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SF MARATHON 2026

Jenna Chai

Bib: 7608•F•Age: 26

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 7166
Gender (Female)
#0 / 2086
Division (F25-29)
#0 / 614
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
22:33
Rank: #6218
Start → 2M
22:33 | 11:16/mi
4M
45:56
Rank: #6253 (-35)
2M → 4M
23:23 | 11:42/mi
6M
1:09:44
Rank: #6221 (+32)
4M → 6M
23:48 | 11:54/mi
8M
1:32:05
Rank: #6180 (+41)
6M → 8M
22:21 | 11:10/mi
9.6M
1:52:23
Rank: #6152 (+28)
8M → 9.6M
20:18 | 12:41/mi
10M
1:55:50
Rank: #6162 (-10)
9.6M → 10M
3:27 | 8:38/mi
10.5M
2:04:27
Rank: #6173 (-11)
10M → 10.5M
8:37 | 17:14/mi
12M
2:21:05
Rank: #6074 (+99)
10.5M → 12M
16:38 | 11:05/mi
14M
2:46:46
Rank: #6027 (+47)
12M → 14M
25:41 | 12:50/mi
16M
3:06:29
Rank: #5834 (+193)
14M → 16M
19:43 | 9:51/mi
18M
3:34:42
Rank: #5897 (-63)
16M → 18M
28:13 | 14:07/mi
20M
4:00:34
Rank: #5882 (+15)
18M → 20M
25:52 | 12:56/mi
22M
4:26:13
Rank: #5895 (-13)
20M → 22M
25:39 | 12:49/mi
24M
4:52:30
Rank: #5806 (+89)
22M → 24M
26:17 | 13:09/mi
Finish· 26.22 mi
5:20:48
Rank: #5754 (+52)
24M → Finish
28:18 | 12:45/mi

The Course

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Half Splits

1st Half· via 14M
Distance14.00 mi
Time2:46:46
Pace11:55 /mi
2nd Half✓ Faster
Distance12.22 mi
Time2:34:02
Pace12:36 /mi
📊Negative Split: 7.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:02:0322:3311:1622:33
11:16
-
4M
4.00 mi06:25:2645:5611:2923:23
11:42
+0:26
6M
6.00 mi06:49:141:09:4411:3723:48
11:54
+0:12
8M
8.00 mi07:11:351:32:0511:3122:21
11:10
-0:44
9.6M
9.60 mi07:31:531:52:2311:4220:18
12:41
+1:31
10M
10.00 mi07:35:201:55:5011:353:27
8:38
-4:03
10.5M
10.50 mi07:43:572:04:2711:518:37
17:14
+8:36
12M
12.00 mi08:00:352:21:0511:4516:38
11:05
-6:09
14M
14.00 mi08:26:162:46:4611:5525:41
12:50
+1:45
16M
16.00 mi08:45:593:06:2911:3919:43
9:51
-2:59
18M
18.00 mi09:14:123:34:4211:5628:13
14:07
+4:16
20M
20.00 mi09:40:044:00:3412:0225:52
12:56
-1:11
22M
22.00 mi10:05:434:26:1312:0625:39
12:49
-0:07
24M
24.00 mi10:32:004:52:3012:1126:17
13:09
+0:20
Finish
26.22 mi11:00:185:20:4812:1528:18
12:45
-0:24

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

8:38 /mi

Average Pace

12:15 /mi

Slowest Pace

17:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:05

34% of race

Time at Steady Pace

2:55:53

55% of race

Time at Slower Pace

36:50

11% of race

Average Pace: 12:14 /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 mi06:02:0322:3311:1622:33
11:16
#6218
4M
4.00 mi06:25:2645:5611:2923:23
11:42
#6253
6M
6.00 mi06:49:141:09:4411:3723:48
11:54
#6221
8M
8.00 mi07:11:351:32:0511:3122:21
11:10
#6180
9.6M
9.60 mi07:31:531:52:2311:4220:18
12:41
#6152
10M
10.00 mi07:35:201:55:5011:353:27
8:38
#6162
10.5M
10.50 mi07:43:572:04:2711:518:37
17:14
#6173
12M
12.00 mi08:00:352:21:0511:4516:38
11:05
#6074
14M
14.00 mi08:26:162:46:4611:5525:41
12:50
#6027
16M
16.00 mi08:45:593:06:2911:3919:43
9:51
#5834
18M
18.00 mi09:14:123:34:4211:5628:13
14:07
#5897
20M
20.00 mi09:40:044:00:3412:0225:52
12:56
#5882
22M
22.00 mi10:05:434:26:1312:0625:39
12:49
#5895
24M
24.00 mi10:32:004:52:3012:1126:17
13:09
#5806
Finish
26.22 mi11:00:185:20:4812:1528:18
12:45
#5754
Faster pace
Steady pace
Slower pace
Garmin Challenge
Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 88%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:04

Segment Time

13:25/mi

Pace

0.90 mi

Distance

Overall

6304

Women

1737

Division

532

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2.00 mi621816694955268(Top 74%)1326(Top 64%)416(Top 68%)
4M4.00 mi2.00 mi6253-351689-20499-46330(Top 88%)1727(Top 83%)511(Top 83%)
6M6.00 mi2.00 mi6221+321669+20497+26240(Top 87%)1673(Top 80%)495(Top 81%)
8M8.00 mi2.00 mi6180+411650+19492+55975(Top 83%)1549(Top 74%)471(Top 77%)
9.6M9.60 mi1.60 mi6152+281642+8491+16119(Top 85%)1653(Top 79%)501(Top 82%)
10M10.00 mi0.40 mi6162-101646-4494-36391(Top 89%)1752(Top 84%)529(Top 86%)
10.5M10.50 mi0.50 mi6173-111660-14495-16344(Top 89%)1760(Top 84%)524(Top 85%)
12M12.00 mi1.50 mi6074+991606+54486+95268(Top 74%)1326(Top 64%)416(Top 68%)
14M14.00 mi2.00 mi6027+471599+7485+15852(Top 82%)1547(Top 74%)469(Top 76%)
16M16.00 mi2.00 mi5834+1931527+72470+154509(Top 63%)1081(Top 52%)332(Top 54%)
18M18.00 mi2.00 mi5897-631557-30472-26048(Top 84%)1698(Top 81%)512(Top 83%)
20M20.00 mi2.00 mi5882+151559-2477-55656(Top 79%)1577(Top 76%)470(Top 77%)
22M22.00 mi2.00 mi5895-131581-22482-55901(Top 82%)1699(Top 81%)513(Top 84%)
24M24.00 mi2.00 mi5806+891551+30471+114904(Top 68%)1379(Top 66%)422(Top 69%)
Finish26.22 mi2.22 mi5754+521532+19467+45171(Top 72%)1448(Top 69%)440(Top 72%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 74%
×1human
+6ft-11ft

Overall

5268

Females

1326

F25-29

419

2M→4M

2.0 - 4.0 mi

Top 88%
×4stories
+75ft-70ft

Overall

6330

Females

1727

F25-29

515

4M→6M

4.0 - 6.0 mi

Top 87%
×5stories
+71ft-18ft

Overall

6240

Females

1673

F25-29

499

6M→8M

6.0 - 8.0 mi

Top 83%
×9stories
+106ft-21ft

Overall

5975

Females

1549

F25-29

474

8M→9.6M

8.0 - 9.6 mi

Top 85%
×13stories
+117ft-177ft

Overall

6119

Females

1653

F25-29

504

9.6M→10M

9.6 - 10.0 mi

Top 89%
×1story
+17ft-12ft

Overall

6391

Females

1752

F25-29

531

10M→10.5M

10.0 - 10.5 mi

Top 89%
×9stories
+0ft-102ft

Overall

6344

Females

1760

F25-29

527

10.5M→12M

10.5 - 12.0 mi

Top 74%
×18stories
+304ft-125ft

Overall

5268

Females

1326

F25-29

419

12M→14M

12.0 - 14.0 mi

Top 82%
×9stories
+99ft-125ft

Overall

5852

Females

1547

F25-29

470

14M→16M

14.0 - 16.0 mi

Top 63%
×9stories
+124ft-78ft

Overall

4509

Females

1081

F25-29

333

16M→18M

16.0 - 18.0 mi

Top 84%
×8stories
+106ft-45ft

Overall

6048

Females

1698

F25-29

514

18M→20M

18.0 - 20.0 mi

Top 79%
×3stories
+52ft-26ft

Overall

5656

Females

1577

F25-29

470

20M→22M

20.0 - 22.0 mi

Top 82%
×21stories
+17ft-266ft

Overall

5901

Females

1699

F25-29

513

22M→24M

22.0 - 24.0 mi

Top 68%
×3stories
+70ft-85ft

Overall

4904

Females

1379

F25-29

422

24M→Finish

24.0 - 26.2 mi

Top 72%
~flat
+2ft-2ft

Overall

5171

Females

1448

F25-29

440

Passing Analysis

Category:
Athletes Passed
1209*
Passed By
745
Net Change
+464
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#6218
2M → 4M108*143-35#6218#6253
4M → 6M133*101+32#6253#6221
6M → 8M76*35+41#6221#6180
8M → 9.6M90*62+28#6180#6152
9.6M → 10M1626-10#6152#6162
10M → 10.5M4859-11#6162#6173
10.5M → 12M11920+99#6173#6074
12M → 14M85*38+47#6074#6027
14M → 16M205*12+193#6027#5834
16M → 18M54*117-63#5834#5897
18M → 20M59*44+15#5897#5882
20M → 22M46*59-13#5882#5895
22M → 24M100*11+89#5895#5806
24M → Finish70*18+52#5806#5754
TOTALS1209*745+464

* 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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