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SF MARATHON 2026

Jinfeng Chen

Bib: 5826•F•Age: 36

Millbrae, 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
20:10
Rank: #4335
Start → 2M
20:10 | 10:05/mi
4M
40:31
Rank: #4284 (+51)
2M → 4M
20:21 | 10:11/mi
6M
1:00:48
Rank: #4122 (+162)
4M → 6M
20:17 | 10:08/mi
8M
1:20:45
Rank: #4114 (+8)
6M → 8M
19:57 | 9:58/mi
9.6M
1:38:23
Rank: #4148 (-34)
8M → 9.6M
17:38 | 11:01/mi
10M
1:41:15
Rank: #4156 (-8)
9.6M → 10M
2:52 | 7:10/mi
10.5M
1:48:26
Rank: #4159 (-3)
10M → 10.5M
7:11 | 14:22/mi
12M
2:04:33
Rank: #4267 (-108)
10.5M → 12M
16:07 | 10:45/mi
14M
2:27:42
Rank: #4324 (-57)
12M → 14M
23:09 | 11:34/mi
16M
2:50:24
Rank: #4592 (-268)
14M → 16M
22:42 | 11:21/mi
18M
3:13:06
Rank: #4462 (+130)
16M → 18M
22:42 | 11:21/mi
20M
3:38:38
Rank: #4566 (-104)
18M → 20M
25:32 | 12:46/mi
22M
4:05:36
Rank: #4856 (-290)
20M → 22M
26:58 | 13:29/mi
24M
4:35:08
Rank: #5060 (-204)
22M → 24M
29:32 | 14:46/mi
Finish· 26.22 mi
5:05:32
Rank: #5194 (-134)
24M → Finish
30:24 | 13:42/mi

The Course

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Half Splits

1st Half· via 14MFaster
Distance14.00 mi
Time2:27:42
Pace10:33 /mi
2nd Half
Distance12.22 mi
Time2:37:50
Pace12:55 /mi
📊Positive Split: 6.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:39:5020:1010:0520:10
10:05
-
4M
4.00 mi06:00:1140:3110:0820:21
10:11
+0:06
6M
6.00 mi06:20:281:00:4810:0820:17
10:08
-0:03
8M
8.00 mi06:40:251:20:4510:0619:57
9:58
-0:10
9.6M
9.60 mi06:58:031:38:2310:1517:38
11:01
+1:03
10M
10.00 mi07:00:551:41:1510:082:52
7:10
-3:51
10.5M
10.50 mi07:08:061:48:2610:207:11
14:22
+7:12
12M
12.00 mi07:24:132:04:3310:2316:07
10:45
-3:37
14M
14.00 mi07:47:222:27:4210:3323:09
11:34
+0:49
16M
16.00 mi08:10:042:50:2410:3922:42
11:21
-0:13
18M
18.00 mi08:32:463:13:0610:4422:42
11:21
0:00
20M
20.00 mi08:58:183:38:3810:5625:32
12:46
+1:25
22M
22.00 mi09:25:164:05:3611:1026:58
13:29
+0:43
24M
24.00 mi09:54:484:35:0811:2829:32
14:46
+1:17
Finish
26.22 mi10:25:125:05:3211:4030:24
13:42
-1:04

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

7:10 /mi

Average Pace

11:40 /mi

Slowest Pace

14:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:37

27% of race

Time at Steady Pace

1:42:18

33% of race

Time at Slower Pace

1:59:37

39% of race

Average Pace: 11:39 /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 mi05:39:5020:1010:0520:10
10:05
#4335
4M
4.00 mi06:00:1140:3110:0820:21
10:11
#4284
6M
6.00 mi06:20:281:00:4810:0820:17
10:08
#4122
8M
8.00 mi06:40:251:20:4510:0619:57
9:58
#4114
9.6M
9.60 mi06:58:031:38:2310:1517:38
11:01
#4148
10M
10.00 mi07:00:551:41:1510:082:52
7:10
#4156
10.5M
10.50 mi07:08:061:48:2610:207:11
14:22
#4159
12M
12.00 mi07:24:132:04:3310:2316:07
10:45
#4267
14M
14.00 mi07:47:222:27:4210:3323:09
11:34
#4324
16M
16.00 mi08:10:042:50:2410:3922:42
11:21
#4592
18M
18.00 mi08:32:463:13:0610:4422:42
11:21
#4462
20M
20.00 mi08:58:183:38:3810:5625:32
12:46
#4566
22M
22.00 mi09:25:164:05:3611:1026:58
13:29
#4856
24M
24.00 mi09:54:484:35:0811:2829:32
14:46
#5060
Finish
26.22 mi10:25:125:05:3211:4030:24
13:42
#5194
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 62%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:03

Segment Time

11:10/mi

Pace

0.90 mi

Distance

Overall

4428

Women

1010

Division

124

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
2M2.00 mi2.00 mi43359431084899(Top 68%)1185(Top 57%)145(Top 54%)
4M4.00 mi2.00 mi4284+51911+321084302(Top 60%)924(Top 44%)107(Top 40%)
6M6.00 mi2.00 mi4122+162864+47100+84039(Top 56%)836(Top 40%)93(Top 34%)
8M8.00 mi2.00 mi4114+8860+4101-14155(Top 58%)882(Top 42%)96(Top 36%)
9.6M9.60 mi1.60 mi4148-34885-25102-14462(Top 62%)1022(Top 49%)123(Top 46%)
10M10.00 mi0.40 mi4156-8888-31024394(Top 61%)985(Top 47%)120(Top 44%)
10.5M10.50 mi0.50 mi4159-3892-4103-14611(Top 64%)1091(Top 52%)129(Top 48%)
12M12.00 mi1.50 mi4267-108933-41107-44899(Top 68%)1185(Top 57%)145(Top 54%)
14M14.00 mi2.00 mi4324-57956-23113-64661(Top 65%)1107(Top 53%)137(Top 51%)
16M16.00 mi2.00 mi4592-2681067-111129-165792(Top 81%)1561(Top 75%)191(Top 71%)
18M18.00 mi2.00 mi4462+1301026+41126+33810(Top 53%)895(Top 43%)102(Top 38%)
20M20.00 mi2.00 mi4566-1041077-51135-95522(Top 77%)1538(Top 74%)190(Top 70%)
22M22.00 mi2.00 mi4856-2901198-121148-136299(Top 88%)1817(Top 87%)222(Top 82%)
24M24.00 mi2.00 mi5060-2041286-88156-86089(Top 85%)1758(Top 84%)215(Top 80%)
Finish26.22 mi2.22 mi5194-1341342-56163-75864(Top 82%)1688(Top 81%)206(Top 76%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 68%
×1human
+6ft-11ft

Overall

4899

Females

1185

F35-39

147

2M→4M

2.0 - 4.0 mi

Top 60%
×4stories
+75ft-70ft

Overall

4302

Females

924

F35-39

108

4M→6M

4.0 - 6.0 mi

Top 56%
×5stories
+71ft-18ft

Overall

4039

Females

836

F35-39

94

6M→8M

6.0 - 8.0 mi

Top 58%
×9stories
+106ft-21ft

Overall

4155

Females

882

F35-39

98

8M→9.6M

8.0 - 9.6 mi

Top 62%
×13stories
+117ft-177ft

Overall

4462

Females

1022

F35-39

125

9.6M→10M

9.6 - 10.0 mi

Top 61%
×1story
+17ft-12ft

Overall

4394

Females

985

F35-39

122

10M→10.5M

10.0 - 10.5 mi

Top 64%
×9stories
+0ft-102ft

Overall

4611

Females

1091

F35-39

131

10.5M→12M

10.5 - 12.0 mi

Top 68%
×18stories
+304ft-125ft

Overall

4899

Females

1185

F35-39

147

12M→14M

12.0 - 14.0 mi

Top 65%
×9stories
+99ft-125ft

Overall

4661

Females

1107

F35-39

138

14M→16M

14.0 - 16.0 mi

Top 81%
×9stories
+124ft-78ft

Overall

5792

Females

1561

F35-39

192

16M→18M

16.0 - 18.0 mi

Top 53%
×8stories
+106ft-45ft

Overall

3810

Females

895

F35-39

103

18M→20M

18.0 - 20.0 mi

Top 77%
×3stories
+52ft-26ft

Overall

5522

Females

1538

F35-39

191

20M→22M

20.0 - 22.0 mi

Top 88%
×21stories
+17ft-266ft

Overall

6299

Females

1817

F35-39

223

22M→24M

22.0 - 24.0 mi

Top 85%
×3stories
+70ft-85ft

Overall

6089

Females

1758

F35-39

216

24M→Finish

24.0 - 26.2 mi

Top 82%
~flat
+2ft-2ft

Overall

5864

Females

1688

F35-39

206

Passing Analysis

Category:
Athletes Passed
951*
Passed By
1810
Net Change
-859
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4335
2M → 4M173*122+51#4335#4284
4M → 6M19634+162#4284#4122
6M → 8M79*71+8#4122#4114
8M → 9.6M88*122-34#4114#4148
9.6M → 10M1220-8#4148#4156
10M → 10.5M4245-3#4156#4159
10.5M → 12M40148-108#4159#4267
12M → 14M54*111-57#4267#4324
14M → 16M22*290-268#4324#4592
16M → 18M16636+130#4592#4462
18M → 20M31*135-104#4462#4566
20M → 22M11*301-290#4566#4856
22M → 24M15*219-204#4856#5060
24M → Finish22*156-134#5060#5194
TOTALS951*1810-859

* 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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