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SF MARATHON 2026

Isabella Ellefsen

Bib: 9301•F•Age: 27

Hayward, 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
25:00
Rank: #7048
Start → 2M
25:00 | 12:30/mi
4M
51:02
Rank: #7066 (-18)
2M → 4M
26:02 | 13:01/mi
6M
1:17:34
Rank: #7017 (+49)
4M → 6M
26:32 | 13:16/mi
8M
1:43:20
Rank: #7039 (-22)
6M → 8M
25:46 | 12:53/mi
9.6M
2:06:38
Rank: #7051 (-12)
8M → 9.6M
23:18 | 14:34/mi
10M
2:10:29
Rank: #7048 (+3)
9.6M → 10M
3:51 | 9:38/mi
10.5M
2:20:28
Rank: #7050 (-2)
10M → 10.5M
9:59 | 19:58/mi
12M
2:41:26
Rank: #7053 (-3)
10.5M → 12M
20:58 | 13:59/mi
14M
3:13:12
Rank: #7039 (+14)
12M → 14M
31:46 | 15:53/mi
16M
3:37:29
Rank: #6988 (+51)
14M → 16M
24:17 | 12:08/mi
18M
4:09:41
Rank: #6985 (+3)
16M → 18M
32:12 | 16:06/mi
20M
4:37:05
Rank: #6928 (+57)
18M → 20M
27:24 | 13:42/mi
22M
5:05:37
Rank: #6919 (+9)
20M → 22M
28:32 | 14:16/mi
24M
5:36:51
Rank: #6912 (+7)
22M → 24M
31:14 | 15:37/mi
Finish· 26.22 mi
6:11:31
Rank: #6896 (+16)
24M → Finish
34:40 | 15:37/mi

The Course

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Half Splits

1st Half· via 14M
Distance14.00 mi
Time3:13:12
Pace13:48 /mi
2nd Half✓ Faster
Distance12.22 mi
Time2:58:19
Pace14:36 /mi
📊Negative Split: 7.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:59:3025:0012:3025:00
12:30
-
4M
4.00 mi06:25:3251:0212:4626:02
13:01
+0:31
6M
6.00 mi06:52:041:17:3412:5626:32
13:16
+0:15
8M
8.00 mi07:17:501:43:2012:5525:46
12:53
-0:23
9.6M
9.60 mi07:41:082:06:3813:1123:18
14:34
+1:41
10M
10.00 mi07:44:592:10:2913:033:51
9:38
-4:56
10.5M
10.50 mi07:54:582:20:2813:239:59
19:58
+10:20
12M
12.00 mi08:15:562:41:2613:2720:58
13:59
-5:59
14M
14.00 mi08:47:423:13:1213:4831:46
15:53
+1:54
16M
16.00 mi09:11:593:37:2913:3624:17
12:08
-3:45
18M
18.00 mi09:44:114:09:4113:5232:12
16:06
+3:58
20M
20.00 mi10:11:354:37:0513:5127:24
13:42
-2:24
22M
22.00 mi10:40:075:05:3713:5328:32
14:16
+0:34
24M
24.00 mi11:11:215:36:5114:0231:14
15:37
+1:21
Finish
26.22 mi11:46:016:11:3114:1134:40
15:37
0:00

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

9:38 /mi

Average Pace

14:11 /mi

Slowest Pace

19:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

53:08

14% of race

Time at Steady Pace

2:58:32

48% of race

Time at Slower Pace

2:19:51

38% of race

Average Pace: 14:10 /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 mi05:59:3025:0012:3025:00
12:30
#7048
4M
4.00 mi06:25:3251:0212:4626:02
13:01
#7066
6M
6.00 mi06:52:041:17:3412:5626:32
13:16
#7017
8M
8.00 mi07:17:501:43:2012:5525:46
12:53
#7039
9.6M
9.60 mi07:41:082:06:3813:1123:18
14:34
#7051
10M
10.00 mi07:44:592:10:2913:033:51
9:38
#7048
10.5M
10.50 mi07:54:582:20:2813:239:59
19:58
#7050
12M
12.00 mi08:15:562:41:2613:2720:58
13:59
#7053
14M
14.00 mi08:47:423:13:1213:4831:46
15:53
#7039
16M
16.00 mi09:11:593:37:2913:3624:17
12:08
#6988
18M
18.00 mi09:44:114:09:4113:5232:12
16:06
#6985
20M
20.00 mi10:11:354:37:0513:5127:24
13:42
#6928
22M
22.00 mi10:40:075:05:3713:5328:32
14:16
#6919
24M
24.00 mi11:11:215:36:5114:0231:14
15:37
#6912
Finish
26.22 mi11:46:016:11:3114:1134:40
15:37
#6896
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 95%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

13:50

Segment Time

15:22/mi

Pace

0.90 mi

Distance

Overall

6806

Women

1938

Division

583

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2.00 mi704820255986943(Top 97%)1986(Top 95%)586(Top 95%)
4M4.00 mi2.00 mi7066-182034-9602-47041(Top 98%)2026(Top 97%)596(Top 97%)
6M6.00 mi2.00 mi7017+492015+19600+26900(Top 96%)1971(Top 94%)590(Top 96%)
8M8.00 mi2.00 mi7039-222017-2601-17059(Top 99%)2023(Top 97%)599(Top 98%)
9.6M9.60 mi1.60 mi7051-122026-9604-36919(Top 97%)1984(Top 95%)584(Top 95%)
10M10.00 mi0.40 mi7048+32024+2603+16897(Top 96%)1957(Top 94%)576(Top 94%)
10.5M10.50 mi0.50 mi7050-22023+1602+16859(Top 96%)1950(Top 93%)576(Top 94%)
12M12.00 mi1.50 mi7053-32025-2601+16943(Top 97%)1986(Top 95%)586(Top 95%)
14M14.00 mi2.00 mi7039+142029-4603-27035(Top 98%)2031(Top 97%)598(Top 97%)
16M16.00 mi2.00 mi6988+512011+18596+76233(Top 87%)1720(Top 82%)523(Top 85%)
18M18.00 mi2.00 mi6985+32006+5598-26809(Top 95%)1959(Top 94%)583(Top 95%)
20M20.00 mi2.00 mi6928+571982+24591+76189(Top 86%)1772(Top 85%)533(Top 87%)
22M22.00 mi2.00 mi6919+91977+5593-26621(Top 92%)1924(Top 92%)575(Top 94%)
24M24.00 mi2.00 mi6912+71976+1590+36503(Top 91%)1881(Top 90%)555(Top 90%)
Finish26.22 mi2.22 mi6896+161971+55906673(Top 93%)1932(Top 93%)577(Top 94%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 97%
×1human
+6ft-11ft

Overall

6943

Females

1986

F25-29

589

2M→4M

2.0 - 4.0 mi

Top 98%
×4stories
+75ft-70ft

Overall

7041

Females

2026

F25-29

601

4M→6M

4.0 - 6.0 mi

Top 96%
×5stories
+71ft-18ft

Overall

6900

Females

1971

F25-29

595

6M→8M

6.0 - 8.0 mi

Top 99%
×9stories
+106ft-21ft

Overall

7059

Females

2023

F25-29

604

8M→9.6M

8.0 - 9.6 mi

Top 97%
×13stories
+117ft-177ft

Overall

6919

Females

1984

F25-29

589

9.6M→10M

9.6 - 10.0 mi

Top 96%
×1story
+17ft-12ft

Overall

6897

Females

1957

F25-29

579

10M→10.5M

10.0 - 10.5 mi

Top 96%
×9stories
+0ft-102ft

Overall

6859

Females

1950

F25-29

580

10.5M→12M

10.5 - 12.0 mi

Top 97%
×18stories
+304ft-125ft

Overall

6943

Females

1986

F25-29

589

12M→14M

12.0 - 14.0 mi

Top 98%
×9stories
+99ft-125ft

Overall

7035

Females

2031

F25-29

601

14M→16M

14.0 - 16.0 mi

Top 87%
×9stories
+124ft-78ft

Overall

6233

Females

1720

F25-29

524

16M→18M

16.0 - 18.0 mi

Top 95%
×8stories
+106ft-45ft

Overall

6809

Females

1959

F25-29

585

18M→20M

18.0 - 20.0 mi

Top 86%
×3stories
+52ft-26ft

Overall

6189

Females

1772

F25-29

533

20M→22M

20.0 - 22.0 mi

Top 92%
×21stories
+17ft-266ft

Overall

6621

Females

1924

F25-29

575

22M→24M

22.0 - 24.0 mi

Top 91%
×3stories
+70ft-85ft

Overall

6503

Females

1881

F25-29

555

24M→Finish

24.0 - 26.2 mi

Top 93%
~flat
+2ft-2ft

Overall

6673

Females

1932

F25-29

577

Passing Analysis

Category:
Athletes Passed
484*
Passed By
332
Net Change
+152
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#7048
2M → 4M56*74-18#7048#7066
4M → 6M82*33+49#7066#7017
6M → 8M24*46-22#7017#7039
8M → 9.6M28*40-12#7039#7051
9.6M → 10M85+3#7051#7048
10M → 10.5M19*21-2#7048#7050
10.5M → 12M22*25-3#7050#7053
12M → 14M43*29+14#7053#7039
14M → 16M54*3+51#7039#6988
16M → 18M24*21+3#6988#6985
18M → 20M59*2+57#6985#6928
20M → 22M22*13+9#6928#6919
22M → 24M20*13+7#6919#6912
24M → Finish23*7+16#6912#6896
TOTALS484*332+152

* 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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