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SF MARATHON 1ST HALF 2026

Jillian Surdilla

Irvine, CA

Bib: 16007 F 23

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
F20-29
#0 / 353
Race Day Weather
59°/49°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
2M
10:21/mi
20:43
→ flat
12 ft elev
4M
10:52/mi
42:27
↑ 67↓ 69
10 ft elev
6M
10:52/mi
1:04:12
↑ 1231.1%
126 ft elev
8M
12:43/mi
1:29:38
↑ 166↓ 531.1%
246 ft elev
9.6M
9:04/mi
1:44:08
↑ 68↓ 1931.5%
126 ft elev
10M
22:44/mi
1:53:13
↓ 241.1%
90 ft elev
10.5M
5:48/mi
1:56:07
↓ 732.7%
18 ft elev
12M
15:51/mi
2:19:54
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
11:20/mi
2:32:28
↑ 14↓ 891.3%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:04:1210:42 /mi⚡ faster
2nd Half
1:28:1612:25 /mi+37.5%
Positive split — 37.5% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:10:0420:4310:2120:43
10:21
-
4M
4.00 mi07:31:4842:2710:3721:44
10:52
+0:31
6M
6.00 mi07:53:331:04:1210:4221:45
10:52
0:00
8M
8.00 mi08:18:591:29:3811:1225:26
12:43
+1:51
9.6M
9.60 mi08:33:291:44:0810:5114:30
9:04
-3:39
10M
10.00 mi08:42:341:53:1311:199:05
22:44
+13:40
10.5M
10.50 mi08:45:281:56:0711:042:54
5:48
-16:56
12M
12.00 mi09:09:152:19:5411:4023:47
15:51
+10:03
Finish
13.11 mi09:21:492:32:2811:3812:34
11:20
-4:31

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

5:48 /mi

Average Pace

11:38 /mi

Slowest Pace

22:44 /mi

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Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

2:54

2% of race

Time at Steady Pace

1:56:42

77% of race

Time at Slower Pace

32:52

22% of race

Average Pace: 11:38 /mi

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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.

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0mi3.3mi6.6mi9.8mi13.1mi
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 mi07:10:0420:4310:2120:43
10:21
#3677
4M
4.00 mi07:31:4842:2710:3721:44
10:52
#3851
6M
6.00 mi07:53:331:04:1210:4221:45
10:52
#3785
8M
8.00 mi08:18:591:29:3811:1225:26
12:43
#4223
9.6M
9.60 mi08:33:291:44:0810:5114:30
9:04
#3933
10M
10.00 mi08:42:341:53:1311:199:05
22:44
#4018
10.5M
10.50 mi08:45:281:56:0711:042:54
5:48
#4034
12M
12.00 mi09:09:152:19:5411:4023:47
15:51
#4068
Finish
13.11 mi09:21:492:32:2811:3812:34
11:20
#4069
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 73%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:59

Segment Time

13:19/mi

Pace

0.90 mi

Distance

Overall

4825

Women

1925

Division

256

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
2M2.00 mi2.00 mi3677125717241431579214
4M4.00 mi2.00 mi3851-1741329-72180-840431425191
6M6.00 mi2.00 mi3785+661305+24176+437421287175
8M8.00 mi2.00 mi4223-4381495-190197-2151982027259
9.6M9.60 mi1.60 mi3933+2901375+120179+1828341035139
10M10.00 mi0.40 mi4018-851432-57190-1148571957259
10.5M10.50 mi0.50 mi4034-161438-619050052014264
12M12.00 mi1.50 mi4068-341473-35195-541431579214
Finish13.11 mi1.11 mi4069-11482-9203-843691712220

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 63%
~flat
+5ft-3ft

Overall

4143

Females

1579

F20-24

214

2M→4M

2.0 - 4.0 mi

Top 61%
×4story building
+67ft-69ft

Overall

4043

Females

1425

F20-24

192

4M→6M

4.0 - 6.0 mi

Top 57%
×9story building
+123ft-9ft

Overall

3742

Females

1287

F20-24

176

6M→8M

6.0 - 8.0 mi

Top 79%
×12story building
+166ft-53ft

Overall

5198

Females

2027

F20-24

259

8M→9.6M

8.0 - 9.6 mi

Top 43%
×13story building
+68ft-193ft

Overall

2834

Females

1035

F20-24

139

9.6M→10M

9.6 - 10.0 mi

Top 74%
×2story building
+0ft-24ft

Overall

4857

Females

1957

F20-24

259

10M→10.5M

10.0 - 10.5 mi

Top 76%
×6story building
+1ft-73ft

Overall

5005

Females

2014

F20-24

264

10.5M→12M

10.5 - 12.0 mi

Top 63%
×21story building
+280ft-26ft

Overall

4143

Females

1579

F20-24

214

12M→Finish

12.0 - 13.1 mi

Top 66%
×7story building
+14ft-89ft

Overall

4369

Females

1712

F20-24

220

Passing Analysis

Category:
Athletes Passed
784*
Passed By
1176
Net Change
-392
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3677
2M → 4M109283-174#3677#3851
4M → 6M155*89+66#3851#3785
6M → 8M28*466-438#3785#4223
8M → 9.6M32535+290#4223#3933
9.6M → 10M21106-85#3933#4018
10M → 10.5M420-16#4018#4034
10.5M → 12M88*122-34#4034#4068
12M → Finish54*55-1#4068#4069
TOTALS784*1176-392

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events