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SF MARATHON 2026

Whitney Sienko

Bib: 10135•F•Age: 41

Los Angeles, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 7166
Gender (Female)
#0 / 2086
Masters (Masters Women)
#0 / 458
Division (F40-44)
#0 / 157
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
23:14
Rank: #6557
Start → 2M
23:14 | 11:37/mi
4M
46:30
Rank: #6375 (+182)
2M → 4M
23:16 | 11:38/mi
6M
1:10:43
Rank: #6383 (-8)
4M → 6M
24:13 | 12:06/mi
8M
1:33:46
Rank: #6371 (+12)
6M → 8M
23:03 | 11:31/mi
9.6M
1:53:47
Rank: #6290 (+81)
8M → 9.6M
20:01 | 12:31/mi
10M
1:57:03
Rank: #6280 (+10)
9.6M → 10M
3:16 | 8:11/mi
10.5M
2:04:20
Rank: #6160 (+120)
10M → 10.5M
7:17 | 14:34/mi
12M
2:23:38
Rank: #6255 (-95)
10.5M → 12M
19:18 | 12:52/mi
14M
2:49:05
Rank: #6170 (+85)
12M → 14M
25:27 | 12:43/mi
16M
3:14:04
Rank: #6262 (-92)
14M → 16M
24:59 | 12:29/mi
18M
3:39:02
Rank: #6118 (+144)
16M → 18M
24:58 | 12:29/mi
20M
4:05:15
Rank: #6097 (+21)
18M → 20M
26:13 | 13:06/mi
22M
4:28:38
Rank: #5998 (+99)
20M → 22M
23:23 | 11:41/mi
24M
4:57:19
Rank: #5990 (+8)
22M → 24M
28:41 | 14:21/mi
Finish· 26.22 mi
5:28:02
Rank: #5987 (+3)
24M → Finish
30:43 | 13:51/mi

The Course

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Half Splits

1st Half· via 14M
Distance14.00 mi
Time2:49:05
Pace12:05 /mi
2nd Half✓ Faster
Distance12.22 mi
Time2:38:57
Pace13:01 /mi
📊Negative Split: 6.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:00:2623:1411:3723:14
11:37
-
4M
4.00 mi06:23:4246:3011:3823:16
11:38
+0:01
6M
6.00 mi06:47:551:10:4311:4724:13
12:06
+0:28
8M
8.00 mi07:10:581:33:4611:4323:03
11:31
-0:35
9.6M
9.60 mi07:30:591:53:4711:5120:01
12:31
+1:00
10M
10.00 mi07:34:151:57:0311:423:16
8:11
-4:20
10.5M
10.50 mi07:41:322:04:2011:507:17
14:34
+6:23
12M
12.00 mi08:00:502:23:3811:5819:18
12:52
-1:42
14M
14.00 mi08:26:172:49:0512:0525:27
12:43
-0:09
16M
16.00 mi08:51:163:14:0412:0824:59
12:29
-0:14
18M
18.00 mi09:16:143:39:0212:1024:58
12:29
0:00
20M
20.00 mi09:42:274:05:1512:1626:13
13:06
+0:37
22M
22.00 mi10:05:504:28:3812:1323:23
11:41
-1:25
24M
24.00 mi10:34:314:57:1912:2328:41
14:21
+2:40
Finish
26.22 mi11:05:145:28:0212:3130:43
13:51
-0:30

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

8:11 /mi

Average Pace

12:31 /mi

Slowest Pace

14:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:12

29% of race

Time at Steady Pace

2:45:09

50% of race

Time at Slower Pace

1:06:41

20% of race

Average Pace: 12:31 /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 mi06:00:2623:1411:3723:14
11:37
#6557
4M
4.00 mi06:23:4246:3011:3823:16
11:38
#6375
6M
6.00 mi06:47:551:10:4311:4724:13
12:06
#6383
8M
8.00 mi07:10:581:33:4611:4323:03
11:31
#6371
9.6M
9.60 mi07:30:591:53:4711:5120:01
12:31
#6290
10M
10.00 mi07:34:151:57:0311:423:16
8:11
#6280
10.5M
10.50 mi07:41:322:04:2011:507:17
14:34
#6160
12M
12.00 mi08:00:502:23:3811:5819:18
12:52
#6255
14M
14.00 mi08:26:172:49:0512:0525:27
12:43
#6170
16M
16.00 mi08:51:163:14:0412:0824:59
12:29
#6262
18M
18.00 mi09:16:143:39:0212:1024:58
12:29
#6118
20M
20.00 mi09:42:274:05:1512:1626:13
13:06
#6097
22M
22.00 mi10:05:504:28:3812:1323:23
11:41
#5998
24M
24.00 mi10:34:314:57:1912:2328:41
14:21
#5990
Finish
26.22 mi11:05:145:28:0212:3130:43
13:51
#5987
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 71%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:33

Segment Time

11:44/mi

Pace

0.90 mi

Distance

Overall

5053

Women

1254

Division

98

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
2M2.00 mi2.00 mi655718001386550(Top 91%)1808(Top 87%)137(Top 87%)
4M4.00 mi2.00 mi6375+1821738+62132+66267(Top 87%)1693(Top 81%)128(Top 82%)
6M6.00 mi2.00 mi6383-81743-5133-16410(Top 89%)1752(Top 84%)129(Top 82%)
8M8.00 mi2.00 mi6371+121725+18131+26331(Top 88%)1681(Top 81%)130(Top 83%)
9.6M9.60 mi1.60 mi6290+811703+22129+25995(Top 84%)1604(Top 77%)120(Top 76%)
10M10.00 mi0.40 mi6280+101699+4130-16007(Top 84%)1592(Top 76%)121(Top 77%)
10.5M10.50 mi0.50 mi6160+1201652+47129+14799(Top 67%)1167(Top 56%)82(Top 52%)
12M12.00 mi1.50 mi6255-951684-32128+16550(Top 91%)1808(Top 87%)137(Top 87%)
14M14.00 mi2.00 mi6170+851655+29127+15785(Top 81%)1523(Top 73%)119(Top 76%)
16M16.00 mi2.00 mi6262-921693-38130-36383(Top 89%)1782(Top 85%)132(Top 84%)
18M18.00 mi2.00 mi6118+1441652+41128+24846(Top 68%)1251(Top 60%)91(Top 58%)
20M20.00 mi2.00 mi6097+211638+14126+25767(Top 80%)1625(Top 78%)125(Top 80%)
22M22.00 mi2.00 mi5998+991615+231264968(Top 69%)1377(Top 66%)102(Top 65%)
24M24.00 mi2.00 mi5990+81621-6124+25837(Top 81%)1678(Top 80%)127(Top 81%)
Finish26.22 mi2.22 mi5987+31633-12123+15943(Top 83%)1719(Top 82%)136(Top 87%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 91%
×1human
+6ft-11ft

Overall

6550

Females

1808

F40-44

137

2M→4M

2.0 - 4.0 mi

Top 87%
×4stories
+75ft-70ft

Overall

6267

Females

1693

F40-44

129

4M→6M

4.0 - 6.0 mi

Top 89%
×5stories
+71ft-18ft

Overall

6410

Females

1752

F40-44

130

6M→8M

6.0 - 8.0 mi

Top 88%
×9stories
+106ft-21ft

Overall

6331

Females

1681

F40-44

130

8M→9.6M

8.0 - 9.6 mi

Top 84%
×13stories
+117ft-177ft

Overall

5995

Females

1604

F40-44

120

9.6M→10M

9.6 - 10.0 mi

Top 84%
×1story
+17ft-12ft

Overall

6007

Females

1592

F40-44

121

10M→10.5M

10.0 - 10.5 mi

Top 67%
×9stories
+0ft-102ft

Overall

4799

Females

1167

F40-44

82

10.5M→12M

10.5 - 12.0 mi

Top 91%
×18stories
+304ft-125ft

Overall

6550

Females

1808

F40-44

137

12M→14M

12.0 - 14.0 mi

Top 81%
×9stories
+99ft-125ft

Overall

5785

Females

1523

F40-44

119

14M→16M

14.0 - 16.0 mi

Top 89%
×9stories
+124ft-78ft

Overall

6383

Females

1782

F40-44

133

16M→18M

16.0 - 18.0 mi

Top 68%
×8stories
+106ft-45ft

Overall

4846

Females

1251

F40-44

91

18M→20M

18.0 - 20.0 mi

Top 80%
×3stories
+52ft-26ft

Overall

5767

Females

1625

F40-44

125

20M→22M

20.0 - 22.0 mi

Top 69%
×21stories
+17ft-266ft

Overall

4968

Females

1377

F40-44

102

22M→24M

22.0 - 24.0 mi

Top 81%
×3stories
+70ft-85ft

Overall

5837

Females

1678

F40-44

127

24M→Finish

24.0 - 26.2 mi

Top 83%
~flat
+2ft-2ft

Overall

5943

Females

1719

F40-44

136

Passing Analysis

Category:
Athletes Passed
1234*
Passed By
664
Net Change
+570
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#6557
2M → 4M220*38+182#6557#6375
4M → 6M118*126-8#6375#6383
6M → 8M66*54+12#6383#6371
8M → 9.6M112*31+81#6371#6290
9.6M → 10M133+10#6290#6280
10M → 10.5M1222+120#6280#6160
10.5M → 12M25120-95#6160#6255
12M → 14M105*20+85#6255#6170
14M → 16M35*127-92#6170#6262
16M → 18M157*13+144#6262#6118
18M → 20M55*34+21#6118#6097
20M → 22M102*3+99#6097#5998
22M → 24M54*46+8#5998#5990
24M → Finish50*47+3#5990#5987
TOTALS1234*664+570

* 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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