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SF MARATHON 2026

Peng Xu

Bib: 1145•M•Age: 52

Los Altos, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 7166
Top 10%
Gender (Male)
#0 / 5052
Top 13%
Masters (Masters Men)
#0 / 1321
Top 9%
Division (M50-54)
#0 / 245
Top 11%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
15:42
Rank: #654
Start → 2M
15:42 | 7:51/mi
4M
31:27
Rank: #606 (+48)
2M → 4M
15:45 | 7:53/mi
6M
47:20
Rank: #668 (-62)
4M → 6M
15:53 | 7:56/mi
8M
1:02:52
Rank: #656 (+12)
6M → 8M
15:32 | 7:46/mi
9.6M
1:16:17
Rank: #678 (-22)
8M → 9.6M
13:25 | 8:23/mi
10M
1:18:25
Rank: #672 (+6)
9.6M → 10M
2:08 | 5:20/mi
10.5M
1:23:44
Rank: #673 (-1)
10M → 10.5M
5:19 | 10:38/mi
12M
1:35:37
Rank: #707 (-34)
10.5M → 12M
11:53 | 7:55/mi
14M
1:52:34
Rank: #695 (+12)
12M → 14M
16:57 | 8:28/mi
16M
2:05:40
Rank: #629 (+66)
14M → 16M
13:06 | 6:33/mi
18M
2:24:38
Rank: #702 (-73)
16M → 18M
18:58 | 9:29/mi
20M
2:41:28
Rank: #714 (-12)
18M → 20M
16:50 | 8:25/mi
22M
2:58:08
Rank: #714
20M → 22M
16:40 | 8:20/mi
24M
3:17:14
Rank: #733 (-19)
22M → 24M
19:06 | 9:33/mi
Finish· 26.22 mi
3:37:12
Rank: #741 (-8)
24M → Finish
19:58 | 9:00/mi

The Course

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Half Splits

1st Half· via 14M
Distance14.00 mi
Time1:52:34
Pace8:02 /mi
2nd Half✓ Faster
Distance12.22 mi
Time1:44:38
Pace8:34 /mi
📊Negative Split: 7.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:35:0915:427:5115:42
7:51
-
4M
4.00 mi05:50:5431:277:5215:45
7:53
+0:02
6M
6.00 mi06:06:4747:207:5315:53
7:56
+0:03
8M
8.00 mi06:22:191:02:527:5115:32
7:46
-0:10
9.6M
9.60 mi06:35:441:16:177:5713:25
8:23
+0:37
10M
10.00 mi06:37:521:18:257:512:08
5:20
-3:03
10.5M
10.50 mi06:43:111:23:447:585:19
10:38
+5:18
12M
12.00 mi06:55:041:35:377:5811:53
7:55
-2:43
14M
14.00 mi07:12:011:52:348:0216:57
8:28
+0:33
16M
16.00 mi07:25:072:05:407:5113:06
6:33
-1:55
18M
18.00 mi07:44:052:24:388:0218:58
9:29
+2:56
20M
20.00 mi08:00:552:41:288:0416:50
8:25
-1:04
22M
22.00 mi08:17:352:58:088:0616:40
8:20
-0:05
24M
24.00 mi08:36:413:17:148:1319:06
9:33
+1:13
Finish
26.22 mi08:56:393:37:128:1719:58
9:00
-0:33

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

5:20 /mi

Average Pace

8:17 /mi

Slowest Pace

10:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

15:14

7% of race

Time at Steady Pace

2:18:37

64% of race

Time at Slower Pace

1:03:21

29% of race

Average Pace: 8:17 /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...
0mi6.6mi13.1mi19.7mi26.2mi
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 mi05:35:0915:427:5115:42
7:51
#654
4M
4.00 mi05:50:5431:277:5215:45
7:53
#606
6M
6.00 mi06:06:4747:207:5315:53
7:56
#668
8M
8.00 mi06:22:191:02:527:5115:32
7:46
#656
9.6M
9.60 mi06:35:441:16:177:5713:25
8:23
#678
10M
10.00 mi06:37:521:18:257:512:08
5:20
#672
10.5M
10.50 mi06:43:111:23:447:585:19
10:38
#673
12M
12.00 mi06:55:041:35:377:5811:53
7:55
#707
14M
14.00 mi07:12:011:52:348:0216:57
8:28
#695
16M
16.00 mi07:25:072:05:407:5113:06
6:33
#629
18M
18.00 mi07:44:052:24:388:0218:58
9:29
#702
20M
20.00 mi08:00:552:41:288:0416:50
8:25
#714
22M
22.00 mi08:17:352:58:088:0616:40
8:20
#714
24M
24.00 mi08:36:413:17:148:1319:06
9:33
#733
Finish
26.22 mi08:56:393:37:128:1719:58
9:00
#741
Faster pace
Steady pace
Slower pace
Garmin Challenge
Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 10%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

7:27

Segment Time

8:17/mi

Pace

0.90 mi

Distance

Overall

725

Men

660

Division

29

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
2M2.00 mi2.00 mi654590191152(Top 16%)1011(Top 20%)32(Top 13%)
4M4.00 mi2.00 mi606+48546+4414+5596(Top 8%)537(Top 11%)13(Top 5%)
6M6.00 mi2.00 mi668-62599-5319-5719(Top 10%)646(Top 13%)21(Top 9%)
8M8.00 mi2.00 mi656+12590+918+1670(Top 9%)600(Top 12%)19(Top 8%)
9.6M9.60 mi1.60 mi678-22610-2019-1822(Top 11%)735(Top 15%)25(Top 10%)
10M10.00 mi0.40 mi672+6604+619534(Top 7%)489(Top 10%)13(Top 5%)
10.5M10.50 mi0.50 mi673-1605-119884(Top 12%)786(Top 16%)31(Top 13%)
12M12.00 mi1.50 mi707-34634-29191152(Top 16%)1011(Top 20%)32(Top 13%)
14M14.00 mi2.00 mi695+12623+1118+1677(Top 9%)609(Top 12%)17(Top 7%)
16M16.00 mi2.00 mi629+66565+5818528(Top 7%)476(Top 9%)16(Top 7%)
18M18.00 mi2.00 mi702-73627-6220-21699(Top 24%)1412(Top 28%)54(Top 22%)
20M20.00 mi2.00 mi714-12638-1121-1799(Top 11%)702(Top 14%)26(Top 11%)
22M22.00 mi2.00 mi714637+122-11218(Top 17%)1011(Top 20%)40(Top 16%)
24M24.00 mi2.00 mi733-19650-1326-41271(Top 18%)1017(Top 20%)42(Top 17%)
Finish26.22 mi2.22 mi741-8652-2261118(Top 16%)896(Top 18%)37(Top 15%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 16%
×1human
+6ft-11ft

Overall

1152

Males

1011

M50-54

33

2M→4M

2.0 - 4.0 mi

Top 8%
×4stories
+75ft-70ft

Overall

596

Males

537

M50-54

14

4M→6M

4.0 - 6.0 mi

Top 10%
×5stories
+71ft-18ft

Overall

719

Males

646

M50-54

22

6M→8M

6.0 - 8.0 mi

Top 9%
×9stories
+106ft-21ft

Overall

670

Males

600

M50-54

20

8M→9.6M

8.0 - 9.6 mi

Top 11%
×13stories
+117ft-177ft

Overall

822

Males

735

M50-54

26

9.6M→10M

9.6 - 10.0 mi

Top 7%
×1story
+17ft-12ft

Overall

534

Males

489

M50-54

14

10M→10.5M

10.0 - 10.5 mi

Top 12%
×9stories
+0ft-102ft

Overall

884

Males

786

M50-54

32

10.5M→12M

10.5 - 12.0 mi

Top 16%
×18stories
+304ft-125ft

Overall

1152

Males

1011

M50-54

33

12M→14M

12.0 - 14.0 mi

Top 9%
×9stories
+99ft-125ft

Overall

677

Males

609

M50-54

17

14M→16M

14.0 - 16.0 mi

Top 7%
×9stories
+124ft-78ft

Overall

528

Males

476

M50-54

16

16M→18M

16.0 - 18.0 mi

Top 24%
×8stories
+106ft-45ft

Overall

1699

Males

1412

M50-54

54

18M→20M

18.0 - 20.0 mi

Top 11%
×3stories
+52ft-26ft

Overall

799

Males

702

M50-54

26

20M→22M

20.0 - 22.0 mi

Top 17%
×21stories
+17ft-266ft

Overall

1218

Males

1011

M50-54

40

22M→24M

22.0 - 24.0 mi

Top 18%
×3stories
+70ft-85ft

Overall

1271

Males

1017

M50-54

42

24M→Finish

24.0 - 26.2 mi

Top 16%
~flat
+2ft-2ft

Overall

1118

Males

896

M50-54

37

Passing Analysis

Category:
Athletes Passed
315*
Passed By
402
Net Change
-87
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#654
2M → 4M6214+48#654#606
4M → 6M1375-62#606#668
6M → 8M25*13+12#668#656
8M → 9.6M527-22#656#678
9.6M → 10M60+6#678#672
10M → 10.5M910-1#672#673
10.5M → 12M640-34#673#707
12M → 14M22*10+12#707#695
14M → 16M8014+66#695#629
16M → 18M1285-73#629#702
18M → 20M13*25-12#702#714
20M → 22M28*280#714#714
22M → 24M1332-19#714#733
24M → Finish21*29-8#733#741
TOTALS315*402-87

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

📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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