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SF MARATHON 2ND HALF 2026

Sarah Heartfield

Bib: 24893•F•Age: 37

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Gender (Female)
#0 / 1760
Division (F35-39)
#0 / 222
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
9–292 ft
≈
×24story building
•▲ 548 ft climb · ▼ 587 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
10:40/mi
21:20
↑ 138↓ 680.7%
4M
10:19/mi
41:58
↑ 1631.4%
6M
14:21/mi
1:10:41
↑ 55↓ 830.3%
8M
8:59/mi
1:28:39
↑ 65↓ 1510.8%
10M
12:28/mi
1:53:34
↑ 61↓ 1741.1%
12M
13:25/mi
2:20:25
↑ 41↓ 530.1%
Finish· 13.11 mi
13:16/mi
2:35:08
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:10:41
Pace11:47 /mi
2nd Half
Distance7.11 mi
Time1:24:27
Pace11:53 /mi
📊Positive Split: 19.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:07:4121:2010:4021:20
10:40
-
4M
4.00 mi09:28:1941:5810:3020:38
10:19
-0:21
6M
6.00 mi09:57:021:10:4111:4728:43
14:21
+4:02
8M
8.00 mi10:15:001:28:3911:0517:58
8:59
-5:22
10M
10.00 mi10:39:551:53:3411:2124:55
12:28
+3:29
12M
12.00 mi11:06:462:20:2511:4226:51
13:25
+0:57
Finish
13.11 mi11:21:292:35:0811:5014:43
13:16
-0:09

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

8:59 /mi

Average Pace

11:50 /mi

Slowest Pace

14:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

59:56

39% of race

Time at Steady Pace

39:38

26% of race

Time at Slower Pace

55:34

36% of race

Average Pace: 11:50 /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...
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 mi09:07:4121:2010:4021:20
10:40
#2571
4M
4.00 mi09:28:1941:5810:3020:38
10:19
#2548
6M
6.00 mi09:57:021:10:4111:4728:43
14:21
#2770
8M
8.00 mi10:15:001:28:3911:0517:58
8:59
#2810
10M
10.00 mi10:39:551:53:3411:2124:55
12:28
#2848
12M
12.00 mi11:06:462:20:2511:4226:51
13:25
#2909
Finish
13.11 mi11:21:292:35:0811:5014:43
13:16
#2929
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
2M2.00 mi2.00 mi25719891273028(Top 79%)1290(Top 73%)157(Top 71%)
4M4.00 mi2.00 mi2548+23980+9123+42560(Top 67%)995(Top 57%)123(Top 55%)
6M6.00 mi2.00 mi2770-2221105-125140-173061(Top 80%)1274(Top 72%)151(Top 68%)
8M8.00 mi2.00 mi2810-401134-29147-72934(Top 76%)1212(Top 69%)150(Top 68%)
10M10.00 mi2.00 mi2848-381156-22148-12951(Top 77%)1223(Top 69%)151(Top 68%)
12M12.00 mi2.00 mi2909-611201-45149-13028(Top 79%)1290(Top 73%)157(Top 71%)
Finish13.11 mi1.11 mi2929-201217-16150-13126(Top 81%)1354(Top 77%)169(Top 76%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 79%
×9story building
+138ft-68ft

Overall

3028

Females

1290

F35-39

157

2M→4M

2.0 - 4.0 mi

Top 67%
×13story building
+163ft-19ft

Overall

2560

Females

995

F35-39

124

4M→6M

4.0 - 6.0 mi

Top 80%
×4story building
+55ft-83ft

Overall

3061

Females

1274

F35-39

152

6M→8M

6.0 - 8.0 mi

Top 76%
×10story building
+65ft-151ft

Overall

2934

Females

1212

F35-39

151

8M→10M

8.0 - 10.0 mi

Top 77%
×10story building
+61ft-174ft

Overall

2951

Females

1223

F35-39

151

10M→12M

10.0 - 12.0 mi

Top 79%
×3story building
+41ft-53ft

Overall

3028

Females

1290

F35-39

157

12M→Finish

12.0 - 13.1 mi

Top 81%
×1human
+6ft-6ft

Overall

3126

Females

1354

F35-39

169

Passing Analysis

Category:
Athletes Passed
192*
Passed By
550
Net Change
-358
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2571
2M → 4M12097+23#2571#2548
4M → 6M9231-222#2548#2770
6M → 8M2161-40#2770#2810
8M → 10M12*50-38#2810#2848
10M → 12M1778-61#2848#2909
12M → Finish13*33-20#2909#2929
TOTALS192*550-358

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

📊

Passing Visuals

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