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SF MARATHON 2ND HALF 2026

Jacky So

San Mateo, CA

Bib: 26453 M 33

0:00
0:00
/ mi
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Overall
#0 / 3840
Top 45%
Gender (Male)
#0 / 2065
Division (M30-34)
#0 / 453
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
9:51/mi
19:43
↑ 138↓ 680.7%
122 ft elev
4M
9:01/mi
37:45
↑ 1631.4%
280 ft elev
6M
11:26/mi
1:00:37
↑ 55↓ 830.3%
247 ft elev
8M
6:49/mi
1:14:15
↑ 65↓ 1510.8%
143 ft elev
10M
9:55/mi
1:34:04
↑ 61↓ 1741.1%
25 ft elev
12M
12:25/mi
1:58:54
↑ 41↓ 530.1%
12 ft elev
Finish· 13.11 mi
9:54/mi
2:09:53
→ flat
11 ft elev
Course Elevation
9–292 ft
≈
×24story building
•▲ 548 ft climb · ▼ 587 ft descent

The Course

Half Splits

1st Half· via 6M
1:00:3710:06 /mi⚡ faster
2nd Half
1:09:169:45 /mi+14.3%
Positive split — 14.3% 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
19:439:512.00 mi19:43
9:51
-
4M
37:459:262.00 mi18:02
9:01
-0:50
6M
1:00:3710:062.00 mi22:52
11:26
+2:25
8M
1:14:159:172.00 mi13:38
6:49
-4:37
10M
1:34:049:242.00 mi19:49
9:55
+3:06
12M
1:58:549:552.00 mi24:50
12:25
+2:30
Finish(13.11 mi)
2:09:539:541.11 mi10:59
9:54
-2:31
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:49 /mi

Average Pace

9:54 /mi

Slowest Pace

12:25 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

31:40

24% of race

Time at Steady Pace

50:31

39% of race

Time at Slower Pace

47:42

37% of race

Average Pace: 9:54 /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. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2M2.00 mi1914126129226311540346
4M2.00 mi1765+1491181+80270+2216431106248
6M2.00 mi1660+1051125+56251+1914991026228
8M2.00 mi1544+1161053+72235+161137809181
10M2.00 mi1538+61047+6234+115501042230
12M2.00 mi1760-2221164-117258-2426311540346
Finish(13.11 mi)1.11 mi1722+381140+24256+21516998217

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 69%
×9story building
+138ft-68ft

Overall

2631

Males

1540

M30-34

347

2M→4M

2.0 - 4.0 mi

Top 43%
×13story building
+163ft-19ft

Overall

1643

Males

1106

M30-34

248

4M→6M

4.0 - 6.0 mi

Top 39%
×4story building
+55ft-83ft

Overall

1499

Males

1026

M30-34

228

6M→8M

6.0 - 8.0 mi

Top 30%
×10story building
+65ft-151ft

Overall

1137

Males

809

M30-34

181

8M→10M

8.0 - 10.0 mi

Top 40%
×10story building
+61ft-174ft

Overall

1550

Males

1042

M30-34

230

10M→12M

10.0 - 12.0 mi

Top 69%
×3story building
+41ft-53ft

Overall

2631

Males

1540

M30-34

347

12M→Finish

12.0 - 13.1 mi

Top 39%
×1human
+6ft-6ft

Overall

1516

Males

998

M30-34

217

Passing Analysis

Category:
Passed
493*
Passed By
301
Net Change
+192
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1914
2M → 4M16718+149#1914#1765
4M → 6M12621+105#1765#1660
6M → 8M1193+116#1660#1544
8M → 10M36*30+6#1544#1538
10M → 12M2224-222#1538#1760
12M → Finish43*5+38#1760#1722
TOTALS493*301+192

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

Passing Charts

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