Shuyan Dai

Fremont, CA

Bib: 23521 M 26

0:00
0:00
/ mi
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Overall
#0 / 3840
Top 26%
Gender (Male)
#0 / 2065
Top 35%
Division (M25-29)
#0 / 503
Top 38%
Race Day Weather
59°/49°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
48 ft elev
2M
8:47/mi
17:35
138680.7%
122 ft elev
4M
8:24/mi
34:23
1631.4%
280 ft elev
6M
10:40/mi
55:43
55830.3%
247 ft elev
8M
6:41/mi
1:09:06
651510.8%
143 ft elev
10M
9:19/mi
1:27:44
611741.1%
25 ft elev
12M
9:21/mi
1:46:26
41530.1%
12 ft elev
Finish· 13.11 mi
9:12/mi
1:56:38
→ flat
11 ft elev
Course Elevation
9292 ft
×24story building
548 ft climb · 587 ft descent

The Course

Half Splits

1st Half· via 6M
55:439:17 /mi⚡ faster
2nd Half
1:00:558:34 /mi+9.3%
Positive split — 9.3% 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
2M
17:358:472.00 mi17:35
8:47
-
4M
34:238:362.00 mi16:48
8:24
-0:23
6M
55:439:172.00 mi21:20
10:40
+2:16
8M
1:09:068:382.00 mi13:23
6:41
-3:59
10M
1:27:448:462.00 mi18:38
9:19
+2:38
12M
1:46:268:522.00 mi18:42
9:21
+0:02
Finish(13.11 mi)
1:56:388:541.11 mi10:12
9:12
-0:09
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:41 /mi

Average Pace

8:54 /mi

Slowest Pace

10:40 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

30:11

26% of race

Time at Steady Pace

1:05:07

56% of race

Time at Slower Pace

21:20

18% of race

Average Pace: 8:54 /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. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi1027746192950674178
4M2.00 mi1026+1736+10193-11158808211
6M2.00 mi999+27720+16189+4987712190
8M2.00 mi1001-2720193-41017735196
10M2.00 mi1028-27735-15199-61143806225
12M2.00 mi990+38714+21192+7950674178
Finish(13.11 mi)1.11 mi995-5718-4191+11088755197

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 25%
×9story building
+138ft-68ft

Overall

950

Males

674

M25-29

178

2M→4M

2.0 - 4.0 mi

Top 30%
×13story building
+163ft-19ft

Overall

1158

Males

808

M25-29

211

4M→6M

4.0 - 6.0 mi

Top 26%
×4story building
+55ft-83ft

Overall

987

Males

712

M25-29

190

6M→8M

6.0 - 8.0 mi

Top 26%
×10story building
+65ft-151ft

Overall

1017

Males

735

M25-29

196

8M→10M

8.0 - 10.0 mi

Top 30%
×10story building
+61ft-174ft

Overall

1143

Males

806

M25-29

225

10M→12M

10.0 - 12.0 mi

Top 25%
×3story building
+41ft-53ft

Overall

950

Males

674

M25-29

178

12M→Finish

12.0 - 13.1 mi

Top 28%
×1human
+6ft-6ft

Overall

1088

Males

755

M25-29

197

Passing Analysis

Category:
Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#1027
2M4M
6566+1
#1027 #1026
4M6M
2451+27
#1026 #999
6M8M
2220-2
#999 #1001
8M10M
4417*-27
#1001 #1028
10M12M
1351+38
#1028 #990
12MFinish
2015-5
#990 #995
TOTALS
188220*+32
#1027 #995

* 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