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SF MARATHON 2ND HALF 2026

Jason Xin

Bib: 24635•M•Age: 25

Palo Alto, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Top 44%
Gender (Male)
#0 / 2065
Division (M25-29)
#0 / 503
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
19:06
Rank: #1644
Start → 2M
9:33/mi
19:06 split
4M
38:25
Rank: #1892 (-248)
2M → 4M
9:40/mi
19:19 split
6M
1:00:09
Rank: #1591 (+301)
4M → 6M
10:52/mi
21:44 split
8M
1:14:48
Rank: #1598 (-7)
6M → 8M
7:19/mi
14:39 split
10M
1:35:47
Rank: #1670 (-72)
8M → 10M
10:30/mi
20:59 split
12M
1:58:16
Rank: #1720 (-50)
10M → 12M
11:14/mi
22:29 split
Finish· 13.11 mi
2:09:21
Rank: #1696 (+24)
12M → Finish
10:00/mi
11:05 split

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:00:09
Pace10:02 /mi
2nd Half
Distance7.11 mi
Time1:09:12
Pace9:44 /mi
📊Positive Split: 15.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:03:1419:069:3319:06
9:33
-
4M
4.00 mi09:22:3338:259:3619:19
9:40
+0:07
6M
6.00 mi09:44:171:00:0910:0221:44
10:52
+1:12
8M
8.00 mi09:58:561:14:489:2114:39
7:19
-3:33
10M
10.00 mi10:19:551:35:479:3520:59
10:30
+3:11
12M
12.00 mi10:42:241:58:169:5122:29
11:14
+0:44
Finish
13.11 mi10:53:292:09:219:5211:05
10:00
-1:14

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:19 /mi

Average Pace

9:52 /mi

Slowest Pace

11:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

14:39

11% of race

Time at Steady Pace

1:10:29

54% of race

Time at Slower Pace

44:13

34% of race

Average Pace: 9:52 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2M
2.00 mi09:03:1419:069:3319:06
9:33
#1644
4M
4.00 mi09:22:3338:259:3619:19
9:40
#1892
6M
6.00 mi09:44:171:00:0910:0221:44
10:52
#1591
8M
8.00 mi09:58:561:14:489:2114:39
7:19
#1598
10M
10.00 mi10:19:551:35:479:3520:59
10:30
#1670
12M
12.00 mi10:42:241:58:169:5122:29
11:14
#1720
Finish
13.11 mi10:53:292:09:219:5211:05
10:00
#1696
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi164411252852045(Top 53%)1277(Top 62%)327(Top 65%)
4M4.00 mi2.00 mi1892-2481242-117311-262116(Top 55%)1348(Top 65%)342(Top 68%)
6M6.00 mi2.00 mi1591+3011089+153281+301119(Top 29%)799(Top 39%)213(Top 42%)
8M8.00 mi2.00 mi1598-71087+2289-81654(Top 43%)1104(Top 53%)289(Top 57%)
10M10.00 mi2.00 mi1670-721127-40292-31909(Top 50%)1242(Top 60%)316(Top 63%)
12M12.00 mi2.00 mi1720-501138-11297-52045(Top 53%)1277(Top 62%)327(Top 65%)
Finish13.11 mi1.11 mi1696+241124+14293+41563(Top 41%)1020(Top 49%)266(Top 53%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 53%
×9story building
+138ft-68ft

Overall

2045

Males

1277

M25-29

327

2M→4M

2.0 - 4.0 mi

Top 55%
×13story building
+163ft-19ft

Overall

2116

Males

1348

M25-29

342

4M→6M

4.0 - 6.0 mi

Top 29%
×4story building
+55ft-83ft

Overall

1119

Males

799

M25-29

213

6M→8M

6.0 - 8.0 mi

Top 43%
×10story building
+65ft-151ft

Overall

1654

Males

1104

M25-29

289

8M→10M

8.0 - 10.0 mi

Top 50%
×10story building
+61ft-174ft

Overall

1909

Males

1242

M25-29

316

10M→12M

10.0 - 12.0 mi

Top 53%
×3story building
+41ft-53ft

Overall

2045

Males

1277

M25-29

327

12M→Finish

12.0 - 13.1 mi

Top 41%
×1human
+6ft-6ft

Overall

1563

Males

1020

M25-29

266

Passing Analysis

Category:
Athletes Passed
429*
Passed By
481
Net Change
-52
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1644
2M → 4M26274-248#1644#1892
4M → 6M3032+301#1892#1591
6M → 8M3239-7#1591#1598
8M → 10M14*86-72#1598#1670
10M → 12M2171-50#1670#1720
12M → Finish33*9+24#1720#1696
TOTALS429*481-52

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

📊

Passing Visuals

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