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SF MARATHON 2026

Shanshan Tong

Bib: 9515•F•Age: 30

Fremont, CA

0:00
0:00
/ mi
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Overall
#0 / 7166
Gender (Female)
#0 / 2086
Division (F30-34)
#0 / 395
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
23:41
Rank: #6706
Start → 2M
23:41 | 11:50/mi
4M
47:03
Rank: #6502 (+204)
2M → 4M
23:22 | 11:41/mi
6M
1:10:06
Rank: #6282 (+220)
4M → 6M
23:03 | 11:31/mi
8M
1:32:31
Rank: #6218 (+64)
6M → 8M
22:25 | 11:12/mi
9.6M
1:51:08
Rank: #6027 (+191)
8M → 9.6M
18:37 | 11:38/mi
10M
1:54:55
Rank: #6078 (-51)
9.6M → 10M
3:47 | 9:28/mi
10.5M
2:02:30
Rank: #6008 (+70)
10M → 10.5M
7:35 | 15:10/mi
12M
2:18:56
Rank: #5873 (+135)
10.5M → 12M
16:26 | 10:57/mi
14M
2:42:35
Rank: #5713 (+160)
12M → 14M
23:39 | 11:49/mi
16M
3:04:27
Rank: #5708 (+5)
14M → 16M
21:52 | 10:56/mi
18M
3:26:18
Rank: #5413 (+295)
16M → 18M
21:51 | 10:56/mi
20M
3:48:00
Rank: #5210 (+203)
18M → 20M
21:42 | 10:51/mi
22M
4:07:11
Rank: #4955 (+255)
20M → 22M
19:11 | 9:35/mi
24M
4:29:30
Rank: #4771 (+184)
22M → 24M
22:19 | 11:10/mi
Finish· 26.22 mi
4:53:30
Rank: #4633 (+138)
24M → Finish
24:00 | 10:49/mi

The Course

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Half Splits

1st Half· via 14M
Distance14.00 mi
Time2:42:35
Pace11:37 /mi
2nd Half✓ Faster
Distance12.22 mi
Time2:10:55
Pace10:43 /mi
📊Negative Split: 19.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:58:0123:4111:5023:41
11:50
-
4M
4.00 mi06:21:2347:0311:4623:22
11:41
-0:09
6M
6.00 mi06:44:261:10:0611:4123:03
11:31
-0:10
8M
8.00 mi07:06:511:32:3111:3422:25
11:12
-0:19
9.6M
9.60 mi07:25:281:51:0811:3518:37
11:38
+0:26
10M
10.00 mi07:29:151:54:5511:303:47
9:28
-2:10
10.5M
10.50 mi07:36:502:02:3011:407:35
15:10
+5:42
12M
12.00 mi07:53:162:18:5611:3516:26
10:57
-4:13
14M
14.00 mi08:16:552:42:3511:3723:39
11:49
+0:52
16M
16.00 mi08:38:473:04:2711:3221:52
10:56
-0:53
18M
18.00 mi09:00:383:26:1811:2821:51
10:56
0:00
20M
20.00 mi09:22:203:48:0011:2421:42
10:51
-0:05
22M
22.00 mi09:41:314:07:1111:1419:11
9:35
-1:16
24M
24.00 mi10:03:504:29:3011:1422:19
11:10
+1:35
Finish
26.22 mi10:27:504:53:3011:1224:00
10:49
-0:21

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

9:28 /mi

Average Pace

11:12 /mi

Slowest Pace

15:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

22:58

8% of race

Time at Steady Pace

3:35:37

73% of race

Time at Slower Pace

54:55

19% of race

Average Pace: 11:12 /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 mi05:58:0123:4111:5023:41
11:50
#6706
4M
4.00 mi06:21:2347:0311:4623:22
11:41
#6502
6M
6.00 mi06:44:261:10:0611:4123:03
11:31
#6282
8M
8.00 mi07:06:511:32:3111:3422:25
11:12
#6218
9.6M
9.60 mi07:25:281:51:0811:3518:37
11:38
#6027
10M
10.00 mi07:29:151:54:5511:303:47
9:28
#6078
10.5M
10.50 mi07:36:502:02:3011:407:35
15:10
#6008
12M
12.00 mi07:53:162:18:5611:3516:26
10:57
#5873
14M
14.00 mi08:16:552:42:3511:3723:39
11:49
#5713
16M
16.00 mi08:38:473:04:2711:3221:52
10:56
#5708
18M
18.00 mi09:00:383:26:1811:2821:51
10:56
#5413
20M
20.00 mi09:22:203:48:0011:2421:42
10:51
#5210
22M
22.00 mi09:41:314:07:1111:1419:11
9:35
#4955
24M
24.00 mi10:03:504:29:3011:1422:19
11:10
#4771
Finish
26.22 mi10:27:504:53:3011:1224:00
10:49
#4633
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Garmin Challenge
Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 82%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:22

Segment Time

12:38/mi

Pace

0.90 mi

Distance

Overall

5845

Women

1558

Division

295

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi2.00 mi670618733485128(Top 72%)1266(Top 61%)242(Top 61%)
4M4.00 mi2.00 mi6502+2041786+87333+156316(Top 88%)1720(Top 82%)316(Top 80%)
6M6.00 mi2.00 mi6282+2201694+92314+195948(Top 83%)1560(Top 75%)284(Top 72%)
8M8.00 mi2.00 mi6218+641666+28311+36012(Top 84%)1564(Top 75%)296(Top 75%)
9.6M9.60 mi1.60 mi6027+1911599+67300+115154(Top 72%)1273(Top 61%)246(Top 62%)
10M10.00 mi0.40 mi6078-511618-19302-26830(Top 95%)1927(Top 92%)368(Top 93%)
10.5M10.50 mi0.50 mi6008+701594+24298+45261(Top 73%)1338(Top 64%)246(Top 62%)
12M12.00 mi1.50 mi5873+1351538+56289+95128(Top 72%)1266(Top 61%)242(Top 61%)
14M14.00 mi2.00 mi5713+1601485+53275+144903(Top 68%)1195(Top 57%)224(Top 57%)
16M16.00 mi2.00 mi5708+51474+11278-35455(Top 76%)1436(Top 69%)273(Top 69%)
18M18.00 mi2.00 mi5413+2951380+94261+173362(Top 47%)748(Top 36%)128(Top 32%)
20M20.00 mi2.00 mi5210+2031320+60252+93555(Top 50%)843(Top 40%)156(Top 39%)
22M22.00 mi2.00 mi4955+2551239+81236+162665(Top 37%)592(Top 28%)100(Top 25%)
24M24.00 mi2.00 mi4771+1841181+58225+112989(Top 42%)745(Top 36%)126(Top 32%)
Finish26.22 mi2.22 mi4633+1381143+38214+113268(Top 46%)860(Top 41%)148(Top 37%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 72%
×1human
+6ft-11ft

Overall

5128

Females

1266

F30-34

246

2M→4M

2.0 - 4.0 mi

Top 88%
×4stories
+75ft-70ft

Overall

6316

Females

1720

F30-34

323

4M→6M

4.0 - 6.0 mi

Top 83%
×5stories
+71ft-18ft

Overall

5948

Females

1560

F30-34

290

6M→8M

6.0 - 8.0 mi

Top 84%
×9stories
+106ft-21ft

Overall

6012

Females

1564

F30-34

300

8M→9.6M

8.0 - 9.6 mi

Top 72%
×13stories
+117ft-177ft

Overall

5154

Females

1273

F30-34

250

9.6M→10M

9.6 - 10.0 mi

Top 95%
×1story
+17ft-12ft

Overall

6830

Females

1927

F30-34

374

10M→10.5M

10.0 - 10.5 mi

Top 73%
×9stories
+0ft-102ft

Overall

5261

Females

1338

F30-34

252

10.5M→12M

10.5 - 12.0 mi

Top 72%
×18stories
+304ft-125ft

Overall

5128

Females

1266

F30-34

246

12M→14M

12.0 - 14.0 mi

Top 68%
×9stories
+99ft-125ft

Overall

4903

Females

1195

F30-34

227

14M→16M

14.0 - 16.0 mi

Top 76%
×9stories
+124ft-78ft

Overall

5455

Females

1436

F30-34

277

16M→18M

16.0 - 18.0 mi

Top 47%
×8stories
+106ft-45ft

Overall

3362

Females

748

F30-34

131

18M→20M

18.0 - 20.0 mi

Top 50%
×3stories
+52ft-26ft

Overall

3555

Females

843

F30-34

160

20M→22M

20.0 - 22.0 mi

Top 37%
×21stories
+17ft-266ft

Overall

2665

Females

592

F30-34

101

22M→24M

22.0 - 24.0 mi

Top 42%
×3stories
+70ft-85ft

Overall

2989

Females

745

F30-34

128

24M→Finish

24.0 - 26.2 mi

Top 46%
~flat
+2ft-2ft

Overall

3268

Females

860

F30-34

148

Passing Analysis

Category:
Athletes Passed
2360*
Passed By
287
Net Change
+2073
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#6706
2M → 4M233*29+204#6706#6502
4M → 6M242*22+220#6502#6282
6M → 8M95*31+64#6282#6218
8M → 9.6M195*4+191#6218#6027
9.6M → 10M354-51#6027#6078
10M → 10.5M777+70#6078#6008
10.5M → 12M15217+135#6008#5873
12M → 14M176*16+160#5873#5713
14M → 16M95*90+5#5713#5708
16M → 18M296*1+295#5708#5413
18M → 20M205*2+203#5413#5210
20M → 22M256*1+255#5210#4955
22M → 24M189*5+184#4955#4771
24M → Finish146*8+138#4771#4633
TOTALS2360*287+2073

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

📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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