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SF MARATHON 2026

Isla Burch

Bib: 1947•F•Age: 24

Lafayette, CA

0:00
0:00
/ mi
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Overall
#0 / 7166
Top 16%
Gender (Female)
#0 / 2086
Top 8%
F20-29
#0 / 283
Top 13%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
18:20
Rank: #2664
Start → 2M
18:20 | 9:10/mi
4M
35:52
Rank: #2134 (+530)
2M → 4M
17:32 | 8:46/mi
6M
53:15
Rank: #1943 (+191)
4M → 6M
17:23 | 8:41/mi
8M
1:09:49
Rank: #1731 (+212)
6M → 8M
16:34 | 8:17/mi
9.6M
1:23:19
Rank: #1527 (+204)
8M → 9.6M
13:30 | 8:26/mi
10M
1:26:01
Rank: #1569 (-42)
9.6M → 10M
2:42 | 6:45/mi
10.5M
1:31:45
Rank: #1546 (+23)
10M → 10.5M
5:44 | 11:28/mi
12M
1:43:09
Rank: #1412 (+134)
10.5M → 12M
11:24 | 7:36/mi
14M
2:00:52
Rank: #1333 (+79)
12M → 14M
17:43 | 8:51/mi
16M
2:13:51
Rank: #1154 (+179)
14M → 16M
12:59 | 6:29/mi
18M
2:32:42
Rank: #1162 (-8)
16M → 18M
18:51 | 9:26/mi
20M
2:49:58
Rank: #1111 (+51)
18M → 20M
17:16 | 8:38/mi
22M
3:06:31
Rank: #1104 (+7)
20M → 22M
16:33 | 8:16/mi
24M
3:27:00
Rank: #1138 (-34)
22M → 24M
20:29 | 10:15/mi
Finish· 26.22 mi
3:48:22
Rank: #1170 (-32)
24M → Finish
21:22 | 9:38/mi

The Course

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Half Splits

1st Half· via 14M
Distance14.00 mi
Time2:00:52
Pace8:38 /mi
2nd Half✓ Faster
Distance12.22 mi
Time1:47:30
Pace8:48 /mi
📊Negative Split: 11.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:38:4418:209:1018:20
9:10
-
4M
4.00 mi05:56:1635:528:5817:32
8:46
-0:24
6M
6.00 mi06:13:3953:158:5317:23
8:41
-0:05
8M
8.00 mi06:30:131:09:498:4416:34
8:17
-0:24
9.6M
9.60 mi06:43:431:23:198:4113:30
8:26
+0:09
10M
10.00 mi06:46:251:26:018:362:42
6:45
-1:41
10.5M
10.50 mi06:52:091:31:458:445:44
11:28
+4:43
12M
12.00 mi07:03:331:43:098:3611:24
7:36
-3:52
14M
14.00 mi07:21:162:00:528:3817:43
8:51
+1:15
16M
16.00 mi07:34:152:13:518:2212:59
6:29
-2:22
18M
18.00 mi07:53:062:32:428:2918:51
9:26
+2:57
20M
20.00 mi08:10:222:49:588:3017:16
8:38
-0:48
22M
22.00 mi08:26:553:06:318:2916:33
8:16
-0:22
24M
24.00 mi08:47:243:27:008:3820:29
10:15
+1:59
Finish
26.22 mi09:08:463:48:228:4321:22
9:38
-0:37

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

6:29 /mi

Average Pace

8:43 /mi

Slowest Pace

11:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

27:05

12% of race

Time at Steady Pace

2:14:51

59% of race

Time at Slower Pace

1:06:26

29% of race

Average Pace: 8:43 /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 mi05:38:4418:209:1018:20
9:10
#2664
4M
4.00 mi05:56:1635:528:5817:32
8:46
#2134
6M
6.00 mi06:13:3953:158:5317:23
8:41
#1943
8M
8.00 mi06:30:131:09:498:4416:34
8:17
#1731
9.6M
9.60 mi06:43:431:23:198:4113:30
8:26
#1527
10M
10.00 mi06:46:251:26:018:362:42
6:45
#1569
10.5M
10.50 mi06:52:091:31:458:445:44
11:28
#1546
12M
12.00 mi07:03:331:43:098:3611:24
7:36
#1412
14M
14.00 mi07:21:162:00:528:3817:43
8:51
#1333
16M
16.00 mi07:34:152:13:518:2212:59
6:29
#1154
18M
18.00 mi07:53:062:32:428:2918:51
9:26
#1162
20M
20.00 mi08:10:222:49:588:3017:16
8:38
#1111
22M
22.00 mi08:26:553:06:318:2916:33
8:16
#1104
24M
24.00 mi08:47:243:27:008:3820:29
10:15
#1138
Finish
26.22 mi09:08:463:48:228:4321:22
9:38
#1170
Faster pace
Steady pace
Slower pace
Garmin Challenge
Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 29%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:26

Segment Time

9:22/mi

Pace

0.90 mi

Distance

Overall

2053

Women

303

Division

55

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
2M2.00 mi2.00 mi266445279779(Top 11%)84(Top 4%)19(Top 7%)
4M4.00 mi2.00 mi2134+530318+13456+231782(Top 25%)250(Top 12%)45(Top 16%)
6M6.00 mi2.00 mi1943+191278+4054+21633(Top 23%)228(Top 11%)44(Top 16%)
8M8.00 mi2.00 mi1731+212239+3942+121221(Top 17%)154(Top 7%)28(Top 10%)
9.6M9.60 mi1.60 mi1527+204200+3937+5883(Top 12%)89(Top 4%)18(Top 6%)
10M10.00 mi0.40 mi1569-42205-538-13388(Top 47%)647(Top 31%)117(Top 41%)
10.5M10.50 mi0.50 mi1546+23204+139-11613(Top 23%)207(Top 10%)43(Top 15%)
12M12.00 mi1.50 mi1412+134184+2035+4779(Top 11%)84(Top 4%)19(Top 7%)
14M14.00 mi2.00 mi1333+79163+2131+41026(Top 14%)120(Top 6%)24(Top 8%)
16M16.00 mi2.00 mi1154+179135+2827+4494(Top 7%)47(Top 2%)7(Top 2%)
18M18.00 mi2.00 mi1162-8138-326+11623(Top 23%)257(Top 12%)48(Top 17%)
20M20.00 mi2.00 mi1111+51132+625+1981(Top 14%)136(Top 7%)33(Top 12%)
22M22.00 mi2.00 mi1104+7145-1330-51155(Top 16%)187(Top 9%)39(Top 14%)
24M24.00 mi2.00 mi1138-34154-933-32044(Top 29%)458(Top 22%)84(Top 30%)
Finish26.22 mi2.22 mi1170-32165-1137-41832(Top 26%)384(Top 18%)72(Top 25%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 11%
×1human
+6ft-11ft

Overall

779

Females

84

F20-24

19

2M→4M

2.0 - 4.0 mi

Top 25%
×4stories
+75ft-70ft

Overall

1782

Females

250

F20-24

46

4M→6M

4.0 - 6.0 mi

Top 23%
×5stories
+71ft-18ft

Overall

1633

Females

228

F20-24

45

6M→8M

6.0 - 8.0 mi

Top 17%
×9stories
+106ft-21ft

Overall

1221

Females

154

F20-24

29

8M→9.6M

8.0 - 9.6 mi

Top 12%
×13stories
+117ft-177ft

Overall

883

Females

89

F20-24

18

9.6M→10M

9.6 - 10.0 mi

Top 47%
×1story
+17ft-12ft

Overall

3388

Females

647

F20-24

119

10M→10.5M

10.0 - 10.5 mi

Top 23%
×9stories
+0ft-102ft

Overall

1613

Females

207

F20-24

45

10.5M→12M

10.5 - 12.0 mi

Top 11%
×18stories
+304ft-125ft

Overall

779

Females

84

F20-24

19

12M→14M

12.0 - 14.0 mi

Top 14%
×9stories
+99ft-125ft

Overall

1026

Females

120

F20-24

24

14M→16M

14.0 - 16.0 mi

Top 7%
×9stories
+124ft-78ft

Overall

494

Females

47

F20-24

7

16M→18M

16.0 - 18.0 mi

Top 23%
×8stories
+106ft-45ft

Overall

1623

Females

257

F20-24

50

18M→20M

18.0 - 20.0 mi

Top 14%
×3stories
+52ft-26ft

Overall

981

Females

136

F20-24

33

20M→22M

20.0 - 22.0 mi

Top 16%
×21stories
+17ft-266ft

Overall

1155

Females

187

F20-24

39

22M→24M

22.0 - 24.0 mi

Top 29%
×3stories
+70ft-85ft

Overall

2044

Females

458

F20-24

84

24M→Finish

24.0 - 26.2 mi

Top 26%
~flat
+2ft-2ft

Overall

1832

Females

384

F20-24

72

Passing Analysis

Category:
Athletes Passed
1804*
Passed By
310
Net Change
+1494
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2664
2M → 4M541*11+530#2664#2134
4M → 6M1965+191#2134#1943
6M → 8M212*0+212#1943#1731
8M → 9.6M2062+204#1731#1527
9.6M → 10M547-42#1527#1569
10M → 10.5M4017+23#1569#1546
10.5M → 12M1362+134#1546#1412
12M → 14M82*3+79#1412#1333
14M → 16M182*3+179#1333#1154
16M → 18M5462-8#1154#1162
18M → 20M58*7+51#1162#1111
20M → 22M44*37+7#1111#1104
22M → 24M21*55-34#1104#1138
24M → Finish27*59-32#1138#1170
TOTALS1804*310+1494

* 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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