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SF MARATHON 1ST HALF 2025

Eric Chan

San Jose, CA

Bib: 18399 M 46

0:00
0:00
/ mi
Masters
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Overall
#0 / 7100
Gender (Male)
#0 / 3977
Masters (Masters Men)
#0 / 1096
Division (M45-49)
#0 / 282
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
11:15/mi
20:21
→ flat
12 ft elev
5.34M
11:10/mi
59:45
↑ 80↓ 74
19 ft elev
6.15M
12:16/mi
1:09:41
↑ 1262.8%
149 ft elev
10.54M
12:16/mi
2:03:34
↑ 230↓ 3610.6%
20 ft elev
11.05M
20:15/mi
2:13:54
↑ 1726.4%
213 ft elev
Finish· 13.11 mi
15:12/mi
2:45:11
↑ 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
1:09:4111:20 /mi⚡ faster
2nd Half
1:35:3013:43 /mi+37.0%
Positive split — 37.0% 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
20:2111:151.81 mi20:21
11:15
-
5.34M
59:4511:113.53 mi39:24
11:10
-0:05
6.15M
1:09:4111:200.81 mi9:56
12:16
+1:06
10.54M
2:03:3411:434.39 mi53:53
12:16
0:00
11.05M
2:13:5412:070.51 mi10:20
20:15
+7:59
Finish(13.11 mi)
2:45:1112:362.06 mi31:17
15:12
-5:03
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

11:10 /mi

Average Pace

12:36 /mi

Slowest Pace

20:15 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:03:34

75% of race

Time at Slower Pace

41:37

25% of race

Average Pace: 12:36 /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. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
1.81M1.81 mi6001353724160013537241
5.34M3.53 mi5461+5403305+232216+2552353194207
6.15M0.81 mi5458+33309-4215+154613308208
10.54M4.39 mi5534-763320-11219-456223345221
11.05M0.51 mi5665-1313373-53220-166843799264
Finish(13.11 mi)2.06 mi5966-3013498-125232-1266523747259

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 85%
~flat
+4ft-3ft

Overall

6001

Males

3537

M45-49

242

1.81M→5.34M

1.8 - 5.3 mi

Top 74%
×4story building
+80ft-74ft

Overall

5235

Males

3194

M45-49

208

5.34M→6.15M

5.3 - 6.2 mi

Top 77%
×10story building
+126ft-4ft

Overall

5461

Males

3308

M45-49

209

6.15M→10.54M

6.2 - 10.5 mi

Top 79%
×21story building
+230ft-361ft

Overall

5622

Males

3345

M45-49

221

10.54M→11.05M

10.5 - 11.1 mi

Top 94%
×14story building
+172ft-0ft

Overall

6684

Males

3799

M45-49

264

11.05M→Finish

11.1 - 13.1 mi

Top 94%
×7story building
+97ft-114ft

Overall

6652

Males

3747

M45-49

259

Passing Analysis

Category:
Passed
781*
Passed By
746
Net Change
+35
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#6001
1.81M → 5.34M579*39+540#6001#5461
5.34M → 6.15M5047+3#5461#5458
6.15M → 10.54M135*211-76#5458#5534
10.54M → 11.05M4135-131#5534#5665
11.05M → Finish13*314-301#5665#5966
TOTALS781*746+35

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

Passing Charts

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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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