 - 11.1 mi

Top 78%
×14story building
+172ft-0ft

Overall

5517

Males

3283

M40-44

279

11.05M→Finish

11.1 - 13.1 mi

Top 92%
×7story building
+97ft-114ft

Overall

6565

Males

3701

M40-44

322

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.81M-#5453
1.81M → 5.34M
60882*-526
#5453 → #5979
5.34M → 6.15M
7731-46
#5979 → #6025
6.15M → 10.54M
31741*-276
#6025 → #6301
10.54M → 11.05M
1533+18
#6301 → #6283
11.05M → Finish
10333*-70
#6283 → #6353
TOTALS
1120220*-900
#5453 → #6353

* 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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