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SF MARATHON 2026

Cheng Peng

Bib: 6688•F•Age: 35

Mountain View, CA

0:00
0:00
/ mi
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Overall
#0 / 7166
Gender (Female)
#0 / 2086
Division (F35-39)
#0 / 270
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
24:03
Rank: #6839
Start → 2M
24:03 | 12:01/mi
4M
47:16
Rank: #6560 (+279)
2M → 4M
23:13 | 11:37/mi
6M
1:10:15
Rank: #6304 (+256)
4M → 6M
22:59 | 11:29/mi
8M
1:31:46
Rank: #6139 (+165)
6M → 8M
21:31 | 10:45/mi
9.6M
1:49:32
Rank: #5842 (+297)
8M → 9.6M
17:46 | 11:06/mi
10M
1:52:34
Rank: #5820 (+22)
9.6M → 10M
3:02 | 7:36/mi
10.5M
1:59:39
Rank: #5719 (+101)
10M → 10.5M
7:05 | 14:10/mi
12M
2:15:06
Rank: #5516 (+203)
10.5M → 12M
15:27 | 10:18/mi
14M
2:37:51
Rank: #5317 (+199)
12M → 14M
22:45 | 11:22/mi
16M
2:55:10
Rank: #4985 (+332)
14M → 16M
17:19 | 8:39/mi
18M
3:20:48
Rank: #5023 (-38)
16M → 18M
25:38 | 12:49/mi
20M
3:44:26
Rank: #4962 (+61)
18M → 20M
23:38 | 11:49/mi
22M
4:07:33
Rank: #4975 (-13)
20M → 22M
23:07 | 11:33/mi
24M
4:32:58
Rank: #4940 (+35)
22M → 24M
25:25 | 12:43/mi
Finish· 26.22 mi
4:57:54
Rank: #4845 (+95)
24M → Finish
24:56 | 11:14/mi

The Course

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Half Splits

1st Half· via 14M
Distance14.00 mi
Time2:37:51
Pace11:16 /mi
2nd Half✓ Faster
Distance12.22 mi
Time2:20:03
Pace11:28 /mi
📊Negative Split: 11.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:58:1224:0312:0124:03
12:01
-
4M
4.00 mi06:21:2547:1611:4923:13
11:37
-0:24
6M
6.00 mi06:44:241:10:1511:4322:59
11:29
-0:08
8M
8.00 mi07:05:551:31:4611:2821:31
10:45
-0:44
9.6M
9.60 mi07:23:411:49:3211:2517:46
11:06
+0:21
10M
10.00 mi07:26:431:52:3411:153:02
7:36
-3:30
10.5M
10.50 mi07:33:481:59:3911:247:05
14:10
+6:34
12M
12.00 mi07:49:152:15:0611:1615:27
10:18
-3:52
14M
14.00 mi08:12:002:37:5111:1622:45
11:22
+1:04
16M
16.00 mi08:29:192:55:1010:5717:19
8:39
-2:43
18M
18.00 mi08:54:573:20:4811:0925:38
12:49
+4:10
20M
20.00 mi09:18:353:44:2611:1323:38
11:49
-1:00
22M
22.00 mi09:41:424:07:3311:1523:07
11:33
-0:16
24M
24.00 mi10:07:074:32:5811:2225:25
12:43
+1:10
Finish
26.22 mi10:32:034:57:5411:2224:56
11:14
-1:29

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

7:36 /mi

Average Pace

11:22 /mi

Slowest Pace

14:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

35:48

12% of race

Time at Steady Pace

3:23:58

68% of race

Time at Slower Pace

58:08

20% of race

Average Pace: 11:22 /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 mi05:58:1224:0312:0124:03
12:01
#6839
4M
4.00 mi06:21:2547:1611:4923:13
11:37
#6560
6M
6.00 mi06:44:241:10:1511:4322:59
11:29
#6304
8M
8.00 mi07:05:551:31:4611:2821:31
10:45
#6139
9.6M
9.60 mi07:23:411:49:3211:2517:46
11:06
#5842
10M
10.00 mi07:26:431:52:3411:153:02
7:36
#5820
10.5M
10.50 mi07:33:481:59:3911:247:05
14:10
#5719
12M
12.00 mi07:49:152:15:0611:1615:27
10:18
#5516
14M
14.00 mi08:12:002:37:5111:1622:45
11:22
#5317
16M
16.00 mi08:29:192:55:1010:5717:19
8:39
#4985
18M
18.00 mi08:54:573:20:4811:0925:38
12:49
#5023
20M
20.00 mi09:18:353:44:2611:1323:38
11:49
#4962
22M
22.00 mi09:41:424:07:3311:1523:07
11:33
#4975
24M
24.00 mi10:07:074:32:5811:2225:25
12:43
#4940
Finish
26.22 mi10:32:034:57:5411:2224:56
11:14
#4845
Faster pace
Steady pace
Slower pace
Garmin Challenge
Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 63%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:07

Segment Time

11:15/mi

Pace

0.90 mi

Distance

Overall

4516

Women

1051

Division

130

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
2M2.00 mi2.00 mi683919352404451(Top 62%)997(Top 48%)122(Top 45%)
4M4.00 mi2.00 mi6560+2791813+122225+156241(Top 87%)1686(Top 81%)211(Top 78%)
6M6.00 mi2.00 mi6304+2561709+104210+155920(Top 83%)1548(Top 74%)181(Top 67%)
8M8.00 mi2.00 mi6139+1651634+75197+135379(Top 75%)1330(Top 64%)168(Top 62%)
9.6M9.60 mi1.60 mi5842+2971519+115183+144559(Top 64%)1058(Top 51%)128(Top 47%)
10M10.00 mi0.40 mi5820+221510+91835148(Top 72%)1270(Top 61%)160(Top 59%)
10.5M10.50 mi0.50 mi5719+1011467+43178+54410(Top 62%)1015(Top 49%)123(Top 46%)
12M12.00 mi1.50 mi5516+2031398+69173+54451(Top 62%)997(Top 48%)122(Top 45%)
14M14.00 mi2.00 mi5317+1991320+78157+164433(Top 62%)1017(Top 49%)124(Top 46%)
16M16.00 mi2.00 mi4985+3321203+117148+93037(Top 42%)644(Top 31%)83(Top 31%)
18M18.00 mi2.00 mi5023-381243-40152-45142(Top 72%)1366(Top 65%)162(Top 60%)
20M20.00 mi2.00 mi4962+611228+151524671(Top 65%)1240(Top 59%)151(Top 56%)
22M22.00 mi2.00 mi4975-131247-191524829(Top 67%)1329(Top 64%)159(Top 59%)
24M24.00 mi2.00 mi4940+351244+3151+14528(Top 63%)1249(Top 60%)152(Top 56%)
Finish26.22 mi2.22 mi4845+951223+21150+13754(Top 52%)1020(Top 49%)123(Top 46%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 62%
×1human
+6ft-11ft

Overall

4451

Females

997

F35-39

124

2M→4M

2.0 - 4.0 mi

Top 87%
×4stories
+75ft-70ft

Overall

6241

Females

1686

F35-39

212

4M→6M

4.0 - 6.0 mi

Top 83%
×5stories
+71ft-18ft

Overall

5920

Females

1548

F35-39

182

6M→8M

6.0 - 8.0 mi

Top 75%
×9stories
+106ft-21ft

Overall

5379

Females

1330

F35-39

170

8M→9.6M

8.0 - 9.6 mi

Top 64%
×13stories
+117ft-177ft

Overall

4559

Females

1058

F35-39

130

9.6M→10M

9.6 - 10.0 mi

Top 72%
×1story
+17ft-12ft

Overall

5148

Females

1270

F35-39

162

10M→10.5M

10.0 - 10.5 mi

Top 62%
×9stories
+0ft-102ft

Overall

4410

Females

1015

F35-39

125

10.5M→12M

10.5 - 12.0 mi

Top 62%
×18stories
+304ft-125ft

Overall

4451

Females

997

F35-39

124

12M→14M

12.0 - 14.0 mi

Top 62%
×9stories
+99ft-125ft

Overall

4433

Females

1017

F35-39

125

14M→16M

14.0 - 16.0 mi

Top 42%
×9stories
+124ft-78ft

Overall

3037

Females

644

F35-39

83

16M→18M

16.0 - 18.0 mi

Top 72%
×8stories
+106ft-45ft

Overall

5142

Females

1366

F35-39

163

18M→20M

18.0 - 20.0 mi

Top 65%
×3stories
+52ft-26ft

Overall

4671

Females

1240

F35-39

152

20M→22M

20.0 - 22.0 mi

Top 67%
×21stories
+17ft-266ft

Overall

4829

Females

1329

F35-39

159

22M→24M

22.0 - 24.0 mi

Top 63%
×3stories
+70ft-85ft

Overall

4528

Females

1249

F35-39

152

24M→Finish

24.0 - 26.2 mi

Top 52%
~flat
+2ft-2ft

Overall

3754

Females

1020

F35-39

123

Passing Analysis

Category:
Athletes Passed
2360*
Passed By
366
Net Change
+1994
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#6839
2M → 4M297*18+279#6839#6560
4M → 6M273*17+256#6560#6304
6M → 8M178*13+165#6304#6139
8M → 9.6M299*2+297#6139#5842
9.6M → 10M264+22#5842#5820
10M → 10.5M1032+101#5820#5719
10.5M → 12M2096+203#5719#5516
12M → 14M207*8+199#5516#5317
14M → 16M333*1+332#5317#4985
16M → 18M84122-38#4985#5023
18M → 20M100*39+61#5023#4962
20M → 22M61*74-13#4962#4975
22M → 24M77*42+35#4975#4940
24M → Finish113*18+95#4940#4845
TOTALS2360*366+1994

* 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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